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Ellipsis Labs

Senior Performance Engineer

New York, NY, USA

Job Description

Ellipsis Labs is a venture-backed New York-based startup building differentiated products in decentralized finance. Ellipsis Labs is a core contributor to Phoenix, the leading order book spot exchange on the Solana blockchain.

We take pride in our truth-seeking, first-principles team, with a shared ambition of building premier applications for the modern DeFi world.

All roles are in the Ellipsis Labs office in New York City.

The Opportunity

Ellipsis Labs is seeking a Senior Performance Engineer to join our team. In this role, you will:

  • Monitor, benchmark, and optimize systems where performance is critical

Qualifications

Required

  • 3+ years of experience in high-performance computing

  • Low-level systems experience

  • Ability to conceptualize systems at different levels of abstraction to identify performance bottlenecks

  • 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, preferably Solana

Benefits

  • Above-market salary and equity compensation

  • Unlimited and encouraged PTO

  • Health, dental, and vision insurance for employees and their dependents

  • Lunch and dinner provided at the office

  • Optional, company-paid travel to events and conferences

About Ellipsis Labs

First seen: February 3, 2026
Last updated: April 11, 2026