Required:

• 3+ in Windows desktop application development using Windows App SDK, WinUI (or similar), C#, XAML — and ideally additional experience with native Windows code (C++, Win32/WinRT/COM).
• Deep understanding of Windows application architecture, including interop between managed code (.NET) and native code.
• Proven track record of designing, building, and shipping production-quality desktop applications, with an emphasis on reliability, performance, scalability, and maintainability.
• Strong experience with accessibility APIs on Windows (e.g. Microsoft UI Automation or similar), and a dedication to building accessible and inclusive software.
• Excellent software engineering fundamentals: OOP, design patterns, data structures, algorithms, memory management, multi-threading or asynchronous programming (where relevant).
• Experience leading technical design, mentoring other engineers, conducting code reviews, and making architecture-level decisions.
• Strong communication skills; ability to articulate tradeoffs, collaborate with cross-functional teams, and drive consensus.
• A user-centric mindset: focus on building polished, intuitive, and accessible experiences for end users.

Preferred / Bonus:

• Experience with writing automated tests for UI — unit tests, integration tests, UI automation tests; familiarity with relevant testing frameworks.
• Experience with performance optimization for desktop apps (memory usage, startup time, rendering performance, high-DPI support, responsiveness under load).
• Experience with localization/globalization, right-to-left UI support, internationalization, accessibility for multiple regions.
• Familiarity with telemetry, analytics, crash reporting, logging, and error monitoring in desktop applications.
• Previous experience in shaping CI/CD workflows, release pipelines, and deployment strategies for desktop applications.
• Demonstrated ability to take ownership of feature areas or modules and drive them long-term, including maintenance, refactoring, and technical debt management.

What we offer

• A high-impact role: you will define architecture, shape the future of our Windows product, and directly influence what millions of users see and experience.
• A collaborative, flat-structure engineering culture — you are not just a coder, but a builder and a decision-maker.
• Opportunities to lead — mentor others, steer technical direction, and grow into broader technical leadership (e.g. Tech Lead, Architect).
• Flexibility, autonomy, and responsibility: you define how to solve problems, own features end-to-end, and contribute to long-term product vision.
• A purpose-driven mission: building software that’s reliable, accessible, and user-centered — making a real difference for people.                  

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 
Refer them! 

Speechify is committed to a diverse and inclusive workplace. 
Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

About us 

Microblink is the Identity Intelligence OS that establishes Know Your Actor: control over people and agents, how risk is assessed, and how decisions are made across digital journeys. Built for an adversarial AI era, Microblink replaces static verification with continuous identity control. As the only solution spanning IDs, biometrics, and payment cards, Microblink delivers a real-time command center where signals, policies, and decisioning can be calibrated with granular precision. Companies use Microblink to adapt faster than fraud, optimize outcomes over time, and enforce trust at scale across onboarding, authentication, and every moment in between. In 2025, Microblink processed 2.9 billion identities across 195+ countries/territories. Its proprietary Fraud Lab generates 100,000+ images monthly for training and testing models, achieving 100% deepfake detection in DHS-powered testing.

Interested to learn more? Explore our tech in action. 

Our Web team works on solutions that enable our clients to easily extract data from their customer’s documents, like ID cards, driver’s licenses, passports, travel visas, and credit cards, among others. These solutions are used in over 20 industries, with the reach of more than 100 million end-users. You can try our demo (https://demo.microblink.com/blinkid) on any modern desktop or mobile browser.

Here’s what you’ll do:

• Build highly stable and reliable SDKs used by our clients all over the world
• Collaborate with product owners, QA team, and other engineers (Android engineers, iOS engineers, other Web SDKs engineers, C++ engineers)
• Work closely with product management, application software engineers, and partners to understand requirements, specify interfaces for new software frameworks, and enhance existing frameworks
• Together with other team members, participate in decision-making related to the end-user experience and developer experience. We want it to be as easy for developers to integrate our SDK as it is for the end-user to use the final application.
• Contribute to cross-platform SDK development for Flutter and React Native, bridging our Android and iOS native SDK capabilities to mobile cross-platform environments
• Further automate our release and publishing process
• Mentor other engineers and help cultivate a growing team
• Contribute to establishing good engineering practices in software development and suggest improvements for processes, tools, and projects

You'll be successful in this role if you have

• strong proficiency in TypeScript/JavaScript and web development
• deep understanding of web platform development using TypeScript and JavaScript, with a focus on writing clean, maintainable, and modular code
• Solid knowledge of browser APIs, memory management, concurrency (Web Workers, async/await), and performance optimization in browser environments
• Experience with web architecture and best practices – Strong understanding of web architectural patterns, browser lifecycle management, and the modern web ecosystem
• Familiarity with dependency management and package distribution tools (npm, yarn) and module bundlers (Webpack, Vite, Rollup)
• Experience with designing reusable libraries, APIs, or SDKs – Ability to design stable, well-documented APIs with a strong focus on backward compatibility, developer experience, and ease of integration across different JavaScript environments (vanilla JS, bundlers, frameworks like React/Angular/Vue)

Nice to have: 

• Experience with cross-platform frameworks (React Native and/or Flutter), including building or maintaining plugins/bridges between native Android/iOS and cross-platform layers.
• Experience with WebAssembly (WASM) and C++ interop
• Hands-on experience writing WASM bindings to C++ code, exposing native functionality to JavaScript/TypeScript consumers
• Familiarity with toolchains such as Emscripten, and understanding of the WASM execution model, memory model, and its constraints within the browser sandbox.

Here’s what you’ll gain if you join us:

• Microblink owes its success to its people. That is why we offer equity participation to all of our full-time employees so that we can grow together
• Unlimited PTO, giving you the flexibility to take time off as needed to maintain a healthy work-life balance
• Location-specific benefits tailored to meet diverse personal preferences and country standards
• Flexible work arrangements, allowing you to adjust your schedule—whether working remotely or at our Zagreb or New York office
• Opportunities to learn and develop your skills through internal L&D programs and a supportive working environment

At Microblink, we nurture a culture that recognizes and rewards success, and is not afraid to try, fail and learn from mistakes. Find out what it feels like to work at Microblink

How can you join us?

We are reviewing applications from candidates based in Croatia, Serbia, Romania, and Bulgaria. Candidates must have residency and work authorization in one of these countries. We do not offer visa sponsorship or B2B engagement at the moment.

If this role intrigues you, do not hesitate to hit the apply button and send us your resume. We are excited to meet talented people even if you don’t feel that you match 100% of the requirements.

So don’t let that discourage you - get in touch with us and we promise to get back to you.

About us

Microblink is the Identity Intelligence OS that establishes Know Your Actor: control over people and agents, how risk is assessed, and how decisions are made across digital journeys. Built for an adversarial AI era, Microblink replaces static verification with continuous identity control. As the only solution spanning IDs, biometrics, and payment cards, Microblink delivers a real-time command center where signals, policies, and decisioning can be calibrated with granular precision. Companies use Microblink to adapt faster than fraud, optimize outcomes over time, and enforce trust at scale across onboarding, authentication, and every moment in between. In 2025, Microblink processed 2.9 billion identities across 195+ countries/territories. Its proprietary Fraud Lab generates 100,000+ images monthly for training and testing models, achieving 100% deepfake detection in DHS-powered testing.

Interested to learn more? Explore our tech in action. 

As we continue to scale, we’re looking for a Web SDK Engineer to help us build highly reliable, developer-friendly SDKs used globally.

About the role 

As a Web SDK Engineer, you will play a key role in building and improving our web-based SDKs, focusing on performance, stability, and developer experience. You’ll work in a highly collaborative environment alongside product managers, QA, and cross-platform engineering teams to deliver best-in-class solutions.

What you'll do 

• Build highly stable and reliable Web SDKs used by clients worldwide
• Collaborate with product owners, QA, and engineers across Android, iOS, Web, and C++ teams
• Work closely with product and engineering teams to define requirements and design scalable interfaces
• Contribute to decisions around end-user experience and developer experience, ensuring seamless SDK integration
• Develop and maintain cross-platform SDK capabilities (e.g., React Native, Flutter)
• Improve and automate release and publishing processes
• Mentor engineers and contribute to team growth
• Help define and improve engineering practices, tools, and processes

What we're looking for

• Strong proficiency in TypeScript/JavaScript and modern web development
• Deep understanding of:
  • Browser APIs
  • Memory management
  • Concurrency (Web Workers, async/await)
  • Performance optimization in browser environments
• Experience with web architecture and modern ecosystem tools (npm (bun/pnpm), Vite, Turborepo) 
• Proven experience designing reusable libraries, APIs, or SDKs
• Strong focus on API design, backward compatibility, and developer experience
• Ability to build solutions that work across different environments (vanilla JS, frameworks like Solid.js/React.js/Angular.js/Vue.js)

Nice to have 

• Familiarity with tools like Emscripten and understanding of WASM execution and memory models
• Experience with WebAssembly (WASM) and C++ interoperability
• Experience with cross-platform frameworks (React Native and/or Flutter)
• Experience building bridges/plugins between native (Android/iOS) and cross-platform layers

Here's what you'll gain if you join us

• Microblink owes its success to its people. That is why we offer equity participation to all of our full-time employees so that we can grow together
• Unlimited PTO, giving you the flexibility to take time off as needed to maintain a healthy work-life balance
• Location-specific benefits tailored to meet diverse personal preferences and country standards
• Flexible work arrangements, allowing you to adjust your schedule—whether working remotely or at our Zagreb or New York office
• Opportunities to learn and develop your skills through internal L&D programs and a supportive working environment

How can you join us

We are reviewing applications from candidates based in Croatia, Serbia, Romania, and Bulgaria. Candidates must have residency and work authorization in one of these countries. We do not offer visa sponsorship or B2B engagement at the moment.

At Microblink, we nurture a culture that recognizes and rewards success, and is not afraid to try, fail and learn from mistakes. Find out what it feels like to work at Microblink

If this role intrigues you, do not hesitate to hit the apply button and send us your resume. Get in touch with us and we promise to get back to you.

Required:

• 3+ in Windows desktop application development using Windows App SDK, WinUI (or similar), C#, XAML — and ideally additional experience with native Windows code (C++, Win32/WinRT/COM).
• Deep understanding of Windows application architecture, including interop between managed code (.NET) and native code.
• Proven track record of designing, building, and shipping production-quality desktop applications, with an emphasis on reliability, performance, scalability, and maintainability.
• Strong experience with accessibility APIs on Windows (e.g. Microsoft UI Automation or similar), and a dedication to building accessible and inclusive software.
• Excellent software engineering fundamentals: OOP, design patterns, data structures, algorithms, memory management, multi-threading or asynchronous programming (where relevant).
• Experience leading technical design, mentoring other engineers, conducting code reviews, and making architecture-level decisions.
• Strong communication skills; ability to articulate tradeoffs, collaborate with cross-functional teams, and drive consensus.
• A user-centric mindset: focus on building polished, intuitive, and accessible experiences for end users.

Preferred / Bonus:

• Experience with writing automated tests for UI — unit tests, integration tests, UI automation tests; familiarity with relevant testing frameworks.
• Experience with performance optimization for desktop apps (memory usage, startup time, rendering performance, high-DPI support, responsiveness under load).
• Experience with localization/globalization, right-to-left UI support, internationalization, accessibility for multiple regions.
• Familiarity with telemetry, analytics, crash reporting, logging, and error monitoring in desktop applications.
• Previous experience in shaping CI/CD workflows, release pipelines, and deployment strategies for desktop applications.
• Demonstrated ability to take ownership of feature areas or modules and drive them long-term, including maintenance, refactoring, and technical debt management.

What we offer

• A high-impact role: you will define architecture, shape the future of our Windows product, and directly influence what millions of users see and experience.
• A collaborative, flat-structure engineering culture — you are not just a coder, but a builder and a decision-maker.
• Opportunities to lead — mentor others, steer technical direction, and grow into broader technical leadership (e.g. Tech Lead, Architect).
• Flexibility, autonomy, and responsibility: you define how to solve problems, own features end-to-end, and contribute to long-term product vision.
• A purpose-driven mission: building software that’s reliable, accessible, and user-centered — making a real difference for people.                  

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 
Refer them! 

Speechify is committed to a diverse and inclusive workplace. 
Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its Design award winner for inclusivity for 2025.

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

With the growth of our Android app, being the most used text-to-speech app in the Play Store, we find the need for a Senior Android Engineer to help us support the new user base as well as work on new and exciting projects to push us forward.   

This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, passionate about making product decisions, and has experience building great user experiences that delight users.

We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount. 

Our interview process involves several technical interviews and we aim to complete them within 1 week. 

What You’ll Do

• Owning major features and working closely with our design team - take ownership of features inside the app and become responsible of delivering high quality features
• Shape the future of our Android team
• Own, maintain and improve reliability metrics for key features
• Participate in discussions across different teams - Product, Design, Engineering
• Review pull requests, and support other teammates
• Handle critical issues or cope with unexpected challenges 
• Take ownership of feature releases and provide nightly builds for the QA team

An Ideal Candidate Should Have

• 5+ years of software engineering experience
• Familiarity with Android components
• Experience building or contributing to at least one Android app
• Product design intuition and user empathy
• Drive to push the boundaries of Android UI/UX
• Understanding of the importance of tests and how to approach writing tests
• Self-drive to improve the app and codebase above and beyond what's outlined in the spec
• Rock solid experience with Kotlin, Kotlin Coroutines, Kotlin Flow, Dagger 2, MVVM, Clean Architecture, Background Services, Music Player Service, Android Animations, Jetpack Navigation, JUnit tests
• Excellent communication skills
• User oriented problem solving approach
• Driven with continuous feedback from leaders

Bonus:

• Experience building, maintaining, or otherwise contributing to open source projects in Android
• Experience with iOS, Web or NodeJS

Technologies we use:

• Kotlin
• Kotlin Coroutines
• Kotlin Flow
• Jetpack Navigation
• Dagger 2
• Room
• Custom Views, Canvas & Paint
• Jetpack Compose
• JUnit

What We offer:

• A fast-growing environment where you can help shape the company and product.
• An entrepreneurial-minded team that supports risk, intuition, and hustle.
• A hands-off management approach so you can focus and do your best work.
• An opportunity to make a big impact in a transformative industry.
• Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture.
• Opportunity to work on a life-changing product that millions of people use.
• Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more.
• Work in one of the fastest growing sectors of tech, the intersection of artificial intelligence and audio.

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace. 

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

he Gaming Integrations team is at an inflection point. We operate ~26 provider integrations across three runtimes (Elixir, Node.js, Erlang) and are the critical path for Superbet entering new markets.

This role is a key part of our capacity plan. You'll join a small but high-impact team and immediately contribute to real challenges: rebuilding our game platform into a scalable, multi-studio platform, and accelerating integration delivery so Superbet launches in new countries faster.

What You'll Be Working

• Elixir platform migration: Contributing to the migration of our Node.js/Erlang integrations to the new Elixir-based platform. Feature parity across runtimes is a blocker for many localizations today.
• Game Studio Integrations: Owning the full lifecycle of new provider integrations (launchUrl, authenticate, balance, debit, credit, void) from implementation through production sign-off.
• Platform architecture: Implementing CI/CD pipelines, shared services, and the modular architecture needed to support multiple exclusive gaming studios at scale.
• Operational excellence: Keeping KTLO (keeping the lights on) under 10% of team capacity while maintaining high availability across all 26+ live integrations.

What We Expect

Project Impact

• Consistently high productivity across many concurrent projects, and delivers large scope with quality and mature practices
• Proactively identifies problems and drives resolution, often without guidance
• Leads larger projects or small squads, runs meetings, writes status reports, tracks delivery
• Helps make the people around them move faster by identifying what's slowing the team down
• Demonstrates impact clearly through metrics, not just activity

Engineering Excellence

• Takes end-to-end ownership of product quality: reliability, efficiency, security, and performance
• Drives engineering efficiency improvements across the org (faster onboarding, better tooling, reduced cycle time)
• Becomes the established go-to owner of at least one component or system with expert depth
• Advocates for rapid prototyping and data-driven idea validation
• Develops and tracks metrics that quantify product quality and engineering efficiency

Communication & Collaboration

• Builds working relationships cross-functionally (product, SRE, QA, integration managers, gaming studios)
• Proactively seeks and acts on feedback
• Gives detailed, specific positive and constructive feedback to the Tribe lead and teammates
• Facilitates fast learning cycles and nurtures innovation within the team

Organizational Impact

• Actively mentors less-experienced engineers and creates conditions for them to grow
• Participates in recruiting and interviewing (especially for diversity recruiting)
• Onboards new team members and makes codebases easy to ramp up on
• Invests in their own skills and brings new knowledge back to the team (currently relevant: Elixir, Kafka operations, distributed systems at scale)

What We're Looking For

• MUSTs
  • High agency — proven track record of unblocking themselves and helping drive improvements across a team
  • Experience with microservice and event-based architectures
  • Experience with Kafka (operating Kafka in production is a strong bonus)
• Experience
  • 5+ years building high-quality software with strong engineering practices (code reviews, CI/CD, design docs)
  • Experience building highly-available, highly-scalable, distributed backend systems
  • Worked cross-functionally in product organizations alongside product managers, designers, and stakeholders
• Technical
  • Node.js / TypeScript
  • Kafka
  • Elixir or functional programming experience — strong bonus (our strategic direction)
  • Kubernetes, Docker, AWS
  • Experience in the betting or gaming industry
• Cultural & Behavioral
  • Strong collaborator — not a solo player, not an asshole
  • Product engineer mindset — not purely tech-focused, understands business context
  • Strong sense of ownership and problem-solving instinct
  • Clear, direct communication

Why Join Us

• T-shaped team where engineers contribute across the full stack and influence technical direction
• Fully remote, team distributed across Europe
• Partner directly with exclusive Game Studios building casino content for Superbet
• Lead and mentor in a small team with high visibility and real ownership
• High-revenue, high-stakes domain with real business impact
• Help steer the technical strategy of a growing team

Think of a product. Like lean, mean software. For sports betting. With the best possible real-time solutions. Now think of innovating the testing process. Stopping bugs from reaching production. Paying special attention to how and what is delivered. Directly tailoring the experience for tens of thousands of people daily. Sounds interesting?

What You’ll Be Doing:

• Be responsible for designing, implementing, and managing automated tests across the product suite
• Design and implement comprehensive test automation solutions that encompass web applications, web services (microservices), and native apps. Ensure coverage across various testing types, including UI testing, API testing, and others, to support robust quality assurance practices
• Collaborate with business stakeholders to define acceptance criteria for software projects
• Be jointly responsible for the maintenance and quality of codebases and infrastructure
• Issue Investigation and Reporting
• Quality Control: Ensure we have vital checks on all our products (metrics, health checks) dashboards, ensure critical business scenarios are covered and automate them.
• Making sure tests run in Continuous Integration

We Are Looking for Someone Who:

• Has a minimum of Bachelor’s degree in Computer Science or a related discipline
• Is highly proficient in Functional or Object-oriented programming
• Has strong understanding of QA processes and demonstrated experience in defining and implementing test designs from scratch
• Has extensive experience with test automation tools (Selenium, Cypress, Playwright etc.)
• Has extensive experience writing backend tests (API, unit, database) and testing RESTful services using tools such as Postman or SoapUI
• Has understanding of Non-Functional testing, especially Load and Performance testing
• Prefers a shift-left testing approach

Nice to Have:

• ISTQB certification
• Experience with BDD (Behaviour Driven Development)
• Knowledge of Ruby or JavaScript
• Experience using Xray or similar Test Management tool
• Experience with event-driven architecture (Kafka, AWS, Docker etc.), preferably in a Product environment

• Owning the full development lifecycle – from planning and implementation to release and maintenance
• Building innovative solutions using modern technologies such as TypeScript, Vue, AWS, Docker, k8s, GitHub Actions and more...
• Leveraging best-in-class tools like Notion, Jira Cloud, GitHub, Zoom, Lattice, and Slack to maximize productivity and collaboration
• Collaborating cross-functionally with backend, frontend, design and QA engineers across squads, as well as our product team.
• Working on new product features that should provide a big customer growth by the end of the year
• Contributing to a high-growth environment
• Ensuring reliability, security, and compliance while keeping customer friction to a minimum

• 3+ years of frontend development experience with strong knowledge of JavaScript and TypeScript
• A self-starter mentality – we need autonomous engineers who proactively unblock themselves, collaborate across teams, and take initiative
• Strong attention to detail and a commitment to delivering exceptional products
• Deep understanding of best practices, design patterns, and core principles in software development
• A customer-first mindset – an understanding of how frontend decisions impact millions of users
• Strong problem-solving skills – ability to navigate complex domains and optimize high-traffic, high-availability systems
• Take ownership for technical quality, development process and developer experience
• A team-first mindset, thriving in collaborative environments where success is shared
• Willingness to learn new things. Even though Frontend will be major part of the day-to-day, we seek for an engineer who is open to learn and contribute to occasional BE tasks as well.

• Experience working in high-growth, high-scale environments.
• Experience in Go

🚀 Why this role matters

Happening powers the technology behind Superbet’s platforms and brands, serving millions of customers. Our Game Integrations squad connects third-party providers to our core platform and ensures those experiences are reliable, scalable, and compliant.

We’re growing and scaling fast, and we need a Backend Engineer who can deliver high-quality integrations, shape engineering standards, and help accelerate how quickly new providers go live.

How we work: We’re product-minded squads with strong ownership, candid feedback, and measurable outcomes. We build, run, and continuously improve the tech that powers Superbet’s customer experience.

What you’ll do

• Build integrations end-to-end - design contracts, implement services, write tests, and ship with confidence.

• Own reliability - define SLIs/SLOs, set up observability (metrics, logs, traces), and join on-call.

• Keep systems healthy - tackle production issues, reduce tech debt, and simplify through pragmatic refactors.

• Work across boundaries - collaborate with Product, Compliance, SRE, Data, Security, and external partners to keep delivery smooth.

• Level up the team - mentor more junior teammates through sharp code reviews, pairing, and knowledge sharing.

🛠️ Tech we use

• Node.js + TypeScript (backend services & integrations)

• Kubernetes (K8s) in production, CI/CD pipelines, containerized deployments

• REST APIs with versioning & backward compatibility

• Observability stack → metrics, tracing, logging, dashboards, and alerts

What we’re looking for

• 3+ years building backend systems (ideally integrations) with Node.js + TypeScript

• Event-driven systems (Kafka) and low-latency/high-throughput workloads

• Solid production experience with Kubernetes and CI/CD pipelines

• Strong background in API design (REST) and maintaining compatibility at scale

• Focus on testing & quality (unit, integration, QA collaboration)

• Ability to write clear docs and status updates that keep teammates aligned

Nice to have  

• Experience with Nest.js

• Gaming/fintech/e-commerce integrations (wallets, catalogs, identity, compliance)

• Experience in regulated environments with staged rollouts

🚀 Why this role matters

Happening powers the technology behind Superbet’s platforms and brands, serving millions of customers. Our Game Integrations squad connects third-party providers to our core platform and ensures those experiences are reliable, scalable, and compliant.

We’re growing and scaling fast, and we need a Backend Engineer who can deliver high-quality integrations, shape engineering standards, and help accelerate how quickly new providers go live.

How we work: We’re product-minded squads with strong ownership, candid feedback, and measurable outcomes. We build, run, and continuously improve the tech that powers Superbet’s customer experience.

What you’ll do

• Build integrations end-to-end - design contracts, implement services, write tests, and ship with confidence.

• Own reliability - define SLIs/SLOs, set up observability (metrics, logs, traces), and join on-call.

• Keep systems healthy - tackle production issues, reduce tech debt, and simplify through pragmatic refactors.

• Work across boundaries - collaborate with Product, Compliance, SRE, Data, Security, and external partners to keep delivery smooth.

• Level up the team - mentor more junior teammates through sharp code reviews, pairing, and knowledge sharing.

🛠️ Tech we use

• Node.js + TypeScript (backend services & integrations)

• Kubernetes (K8s) in production, CI/CD pipelines, containerized deployments

• REST APIs with versioning & backward compatibility

• Observability stack → metrics, tracing, logging, dashboards, and alerts

What we’re looking for

• 3+ years building backend systems (ideally integrations) with Node.js + TypeScript

• Event-driven systems (Kafka) and low-latency/high-throughput workloads

• Solid production experience with Kubernetes and CI/CD pipelines

• Strong background in API design (REST) and maintaining compatibility at scale

• Focus on testing & quality (unit, integration, QA collaboration)

• Ability to write clear docs and status updates that keep teammates aligned

Nice to have  

• Experience with Nest.js

• Gaming/fintech/e-commerce integrations (wallets, catalogs, identity, compliance)

• Experience in regulated environments with staged rollouts

About us 

Microblink is the Identity Intelligence OS that establishes Know Your Actor: control over people and agents, how risk is assessed, and how decisions are made across digital journeys. Built for an adversarial AI era, Microblink replaces static verification with continuous identity control. As the only solution spanning IDs, biometrics, and payment cards, Microblink delivers a real-time command center where signals, policies, and decisioning can be calibrated with granular precision. Companies use Microblink to adapt faster than fraud, optimize outcomes over time, and enforce trust at scale across onboarding, authentication, and every moment in between. In 2025, Microblink processed 2.9 billion identities across 195+ countries/territories. Its proprietary Fraud Lab generates 100,000+ images monthly for training and testing models, achieving 100% deepfake detection in DHS-powered testing.

Interested to learn more? Explore our tech in action. 

About the Role
As an Android Engineer, you will play a key role in developing and improving our Android SDKs, focusing on performance, stability, and developer experience. You’ll work in a highly collaborative environment alongside product managers, QA, and cross-platform engineering teams to deliver best-in-class solutions used by millions of end users.

Here’s what you’ll do:

• Build highly stable and reliable Android SDKs used by clients worldwide
• Collaborate with product owners, QA, and engineers across iOS, Web SDK, and C++ teams
• Work closely with product and engineering teams to define requirements, design scalable interfaces, and enhance existing frameworks
• Contribute to decisions around end-user experience and developer experience, ensuring seamless SDK integration
• Improve and automate release processes
• Mentor engineers and contribute to team growth
• Help define and improve engineering practices, tools, and processes

You'll be successful in this role if you:

• Strong proficiency in Kotlin and Java, with a focus on writing efficient, reusable, and maintainable code
• Hands-on experience with modern Android development concepts such as Coroutines, Flows, and Jetpack Compose
• Solid understanding of Android architecture and best practices (MVVM, lifecycle management, Android Jetpack libraries)
• Experience designing SDKs and APIs with a strong focus on stability, backward compatibility, and developer experience

Nice to have:

• Experience with Android NDK and/or C++
• Experience with cross-platform frameworks (React Native and/or Flutter)
• Experience building or maintaining bridges/plugins between native and cross-platform layers

Here’s what you’ll gain if you join us:

• Microblink owes its success to its people. That is why we offer equity participation to all of our full-time employees so that we can grow together
• Unlimited PTO, giving you the flexibility to take time off as needed to maintain a healthy work-life balance
• Location-specific benefits tailored to meet diverse personal preferences and country standards
• Flexible work arrangements, allowing you to adjust your schedule—whether working remotely or at our Zagreb or New York office
• Opportunities to learn and develop your skills through internal L&D programs and a supportive working environment

At Microblink, we nurture a culture that recognizes and rewards success, and is not afraid to try, fail and learn from mistakes. Find out what it feels like to work at Microblink

How can you join us?

If this role intrigues you, do not hesitate to hit the apply button and send us your resume. We are excited to meet talented people even if you don’t feel that you match 100% of the requirements.

So don’t let that discourage you - get in touch with us and we promise to get back to you.

Think of a product. A lean, high-performance software solution for sports betting. Built to deliver the best real-time experience. Now think of ensuring its reliability. Preventing critical bugs from reaching production. Driving automation and continuous testing at scale. Making sure that every release meets the highest quality standards. Sounds like a challenge worth taking?

Join us and play a key role in shaping how we release and test products that serve hundreds of thousands of users daily.

What You'll Be Doing:

• Designing, implementing, and managing automated test solutions across web applications, microservices, and native apps, ensuring comprehensive test coverage, including UI, API, and integration testing.
• Establishing and maintaining test frameworks that integrate seamlessly into the CI/CD pipeline, defining critical business scenarios and automating them for robust quality assurance.
• Owning the release validation process, ensuring every deployment is thoroughly tested, risks are mitigated, and issues are reported promptly.
• Collaborating closely with development teams to analyze issues, improve test coverage, and drive continuous improvement.
• Ensuring automated tests run efficiently in the continuous integration environment, contributing to a fast, stable, and reliable release process.
• Taking ownership of test automation codebases, ensuring high standards, scalability, and maintainability.

What We're Looking For:

• At least five years of experience in testing, with a strong focus on test automation and release processes.
• Strong programming skills in functional or object-oriented languages.
• Deep understanding of testing processes and experience defining test strategies from scratch.
• Hands-on expertise with test automation tools such as Selenium, Cypress, or Playwright.
• Experience working with CI/CD pipelines and integrating automated tests into the deployment process.
• Demonstrated experience in implementing data-driven approaches for test execution monitoring, including setting up observability tools, tracking test behavior over time, and leveraging data insights for decision-making.
• Shift-left testing mindset, emphasizing early defect detection and automation.

Bonus Points For:

• ISTQB certification.
• Experience with BDD (Behavior-Driven Development).
• Knowledge of Ruby or JavaScript.
• Experience in backend testing, including API, unit, and database testing, and in testing RESTful services using tools like Postman or SoapUI.
• Experience with non-functional testing.

If you are a highly skilled QA engineer passionate about automation, release quality, and continuous improvement, this is the opportunity to make a significant impact!