Senior Software Engineer (m/f/d)
Sportradar4 hours ago
Ljubljana, SloveniaSenior
Responsibilities
- Extend the SDK architecture with new modules, integrations, and TypeScript definitions while maintaining quality and test coverage.
- Build responsive, themeable, accessible embeddable widgets from design mocks for use on partner pages.
- Integrate internal services and partner APIs across REST, WebSocket, and SSE, including retries, reconnection, caching, and graceful degradation.
- Develop and maintain AI-augmented engineering workflows, including context files, reusable skills, commands, and MCP server integrations.
- Maintain fast feedback loops with typecheck, lint, and test commands.
- Create developer documentation, runnable examples, and clear error messages for integrating partners.
Requirements
- At least 3 years of production JavaScript/TypeScript development experience.
- Strong proficiency in JavaScript and TypeScript, including DOM, event loop, modern bundling, and module formats.
- Daily experience with AI coding agents beyond basic prompting, including structuring projects for effective and safe agent use.
- 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.
- Preferred experience includes sports betting, iGaming, trading, or other real-time high-frequency data environments.
- Preferred experience includes unit, integration, browser automation, and visual regression testing, including tools such as Vitest and Playwright.
- Preferred experience includes third-party performance optimization, CI/CD, release automation, and AWS services and infrastructure.
Benefits
- Collaborative international environment with social events, team-building activities, Women in Tech, and Pride groups.
- Flexible working hours and autonomy in managing the workday and tasks.
- Global Employee Assistance Programme.
- Access to Calm and Reulay well-being apps and online training videos.
- Fully on-site work five days per week, with certain location-dependent exemptions potentially available.
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.