- languages
- TypeScript, JavaScript, Solidity, SQL, Python, Rust (basic)
- frontend
- React, Next.js, Vite, Tailwind CSS, shadcn/ui, TanStack Query, Zustand, Redux, responsive UI, PWA, data visualization
- backend
- Node.js, Express, tRPC, Zod, REST APIs, WebSockets, webhooks, background jobs, BullMQ, cron scheduling
- databases
- PostgreSQL, MongoDB, Redis, Drizzle ORM, Prisma, schema design, migrations, query optimization
- architecture
- API design, modular architecture, caching, multicall batching, scalability, multi-environment deployments
- web3
- EVM, smart contract integration, Foundry, wagmi, viem, ethers.js, wallet integration, Safe multisig, Zodiac Roles, UUPS proxy upgrades, CREATE2, contract deployment & verification, EIP-712 signing, Permit2, ERC-20, ERC-4626, access control
- defi
- DEX & intent protocols (Uniswap, CoW, 1inch), lending (Aave), oracles (Chainlink, Pyth), hedging, P&L, reconciliation, treasury management, CEX integration (OKX, Binance)
- security
- authentication, RBAC, key management (AWS KMS), secrets management, audit remediation, logging, monitoring, retry handling, incident analysis
- integrations
- third-party APIs, exchange APIs, RPC providers, The Graph, webhooks, Telegram alerts
- devops
- Git, GitHub, Docker, Kubernetes, GitHub Actions, CI/CD, Google Cloud
- quality
- code reviews, Vitest, Jest, React Testing Library, Postman, ESLint, Prettier, root cause analysis, debugging, defect prevention
- automation
- workflow optimization, report automation (Puppeteer)
- ai
- Claude Code, Codex, AI agents, agent skills, MCP, prompt engineering, AI-assisted code review