The type of contract is a full-time legal agreement, not a B2B contract.

Duties and Responsibilities:

• Most of your time will be devoted to coding and reviewing the code of your teammates. Unit tests are a must. 
• You will help DevOps prepare products for build and deployment, adding support for necessary product configuration options. 
• Develop integration solutions to join our platform with customers' data. 
• Dig into complex product issues reported by customers. 
• Build APIs in a serverless microservice architecture 

Qualifications and Experience:

• Bachelor’s degree or higher in computer science or related field 
• 6+ years' work experience in frontend or backend development 
• Strong C#, good knowledge of .Net Core and SQL 
• Your code must be readable, testable, and follow best practices like SOLID 
• Customer-centric ideas to shape and improve the product 
• Experience with continuous delivery. 
• Hands-on experience with Azure stack 

Nice to Have but not Obligatory: 

• Microservices, cloud-based, event-driven architecture experience 
• Basic experience in JavaScript/TypeScript and one of the well-known client frameworks: React, VueJS 
• Mobile app development experience 
• Some experience with AI/ML 

The type of contract is a full-time legal agreement in Bulgaria, Serbia, and Turkey, not a B2B contract.

Duties and Responsibilities:

• Design and implement backend services in Rust within a microservices architecture.
• Maintain and evolve existing Python services (FastAPI) where it's the right tool for the job.
• Write maintainable, testable, and performant code; participate in code reviews and raise the engineering bar across the team.
• Work with QA and DevOps to improve reliability, observability, and performance of our services.
• Contribute to architectural decisions: choosing the right language for each problem, inter-service communication patterns, and data modeling.

Qualifications and Experience:

• 5+ years of professional backend development experience.
• Solid production experience with Rust (minimum of 3 years).
• Strong Python: FastAPI or similar modern frameworks, asynchronous programming (asyncio), and type-driven development (mypy, pydantic).
• Deep understanding of microservices and communication patterns: sync/async, event-driven, message brokers (Kafka / RabbitMQ / NATS), gRPC/REST.
• Working-level PostgreSQL: indexes, transactions, isolation levels, locking, query plans.
• SOLID, dependency injection, and clean architecture — applied in practice, not just in theory.
• Working knowledge of k8s, containers, networking, and CI/CD.
• English B2 or higher.

Nice to Have but not Obligatory: 

• Experience migrating Python services to Rust under real load (with measurements and clear motivation).
• Exposure to vector databases (e.g., Qdrant).
• Experience integrating with LLM APIs (OpenAI, Anthropic).
• Familiarity with LangChain / LangGraph and RAG

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.

What is waiting for you?

At Zynga Turkey, we are proud to be the studio behind some of the most popular titles in our Plus portfolio, including 101 Okey Plus, Gin Rummy Plus, Spades Plus, and Backgammon Plus. These games have been enjoyed by tens of millions of players around the world and continue to shape the social gaming experience.

We are now looking for an experienced Senior Mobile Game Engineer to join our team and directly contribute to the continued success and stability of our beloved titles. In this role, you will have the opportunity to shape the vision and roadmap of games enjoyed by millions of players every day, leveraging data, insights, and creativity to drive product strategy and growth. You will collaborate closely with cross-functional teams in design, engineering, and analytics to deliver world-class player experiences, while being part of Zynga’s strong product culture where innovation, collaboration, and a player-first mindset are at the heart of everything we do.

What You'll be doing?

Keeping our tens of millions of happy players in mind;

• Contributing to the development of current and new games using Unity engine
• Participating in project planning and estimation
• Researching, designing and implementing solutions which will enhance services
• Seeking and resolving any performance and scalability challenges
• Work as part of a team with other talented developers, designers and artists on the game team
• The chance to improve yourself inside Zynga engineering culture
   

What you need?

• BS/MS/PhD in Computer Science or any equivalent department
• 3/4+ years of game development experience with at least 2 years in Unity
• Experience in the development of UI, audio, animation systems, shader effects
• Good CPU and GPU optimization skills
• Deep understanding of the mobile platforms and their specific requirements
• Strong knowledge of object-oriented design, coding, and testing patterns
• Eager to search/discuss/share information about new technologies & tools
• Comfortable with speaking/reading English
• Having analytical, practical problem-solving skills
   

What is nice to have?

• Experience in native development for Android or IOS
• Released titles in Unity on a mobile platform is a big plus
• Experience in developing multiplayer games
• One particular area of expertise (Architecture, Computer Graphics, Computer Vision, Network, WebGL, Client Security, …)

About Appier

Appier is a software-as-a-service (SaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information.

About the role

Appier is seeking Software Engineers, QA Automation to ensure continuous delivery of high-quality system. You will work with engineers to design testing plans for various types of systems - large traffic distributed system, machine learning algorithm, big data platform, frontend system, etc. He/ She will master the skills in defining suitable test strategies and test automation for different types of systems.

[The seniority/title is determined by job-related skills, experience, and evaluation after the interview.] 

About you

- 3+ years of experience in QA Engineering with a focus on automation and test strategy.
- Proficiency in scripting languages (e.g., JavaScript, Java, or similar) for writing automated tests.
- Hands-on experience with test automation frameworks (Playwright is a strong plus).
- Strong experience with API testing tools (Postman, RestAssured, or equivalents).
- Exposure to backend service testing (a plus).
- Experience in cross-browser and cross-platform compatibility testing.
- Mobile testing experience on both iOS and Android.
- Familiarity with performance testing concepts and tools (nice to have).
- Deep understanding of SDLC, Agile methodologies, and QA’s role in shaping product quality early in the cycle.
- Strong knowledge of test pyramid principles and best practices for balancing manual vs automated test coverage.
- Practical experience with Jira and TestRail (or similar test management tools).
- Excellent communication and collaboration skills, with the confidence to question and propose improvements.
- Analytical mindset with strong problem-solving abilities.
- Self-discipline and adaptability to succeed in a remote-first environment.
- Ability to decide regression test coverage independently.
- Strong ownership of manual test efforts, complemented with automation where it adds most value.
- A questioning mindset that ensures no assumption goes untested.
- Availability in a timezone similar to European time.


#LI-Fully Remote

Why we're hiring:

At WPP, technology is at the heart of everything we do, and it is the Technology Operations teams mission, as part of Enterprise Technology, to enable our stakeholders to collaborate, create and thrive. Enterprise Technology is undergoing a significant transformation to modernise ways of working, shift to cloud and micro-service-based architectures, drive automation, digitise colleague and client experiences and deliver insight from WPP’s petabytes of data.

As we continue on this transformation journey….  This role will carry out the effective and efficient everyday technology operations for WPP ET.  A trusted pair of hands to deal with level 1 and 2 issues as they present to the IT Service Desk and a trusted resource for Infrastructure and Management personnel to assist with project work when needed. The role will report into the Enterprise Technology Operations Lead and work closely with other teams within Enterprise Technology.

What you'll be doing:

• Deliver world class, on-site support services to WPP employees, agencies, and visiting clients, operating within predefined structure, methodologies, and standards set by WPP ET
• This is a 100% onsite role
• Provide on-site support to the WPP agencies 
• Provide onsite support for additional locations which may require travel (where applicable)

• Provide remote support, as needed, to WPP agencies across the wider region
• Ensure IT deskside operations and all standard technology services, including meeting room AV, are delivered and supported as needed

• Develop excellent relationships with the business user base
  • Lead a customer-centred culture, championing activities to empower end users to get maximum utilization out of their technology tools
  • Educate the business on how to use the Enterprise Technology service and maximise benefits
  • Log all IT engagements into a ticketing system to ensure IT demand and performance data can be reported upon
• Onboarding and offboarding of new and departing employees, including user account administration and asset management
• Level 1 and 2 incident and problem management, including diagnosis, liaison with appropriate internal and external resources to drive resolution, and ticket management throughout the resolution process
• Ensure security procedures are followed, and 3^rd parties are monitored during service engagements
• Escalation of issues to Infrastructure and/or Management teams as required
• Manage and support simple user and office relocations
• Understanding of unique line-of-business technologies
• Compiling, documenting, and maintaining Service Desk knowledge base and standard procedures
• Deployment of hardware and software to end users
• Management and installation/removal of break/fix or warranty replacement of IT related equipment
• IT asset procurement, inventory and Life cycle management

• Work with all the IT functions within the Enterprise Technology operating model to ensure the needs of the business are fulfilled

• Support WPP Global in promoting global standards and ensuring local implementation
• Support other IT teams with IT changes and ensure support priorities are localised and executed to plan

• Escalation management and work with third-party suppliers to ensure operational services meet business requirements
• Perform basic device troubleshooting including resetting devices, cable management, providing console access for 3^rdlevel teams/partners as part of Incident break fix or scheduled changes
• Perform/be accountable for infra testing pre/post deployment of changes through either Incidents or Projects; liaise with local application owners for additional testing
• Facilitate and support refresh of local infrastructure (network and server)
• Support the review of local licencing demand for software assets
• Availability where necessary for out-of-hours support other duties as required

What you'll need:

• 3 – 5 years in an IT help desk / desk side support role
• Strong cross-platform experience in Windows and Mac, along with working knowledge of AV technology
• Excellent problem-solving skills
• Can-do attitude
• Someone that can empathize and communicate effectively with end users
• Builds excellent relationships, based on trust and mutual respect
• Excellent written and verbal communication skills
• Able to manage time effectively and set priorities appropriately

Able to maintain professional demeanor under stress while remaining friendly and approachable to ensure a positive user experience

Who you are:

You're open: We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working.

You're optimistic: We believe in the power of creativity, technology and talent to create brighter futures or our people, our clients and our communities. We approach all that we do with conviction: to try the new and to seek the unexpected.

You're extraordinary: we are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day.

What we'll give you:

Passionate, inspired people – We aim to create a culture in which people can do extraordinary work.

Scale and opportunity – We offer the opportunity to create, influence and complete projects at a scale that is unparalleled in the industry.

Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers. Are you up for the challenge?

#LI-Hybrid