We’re looking for experienced Software Engineers to join various teams within the Merchant Group at Wolt! If you have a strong track record of building and maintaining scalable, production-grade systems and want to drive impact at scale, this is the place for you.

Who We Are

The Merchant Group consists of 150+ engineers across 25+ cross-functional teams, working together to help merchants grow their businesses and streamline operations through innovative technology. Some of us focus on building seamless experiences for our merchants, while others work on the behind-the-scenes magic that makes everything run smoothly.

What You’ll Do

As an engineer in our group, you’ll work on production-level microservices in Kotlin and Go, helping shape how merchants succeed with Wolt. You’ll have opportunities to:

• Design, build, and scale reliable systems that power merchant experiences.
• Work across the full development lifecycle – from business logic and testing to cloud infrastructure and data streaming.
• Collaborate on architecture and technology choices that keep our systems simple, scalable, and efficient.
• Grow your skills and knowledge by working alongside experienced teammates in an environment that values learning and experimentation.

How We Work

• Autonomy & Ownership – Our engineers have end-to-end responsibility for their services, from implementation to production.
• Collaboration – Architecture and working methods are defined together, ensuring we make the best choices for long-term success.
• Scalability & Simplicity – We value pragmatic solutions that keep our systems robust without unnecessary complexity. We use technologies that serve Wolt, our teams, and our engineers best. You’ll have the freedom to experiment and adopt the tools that work.

Find out more by checking out our Kotlin-related Tech Talks below:

• Scaling Kotlin Backend Development Podcast 

• Kotlin at Wolt

• Kotlin Meetup

Our Tech Stack

Our core technologies include Kotlin (Ktor, Koin, Spring, gRPC), PostgreSQL, MongoDB, Kafka, Redis, GitHub Actions, AWS, Docker, and Kubernetes.

Why Join Us?

Wolt is a place where you can learn, teach, and grow. If you’re passionate about building great technology and working in an environment that values teamwork and autonomy, we’d love to hear from you!

📍These open roles are based in our tech hubs in Berlin, Helsinki or Stockholm. We work in distributed teams, but might not be able to offer fully remote work or relocation. 

Our humble expectations

We’re seeking experienced Software Engineers with a strong background in building scalable microservices. While Kotlin is our primary language, experience with Java, Scala, or other JVM backend languages is great. As we are exploring Go, we're looking for people who are confident in their ability to learn and teach! 🛠️

Beyond technical expertise, we value ownership, collaboration, and a mindset for growth. We think you're a great communicator who thrives in tackling complex challenges, questioning conventions, and working closely with teammates to build reliable, scalable systems. 🚀

Next steps

We are hiring for multiple open positions across different teams in the Merchant Group. During the initial screening call our Talent Acquisition Partner will discuss with you your expectations and possible domain preferences as well as share more about the group. After the recruiter screening call, during the rest of the interviewing steps, you’ll meet hiring managers and software engineers from the Merchant group, a specific team being proposed at the end of the process - that’s the moment when you’ll get to meet your possible Team Lead. Throughout the process, we will do our best to match your experience, skills, and aspirations with the most suitable Engineering team!

We are looking for experienced Senior Software Engineers who can develop production-level microservices to join our Fintech group here at Wolt.

Our Engineering organization at Wolt consists of 700+ Engineers working across 70+ product teams. Some of us work on the visible parts, making our services easy on the eye and some of us focus on the unseen magic happening behind the scenes. ✨

Our Engineers handle the whole development process (business logic, testing, database & data streaming, CI/CD, analytics, cloud) in an autonomous manner. They build things that are accessible and made to scale. They keep our systems in the best shape by simplifying the unnecessary complexity.

We make the decisions as a team and group of teams for our ways of working and we take architectural decisions together. Everyone plays a role in our future.

Our Engineers choose the best technologies that work for Wolt, their teams and themselves. Making good choices means finding scalable, robust technology that works in everyone’s best interests. The freedom to experiment and adopt the best technology benefits everyone.

The main stack for these roles consists for example Golang (Echo), Kotlin (Ktor, Koin,  Spring, grpc…), PostgreSQL, MongoDB, Kafka, Redis, GitHub Actions, AWS, Docker and Kubernetes.

Needless to say, in such an environment there’s a lot of room for learning, teaching and growing together! 

Go ahead and check our Kotlin- & Golang-related Tech Talks below. 

• The very fresh Scaling Kotlin Backend Development Podcast 
• Kotlin at Wolt
• Kotlin Meetup
• Golang Tech Talks

FinTech Group

FinTech Group is dedicated to shaping the future of financial services at Wolt. 🚀 Our Fintech teams play a critical role in enabling smooth and automated money flows for our customers, merchants, and courier partners as well as delivering financial products to them. To meet local requirements and provide the best financial solutions, our Fintech engineering teams are at the forefront of building integrations and automating financial processes for local country teams, supporting expansion in our existing markets and into new ones. Our focus has been also on building Consumer Fintech, introducing brand-new products and bringing innovations that elevate the financial experience for all our users.

We currently have multiple roles in our Fintech Teams, and depending on your experience, we will make sure to find the right team for you during the interview process. If you are always open to learning new things, find motivation in working with skilled and nice colleagues, and don't shy away from highly challenging engineering topics, you'll fit right in! 💡👩‍💻

📍This role can be based in one of our tech hubs in Helsinki, Stockholm, or our newest additions, Timisoara & Bucharest in Romania. Read more about our hybrid and remote setup here. If you live outside of these countries, don't worry! We provide relocation support to help you make your way to Finland or Sweden.

Our humble expectations

We'd love to see experience with either Golang or Kotlin. We appreciate previous experience in handling the whole development cycle all the way to production. However,  what truly sets you apart is your ability to tackle big challenges together, envision scalability and availability, and dare to question conventional decisions. You’ll be successful in our teams if you quickly grasp new concepts and thrive in an environment of continuous learning.🌟

We put a lot of focus on the ability to collaborate well with others. We work closely with our teammates and having a good connection with team members is essential. We understand that everyone has their own unique way of communicating with others. We expect you to be yourself, express your opinions, and work together with the rest of the team.

In addition to technical expertise, we cherish those who take ownership beyond the obvious, have an insatiable hunger for knowledge, make collaborative decisions, and enthusiastically collaborate with diverse teams Woltwide. We value the unique perspectives and skills you bring to our adventure, and we're excited to see what you can achieve with us! 👥 🚀

Fluency in English language is mandatory.

Next steps

During the initial screening call our Talent Acquisition Partner will discuss with you your expectations and possible domain preferences as well as share more about different teams. After the recruiter screening call, the interviewing steps are conducted and a specific team being proposed at the end of the process - that’s the moment when you’ll latest get to meet your possible Team Lead. Throughout the process, we will do our best to match your experience, skills and aspirations with the most suitable team at Wolt! 

We’re looking for an experienced Software Engineer join our Go initative within the Merchant Group at Wolt! If you have a strong track record of building and maintaining scalable, production-grade systems you like to drive impact at scale and mentor juniors and peers - this is the place for you!

Who We Are

The Merchant Group consists of 150+ engineers across 25+ cross-functional teams, working together to help merchants grow their businesses and streamline operations through innovative technology. Some of us focus on building seamless experiences for our merchants, while others work on the behind-the-scenes magic that makes everything run smoothly.

What You’ll Do

As a senior engineer in our group, you’ll work your magic in Go or Kotlin (and some Kotlin) helping shape how merchants succeed with Wolt. You’ll have opportunities to:

• Design, build, and scale reliable systems that power merchant experiences.
• Work across the full development lifecycle – from business logic and testing to cloud infrastructure and data streaming.
• Collaborate on architecture and technology choices that keep our systems simple, scalable, and efficient.
• Grow your skills and knowledge by working alongside experienced teammates in an environment that values learning and experimentation.

How We Work

• Autonomy & Ownership – Our engineers have end-to-end responsibility for their services, from implementation to production.
• Collaboration – Architecture and working methods are defined together, ensuring we make the best choices for long-term success.
• Scalability & Simplicity – We value pragmatic solutions that keep our systems robust without unnecessary complexity. We use technologies that serve Wolt, our teams, and our engineers best. You’ll have the freedom to experiment and adopt the tools that work.

Our Tech Stack

Our core technologies include Go, as well as Kotlin (Ktor, Koin, Spring, gRPC), PostgreSQL, MongoDB, Kafka, Redis, GitHub Actions, AWS, Docker, and Kubernetes.

Why Join Us?

Wolt is a place where you can learn, teach, and grow. If you’re passionate about building great technology and working in an environment that values teamwork and autonomy, we’d love to hear from you!
📍This open role are based in our tech hubs in Berlin, Helsinki or Stockholm. We work in distributed teams, but might not be able to offer fully remote work or relocation.

Our humble expectations

We’re seeking an experienced Software Engineer, so we expect that you:

• Not only understand customer problems but can break them down into actionable steps for both yourself and the team. You balance short-term needs with long-term goals, creating high-quality, scalable solutions.
• Lead by example, setting high standards for work quality and managing projects effectively, even in uncertain situations. You take full ownership of your team’s work, making improvements that benefit both customers and colleagues. You regularly spot gaps and provide valuable recommendations to cross-functional partners.
• Are used to being a role model and informal leader, collaborating with partner teams and mentoring both juniors and peers.
• Are an excellent communicator, being succint and to the point. 

Next steps

We are continuously reviewing applications, so don’t hesitate to apply today - you will hear back from us as soon as possible.
You can read more about our recruitment process here.

The App DevX team exists to improve the day-to-day effectiveness of mobile engineers at Oura by providing fast, stable, and observable CI/CD systems, robust build and test infrastructure, and strong developer-facing tooling. We focus on systemic improvements that scale across teams and measurably improve developer productivity.

We are looking for a Senior iOS Platform Engineer to own and evolve the iOS platform, build and test foundations used by all iOS engineers at Oura. This role plays a critical part in improving application observability, build performance, test stability, and CI reliability while reducing operational risk. 

What you will do

Own iOS build system performance and reliability

• Act as a deep technical owner of the iOS build system, including Xcode configuration, build internals, and performance characteristics.
• Diagnose and resolve build-time bottlenecks, non-determinism, and performance regressions in both local and CI environments.
• Improve build debuggability and predictability for day-to-day iOS development.

Own iOS test architecture and stability

• Define and evolve test architecture for iOS unit, integration, and UI tests, with a strong focus on determinism and signal quality.
• Lead the design and adoption of integration testing frameworks and patterns suitable for iOS at scale.
• Set clear standards and policies for flaky tests, including detection, quarantine, remediation, and enforcement.
• Partner with Testing and Release teams to shift meaningful iOS test signals earlier into CI and local workflows.
  
  

Own iOS CI execution models

• Design and maintain iOS CI execution models, including simulator usage, sharding strategies, and test parallelization.
• Improve CI runtime, queue time, and failure rates for iOS pipelines through systematic measurement and iteration.
• Partner closely with CI and infrastructure engineers to ensure iOS workloads are efficiently supported by the CI fleet.
  
  

Own Tuist project generation and tooling

• Own and evolve Tuist-based project generation, structure, and tooling.
• Improve developer workflows around project generation, caching, and incremental builds.
• Define best practices and guardrails to keep the iOS project structure scalable over time.
  
  

Improve developer feedback loops

• Ensure iOS build and test results are clear, actionable, and surfaced early.
• Reduce “works on my machine” issues by improving local–CI parity.
• Use metrics and data to guide prioritization and prevent regressions.
  
  

We would love to have you on our team if you have

• Strong experience as an iOS engineer with a focus on build systems, test infrastructure, or developer tooling.
• Deep understanding of Xcode builds, dependency graphs, and build performance optimization.
• Experience designing or evolving iOS test architectures, including integration or UI testing at scale.
• Experience operating and improving iOS build and test systems in CI environments.
• Proven ability to improve local developer build and test loops for iOS engineers.
• Comfort using CI metrics, logs, and failure patterns to guide debugging and prioritization.
• Strong root-cause analysis skills and the ability to debug complex, non-deterministic failures.
• Clear communication skills and the ability to work effectively with iOS engineers, platform teams, and partners.

Technical expertise in (not all required)

• Xcode build internals, build settings, and performance optimization.
• iOS test frameworks and integration testing approaches.
• CI execution models for iOS (simulators, parallelization, sharding).
• Tuist project generation and related tooling.
• macOS environments and iOS toolchains.
• Scripting and automation (Bash, Swift, Python).
• Github workflows and CI-based development.
  
  

Nice to have

• Familiarity with developer-facing observability or instrumentation in pre-release environments.
• Experience contributing to or shaping CI standards beyond a single platform.
• Interest in mentoring other iOS engineers in build and test best practices.
• Exposure to cross-platform mobile build or test systems.

Current iOS environment (for context)

Today, our iOS build and test infrastructure includes:

• Xcode projects generated via Tuist
• fastlane for build, test, and release-related automation
• Swift and XCTest-based unit, integration, and UI test suites
• CI execution primarily using simulator-based test sharding
• GitHub Actions for CI orchestration, running on macOS-based runners

Benefits:

• Competitive Salary
• Lunch benefit
• Wellness benefit
• Flexible working hours + work-life balance
• Collaborative, smart teammates
• An Oura ring of your own
• Easy-to-reach offices in Oulu Teknologiakylä and in Helsinki city center
• Latest equipment of choice

We’re looking for an Engineering Manager to lead a team within our Infrastructure & Production group. DevOps Tooling & Developer Experience (Vulcan) spearheads our cloud developer experience, builds tools that build the tools and owns our big data platforms & pipelines.

We believe in automating our infrastructure as much as possible and pursuing challenging problems in a sustainable and repeatable way. Currently, our infrastructure processes petabytes of data every month through hundreds of servers and we are moving towards a Hybrid Cloud environment where we utilize the best of both worlds to build scalable production and development environments.

We work on many aspects of developer tooling at Smartly.io, from CI (we use GitHub Actions mostly) to our own development environment management tool (Devbox) that manages development environments for developers. We are helping other Smartly developers to be more effective in their day-to-day work.

As an Engineering Manager, you will be in charge of getting the best out of people, through coaching, 1:1s, helping them build a development plan and in general removing blockers from the team's path.

Tech Stack: AWS, Ansible, Kubernetes, Docker, Logstash, GitHub Actions, Grafana, PostgreSQL, Kafka, Elasticsearch, VictoriaMetrics

Read more about the our culture and developer ways of working: https://www.smartly.io/engineering-hub 

What You Will Do

• Lead an autonomous DevOps Tooling & Developer Experience (Vulcan) team. Lead by example.
• Lead developer tools development and strategy.
• Drive a cloud developer experience development.
• Facilitate the team at team level. Enable them.
• Care about your team members' growth and development. Go far together.
• Tackle ambitious technical problems and add your mark to our Engineering culture. Help us grow.

What We Are Looking For

• You are an experienced people leader with proven ability in building and leading high-performing teams
• You have experience throughout the full software life-cycle in an environment with multiple teams
• You have built and maintained large-scale, high-availability public cloud infrastructures with an active and growing user base
• You have experience in various agile development practices as well as the pragmatism to know which tradeoffs are acceptable and a sharp focus on delivery.
• Ability to deliver constructive feedback that leads to meaningful changes and growth.
• Empathetic and user-focused: you care deeply about the developer experience, you understand developers motivations and frustrations, and you genuinely want to help them
• You are a skilled engineer. You will need to be also hands-on when coaching the team members to new technical and professional heights, which can involve code reviews, pair programming, etc.
• Ability and willingness to work from our Helsinki office three days a week

What We Offer You

At Smartly, we offer a place where you can advance your career. Here, you'll find:

An Inclusive Global Culture: Join a team of over 750 Smartlies, representing more than 60 nationalities across 24 locations in 13 countries. We cultivate a culture built on trust, transparency, and open feedback, where diverse perspectives are valued and encouraged.

Global Impact: Contribute to a company making a global impact, directly influencing our customers' success and business growth.

Focus on Wellbeing: We prioritize your health with healthcare packages, mental health services, and a commitment to work-life balance through paid holidays and family leave.

Comprehensive Rewards: Benefit from equity options, performance-based rewards, competitive compensation, and career development opportunities.

Flexible Hybrid Workplace: Experience a hybrid work model, balancing office collaboration with remote work, and the option to work abroad for up to 30 days annually.

Smartly is committed to being a great place for growth-minded individuals to thrive. Explore more in our Culture Handbook!

Apply Now and Build Your Future with Smartly!

Curious what it’s like to work at Smartly? Visit our Careers page to see how we grow, collaborate, and make impact together.

#LI-HYBRID