Software Engineer - 2027 Interns
Read straight from Ellipsis Labs's careers page, verified 1d ago.Seekless can tailor your résumé to it.
Seekless can write your résumé for this posting first.
Before you apply
SalaryNo pay range posted
LocationNew York, New York
Work modehybrid
Typeinternship
SeniorityEntry
DepartmentEngineering
Company size51–200 people
PostedMar 26, 2026 · 7mo ago
Verified live1d ago
May no longer be actively hiring
Posted by the company on Mar 26, 202671% of this company's open roles have been listed for 90+ daysNo pay range listed, though New York requires one
At a glanceSummarised by Seekless from the posting.
Hands-on experience building software in one or more languages such as TypeScript/JavaScript, Python, Rust, Java, C/C++
Solid CS fundamentals (data structures, algorithms, systems thinking)
Familiarity with Git and basic debugging
Ability to make informed trade-offs with business context; high agency and a team-first mindset
Curiosity about DeFi/crypto (prior domain experience not required)
Experience in one or more areas: full-stack web (React/Javascript), backend APIs/services, infrastructure/DevOps (Docker, CI/CD, cloud), or on-chain/low-level systems
Familiarity with blockchain technology (Solana a plus)
Interest or experience in fintech/trading
Rust or TypeScript proficiency
Skills
TypeScript
JavaScript
Python
Rust
Java
C
C++
Git
React
Docker
CI/CD
cloud
About the company
Ellipsis Labs is a profitable, venture-backed New York startup building performant DeFi protocols on high-throughput decentralized infrastructure. Our long-term mission is to build a more efficient, transparent, and fair financial system.
Our flagship product, Phoenix Perpetuals, brings professional-grade perpetual futures to Solana. Phoenix has processed over $4 billion in trading volume and is growing 20% month over month, adding to the more than $300 billion our products have facilitated to date. Behind Phoenix is a lean, high-caliber team with experience at top trading firms, blockchain companies, and tech companies.
About the role
Ellipsis Labs is seeking software engineering summer interns to join our team in 2027. As an early-stage startup, we appreciate bright generalists who can iterate and ship quickly. In this role, you will:
Responsibilities
•
Build real product features and/or platform components across the stack, front end, back end, infra, or on-chain, based on your skills and interest
•
Own scoped projects end-to-end: problem definition → design → implementation → testing → deployment → monitoring
•
Collaborate with design and engineering to deliver fast, reliable, and secure experiences
•
Instrument and improve performance, reliability, and observability; write clear tests and documentation
Qualifications
Required
•
Hands-on experience building software (courses, personal projects, research, or internships) in one or more languages such as TypeScript/JavaScript, Python, Rust, Java, C/C++; you write clear, tested code
•
Solid CS fundamentals (data structures, algorithms, systems thinking) and familiarity with Git and basic debugging
•
Ability to make informed trade-offs with business context; high agency and a team-first mindset
•
Curiosity about DeFi/crypto (prior domain experience not required)
Preferred
•
Experience in one or more areas: full-stack web (React/Javascript), backend APIs/services, infrastructure/DevOps (Docker, CI/CD, cloud), or on-chain/low-level systems
•
Familiarity with blockchain technology (Solana a plus)
•
Interest or experience in fintech/trading
•
Rust or TypeScript proficiency
More roles at Ellipsis Labs