Senior Backend Engineer Global Marts
Job Summary
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.
Global Marts builds the technology behind DoorDashs own grocery and retail operations across DashMart Wolt Market and Deliveroo Hop.
Our systems decide what products our stores stock how much inventory to purchase which vendors to source from how warehouses execute orders and what prices customers see.
We build everything from forecasting and replenishment systems to vendor management warehouse execution labor scheduling space optimization and pricing. Our in-house forecasting platform has replaced third-party solutions and now powers production globally.
This isnt a traditional CRUD backend environment. Much of our work involves designing new systems that solve complex operational problems at global scale.
As a Senior Backend Engineer youll work primarily with Go or Kotlin and take end-to-end ownership of production systems and complex technical initiatives.
Youll:
- Design build and operate backend systems that support inventory purchasing warehouse operations pricing and fulfillment.
- Own technical solutions from problem definition and design through implementation deployment monitoring and production operation.
- Work on data-heavy systems where software engineering meets forecasting optimization and operational decision-making.
- Turn complex and sometimes ambiguous business problems into pragmatic scalable technical solutions.
- Make and influence architectural decisions balancing scalability reliability development speed and long-term maintainability.
- Collaborate closely with engineers product managers data scientists and operations teams to shape solutions and technical direction.
- Improve the reliability observability scalability and operational excellence of the systems you own.
- Support and raise the engineering standards of the team through technical discussions code reviews and knowledge sharing.
- Use AI-assisted development tools effectively while applying strong engineering judgment to validate their output improve development velocity and identify opportunities where AI can create additional leverage.
- Autonomy & Ownership: Engineers have end-to-end responsibility for their services from design and implementation to production and on-call.
- Collaboration: Architecture and technical direction are shaped together. Senior engineers are expected to contribute actively to decisions and help others arrive at strong solutions.
- Scalability & Simplicity: We value pragmatic solutions that solve todays problems while providing a sustainable foundation for tomorrow.
- Impact: We work closely with Product Data Science and Operations connecting technical decisions directly to real-world retail and operational outcomes.
Our primary backend languages are Go and Kotlin.
We also use Kafka PostgreSQL MongoDB Redis Snowflake AWS Kubernetes Docker gRPC GitHub Actions and modern cloud infrastructure.
You dont need experience with every technology in our stack. Were more interested in strong backend and distributed systems fundamentals and your ability to learn and make sound technical decisions.
Were looking for engineers who:
- Have strong experience designing building and operating production backend systems.
- Have professional experience with Go Kotlin or another modern backend language.
- Have experience owning services end-to-end including design implementation deployment monitoring reliability and production operations.
- Have strong knowledge of backend and distributed systems fundamentals including APIs databases asynchronous processing failure handling testing and observability.
- Are comfortable working with data-heavy systems and technologies such as Kafka Snowflake or similar streaming and data infrastructure.
- Can navigate ambiguous problems break them into actionable steps make appropriate technical trade-offs and deliver incrementally.
- Can influence technical decisions beyond their immediate tasks and collaborate effectively with engineers and cross-functional partners.
- Communicate technical concepts and decisions clearly and concisely.
- Use AI-assisted development tools effectively in their everyday engineering workflow while critically evaluating generated solutions and taking full ownership of the resulting code and technical decisions.
- Look for opportunities to use AI to improve engineering productivity and solve problems more effectively while understanding where human engineering judgment remains essential.
Nice to Have
Experience in one or more of the following is a plus:
- Forecasting optimization scheduling recommendation or decisioning systems.
- Grocery retail logistics supply chain or warehouse technology.
- ERP vendor management procurement or workforce management integrations.
- Replacing third-party or legacy platforms with internally built systems.
- High-throughput event-driven or streaming architectures.
Youll help build the technology that powers DoorDashs global grocery and retail business solving complex operational challenges across inventory forecasting fulfillment pricing and supply chain.
Youll have significant ownership over the systems you build and the opportunity to influence technical direction while working closely with experienced engineers product managers data scientists and operations teams across multiple markets.
This role is based in our tech hub in Helsinki or Stockholm. We work in distributed teams but may not be able to support fully remote work or relocation.
Were reviewing applications on an ongoing basis so dont wait to apply. Well get back to you as soon as possible.
You can read more about our recruitment process here.
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.
Beware of recruitment scams: DASH Brands will never ask you to pay money or share sensitive financial information during hiring learn more about DASH Brands legitimate recruiting process at Experience:
Senior IC
About Company
Wolt is a Helsinki-based technology company with a mission to bring joy, simplicity and earnings to the neighborhoods of the world. Wolt develops a local commerce platform that connects people looking to order food, groceries, and other goods with people interested in selling and deli ... View more