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Ellipsis Labs

Senior Product 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 Product Engineer to join our team. In this role, you will:

  • Spec, build, and maintain professional-grade applications
  • Drive ambitious product initiatives (which may include entirely new product lines) from inception to completion: specification, architecture, implementation, testing, monitoring, and maintenance

Qualifications

Required

  • 3+ years of experience building user-facing software products with high quality and well-documented production code
  • Experience building great UX with modern frontend frameworks, specifically React + TypeScript
  • Ability to work across the product engineering stack
  • Ability to make informed product decisions based on relevant business context
  • Deep respect and empathy for users
  • 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

  • Experience working with blockchain technology, specifically Solana
  • Interest in quant trading or fintech
  • Product design or product management experience

What this role asks for

In most of Ellipsis Labs's ads

Blockchain

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

88% 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

31 other open postings titled Senior Product Engineer state a salary: median USD 160,000 to USD 230,000 a year.

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