Ruby on Rails Developer – Senior

Overview: SOFTSWISS continues to expand its team and is looking for a Senior Ruby on Rails Developer. We need a skilled, proactive and accomplished professional who shares our culture and values and is ready to contribute to the development of cutting-edge gaming solutions.

About Product: SOFTSWISS Casino Platform Full-service modular software platform to manage online casino operations Learn More Purpose of the role: We're looking for an engineer who treats AI as a force multiplier rather than a shortcut: someone who ships fast with modern tooling, but still owns the architecture, the edge cases and the production behaviour of everything they deliver.

If you share our culture and values and want to build high-load gaming solutions used by millions of players, we'd love to talk.

Key responsibilities: You'll do design, build and evolve Ruby on Rails services that power our iGaming platform: high-throughput APIs, payment and wallet flows, real-time game integrations and back-office tooling.

Work in an AI-augmented workflow: use coding assistants and agents (Cursor, Claude Code, GitHub Copilot or similar) for scaffolding, refactoring, test generation and code review and take full responsibility for the quality of what gets merged.

Integrate LLM-based features into the product where they create real value: [fraud and risk signals, player-support automation, content generation, internal analytics copilots].

Own performance and reliability: profile hot paths, tune PostgreSQL queries, design caching and background-processing strategies, and drive incidents to root cause. Review code (human- and AI-written alike), mentor mid-level engineers and help set the team's standards for how we use AI responsibly and effectively.

Take part in architecture discussions, technical planning and cross-team initiatives. Required Experience: 4+ years of commercial Ruby on Rails experience; deep understanding of Ruby internals, Rails conventions and where to break them. Strong SQL and Postgr