Senior Fullstack Engineer (Go/Kotlin & React) — Hybrid

Jobs in JS; Greater London; Hybrid; GBP 77,000 - 103,000; Full time

Job summary

Deliveroo (part of DoorDash) seeks a Senior Fullstack Engineer for Merchant EMEA, based in Helsinki or Berlin. You will build production software across backend services and user-facing apps, supporting onboarding, analytics and merchant tools.

Collaborate with product, design, data and operations to turn business needs into practical solutions. You’ll own features end-to-end and contribute to design discussions while leveraging AI tools responsibly.

Qualifications

• Experience building production software in backend, frontend, or fullstack environments.
• Strong knowledge of APIs, databases, testing, and software design fundamentals.
• Willingness to work across boundaries and contribute outside primary area.

Responsibilities

• Build and maintain production software across backend services and user-facing applications.
• Develop merchant onboarding, analytics, recommendations, menu and order management tools.
• Collaborate with product, design, data, and operations to turn business needs into solutions.
• Own features from implementation through production and maintenance.

Skills

AI-first mindset

Production software

APIs & databases

Go / Kotlin

TypeScript / React

Independent worker

Communication

Tools

Kafka

PostgreSQL

MongoDB

Redis

AWS

Kubernetes

Docker

gRPC

Job description

Deliveroo (part of DoorDash) seeks a Senior Fullstack Engineer for Merchant EMEA, based in Helsinki or Berlin. You will build production software across backend services and user-facing apps, supporting onboarding, analytics and merchant tools.

Collaborate with product, design, data and operations to turn business needs into practical solutions. You’ll own features end-to-end and contribute to design discussions while leveraging AI tools responsibly.