Senior Go Backend Engineer — Build Scalable Retail Platforms

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

Job summary

Wolt is seeking a senior Software Engineer for Global Retail in Helsinki. You’ll shape how customers discover, browse, and buy retail products across Wolt apps using Go or Kotlin, with strong cloud and data infrastructure skills.

You’ll join an evolving area and own significant parts of the stack, contributing to architecture decisions and mentoring teammates while delivering reliable, scalable systems. AI-first thinking and collaboration are essential in this fast-paced environment.

Qualifications

• Experience building scalable retail experiences in a multi-team environment.
• Strong knowledge of Go or Kotlin and cloud infrastructure.
• Ability to drive architecture decisions and mentor peers.

Responsibilities

• Design, build, and scale reliable systems powering retail experiences.
• Collaborate across the full development lifecycle from business logic to data streaming.
• Contribute to architecture decisions and promote simplicity and scalability.
• Grow skills by pairing with experienced teammates and sharing knowledge.

Skills

AI-first mindset

Ownership

Mentoring

Strong communicator

Independent problem solving

Tools

Go

Kotlin

PostgreSQL

MongoDB

Kafka

Redis

Docker

Kubernetes

AWS

Job description

Wolt is seeking a senior Software Engineer for Global Retail in Helsinki. You’ll shape how customers discover, browse, and buy retail products across Wolt apps using Go or Kotlin, with strong cloud and data infrastructure skills.

You’ll join an evolving area and own significant parts of the stack, contributing to architecture decisions and mentoring teammates while delivering reliable, scalable systems. AI-first thinking and collaboration are essential in this fast-paced environment.