Senior Go Backend Engineer - Scalable Systems Leader

Wolt; Helsinki; On-site; EUR 110,000 - 150,000; Full time

Job summary

Wolt is hiring a senior backend engineer to build and maintain high-throughput Go services that power global support tooling. You will collaborate across product, design, and frontend teams to deliver scalable features and reliable systems at scale.

You will guide architectural decisions, mentor teammates, and ensure you ship well-tested, maintainable code that supports a fast-growing delivery platform.

Qualifications

• 7+ years of professional software engineering experience building and scaling complex systems.
• 2+ years of production experience in Golang with ability to mentor and elevate practices.
• Strong hands-on with SQL and NoSQL databases, especially Cassandra.
• Solid design and operation of low-latency, high-throughput distributed systems.

Responsibilities

• Build and maintain high-throughput backend services using Go.
• Collaborate with product managers, designers, and frontend developers to ship features for global support agents.
• Design scalable, resilient, and maintainable systems.
• Lead architectural discussions and technical decisions.
• Write well-tested code and uphold high code quality standards.

Skills

Go backend

Distributed systems

SQL & NoSQL

Golang

Mentoring

Tools

Cassandra

AWS

GCP

Node.js

Job description

Wolt is hiring a senior backend engineer to build and maintain high-throughput Go services that power global support tooling. You will collaborate across product, design, and frontend teams to deliver scalable features and reliable systems at scale.

You will guide architectural decisions, mentor teammates, and ensure you ship well-tested, maintainable code that supports a fast-growing delivery platform.