Senior Product Engineer

Ellipsis Labs

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New York, New York Until 8/22/2026 H-1B sponsor history First posted March 20, 2025 Last posted March 20, 2025
Job description

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

Compensation (from employer):
$170K – $250K • Offers Equity

About this role

Summary

Build and maintain high-quality user-facing applications, drive product initiatives from inception to completion.

Job title

Senior Product Engineer

Experience level

3+ years

Industry

software

Location requirements

New York-based, remote work not specified

Salary

$170K – $250K

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

reacttypescriptfrontendsoftware engineeringUX

Preferred skills

blockchainsolanafintechproduct designproduct management

Specializations

frontenddecentralized financeblockchainfintech
Locations

Structured locations inferred from the posting.

New York, NY, USA

Work arrangement unknown City