Ellipsis Labs is a profitable, venture-backed New York-based startup building differentiated products and infrastructure in decentralized finance.
The company is the developer of Phoenix, the leading order book spot exchange on the Solana blockchain, and a top 10 DEX (decentralized exchange) with >$70B in volume since inception in 2023. Additionally, we are one of the most active and prominent on-chain market makers in crypto.
All roles are in the Ellipsis Labs office in New York City.
The OpportunityEllipsis Labs is seeking a Senior Software Engineer to join our team. In this role, you will:
Contribute to critical software systems at all parts of the stack
Design, develop, and deploy programs on the Solana blockchain
Maintain a high bar of security, correctness, and thoughtfulness around the code
Write high-quality, maintainable, well-tested code with thorough documentation
Experience building software systems (preferably in Rust, C++, C, or Golang), with high-quality and well-documented production code
A demonstrated track record of high agency, willingness to dive into unfamiliar technical and non-technical areas, and a team-first attitude
Passion for decentralized finance
Bachelor’s degree in Computer Science or related technical field or equivalent practical experience
Experience working with blockchain technology, preferably Solana
Experience working with Rust
Top Skills
What We Do
Ellipsis Labs is a venture-backed New York based startup building differentiated products in decentralized finance. Phoenix, our flagship protocol, is the leading orderbook spot exchange on the Solana blockchain.
Our commitment to creating sustainable solutions reflects our company's long-term approach and values. We take pride in our strong, in-person culture defined by our hard-working, mission-driven team.









