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About the Company

Our client is building a new kind of trading platform where attention becomes an asset. They’re developing a system that blends real-time social media trends with financial markets, allowing users to discover and trade the world’s most talked-about topics. If you’ve ever been fascinated by market design or the intersection of culture and finance, this is a rare opportunity to help shape a groundbreaking consumer trading experience.

• Early-stage team of ~8, all based in NYC
• Fully in-person, collaborative environment
• Everyone contributes directly—whether through code, design, or user interaction

Culture & Values

• Invent, Don’t Iterate: Focused on creating entirely new financial primitives rather than tweaking existing ones.
• Teach Through Product: The best tools reveal needs people didn’t realize they had.
• Everyone Builds: No bystanders—just tightly aligned operators solving hard technical and UX problems in person.

Role: Blockchain Engineer

You’ll join the core product team to design and build smart contracts and backend infrastructure powering new types of financial instruments. Expect to work on fast feedback loops, performance-critical code, and backend systems that abstract complexity for users while enabling novel market behaviors.

Key Responsibilities

• Build smart contracts for DeFi systems related to perpetuals, options, or order books
• Develop robust, high-performance backend services (Rust, Java preferred)
• Architect scalable systems and secure infrastructure
• Collaborate closely with product, design, and research teams

Requirements

• 4+ years of backend experience using Rust, Java, or similar modern languages
• Proven track record in DeFi protocols, ideally involving live contracts and real users
• Strong understanding of database systems and distributed infrastructure
• Startup mindset: self-directed, ownership-driven, and willing to push boundaries
• Clear communicator and effective collaborator

Bonus Points

• Deep knowledge of Solidity and smart contract tooling (Foundry, Slither)
• Parallelization expertise (e.g. optimistic concurrency, pipelining)
• Experience designing production APIs
• Familiarity with cloud systems (especially AWS)
• Contributions to open source or crypto projects

Tech Stack

• Backend: Rust, Java
• Smart Contracts: Solidity, Foundry, Slither
• Design & Research: Python, PyTorch

Compensation

• Competitive salary
• Significant equity upside on a standard 4-year vesting schedule

Listed in: Crypto Jobs, Developer Web3 Jobs, Solidity Crypto Jobs, DeFi Web3 Jobs, Research Web3 Jobs, Smart Contract Web3 Jobs, Web3 Crypto Jobs, Python Crypto Jobs, Java Web3 Jobs.