Senior Software Engineer – Backend (Supercell ID)

About the role

We are looking for a Senior Software Engineer to join the Supercell ID team within our Player Platform organization. In this role, you will own and drive significant evolutions of Supercell ID: setting technical direction, leading high‑impact initiatives end‑to‑end, and raising the bar for player safety, reliability, and trust across our ecosystem.

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 to define requirements.
• Participate in a 24/7 on‑call rotation for production support.

Required profile

• Strong programming skills (Java and DynamoDB, with openness to other stacks).
• Experience owning and operating business‑critical systems, designing for failure, and setting up observability.
• A security mindset, considering threats and vulnerabilities during design.
• Ability to break down complex problems into incremental, value‑adding deliverables.
• Familiarity with cloud infrastructure (AWS preferred) and infrastructure‑as‑code (Terraform).
• Proficiency with modern AI‑assisted development tools.
• Experience driving cross‑team projects and working with non‑engineering stakeholders.
• Comfort with ambiguity and a strong sense of ownership.

Required skills

• Java
• DynamoDB
• AWS
• Terraform
• AI‑assisted development tools
• OAuth
• OIDC
• Session management