sergiutont
Full Stack Engineer
Full-stack engineer with 5+ years experience building developer-facing tools, scalable backend infrastructure, and Web3 platforms. Comfortable owning products end-to-end across startups, solo projects, and production environments.
Yearly salary: $66,000
Hourly rate: $40
Nationality: 🇷🇴 Romania
Residency: 🇷🇴 Romania
Experience
Full-Stack & Blockchain Developer
Moonlet / Tiexo 2021 - 2025
- Led development of a multi-chain NFT marketplace aggregating 10M+ NFTs and 500K+ collections across Solana, Sui, Ethereum, and Bitcoin - Architected indexing and integration pipelines for NFT data ingestion and searchability - Built full mobile NFT interface with Backpack wallet and Solana Saga phone integration (React Native) - Developed a cross-chain staking dashboard enabling asset staking on Zilliqa, Solana, Sui, and Ethereum - Managed validator infrastructure across chains with automated monitoring via Prometheus and Grafana - Automated DevOps workflows for RPC uptime, CI/CD deployment, and chain-specific health checks
Skills
docker
linux
nestjs
nextjs
node
react
rust
solana
typescript
full-stack
english