Staff Backend Engineer

Staff Backend Engineer (Remote) Location: Remote | Team: Core | Level: Staff Join Winna.com - Help Build the Future of Crypto Gaming. At Winna.com, we’re redefining what's possible in crypto gaming. Our mission is simple: deliver a lightning-fast, seamless, and secure gaming experience powered by cutting‑edge blockchain technologies. We're building the most advanced crypto casino platform in the world—and we’re just getting started. What You’ll Be Doing Lead backend architecture and design of highly scalable, low‑latency distributed systems. Build and optimize Node.js microservices supporting player accounts, wallets, game engines, leader boards, and event‑driven features. Ensure performance, reliability, and security of core APIs and services, handling high‑throughput transactional workloads. Design and implement real‑time communication (WebSockets, Pub/Sub, and event‑driven messaging). Collaborate cross‑functionally with product managers, front‑end engineers, and DevOps to deliver end‑to‑end features. Implement observability and monitoring to ensure system health and proactive issue resolution. Drive best practices across code quality, testing, CI/CD, and deployment processes. Mentor and guide engineers, contributing to team‑wide technical excellence and knowledge sharing. Technologies You’ll Work With Core Infrastructure NodeJS Typescript PostgreSQL Redis RabbitMQ Prisma Bonus Skills (Nice To Have Experience With) Datadog AWS CI/CD Pipelines Must‑Haves 10+ years of professional backend software engineering experience. Proven expertise in Node.js, building APIs and distributed services that handle high concurrency and low latency. Strong experience with relational databases and caching layers. Knowledge of messaging and event‑driven architectures. Solid understanding of system design, scalability, and performance optimization. Background in crypto or iGaming. PostgreSQL Experience. Experience with CI/CD pipelines and modern cloud environments. Experience leading technical initiatives and mentoring engineers. Knowledge of cloud deployment (AWS) and containerized environments (Docker, Kubernetes, ECS). Why Join Winna.com? Be part of a fast‑growing and well‑funded start‑up at the intersection of gaming and blockchain. Work with a world‑class engineering team—collaborative, autonomous, and impact‑driven. Build next‑generation systems with full ownership over architecture and implementation. Remote‑first culture with flexible hours, asynchronous communication, and no micromanagement. A product and mission you’ll actually be excited about. What You’ll Get Competitive Salary – We pay top‑of‑market for top‑tier talent. Private Health Insurance – Comprehensive coverage for your peace of mind. $1,000 Home Office Setup Budget – Build your dream remote workspace on us. Remote‑First Work Environment – Work from anywhere, collaborate globally. Generous Holiday Allowance – Take the time you need to rest and recharge. Pension Matching – Invest in your future with our employer‑matched pension plan. Flexible Time Off & Hours – We focus on output, not clocking in. Performance‑Related Bonus – We reward real impact. Hit goals, share the upside. Ready to Build with Us? We’re creating something bold and different—and we want the best minds to help us do it. If you're passionate about infrastructure, performance, and pushing tech boundaries, apply now and let’s build the future of crypto gaming together. #J-18808-Ljbffr