Senior Product Engineer

Ellipsis Labs is a profitable, venture-backed New York-based startup building differentiated products and infrastructure in decentralized finance. The company is the developer of Phoenix, the leading order book spot exchange on the Solana blockchain, and a top 10 DEX (decentralized exchange) with >$70B in volume since inception in 2023. Additionally, we are one of the most active and prominent on-chain market makers in crypto.

Ellipsis Labs is seeking a Senior Product Engineer to join our dynamic team. You'll play a pivotal role in shaping our product's future by owning end-to-end development of professional-grade, consumer-facing applications used by a wide external user base. This is NOT an internal tools role - you will be building products that real users interact with directly.

In this role, you will specify, build, and maintain scalable, high-quality applications that power our platform. You will also drive ambitious product initiatives from entirely new product lines to major features through the full lifecycle: ideation, specification, architecture, implementation, testing, monitoring, and ongoing maintenance. You'll be joining an existing team of 4 and report to our product engineering team lead.

You need to have strong product taste, strong computer science fundamentals, and experience and interest in working close to the end user.

• →Spec, build, and maintain professional-grade applications for a wide external user base
• →Drive ambitious product initiatives (which may include entirely new product lines) from inception to completion: specification, architecture, implementation, testing, monitoring, and maintenance
• →Acting half as PM, half as engineer, doing everything from talking to the end user to understand what features they want built, and then build them end-to-end in React/TypeScript

2–6 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 or TypeScript

Must have experience building consumer-facing products for a wide external user base (not internal tools)

• Experience working with blockchain technology, specifically Solana
• Interest in quant trading or fintech
• Product design or product management experience
• Passion for decentralized finance
• A demonstrated track record of high agency, willingness to dive into unfamiliar technical and non-technical areas, and a team-first attitude