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Senior Backend Engineer

Helsinki, Finland🌐 Remote💼 Full-time🗓 2026-07-27 → 2026-09-27

Core

Designing and building scalable backend services and APIs to enable marketing campaign scaling, efficiency, and compliance (consent management) for Wolt's global delivery platform.

Role type

Senior Backend Software Engineer (Golang/Python)

Builds

Internal marketing platforms, consent management systems, audience management tools, bid & budget automation, and ETL/streaming processing workers.

Domain

Food delivery / Marketing Technology

Deliverable

production ML models | product features

Required skills

Golang, Python, gRPC, FastAPI, Echo, PostgreSQL, Spark, Kafka, Redis, Kubernetes, AWS, monitoring, alerting, deployment

Preferred skills

Marketing principles and workflows understanding, cross-functional collaboration with DoorDash teams

Technologies

gRPC, FastAPI, Echo, PostgreSQL, Spark, Kafka, Redis, Kubernetes, AWS

Responsibilities

Design and build top-class software and APIs; maintain and expand existing services; plan and design new services; collaborate with marketing, analytics, and product stakeholders to bring projects from idea to production; work on cross-functional projects with DoorDash teams.

Seniority

Senior, hands-on IC

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