Junior Backend Engineer

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. Who We Are Global Marts builds the technology behind DoorDash's 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 isn't a traditional CRUD backend environment. You'll have the opportunity to work on real operational problems and learn how backend systems support a global retail organization. What You'll Do As a Backend Engineer, you'll work primarily with Go or Kotlin alongside experienced engineers to build and improve production systems. You'll: Build and improve backend services that support inventory, purchasing, warehouse operations, pricing, and fulfillment. Write reliable, maintainable, and well-tested code following established engineering practices. Work with experienced engineers to understand technical problems and contribute to their solutions. Learn how we design, deploy, monitor, and operate backend services in production. Collaborate with engineers, product managers, data scientists, and operations teams. Take increasing ownership of features and services as you grow in the role. Participate in code reviews, technical discussions, and the team's operational responsibilities. Use modern AI-assisted development tools to accelerate learning and development, while applying sound engineering judgment to validate and understand the solutions you build. How We Work Learning & Ownership: You'll be supported by experienced engineers while gradually taking more ownership of the systems you work on. Collaboration: We solve problems together and value asking questions, sharing ideas, and learning from each other. Scalability & Simplicity: We value pragmatic solutions and focus on building reliable systems without unnecessary complexity. Our Tech Stack Our primary backend languages are Go and Kotlin. We also use Kafka, PostgreSQL, MongoDB, Redis, Snowflake, AWS, Kubernet