Responsibilities :

- Design and implement RESTful APIs and WebSocket services for real-time betting operations.

- Build and maintain Solana blockchain integrations using the Anchor framework.

- Develop smart-contract interaction layers and transaction-signing flows.

- Implement core business logic for order matching, bet settlement, and P& L calculations.

- Design and optimize PostgreSQL database schemas with Prisma ORM.

- Build Oracle integrations for sports data (Cricket, Tennis, Football).

- Implement role-based access control and multi-tenant architecture.

- Deliver production-quality code with comprehensive testing and error handling.

Requirements :

- Backend: Node.js 20+, TypeScript 5x, Express.js, PostgreSQL + Prisma, Solana Web3.js / Anchor, Socket.io, JWT, Jest, Docker.

- Frontend: Next.js 14 (App Router), React 18 TypeScript 5 x, Tailwind CSS, Framer Motion, React Hook Form, Context API

Preferred Attributes :

- Experience writing or collaborating on Solana smart contracts (Rust / Anchor).

- Knowledge of betting, trading, or order-matching systems.

- Understanding of financial calculations, P& L tracking, and market data.

- Familiarity with sports data APIs and Oracle systems.

- Experience with Supabase or similar BaaS platforms.

- Understanding of FIFO matching, order books, and market-making mechanics.

- Strong debugging ability and experience in production monitoring.