Posted:
February 28, 2026
Location:
Helsinki, Uusimaa, Finland

Job Description

Senior Fullstack Engineer (~ k/y, Helsinki-FI, HYBRID)

***CAUTION: PLEASE DO NOT SEND APPLICATION IF YOUR CURRENT RESIDENCE IS NOT IN FINLAND AT UUSIMAA***

We're looking for a Senior Full-stack Engineer with strong backend and infrastructure skills who takes ownership and ships with confidence. In this project you'll be focusing on Loyalty Personalised Content for over 2,5 million users/members. The team owns three systems that focuses on ML-driven recommendations, promotional content and custom CMS for managing promo content. Experience of working with large databases and data-based recommendations is a great benefit.

What you'll do:

  • Design and maintain REST APIs that deliver personalised content to downstream services, especially mobile
  • Build and operate AWS infrastructure with Terraform – containerised workloads, monitoring, CI/CD
  • Develop the content orchestration service and integrate recommendations from the Loyalty ML & AI tea...

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Submit your application for the Senior Fullstack Engineer (~80 - 90 k/y, Helsinki-FI, HYBRID) position at Kontraktori Group Oy.

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Job Overview

Job Type: Full-time
Location: Helsinki, Finland
Posted: February 28, 2026
Deadline: April 09, 2026