Ellipsislabs
Senior Software Engineer
New York, New York
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hirly's read of this role
- Role family
- Engineering
- Seniority
- Senior
- Country
- US
- Work mode
- On-site / unstated
- First seen by hirly
- 10 Sept 2026
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the posting
Ellipsis Labs is a profitable, venture-backed New York-based startup building sustainable and efficient DeFi protocols on high-throughput decentralized infrastructure. Our long-term goal is to build a better financial system.
Our flagship product, Phoenix Perpetuals, brings professional-grade perpetual futures to Solana. Building on our experience developing efficient markets, Ellipsis Labs also operates SolFi, a proprietary automated market maker that provides efficient liquidity for key trading pairs. Our foundational product, Phoenix Legacy, is a limit order book on the Solana blockchain that established our expertise in operating high-performance markets. Combined, these products have facilitated over $285B in trading volume across Solana markets.
The Opportunity
Ellipsis 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
Qualifications
Required
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
Preferred
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
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