Ellipsis Labs
Fintech & PaymentsDirect Ashby career site

Senior Backend Engineer

Location
New York, NY
Job type
Full-time
Level
Senior
Experience
3+ years
Listed
30 days ago

Skills & highlights for this role

  • Rust
  • C++
  • Unix systems
  • AWS

Also useful

  • Solana
  • quant trading
  • Golang

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

About Ellipsis Labs

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
Read the original posting

From Ellipsis Labs's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

Rolev.ai is a job search and application tool for US job seekers. For this Senior Backend Engineer role at Ellipsis Labs, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.

  • See how you fit

    Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.

  • Tailor without inventing

    Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.

  • Draft the full kit

    Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.

  • 1-Click Extension Autofill

    The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.

Start free with 5 tailored applications a monthChrome extensionFor AI assistantsPricingHow Rolev.ai comparesApplication guides

Similar roles

All Software Developer jobs

Common questions

Where is the Senior Backend Engineer job at Ellipsis Labs located?

This Senior Backend Engineer position at Ellipsis Labs is located in New York, NY. Always check Ellipsis Labs's application page for specific state eligibility or relocation policies.

What qualifications are required for Senior Backend Engineer at Ellipsis Labs?

For the Senior Backend Engineer role, Ellipsis Labs highlights 3+ years of relevant experience; experience with Rust, C++, Unix systems, AWS. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Senior Backend Engineer position at Ellipsis Labs?

This listing links directly to Ellipsis Labs's Ashby application page. You can apply directly on Ellipsis Labs's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Ashby application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.

Tailor resume & applyCompany site