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Ellipsis Labs

Senior Software Engineer

New York, New York
Salary
$170K - $250K
Level
Senior

Not stated in the posting: work type, visa.

Open. First seen 2 October 2026.

About the role

Ellipsis Labs's standard text

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

What this role asks for

In most of Ellipsis Labs's ads

Blockchain

Named in most of its open postings, whatever the role.

87% of this description is written for the role. The rest is Ellipsis Labs's standard text, folded away below.

Read against Ellipsis Labs's other open postings on this site.

The team: Engineering

This role is one of 9 open in Engineering.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Blockchain (9 of 9), Rust (6 of 9), C (5 of 9), C++ (5 of 9), AWS (3 of 9), Golang (3 of 9), React (3 of 9)

OTHER ROLES ON THIS TEAM

From the team and dates on Ellipsis Labs's own job board.

Salary context

316 other open postings titled Senior Software Engineer state a salary: median USD 160,000 to USD 220,000 a year.

See Software Engineer salaries in New York →

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