Data Architect

Reaktor's award-winning tech community is looking for Data Architects to join us in Helsinki or Tampere.

Turn messy reality into data systems that make sense — and stay that way.

If you enjoy designing pragmatic data systems that help real organizations make sense of complex information systems, and you like being hands-on when needed, you might be just who we’re looking for.

As a Data Architect at Reaktor, your job is to design practical, scalable data systems, guide your team through complex data landscapes, and help clients turn information into real-world impact.

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 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 to understand their data landscape and help choose the right tools and architecture

• Designing scalable, cloud-native data systems that support analytics, reporting, and AI use cases

• Collaborating with delivery teams to guide data architecture choices and ensure technical alignment throughout the project

• Modeling data using fit-for-purpose approaches — from classic frameworks like star schema to more flexible, modern solutions

• Supporting new project proposals by shaping data platform strategies and solution architectures in the sales phase

• Getting hands-on when needed with data engineering tasks such as setting up pipelines, databases, or integrations

• Helping clients navigate data governance, compliance (like GDPR), and long-term maintainability of their data assets

You enjoy turning messy, fragmented data environments into clear, scalable systems that help organizations make better, faster decisions.

To thrive in this position, you'll need

• Experience designing and implementing scalable data architectures across cloud platforms (e.g. AWS, Azure, GCP)

• Hands-on data engineering skills with data platforms (e.g. Snowflake, Redshift) — from setting up pipelines (e.g. Databricks, dbt) to working with data lakes, warehouses, and databases

• A strong grasp of data modeling techniques (e.g. star schema, data vault) and when to use them

• Familiarity with infrastructure-as-code practices and DevOps principles in the data context

• Solid programming skills (e.g. Python required, other languages are seen as advantage)

• Familiarity with a variety of databases and a strong grasp of SQL

• Understanding of batch and streaming data processing frameworks

• Knowledge of data governance, security, and regulatory requirements (e.g. GDPR)

• Experience working with large organizations and navigating complex IT ecosystems

• Good communication skills and the ability to work with both technical and non-technical stakeholders - you’re comfortable speaking with enterprise architects

• Fluency in English

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.

While working at Reaktor, we’ll provide you with:

• The ability to impact how you work. Together with the client, your team chooses the approach, technologies, and methodologies you think will work best in any given situation

• A community with as much support as your heart desires

• A team that’s not only experienced but considerate as well – they all want you to succeed

• A sustainable work-life balance and support for your daily life outside of work. (e.g., free moving day, Reaktor car share, sick child care services, office space to use for your private events, etc.)

• An opportunity to grow as a professional. In addition to the day-to-day work, we offer internal training courses, community events, and 15-minute coffee breaks to discuss hot topics in tech and design

• A possibility to take part in more extended academy-like studies like Cloud Academy

• 300+ hobby clubs, from winter swimming and running to knitting and archery, that bring people together outside of (and sometimes inside) office hours. Many of these are supported by Reaktor

Diversity, equity, and inclusion

Together, we are committed to making Reaktor an environment that embraces and values all of our employees for the whole of who they are. We encourage applicants from all backgrounds to apply, knowing that studies show that members of underrepresented communities don’t apply for jobs unless they fully satisfy all of the requirements. If you're thinking twice about applying for this reason, we invite you to send us your application anyway. You could be just the person we're looking for.

Read more about our DEI work here.

Interested? Drop us a line – We'll be happy to hear from you!