Reaktor Innovations Oy logo
Reaktor Innovations Oy
Company insightsEmployer Score
Helsinki
Last seen September 18, 2026
Posted September 8, 2026 · 10 days ago
Open 10 days. This role usually stays open about 42 days
Est. expiry October 13, 2026

Machine Learning Engineer

Helsinki
Hybrid (Helsinki office)FinlandFull-time, Mid-Level
Estimated €3,835 - €4,822
At a glance

Machine Learning Engineer at Reaktor in Helsinki, hybrid and full-time

Original job description

Reaktor is a global technology consultancy designing and building category-defining digital solutions. We are looking for Machine Learning Engineers to join us in Helsinki. Turn proof of concepts and ideas into production-grade AI services. If you are interested in building and deploying bleeding edge machine learning models into production, where they continuously deliver tangible value to our customers, you might just be what we’re looking for. As a Machine Learning Engineer at Reaktor, your job is to turn proof of concepts and ideas into production-grade AI services, help your team succeed, and deliver results. At its core, Reaktor is a technology company that helps ambitious organizations become digital leaders. From premium software development to digital transformation, our global community of experts do it all. Your daily tasks include: Working with client tech/business teams to pick technologies, delivering client and team according to project needs, building, deploying, maintaining ML models for production reliability, creating architectures for continuous data gathering for ML training, building interfaces for delivering results to end users, other software development tasks, and designing scalable ML architectures. Requirements: Hands-on experience developing and deploying ML models; 3+ years often; experience with ML tools; understanding of ML techniques; IaC practices; cloud development; strong programming (Python); SQL; strong problem solving and communication; English and Finnish preferable. Why join us? Benefits include tools, phone and internet, lunch benefit, sports & culture, commuting & bike, extensive occupational healthcare, family support, extensive insurance, subsidized massages, open source program, and more. The team emphasizes DEI and a supportive environment. Remote options depend on project; sometimes fully remote.

The text above is the employer's original job description, extracted as written. Other details on this page, like salary, responsibilities, and requirements, are interpreted from that text by our system, not values the employer explicitly confirmed, so treat them as our best interpretation rather than verified facts.

How this salary compares
Estimated €3,835 - €4,822Est. take-home €2,829 - €3,342

Estimated from 3,536 comparable listings

76% below Mid-Level level roles
€3,835€17,363 median€21,446
Responsibilities
  • Working with client tech and business teams to pick technologies
  • Delivering client and team according to project needs
  • Building, deploying, and maintaining ML models for production reliability
  • Creating architectures for continuous data gathering for ML training
  • Building interfaces for delivering ML results to end users
  • Other software development tasks, such as debugging and architectural design
  • Designing scalable ML architectures that process large data volumes and deliver refined results
Requirements
  • Hands-on experience developing and deploying machine learning models
  • 3+ years of experience often in ML competencies
  • Experience with common ML tools, libraries, and platforms
  • Good grasp of common machine-learning techniques
  • Understanding of infrastructure-as-code practices (e.g. Terraform, CloudFormation, CDK)
  • Cloud development experience (AWS, Azure, GCP)
  • Solid programming foundation (Python required; other languages such as Java, Javascript/Typescript, C++ are a plus)
  • Experience working on data with SQL
  • You are a software engineer at heart and you don't leave a legacy behind
  • Good communication skills and the ability to work with clients to figure out their data needs
  • Fluency in both English and Finnish is preferable
Recruitment Process
  1. Application
  2. Initial screening
  3. Technical interview
  4. Offer
Financial overview
€92.2M
Revenue
€11.3M
Profit
12.0%
Profit margin
Reaktor Innovations Oy logo
Reaktor InnovationsOy · 12 open roles
Top locations: Helsinki, Finland · 9 · Turku, Finland · 3 · Tampere, Finland · 2+3 other locations
View company
Current open roles at Reaktor Innovations Oy on JobCrawls
LocationActive listings
Helsinki, Finland9
Turku, Finland3
Tampere, Finland2
Remote - Finland1
Amsterdam, Netherlands1
Lisbon, Portugal1
Current role mix at Reaktor Innovations Oy on JobCrawls
Role typeActive listings
Full Stack Developer4
Lead Developer2
AI Developer1
Business Development Specialist1
Senior Native Mobile Developer1
Native Mobile Developer1
Developer1
Head of Marketing1
Head of Communications and Investor Relations1
Machine Learning Engineer1
Current role-level mix at Reaktor Innovations Oy on JobCrawls
Role levelActive listings
Mid-Level7
Senior5
Executive2
Core values
DEILearning cultureCollaborationImpact

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