Engineer – Blockchain Data & Execution
📍 GMT+7
Product-minded engineer building on-chain execution infrastructure and data systems for DeFi protocols. Open for co-founder roles. Experienced in blockchain indexing, data ingestion pipelines for DeFi yield protocols, non-custodial trade wallets, AA bundling, trading contracts.
Salary
USD 48,000 – 84,000
SQD.dev
Mar 2025 — Apr 2026
Worked on personalized AI agent for vibe trading. Led execution engine creation: engineered non-custodial trade wallet, built custom userop bundling for batching ops across multiple wallets, built trading contracts ($79K+ trading volume), custom ZeroDev AA policy, and owned full-cycle devops setup/monitoring/alerting. Also implemented data ingestion pipelines for 100x runner detection covering V2/V3/V4 DEX swap prices (800M events), liquidity (3B events), ERC20 holders, transfers (1.4B events), and whale tracking.
overnight.fi
Oct 2024 — Feb 2025
Yield rebase stablecoin backed by delta-neutral strategies ($20M TVL). Stabilized daily payout process (60% fewer errors), improved transaction throughput and gas usage. Led USD+ stablecoin Sonic migration and OVN+ staking projects, implemented Silo lending market strategy. Automated data scraping and ops for Binance and Vertex integrations.
Yoki.finance
May 2023 — Sept 2024
Web3 recurring payments gateway. Assembled, hired and led an engineering team of 3. Delivered MVP as a hands-on technical co-founder. Tech: NodeJs, Golang, GitHub Actions.