Kotlin Backend Engineer - Merchant Group
Engineering
Finland · Finland
About Wolt
At Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we’re building the delivery of (almost) everything and you’ll find us in over 500 cities in 30 countries around the world. In 2022 we joined forces with DoorDash and together we keep on dreaming big and expanding across the globe.
Working at Wolt isn’t always easy, but it’s definitely exciting. Here you’ll learn more, build more, and ship more than in most other companies. You’ll be challenged a lot, but also have a lot of fun on the way. So, if you’re a self-starter with drive and entrepreneurial spirit, this could be the ride of your life.
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, 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:
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?
No matter your level, 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 can be based in our tech hubs in Helsinki, Stockholm and Tallinn. You can choose whether you want to work from home, from the office or hybrid.
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 - if you’re confident in your ability to learn, we’d love to hear from you! 🛠️
Beyond technical expertise, we value ownership, collaboration, and a mindset for growth. You thrive in tackling complex challenges, questioning conventions, and working closely with teammates to build reliable, scalable systems. 🚀
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!
The compensation will be a negotiable combination of monthly pay and DoorDash RSUs. The latter makes it exceptionally easy to be excited about our company growing and doing well, as you’ll own a piece of the pie.
For any further questions about the position, you can turn to Product+ Talent Acquisition Partner - Severi Kausola severi.kausola(at)wolt.com
Our Commitment to Diversity and Inclusion
We’re committed to growing and empowering a more inclusive community within our company, industry, and cities. That’s why we hire and cultivate diverse teams of people from all backgrounds, experiences, and perspectives. We believe that true innovation happens when everyone has room at the table and the tools, resources, and opportunity to excel.
Engineering at Wolt
We build the technologies powering Wolt. Our apps connect millions of customers, hundreds of thousands of courier partners, and tens of thousands of shops and restaurants. We now operate in 30 countries, 500+ cities and we’re growing fast.
We build at scale, are laser-focused on building world-class customer experiences, and do things with heart. Dive with us into the complex problems of building the delivery of (almost) everything.
What we're working on
On this journey towards delivery of (almost) everything, we’re building a wide suite of products — from the systems powering our own Wolt Market stores, to our support tooling, and even fintech solutions.
Get a sneak peek into what we’re working on through our Wolt Tech blog, Wolt Tech Talks podcast, and more from the link below.
We build beautiful products, the Wolt way
We like to do things well and move fast. Doing that requires less red tape and more trust.
At Wolt, every product team has the resources, talent, and autonomy they need to deliver the task at hand. This way our teams stay close to their customers. They work how they see best, and in return, they’re responsible for seeking alignment and owning the outcome.
Our culture
At Wolt, you’ll learn more, build more, and ship more than in most other companies.
You’ll be challenged a lot, but also have a lot of fun on the way. All of which comes from working with passionate, caring, down-to-earth and super-smart people.
“Wolt is a great environment for screwing up, learning from that, growing, and moving on to do things better. We never blame anyone for mistakes, we just make sure we can learn from them”
- Kimbo, Software Engineer
Engineering at Wolt
We build the technologies powering Wolt. Our apps connect millions of customers, hundreds of thousands of courier partners, and tens of thousands of shops and restaurants. We now operate in 30 countries, 500+ cities and we’re growing fast.
We build at scale, are laser-focused on building world-class customer experiences, and do things with heart. Dive with us into the complex problems of building the delivery of (almost) everything.
What we're working on
On this journey towards delivery of (almost) everything, we’re building a wide suite of products — from the systems powering our own Wolt Market stores, to our support tooling, and even fintech solutions.
Get a sneak peek into what we’re working on through our Wolt Tech blog, Wolt Tech Talks podcast, and more from the link below.
We build beautiful products, the Wolt way
We like to do things well and move fast. Doing that requires less red tape and more trust.
At Wolt, every product team has the resources, talent, and autonomy they need to deliver the task at hand. This way our teams stay close to their customers. They work how they see best, and in return, they’re responsible for seeking alignment and owning the outcome.
Our culture
At Wolt, you’ll learn more, build more, and ship more than in most other companies.
You’ll be challenged a lot, but also have a lot of fun on the way. All of which comes from working with passionate, caring, down-to-earth and super-smart people.
“Wolt is a great environment for screwing up, learning from that, growing, and moving on to do things better. We never blame anyone for mistakes, we just make sure we can learn from them”
- Kimbo, Software Engineer
