Ellipsis Labs

Senior Software Engineer

New York, New YorkFull TimePosted Jul 6, 2026

Requirements at a glance

Senior Software Engineer at Ellipsis Labs is a full-time role based in New York, New York. It does not mention visa sponsorship. Key skills include C++, C, Go, and Rust. Applications are submitted through Ashby.

Visa sponsorship
Not mentioned in the posting
Application platform
Ashby

Skills in this posting

  • C++
  • C
  • Go
  • Rust

Extracted automatically from the job description. Confirm details in the full posting below.


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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