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Senior Backend Engineer

Ellipsis Labs · Not provided by source

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Last seen by MeritLog September 12, 2026Source: AshbySource version: ashby-public-job-posting-v1

Source: the employer's Ashby job board. Open the original listing for current details. Availability is not verified for this retained page.

Job details

Work model: Not provided by source
Salary: Not listed by source
Location: New York, New York

What the role asks for

What they're asking for

3+ years of experience building and maintaining production-grade software systems (preferably in Rust, C++, C, or Golang), with high-quality and well-documented production codeExperience
3+ years of experience with Unix systemsExperience
Experience working with cloud infrastructure, preferably AWSSkill
Ability to make informed engineering decisions based on relevant business contextSkill
A demonstrated track record of high agency, willingness to dive into unfamiliar technical and non-technical areas, and a team-first attitudeSkill
Passion for decentralized financeSkill
Experience working with blockchain technology, specifically SolanaSkillPreferred
Experience in quant trading or fintechSkillPreferred
Proficiency in RustSkillPreferred

Parsed by MeritLog from the employer’s own posting. The full description follows below.

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. Ellipsis Labs is seeking a Senior Backend Engineer to join our team. As an early-stage startup, we appreciate bright generalists who can iterate and ship quickly. In this role, you will: - Build and maintain scalable production services. We currently support thousands of QPS, and future systems will need to handle at least another order of magnitude. - Implement systems to monitor performance at the micro- and nano-second level - Drive ambitious engineering initiatives (for example, realtime data indexing at scale) from inception to completion: specification, architecture, implementation, testing, monitoring, and maintenance QUALIFICATIONS REQUIRED - 3+ years of experience building and maintaining production-grade software systems (preferably in Rust, C++, C, or Golang), with high-quality and well-documented production code - 3+ years of experience with Unix systems - Experience working with cloud infrastructure, preferably AWS - Ability to make informed engineering decisions based on relevant business context - 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 - Experience in quant trading or fintech - Proficiency in Rust

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