About the role
Role Overview
Join Supercell and make the best work of your career. The Senior Software Engineer for Supercell ID will own and drive significant evolutions of the platform, setting technical direction, leading high-impact initiatives end-to-end, and raising the bar for player safety, reliability, and trust across the ecosystem.
Supercell ID connects hundreds of millions of players to the Supercell ecosystem. The team builds critical infrastructure and UX that links all games and web services together into a cohesive player experience. Key areas of focus include account safety, registration and login, compliance, identity, and Supercell-wide architecture for consolidating and packaging common account use cases.
Location and Logistics
- Location: Helsinki
- Format: Onsite
- Type: FullTime
Key Responsibilities
- Design, build, and operate a scalable, highly available, and secure platform for hundreds of millions of players.
- Own systems end-to-end – from architecture decisions through production operation.
- Collaborate with stakeholders (game teams, Player Care, Trust & Safety, Legal) to define requirements.
- Participate in 24/7 on-call rotation for production support.
- Take active part in planning and leading feature projects beyond just technical execution, from planning and scoping to shipping and operating.
Mandatory Qualifications
- Strong programming skills (Java and DynamoDB preferred, but experience in other stacks is valued).
- Experience owning and operating business-critical systems, including designing for failure, setting up observability, and managing production incidents.
- A security mindset; consideration of threats and vulnerabilities during design phases.
- Ability to break down complex problems into incremental deliverables that each bring value.
- Familiarity with cloud infrastructure (AWS preferred) and infrastructure-as-code (Terraform).
- Proficiency using modern AI-assisted development tools in day-to-day work.
- Experience driving cross-team projects and working with non-engineering stakeholders.
- Comfort with ambiguity and a strong sense of ownership.
Preferred Qualifications
- Experience with identity/authentication systems (OAuth, OIDC, session management).
- Experience building multi-region systems with high availability goals.
- Experience developing AI-assisted engineering workflows or tooling.
Why This Role
- Scale: Work reaches hundreds of millions of players across all Supercell games and services.
- Ownership: Small team, big responsibility; shape technical direction rather than just executing tickets.
- Impact: Supercell ID is foundational infrastructure that matters to every game team and player.
- Environment: High autonomy, low bureaucracy.
Company Information
Supercell is a games company from Helsinki, Finland, known for Hay Day, Clash of Clans, Boom Beach, Clash Royale, and Brawl Stars. The company operates on the principles of putting together the best teams, giving them freedom and independence, and taking risks. Independent cells and trust are at the core of the company culture.
Benefits and Perks
- Relocation: Support provided by a dedicated mobility team and partners to assist with moving, including family members and pets.
- Recruitment Process: Support for specific accommodations is available upon request to facilitate the recruitment process.