Reaktor's tech community is looking for an experienced Senior Fullstack Developer to join one of our Business Units in Helsinki.

If you are comfortable working across modern web applications, backend services and production systems, enjoy solving ambiguous problems with clients, and are curious to work in a low-hierarchy environment, you might just be what we’re looking for.

You will support clients across a range of digital product, platform and service domains. The exact client context may vary from focused product teams to large international companies working on high-traffic, business-critical services.

Many of our clients are technically mature and expect a high level of expertise from our consultants. This means you will need to be hands‑on, pragmatic and comfortable helping both the client and the team make good technical decisions.

Your daily tasks may include:

• Building and improving modern web application...