
Est. expiry Nov 6
Last seen Oct 4
Posted Oct 2 · 2 days ago
Open 2 days. This role usually stays open about 30 days
Senior Software Engineer
Senior Software Engineer for Supercell ID client SDK in Helsinki; hands-on role.
We are looking for a Senior Software Engineer to join the Supercell ID product team. Supercell ID connects hundreds of millions of players to Supercell’s ecosystem. We build the account and identity system that connects our games and web services into a cohesive player experience, covering everything from registration and login to account safety, compliance and identity. This is a hands-on product engineering role with significant responsibility for the success of our initiatives. You’ll build player-facing features in the client SDK embedded in every Supercell game, while helping decide what we should build and how it should work. You’ll collaborate directly with game teams and other teams across Supercell. Our client codebase is currently a mix of C++, Flutter and web technologies. Supercell's games are built in C++, and much of the integration between the games and the SDK you'd be working on is native code. Player-facing experiences and flows are currently mostly built with Flutter, while we're moving toward a future where most of our UX is delivered through webviews. You'll work with the codebase as it exists today while helping us make that transition. We don't expect you to have prior experience with every technology we use. What matters is that you can work across native and web boundaries, learn unfamiliar parts of the stack and choose solutions that work well for players and game teams.
The text above is the employer's original job description, extracted as written. Other details on this page, like salary, responsibilities, and requirements, are interpreted from that text by our system, not values the employer explicitly confirmed, so treat them as our best interpretation rather than verified facts.
Estimated from 4,274 comparable listings
| Market | Lower bound (25th percentile) | Median | Upper bound (75th percentile) |
|---|---|---|---|
| senior roles | €5,000 per month | €6,750 per month | €9,000 per month |
| This offer | €5,095 per month | €5,833 per month | €6,570 per month |
- Architect, build and ship the Supercell ID client SDK, shared code that runs inside every Supercell game across iOS, Android and other platforms.
- Build player-facing account experiences embedded in our games, balancing usability, account safety and the constraints of individual games and platforms.
- Lead implementation efforts: Collaborate with product managers, designers, analysts, game teams, legal teams, and more, take a software project from idea to market and into operations.
- Help shape what we build, not just how we build it. Use data, feedback and firsthand experience to identify problems and turn them into product improvements.
- Work directly with game teams to make integrations smooth, keep the SDK footprint small and understand the real-world problems they encounter.
- Take part in the team’s client support rotation, staying close to integration issues and production problems affecting game teams and players.
- Prior experience building consumer-facing mobile applications for iOS and/or Android using Swift, Kotlin, C++ or Flutter/Dart - or a mixture of those.
- You understand platform constraints and application lifecycles, and can diagnose performance and runtime issues.
- Willingness to learn the unfamiliar parts of our stack, and work on any part of the system.
- Comfort using modern development tools, including AI coding agents, as part of your everyday work.
| Location | Active listings |
|---|---|
| Helsinki, Finland | 271 |
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| Role level | Active listings |
|---|---|
| Senior | 142 |
| Manager | 71 |
| Mid-Level | 65 |
| Director | 12 |
| Intern | 11 |
| Executive | 7 |
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