About Wolt

At Wolt we create technology that brings joy simplicity and earnings to the neighborhoods of the 2014 we started with delivery of restaurant food. Now were building the delivery of (almost) everything and youll find us in over 500 cities in 30 countries around the 2022 we joined forces with DoorDash and together we keep on dreaming big and expanding across the globe.

Working at Wolt isnt always easy but its definitely exciting. Here youll learn more build more and ship more than in most other companies. Youll be challenged a lot but also have a lot of fun on the way. So if youre a self-starter with drive and entrepreneurial spirit this could be the ride of your life.

Backend Engineer - Growth Experiments

Were looking for a Backend Engineer to join our Growth Experiments team in the Consumer Product group. Youll work on the systems that power experiments across Wolts consumer app helping millions of users discover the value of Wolt and building the habits that keep them coming back.

This is a team that believes the fastest way to learn is by doing. We prioritize high-velocity experimentation over long development cycles relying on rigorous A/B testing to validate hypotheses and measure outcomes. Our philosophy is simple: ship small learn fast and compound the wins. If you like seeing your work in production quickly letting data guide decisions and arent too precious about code that might get thrown away after an experiment youll fit right in.

What youll be doing

Youll join a cross-functional team of Backend iOS Android and Web Engineers working alongside Designers and Data Analysts all closely partnered with Product. Beyond the team youll collaborate with platform teams and tap into Wolts engineering community for shared tooling and best practices.

Day-to-day in this role youll:

• Design build and operate backend services that power growth experiments across the consumer app primarily in Python Kotlin and/or Go.
• Implement A/B tests feature flags and experiment infrastructure that let the team validate hypotheses quickly.
• Collaborate closely with Product Design iOS Android Web and Data to ship experiments that drive measurable impact on user growth and retention.
• Balance speed with quality: write clean testable code thats easy to ship and easy to remove when experiments conclude.
• Drive reliability observability and efficiency through automated testing logging alerting and incident response.

Our humble expectations*

Backend development experience in one or more of the following languages: Python Kotlin (or modern Java) or Go.Experience building and operating production services at scale.Familiarity with databases (PostgreSQL MongoDB or similar) RESTful APIs and CI/CD pipelines.Comfort with experimentation infrastructure: A/B testing feature flags or similar.A strong ownership mindset someone proactive curious and eager to ship.A pragmatic approach to quality: you ship fast encapsulate experimental code properly and avoid over-engineering.Excellent collaboration and communication skills in English.

Optional but great to have

Experience in a growth or experimentation-focused team. Familiarity with Kafka Redis or event-driven architectures.Experience across multiple backend languages.

What we offer

Ship and learn fast: See your work in production quickly and let data guide whats next.

Collaborate across disciplines: Work shoulder-to-shoulder with Product Design Data and mobile engineers.

Drive real impact: Your work directly influences user growth and retention metrics.

Next steps*

This role can be based in Helsinki or Stockholm ONLY.

Were reviewing applications as they come in so if this sounds like your kind of challenge dont wait too long. Wed love to hear from you.

The hiring process typically includes an initial chat with our Talent Acquisition Partner followed by technical interviews a team conversation and final alignment.

Feel free to check the Wolt Tech Blog for more about our culture & technology.

Our Commitment to Diversity and Inclusion

Were committed to growing and empowering a more inclusive community within our company industry and cities. Thats 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.