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Ellipsislabs

Senior Performance Engineer

New York, New York

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hirly's read of this role

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 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

Original posting on Ellipsislabs's site ↗

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