Staff Backend Engineer

Posted 5 Hours Ago
Be an Early Applicant
New York City, NY, USA
In-Office
350K-500K Annually
Senior level
Fintech • Mobile • Social Media • Cryptocurrency
The Role
Build and scale backend systems for a crypto trading and social app, including trade execution infrastructure, onchain data ingestion, portfolio tracking, content recommendation engines, analytics pipelines, and infrastructure optimization. The role uses TypeScript and Go microservices with some Rust, offers cross-functional frontend contributions, and requires autonomous execution in an in-person New York City environment.
Summary Generated by Built In
About fomo

fomo is a trading app for the rest of us. With fomo you can sign up in seconds and have instant access to any asset on-chain without the need for external wallets, bridges or prior knowledge. fomo has social features that are actually useful - follow top traders (with full access to their portfolio and trades) and find tokens early. fomo does all of this while providing the best-in-class execution and data for experienced traders.

https://x.com/fomo

About the team

You'll be joining a team of nine on the engineering side: 4 frontend engineers, 5 backend engineers. Everyone on the team is crypto-native with experience from companies like dYdX, Uniswap, and OpenSea. We have high standards for ourselves and the people we work with.

About the role

Backend engineers at fomo work on a little bit of everything across all areas of the business - from crypto infra to social network scaling. Some things our engineers spend time thinking about:

  • Trade execution and infrastructure

  • Onchain data ingestion and portfolio tracking

  • Social network content recommendation engines

  • Analytics data ingestion and analysis

  • Infrastructure scaling and optimization

Our stack is mainly a TypeScript/Go microservices architecture (with a little bit of Rust).

Engineers at fomo aren't constrained to any specific area - while this is primarily a backend opening, we encourage our backend engineers to contribute to the frontend when it makes sense (and vice-versa).

This role is in-person in NYC. We have a strong in-person culture and just moved into a new spacious office in Soho.

Ideal candidate
  • Staff+ level engineer (6+ years of experience), able to come up with and execute on plans autonomously

  • Has experience building in crypto (Solana or EVM experience preferred)

  • Full-stack (React) experience is a plus

Personal crypto trading experience is a plus - everyone on our team trades, and it is what lets our product stand out amongst the competition.

Skills Required

  • 6+ years of software engineering experience
  • Experience building crypto products or systems
  • Solana or EVM experience
  • Full-stack experience with React
  • Personal cryptocurrency trading experience
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The Company
6 Employees
Year Founded: 2025

What We Do

Fomo Labs develops fomo, a social-first, cross-chain cryptocurrency trading platform available on web and mobile. The app lets users trade memecoins, altcoins, stablecoins, and other supported assets, follow traders, copy trades, and swap across supported chains without bridging. Its mission is to make onchain trading more accessible and social, helping users discover trends and participate in them quickly through a streamlined user experience.

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