Machine Learning Engineer
Reaktor, Helsinki
- Pay
- Not listed by the employer
- Work type
- Hybrid
- Level
- Not stated
- Area
- ML / AI engineering
- Posted
- Sep 4, 2026
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About the role
Reaktor is 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 – here https://www.reaktor.com/work are some of our most recent digital ventures to give you an idea of what that means.
Your daily tasks include:
- Working together with the client’s tech and business teams and helping them pick the right technologies suitable for their needs
- Delivering the client and the team according to the needs of the project
- Building, deploying, and maintaining ML models that serve users reliably in production day after day.
- Creating architectures for the continuous gathering of new training data for ML models
- Building interfaces for delivering the results of ML models to end users
- Other software development-related tasks, such as debugging, designing, and participating in creating the architecture
You enjoy designing scalable machine learning architecture that processes vast quantities of data and delivers refined results to end users.
To thrive in this position, you'll need
- Hands-on experience in continuously developing and deploying machine learning models
- We don’t have a hard limit on years of experience, but we’ve noticed that these Machine Learning competencies often take 3+ years to accumulate
- Experience with common tools, libraries, and platforms in the field of machine learning
- A good grasp of common machine-learning techniques
- An understanding of infrastructure-as-code practices (e.g. Terraform, CloudFormation, CDK)
- Cloud development experience (AWS, Azure, GCP, etc.)
- A solid programming foundation (Python required, other languages are a plus, for example, Java, Javascript/Typescript, C++)
- 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
Why join us?
For two decades, we’ve been developing qualities and capabilities for adapting, reacting, and supporting change – building Reaktor to hold up in a fast-paced environment while ensuring the well-being of our people.
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Listed on Reaktor's Ashby job board; checked 1 h ago. First seen by us 33 h ago. Being listed doesn't mean the team is actively interviewing. We found this board in a public directory and haven't yet confirmed it against the company's own careers page.