Founding Full Stack Engineer

Remote, USA
Posted Jun 14, 2026
Full-time

Why Seal


Seal is building out a P2P prediction protocol where bets are made with friends, not against a faceless house. We offer a fully decentralized, transparent, and user-centric betting experience, one without geographic restrictions, stacked odds, and slow payouts. Started by repeat founders from Y Combinator, Facebook, Brave, and MIT – our mission is to empower users to predict in a fair and competitive environment.

Why you should join

Culture is paramount for us. Our values are:

User-obsessed

Operate from first principles

Data-autonomous (go beyond data-driven)

The best ideas win

Transparency remains the ultimate disinfectant

Be comfortable being uncomfortable

Bias for action

The Role

Seal is looking for its founding full stack engineer. We are looking for an experienced engineer to help us build the next generation of tools for exploring and interacting with smart contracts. You will be responsible for designing and implementing systems/protocols that make Ethereum the bedrock of world finance.

Responsibilities

Write high quality and well tested code; scrutinize over other team members’ code

Architect, build, deploy and maintain the infrastructure underlying Seal’s product offerings

Collaborate with the design and product teams to craft first-class user experiences

Participate and own product improvement ideas from start to finish

Author or contribute to Ethereum Improvement Proposals

Minimum Requirements:

Based in the US

2+ yrs of engineering experience at a fast-pace startup

Extensive experience shipping significant full stack products all the way to launch

Demonstrated proficiency in TypeScript, JavaScript, Solidity, Go, Rust

Supremely curious

Web3 native

Excellent oral and written communication skills


Preferred Qualifications

Highly skilled in building with cloud infrastructure, networking, or orchestration with AWS (e.g. Docker, ECS, CDK, DynamoDB)

Extensive knowledge on the EVM and general Ethereum infra

Experience writing smart contracts

N.B. We welcome interest from candidates with varying levels of experience; many successful candidates do not meet every single requirement.

Benefits

Great compensation package (salary + equity)

Full health, dental, and vision insurance

Generous home-office stipends

Unlimited PTO

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