Senior Fullstack Engineer
Reya is a decentralized perpetuals exchange built on Ethereum, offering fast, secure, and permissionless trading of crypto perps, RWA perps, staking, and spot markets. It serves crypto traders seeking CEX-level speed with full self-custody and Ethereum-grade security.
About Reya
Reya positions itself as 'Ethereum for traders,' operating a high-speed perpetuals exchange currently running as an L2 on Arbitrum Orbit, offering zero gas fees, MEV protection, and yield-bearing collateral (srUSD and wstETH). The organization is building 'Reya Evolution,' the first trading venue enshrined in Ethereum L1, using a modular, Ethereum-native stack with based rollup architecture, delegated sequencing, and ZK finality, aiming for millisecond execution and zero maker/taker fees. Reya enables self-custodial trading of perps, spot, staking, and real-world assets (RWAs) in one permissionless venue, targeting traders who want TradFi-level performance without intermediaries. The platform is backed by investors including Framework Ventures, Coinbase Ventures, Fabric Ventures, Amber Group, Wintermute, Selini Capital, Brevan Howard Digital, CMS Holdings, ROBOT Ventures, and Backed VC, and has launched a $REYA token ICO via CoinList.
Skills
About the Role
You will build and maintain React trading interfaces and TypeScript backend services. You will develop real-time features using WebSockets, design REST and WebSocket APIs, create event-driven data pipelines, index blockchain events, connect smart contracts with off-chain services, and maintain comprehensive tests and API documentation. You will also optimize frontend performance and collaborate with product, design, and quant stakeholders.
Requirements
- 6+ years of professional experience in fullstack development
- Deep expertise with TypeScript across frontend and backend
- Strong experience with React and modern state management
- Experience building and consuming REST APIs and WebSocket protocols
- Proficiency with Node.js or Bun
- Experience with PostgreSQL and an ORM such as Prisma
- Familiarity with Redis or similar caching and pub/sub systems
- Knowledge of unit integration and end-to-end testing methodologies
- Effective communication in a fully remote cross-functional team
- Experience with Rust or C++ is preferred
- Familiarity with ethers.js or viem and client-side wallet integration is preferred
- Knowledge of Kafka Google Pub/Sub or similar messaging systems is preferred
- Experience with Datadog Prometheus or Winston is preferred
Responsibilities
- Build and maintain the React-based trading UI
- Implement real-time interfaces for order books price feeds and trade executions
- Own component architecture state management and responsive design
- Optimize rendering and minimize load times
- Design and maintain TypeScript services REST APIs WebSocket servers and background services
- Design event-driven pipelines for pricing and account data
- Own REST and WebSocket API contracts
- Maintain API documentation
- Index blockchain events and bridge smart contracts with off-chain services
- Develop unit integration and end-to-end tests
- Uphold CI quality gates and code review standards
- Work with product design and quant stakeholders
Benefits
- Fully remote work
