Senior Backend Engineer — Golang/Python, MarTech Platform

Wolt - English; Helsinki; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

Wolt is seeking a Golang/Python Backend Software Engineer to join the Marketing Tech team. You will design and build scalable APIs and services using modern stacks (gRPC, FastAPI, Echo) and run them on Kubernetes in AWS, delivering reliable marketing infrastructure.

You will own the centralized consent platform, collaborate with marketing, analytics and product leads, and help teams deploy compliant experiences across the app and external systems.

Qualifications

• Experience designing and building top-class software and APIs using modern Golang or Python.
• Familiarity with gRPC, FastAPI, Echo, PostgreSQL and Spark.
• Knowledge of building and operating scalable software services in production.
• Experience with cloud infrastructure (AWS) and Kubernetes is a strong plus.

Responsibilities

• Develop and maintain scalable APIs and services for marketing tech platforms.
• Own the centralized consent platform and enable compliant experiences across campaigns and integrations.

Skills

Golang

Python

Backend APIs

GRPC

FastAPI

PostgreSQL

Spark

Kafka

Redis

AWS

Kubernetes

Tools

Docker

Kafka

Spark

Redis

PostgreSQL

Job description

Wolt is seeking a Golang/Python Backend Software Engineer to join the Marketing Tech team. You will design and build scalable APIs and services using modern stacks (gRPC, FastAPI, Echo) and run them on Kubernetes in AWS, delivering reliable marketing infrastructure.

You will own the centralized consent platform, collaborate with marketing, analytics and product leads, and help teams deploy compliant experiences across the app and external systems.