Senior Full Stack Engineer - Sportsbook (Remote)

We're looking for a Senior Full Stack Engineer to join our Sportsbook team. You will play a central role in rewriting our entire sportsbook, integrating with an existing third-party Sportsbook API, building a new front end, and architecting additional backend layers required for performance, stability, and scale. This is a high-impact role with ownership over systems used by millions of players.

This is a fully remote role. We value autonomy, trust, and flexibility-and expect you to bring energy, ownership, and leadership wherever you work. What You'll Be Doing (Sportsbook Focus)

• Lead the full rebuild of the Winna Sportsbook, including architecture, development, and technical direction
• Migrate the platform to an existing Sportsbook API provider, ensuring clean integration and high reliability
• Build a brand-new Sportsbook front end using React and modern UI patterns
• Create new backend layers and microservices to power odds, markets, bet placement, settlement, and real-time updates
• Ensure ultra-low latency, high availability, and resilience across betting workflows
• Develop Node.js microservices supporting sportsbook operations, wallets, player accounts, and data flows
• Implement real-time communication channels (WebSockets, Pub/Sub, event-driven pipelines) for live markets and in-play betting
• Work closely with Product, Sportsbook Operations, Front-End, and DevOps teams to ship end-to-end features
• Build out monitoring, observability, and alerting for 24/7 uptime
• Implement and maintain best practices across code quality, testing, CI/CD, and reliability
• Mentor other engineers and contribute to a culture of technical excellence

Technologies You'll Work With Core Infrastructure

• React
• Node.js
• TypeScript
• PostgreSQL
• Redis
• RabbitMQ

• Datadog
• AWS
• CI/CD Pipelines
• Experience with Sportsbook systems, betting logic, odds feeds, or wagering platforms
• Experience integrating with 3rd-party APIs
• Familiarity with real-time event streams or sports data feeds
• Experience with AWS, Docker, Kubernetes, or ECS
• Leadership experience or mentoring background

Must-Haves What We're Looking For

• 7+ years of professional software engineering experience
• Strong proficiency in building scalable, reliable backend and frontend systems
• Strong Node.js experience for real-time or high-throughput services
• Solid experience with Postgres or similar relational databases
• Strong React experience for building performant, interactive interfaces
• Experience with CI/CD and modern development workflows

Nice-to-Have

• Background in Sportsbook, iGaming, crypto, or betting platforms
• Experience with distributed systems, real-time communication, or data ingestion
• Cloud or containerization experience (AWS, Docker, Kubernetes, ECS)
• Experience leading technical projects or mentoring engineers

Why Join Winna.com?

• Join a fast-growing, well-funded start-up building a next-generation crypto sportsbook
• Work with a top-tier engineering team in a collaborative, high-ownership environment
• Ship systems that will scale globally and handle massive traffic
• Enjoy a remote-first culture with flexible hours and no micromanagement
• Contribute to a product you'll be proud to build

What You'll Get

• Competitive Salary - top-of-market for top-tier talent
• Private Health Insurance
• ️ $1,000 Home Office Setup Budget
• Remote-First Work Environment
• ️ Generous Holiday Allowance
• Pension Matching
• Flexible Hours & Time Off
• Performance-Related Bonus

Ready to Build the Future of Crypto Sportsbook?

We're creating something bold and different-join us and help build the platform that will define the future of crypto betting and gaming. Seniority level

Join Winna.com - Help Build the Future of Crypto Sportsbook & Gaming Winna.com is redefining what's possible in crypto gaming-and now, we're expanding our vision with a next-generation Sportsbook platform. Our mission is simple: deliver a lightning-fast, seamless, and secure gaming and betting experience powered by cutting-edge blockchain technologies. We're building one of the most advanced crypto sportsbook and casino ecosystems in the world-and we're just getting started.