Join Polystar | Elisa Industriq: Shape the Future of Telecom

At Polystar, we’re committed to driving sustainability through cutting edge digital solutions. As part of Elisa Oyj, we are now looking for a communicative and proactive software engineer to join our team in Helsinki or Tampere and help us shape the future of the telecom industry.

What You'll Do

Innovate & Collaborate

• Innovate & Optimize: Work on high-volume data, distributed monitoring system, turning product requirements into powerful features.
• Improve & Evolve: Enhance continuous integration and delivery processes, refining both product and deployment pipelines.
• Solve Real Challenges: Address intriguing challenges across internal and production systems to help our clients deliver world-class service for their customers.

Who You Are

We’re looking for more than just technical skills; we want someone who is confident, curious, and comfortable navigating teamwork.

Strong Communicator: You enjoy teamwork, openly share ideas, and build positive relationships within and across teams. You're not afraid to ask questions, offer support, and drive conversations.

Technically Skilled & Keen to Grow:

• Kotlin development experience, or a strong Java background and eagerness to learn Kotlin
• Comfortable working with Kubernetes and containerized applications
• Curiosity about signaling, protocols, mobile networks, real-time systems, AI/ML, databases, or similar technical topics
• Enthusiastic about exploring modern technologies and high-performance systems.
• You take full advantage of AI powered tooling for software development.

Our Tech Stack

• Backend: Kotlin (Java as a strong foundation)
• Frontend: TypeScript + React (nice to have)
• CI/CD: GitHub Actions
• Containerization: Docker, Kubernetes
• Databases & Search: PostgreSQL, OpenSearch
• Messaging: Apache Kafka

What You Can Expect From Us

A Collaborative, Supportive Team: You’ll be part of a team that communicates openly and works well together. We help each other, share what we know, and keep things practical. We believe good collaboration comes from clarity, respect, and supporting each other.

Engaging Technical Challenges: Work on systems handling massive data volumes for 100+ live telecom customers. Your ideas and initiative will directly shape our solutions.

Real Learning Opportunities: We’ll help you fully understand our solutions - while your teammates support your induction and onboarding.

A Growing, Global Organization: Be part of a 300 people, 20 country Polystar community (part of 1500+ strong Elisa Industriq in 30 countries) that values innovation, creativity, and the people behind the technology.

Ready to Join Us?

Apply today and help us drive the next wave of innovation at Polystar | Elisa Industriq!

(Note: Final candidate will undergo a background check.)