Ellipsislabs
Senior Product 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 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
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