Senior Blockchain Backend Engineer — EVM / Smart Contract Lead

We're building the next-generation decentralized prediction market — fast, transparent, and community-driven. We’re re-imagining on-chain speculation with real utility and fun — a platform where users can create, trade, and settle markets on any event with real-time speed and gamified UX.We’re now looking for a world-class backend and smart-contract developer to take full ownership of the EVM backend architecture and program design — from protocol logic to APIs, data indexing, and live on-chain settlement.What You’ll BuildCore prediction market protocol (smart contracts, liquidity logic, resolution mechanisms).Backend infrastructure for real-time data updates, on-chain/off-chain syncing, and analytics.Secure APIs for frontend & partner integrations.Event-based oracles & automated market creation flows.Staking, settlement, and yield distribution modules.Admin and governance layer for market validation.CI/CD and deployment for testnet → mainnet rollout.You Should Have5+ years backend or blockchain engineering experience (Node.js, Go, or Rust).3+ years of EVM-based smart-contract development (Solidity, Hardhat, Foundry).Deep understanding of DEX/AMM mechanics, liquidity pools, and market resolution logic.Proven experience deploying and managing smart contracts on Base, Polygon, or Ethereum mainnet.Familiarity with event indexing (The Graph, custom indexers, oracles).Experience building secure APIs, WebSockets, caching layers, and on-chain data pipelines.Proficiency in PostgreSQL, Redis, AWS/GCP, and Docker/Kubernetes.Solid grasp of security, gas optimization, multisig flows, and upgradeable contracts.Bonus: prior work on prediction markets, perpetuals, or DeFi protocols.Nice-to-HavesExperience integrating with Chainlink, Pyth, or UMA oracles.Familiarity with on-chain verification, dispute systems, or governance frameworks (OpenZeppelin).Background in data streaming, Web3 analytics, or real-time trading UIs.