Reaktor logo

Senior Software Engineer - Reaktor - Helsinki, Finland

Software Engineer

Posted: January 6, 2026
Posted 183 days ago
Last seen in crawl: July 7, 2026 (1d ago)
Estimated Expiry: February 10, 2026
Location
Remoteness
Role & Management
Role Level:Mid-Level
Management Tier:No People Management
Job Type
Required Languages
Optional Languages

Job Description

Reaktor is seeking a full-stack developer experienced in the entire software development lifecycle, with skills in frontend, backend, and infrastructure, to work in Helsinki. The role involves collaborating with clients, implementing features, and participating in architecture design.

Company Information

Reaktor logo
Technology
Current open roles at Reaktor on JobCrawls
LocationActive listings
Helsinki, Finland31
Tampere, Finland14
Turku, Finland7
Remote - Global7
Amsterdam, Netherlands1
Current role mix at Reaktor on JobCrawls
Role typeActive listings
Software Engineer20
Full Stack Developer2
Data Engineer2
Software Developer2
Data Architect2
Mobile Developer2
Lead Developer2
Developer2
Software Architect1
Human Resources Specialist1
Business Development Lead1
Data Scientist1
Product Management Lead1
Sales Representative1
Sales Director1
System Administrator1
AI Developer1
Sales Coordinator1
Account Manager1
Machine Learning Engineer1
Lead Software Engineer1
Current role-level mix at Reaktor on JobCrawls
Role levelActive listings
Mid-Level21
Senior8
Mid-level5
Intern1
Manager1
Junior1

Reaktor appears in 60 indexed job postings in JobCrawls' Finland dataset since April 2024. In that historical index, the strongest location signals for this employer are Helsinki, Finland, Tampere, Finland, and Turku, Finland.

Data shown is based on historical job postings from our database.

Job Details

Responsibilities

  • Collaborate with clients and teams
  • Implement new features
  • Design and debug software
  • Participate in architecture creation

Requirements

  • Experience in full-stack development
  • Knowledge of TypeScript/JavaScript and Node.js
  • Experience with React or similar frameworks
  • Knowledge of databases like PostgreSQL
  • Understanding of DevOps and CI/CD
  • Fluent English skills
  • Finnish skills are a plus

Skills & Technologies

TypeScriptJavaScriptNode.jsReactPostgreSQLDevOpsCI/CD

Education Level

Bachelor

Recruitment Process

  1. 1
    Apply online
  2. 2
    Interview process
1 day agoContent Complete

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