Fullstack Lead

JD #1: Backend Engineer (Node.js/MongoDB/Web3) Full-Stack Capable Position: Backend Engineer (Full-Stack with Backend Specialization) Location: Onsite / Hybrid Engagement: Full-Time (Contract also possible) About the Role Were building a next-generation crypto casino with Moon Originals games (Honeypot, Blackjack, etc.), wallet integrations (Solana/Ethereum), and game aggregators (Hub88/SoftSwiss). Were looking for a backend-focused engineer who can own core services (Auth, Wallet, Ledger, Game APIs) while also contributing to the React.js frontend for seamless integration with our Figma-based UI. Responsibilities Design and develop backend services in Node.js (Express/Fastify) with MongoDB Atlas & Redis. Implement wallet authentication (EVM wallets, Solana Phantom) and Google login. Build House Wallet system (deposit play withdraw) with double-entry ledger. Integrate third-party casino aggregators (Hub88 / SoftSwiss) including session management and callback handling. Develop and optimize real-time game services (WebSocket-based Honeypot, Blackjack, etc.). Ensure provably fair RNG implementation for original games. Optimize system for 100k+ concurrent users with Redis caching, load testing, and socket scaling. Work on frontend components in React.js for wallet UI, dashboards, and games integration.

Implement security best practices: JWT rotation, API rate limiting, data encryption, WAF-ready APIs. Collaborate on deployment & scaling strategy (Docker, API Gateway, Cloudflare). Requirements 3+ years of experience with Node.js and MongoDB. Strong knowledge of Redis for caching, rate-limiting, and leaderboards. Experience with Web3.js, Ethers.js, Solana Wallet Adapter. Proven experience with WebSocket development at scale. Good frontend skills with React.js + modern state management (React Query/Zustand). Experience with API design (REST/WebSocket), security, and scaling systems. Hands-on experience with payment/wallet integrations or crypto-based flows. Strong debugging, load testing (k6/Locust), and performance tuning skills. Nice-to-Have Casino/gaming background (RNG, provably fair systems). Aggregator integration (Hub88, SoftSwiss, or similar). Knowledge of microservices & event-driven architecture. Experience with PWA development. JD #2: Full-Stack Engineer Casino Games Development

Position: Full-Stack Engineer (Casino Games Development) Location: Onsite / Hybrid Engagement: Full-Time (Contract also possible) About the Role Were launching a crypto-native casino featuring Moon Originals and third-party aggregator games. Were looking for a full-stack engineer who can build end-to-end game experiences from backend APIs to React.js frontends that bring our Figma designs to life. Youll work on real-time game logic, wallet flows, and UI to deliver a smooth, secure experience to 100k+ players. Responsibilities Build game backends in Node.js with MongoDB and Redis (Honeypot, Blackjack, Fly Birdie Fly). Develop real-time WebSocket servers for crash games and live multiplier updates. Implement provably fair mechanics (seed/nonce handling, public verifiers). Integrate with house wallet APIs (deposits, cashback, withdraws). Create frontends in React.js matching Figma designs (responsive, PWA-ready). Develop casino UI features: leaderboards, live chat, MoonBet Bot, game lobbies. Optimize frontend for fast performance & real-time UX (100k+ concurrent users). Implement Web3 wallet integration (EVM wallets + Solana Phantom). Collaborate with backend wallet/auth engineers to ensure secure integration. Run E2E tests (deposit play win/loss withdraw). Requirements 3+ years of full-stack development (React.js + Node.js). Experience with game development logic in backend APIs. Strong WebSocket and real-time data handling experience.

Proficiency in React.js, Tailwind, and modern UI patterns. Understanding of Web3 wallet connections and crypto flows. Good knowledge of MongoDB Atlas & Redis for scalability. Ability to work from Figma designs with pixel-perfect UI execution. Experience writing secure, scalable code in high-concurrency systems. Nice-to-Have Prior work on casino/crash-style games. Experience integrating aggregator APIs (Hub88, SoftSwiss). Load testing & performance profiling (k6, Locust). Knowledge of microservices architecture.