- Handle and troubleshoot requests from tech support and internal teams, including root cause analysis of complex issues (HTTP flows, API errors, web integrations, browser/client-side errors, performance problems). - Standardize solutions, prepare and maintain clear instructions and playbooks for L1 and L2 engineers. - Investigate product bugs and customer-facing errors, participate in their resolution together with Product and Engineering teams. - Proactively analyze logs to identify root causes, performance bottlenecks, and unusual patterns. - Analyze existing problems in production systems and set well-defined tasks for Engineers to fix them. - Automate routine and repetitive tasks to improve team efficiency. - Take part in on-call duties for incidents and help improve our monitoring, alerting, and response processes.

• Handle and troubleshoot requests from tech support and internal teams, including root cause analysis of complex issues (HTTP flows, API errors, web integrations, browser/client-side errors, performance problems). • Standardize solutions, prepare and maintain clear instructions and playbooks for L1 and L2 engineers. • Investigate product bugs and customer-facing errors, participate in their resolution together with Product and Engineering teams. • Proactively analyze logs to identify root causes, performance bottlenecks, and unusual patterns. • Analyze existing problems in production systems and set well-defined tasks for Engineers to fix them. • Automate routine and repetitive tasks to improve team efficiency. • Take part in on-call duties for incidents and help improve our monitoring, alerting, and response processes.

Senior Full Stack Engineer – Sportsbook (Remote) Location: Remote | Team: Sportsbook Engineering | Level: Senior 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. 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 Bonus Skills (Nice to Have): - 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 What We’re Looking For Must-Haves: - 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.

The Role We're looking for a Rendering Engineer who's passionate about real-time graphics and wants to work at the bleeding edge of GPU technology. You'll be designing and implementing visually stunning, technically demanding rendering workloads that stress-test the latest graphics hardware. This is an opportunity to craft the benchmarks that define what modern GPUs can do. Responsibilities - Design and implement cutting-edge rendering techniques for benchmark workloads - Develop real-time graphics pipelines using Vulkan, DirectX 12, Metal, or similar modern APIs - Create visually impressive scenes that showcase cutting edge rendering techniques - Optimize rendering code to maximize GPU utilization and expose hardware bottlenecks - Collaborate with the team to integrate AI/ML workloads into graphics pipelines - Profile and analyze GPU performance across different hardware vendors - Contribute to the development of new benchmark features and rendering technologies Requirements - 3+ years of professional experience in real-time graphics or game engine development - Strong proficiency in Rust or C++ and shader programming (HLSL/GLSL) - Deep understanding of modern graphics APIs (Vulkan, DX12, Metal) - Solid knowledge of rendering techniques: PBR, deferred/forward rendering, shadow mapping, post-processing - Experience with GPU profiling and performance optimization - Strong math fundamentals (linear algebra, 3D geometry) Nice to Have - Experience with ray tracing (DXR, Vulkan RT) and path tracing - Familiarity with mesh shaders, variable rate shading, and other modern GPU features - Experience with compute shaders and GPGPU programming - Knowledge of AI/ML frameworks (PyTorch, CUDA, TensorRT) - Contributions to open-source graphics projects or personal rendering experiments - Rust programming experience Why Join Us - Work on graphics technology that millions of users rely on to evaluate hardware - Access to the latest GPUs and hardware before public release - Collaborate with a small, talented team passionate about pushing graphics boundaries - Competitive compensation and equity - Flexible remote-friendly work environment - Opportunity to shape the future of GPU benchmarking