Staff Protocol Engineer
Fomo Labs · New York City
About this role
## About FOMO FOMO is a trading app for the rest of us—sign up in seconds and start trading right away (no prior experience needed). Our social features are actually useful: follow top traders, see their full portfolios and trades, and find opportunities early. Under the hood, we deliver best-in-class execution and data for experienced traders. - Onboarded **3.4M+ users** in just over a year - **$28B+** collective trading volume - **$100M+** revenue since launching (May 2025) - Raised **~$100M** from T1 investors (Benchmark, Index Ventures, Union Square Ventures) Website: https://fomo.family/ X: https://x.com/fomo ## About the Team You’ll join an engineering team of **12**: **4 frontend** and **8 backend**. The team has experience building at scale from companies like Google, Pinterest, Snap, Two Sigma, Square, and dYdX. Learn more: https://stealth-harmonica-74d.notion.site/Work-at-fomo-3d6bac0068ef80db81e2f2d8e65b780e ## About the Role (Staff Protocol Engineer) Every trade on FOMO ends up onchain. As a **Staff Protocol Engineer**, you’ll own the systems that make trade settlement **fast, safe, and reliable** for millions of users—from smart contracts that settle trades to offchain services that route, trigger, and track them. **You’ll work on things like:** - Designing and shipping **smart contracts** for trade execution (security, simplicity, gas efficiency) - Building **cross-chain execution** (solver + intent-based routing) for best fills across chains - Owning **trigger execution** for limit orders, stop losses, and automated trades (correct timing under heavy load) - Designing the **read side**: indexing + serving onchain data with low latency for portfolios, PnL, and the social feed - Debugging hard **production EVM issues** (reverted transactions, gas spikes, chain reorgs) - Setting the bar for **protocol security** via design reviews, testing, and working with external auditors - Partnering closely with the backend team and founders with real ownership of the onchain stack direction **Location:** In-person in **NYC** (Manhattan). ## Minimum Qualifications - **Staff+ level** engineer (**6+ years**), able to plan and execute autonomously - Deep understanding of the **EVM**, with production experience shipping **Solidity** smart contracts - Built offchain systems that interact with contracts at scale (execution bots, relayers, solvers, keepers, indexers) - Strong grasp of DeFi primitives: **AMMs, aggregators, MEV**, and how transactions land onchain ## Nice to Haves - Cross-chain infrastructure experience (bridges, intents, solver networks) - Experience with **Solana** or other non-EVM chains - Security tooling familiarity (Foundry, Slither, Echidna, formal verification) and experience through external audits - **Rust or Go** experience, or familiarity with client internals (geth, reth) - Active onchain trader (engineers use the app to improve it) ## Compensation & Benefits - Competitive cash compensation and equity - Comprehensive health insurance (medical, dental, vision) + tax savings benefits (HSAs/FSAs) - 401(k) with match - Group term life insurance - Flexible time off - Annual company offsites ## Equal Opportunity FOMO is an equal opportunity employer. They consider qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, or any other protected characteristic under applicable law. If you need a reasonabl
Listing freshness
CronJobs last confirmed this listing 1h ago. If its source stops confirming the opening for seven days, this page is removed from active inventory.