Senior Software Engineer (m/f/d)
Sportradar7 hours ago
Ljubljana, SloveniaSenior
Responsibilities
- Extend the SDK within its existing architecture with new modules, integrations, TypeScript definitions, and quality and test coverage.
- Build responsive, themeable, accessible embeddable widgets that render correctly inside partner pages.
- Integrate internal services and partner APIs across REST, WebSocket, and SSE with retries, reconnection, caching, and graceful degradation.
- Develop and maintain AI coding-agent workflows, including context files, reusable skills and commands, and MCP server integrations.
- Maintain fast feedback loops with typechecking, linting, and testing, and support agent autonomy.
- Maintain developer documentation, runnable examples, and clear error messages for integrating partners.
Requirements
- 3+ years of production JavaScript/TypeScript development experience.
- Strong JavaScript and TypeScript proficiency with browser fundamentals including the DOM, event loop, modern bundling, and module formats.
- Daily experience using AI coding agents beyond simple prompting, including structuring projects for reliable agent workflows.
- Experience consuming HTTP and real-time APIs, including browser-side authentication, CORS, and graceful failure handling.
- Sufficient CSS and layout skills to independently build moderately complex widgets from mocks.
- Clear written communication for a developer audience and sound judgment about when to ask for clarification.
- Preferred: sports betting, iGaming, trading, or other real-time/high-frequency data experience.
- Preferred: unit, integration, browser automation, and visual regression testing experience, including Vitest and Playwright.
- Preferred: third-party performance optimization experience involving bundle size, lazy loading, and host-page impact.
- Preferred: CI/CD, release automation, and AWS experience.
Benefits
- Fully on-site work in the office five days per week, with certain location-based exemptions potentially available.
- Flexible working hours and autonomy in managing the workday and tasks.
- Collaborative global work environment with social events, teambuilding, Women in Tech, and Pride groups.
- Global Employee Assistance Programme.
- Access to Calm and Reulay wellbeing applications.
- Online training videos.
Tech Stack
Categories
About Sportradar
Sportradar builds data, odds, and integrity services that power sportsbooks, iGaming operators, media companies, and sports federations. Its products include real-time sports data feeds, trading tools, virtual sports, integrity monitoring, and digital content, sold via SaaS and data-rights partnerships. Founded in 2001 and headquartered in St. Gallen, the NASDAQ-listed company covers more than a million events annually and works with organizations such as the NBA and UEFA.