Senior Programmer, Engine Reliability

Stack

Responsibilities

• ▹Build and evolve automated reliability foundations: validation workflows, regression detection, integration stability, performance/stability signals
• ▹Establish realistic end-to-end validation surfaces across real devices and real services
• ▹Improve how shared engine changes are validated against real game integrations
• ▹Create and maintain tooling, infrastructure, and test surfaces for engine and horizontal teams
• ▹Partner with client, server, and live-ops teams to make systems more testable
• ▹Apply modern AI-assisted workflows to validation, automation, and test generation in well-guardrailed ways
• ▹Contribute directly to priority technical work where improving testability unlocks broader reliability gains

Requirements

• ▹Strong professional experience in modern C++
• ▹Engine/runtime development experience, debugging complex cross-platform issues (iOS, Android, macOS, or Windows)
• ▹Strong instincts around testing and validation strategy: trade-offs between unit, integration, and end-to-end testing
• ▹Experience with build systems, automation, and developer tooling (CMake, CI pipelines, scripting)
• ▹Strong collaboration skills across teams without unnecessary process overhead
• ▹Interest in AI-assisted engineering workflows with good judgment about where they add leverage
• ▹Comfort operating in ambiguous space, helping shape a new team's practices

Nice to have

• ▹Experience with device automation, device farms, or test frameworks such as Catch2 or gTest
• ▹Experience with observability and debugging tools (Sentry, logs, metrics, tracing, dashboards)
• ▹Experience improving testability or validation in shared engine or platform code
• ▹Experience working across client and backend workflows, even with a client-side background
• ▹Hands-on experience using AI-assisted development tools day to day

Soft skills

What we offer

• ▹Freedom, trust, and independence at the core of Supercell's cell-based culture
• ▹Relocation support from anywhere with a dedicated mobility team
• ▹Human-centered compensation and benefits, no title-driven career ladder
• ▹Location: London or Helsinki

About the company

Supercell is a games company from Helsinki, Finland, with offices in San Francisco, Seoul, Shanghai, and London. It's the maker of Hay Day, Clash of Clans, Boom Beach, Clash Royale, and Brawl Stars. Its in-house Titan engine powers its highest-grossing mobile games.