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Java Developer Startup Jobs in New York (NOW HIRING)

1872 Consulting

Senior Software Engineer

Manhattan, NY · On-site

$135K - $178K/yr

They are a startup, and this is a very unique opportunity to join their team inLocation: Austin, TX ... or GoLang (OR Java, C/C++)Knowledge of DevOps tooling: CI/CD tools, Git, Docker ...

New

1872 Consulting

Senior Software Engineer

Manhattan, NY · On-site

$135K - $178K/yr

They are a startup, and this is a very unique opportunity to join their team inLocation: Austin, TX ... or GoLang (OR Java, C/C++)Knowledge of DevOps tooling: CI/CD tools, Git, Docker ...

New

dMetrics

Senior Backend Engineer

Brooklyn, NY · On-site +1

In doing so, you will solve a wide variety of engineering challenges, ranging from data flow, to ... for a startup before. US Citizens or Green Card holders only. Qualifications * Java (5+ yr)

dMetrics

Senior Backend Engineer

Brooklyn, NY · On-site

In doing so, you will solve a wide variety of engineering challenges, ranging from data flow, to ... for a startup before. US Citizens or Green Card holders only. Qualifications * Java (5+ yr)

SpaceXAI

Software Engineer - X Money

New York, NY · On-site

$180K - $440K/yr

This is an opportunity to work on greenfield projects in a fast-paced, startup-like environment ... Java, and high volume streaming systems. * 2+ years of experience working on large scale consumer ...

Kale

Senior Software Engineer

Manhattan, NY · On-site

$134K - $177K/yr

... related role • Strong programming skills in Kotlin/Java, Javascript, React, GraphQL • ... a software startup. • Experience as a technical mentor. • Experience designing and building ...

NxT Level

Senior Technical Product Manager

Manhattan, NY

$182K - $211K/yr

Backend: Java, Redis, RabbitMQ, Kubernetes * Infrastructure: Terraform, Salt, GitHub Actions ... Collaborate with top-tier engineers and product leaders in an exciting startup environment

Adidev Technologies Inc

Junior IOS developer

Manhattan, NY · On-site

$56.75 - $78/hr

Hundreds of Fortune 1000 and innovative startup clients with thousands of successful projects ... Proficiency in Java and Kotlin (at least 1 year of experience). * Published at least 1 application ...

Adidev Technologies Inc

Junior IOS developer

Manhattan, NY

$56.75 - $78/hr

Hundreds of Fortune 1000 and innovative startup clients with thousands of successful projects ... Proficiency in Java and Kotlin (at least 1 year of experience). * Published at least 1 application ...

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All JobsJava Developer Startup JobsJava Developer Startup Jobs in New York

Java Developer Startup information

What is a Java developer startup?

A Java Developer Startup job involves designing, developing, and maintaining Java-based applications in a fast-paced startup environment. Developers work on scalable solutions, collaborate with cross-functional teams, and adapt to evolving product requirements. Unlike corporate roles, startup jobs often require versatility, problem-solving skills, and the ability to work with limited resources.

What are the key skills and qualifications needed to thrive as a Java developer in a startup?

A successful Java Developer in a startup environment should have strong proficiency in Java, object-oriented programming principles, and experience with frameworks like Spring or Hibernate, often backed by a degree in computer science or a related field. Familiarity with version control systems (like Git), CI/CD pipelines, and cloud platforms is highly valued, and industry certifications such as Oracle Certified Professional can be advantageous. Soft skills like adaptability, proactive problem-solving, and clear communication help developers collaborate in small, fast-paced teams. These competencies are essential for quickly delivering high-quality software and driving innovation in the dynamic startup landscape.

What kind of work environment and team structure can I expect as a Java developer in a startup?

As a Java Developer in a startup, you'll typically work in a small, agile team where roles can be fluid and collaboration is highly encouraged. You may have the opportunity to work closely with product managers, designers, and other developers, allowing for greater input into the overall direction of the product. Daily responsibilities often extend beyond coding to include brainstorming sessions, code reviews, and quick iteration based on user feedback. The environment is fast-paced, offering opportunities for rapid skill development and taking on new responsibilities as the company grows. This setting is ideal for those who enjoy problem-solving, continuous learning, and making a direct impact on the product and business.

What are the most commonly searched types of Java Developer Startup jobs in New York?

The most popular types of Java Developer Startup jobs in New York are:

What are popular job titles related to Java Developer Startup jobs in New York?

For Java Developer Startup jobs in New York, the most frequently searched job titles are:

What job categories do people searching Java Developer Startup jobs in New York look for?

The top searched job categories for Java Developer Startup jobs in New York are:

Java Developer Startup jobs near you
Infographic showing various Java Developer Startup job openings in New York as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Software Engineer - 2027 New Grads

Ellipsis Labs, Inc

New York, NY • On-site

$150K - $200K/yr

Full-time

Re-posted 27 days ago

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 2027 software engineering new grads 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 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

Apply