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mthree

Junior Java Developer

Sorry, this job was removed at 10:16 p.m. (EST) on Monday, Mar 16, 2026
In-Office
New York, NY, USA
In-Office
New York, NY, USA

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Locations:  New York, NY

Salary: $66,300

Want to start your career as a Java Developer?

In-depth graduate training, ongoing support, opportunities at leading global employers – the Alumni graduate program gives you everything you need. (And don’t worry, there’s no training bond. No exit fees, no hidden catches).

Here at mthree, we pair great graduates with brilliant global businesses. Our clients include tier one investment banks and other organizations across a range of industries, from insurance to healthcare to travel.

As part of the mthree Alumni program, mthree has an exciting and exclusive partnership with Columbia Univ. School of Engineering. All mthree Alumni are eligible to receive two Executive Education certificates from Columbia Engineering as part of their Academy and industry placement experience at no cost. Further, all participating Alumni will have access to the Columbia Engineering network and ongoing training.

What you’ll do:

As a software developer with mthree, you’ll build complex applications in a global team environment.

You’ll love seeing the impact you make when code you’ve written launches to the people who need it. If you stay on the lookout for new ways to get better results through software development, you’ll become an asset to your team.

How the Alumni program works:

  1. Apply via this job advert.
  2. Complete our assessment process.
  3. Get trained at mthree Academy in an online class for 4-8 weeks with other graduates. Focusing on Java, or other languages depending on which coding languages our clients are looking for at the time.
  4. Join a mthree client for 12-24 months while receiving support and salary increases every 12 months.
  5. The vast majority then convert to permanent employees with the client at the end of the program.

What you’ll learn at the mthree Academy:

  • How to design, develop, and test a full-stack application.
  • How to demonstrate professionalism, including communication skills and personal interactions.
  • How to explain industry concepts at a high level.
  • An understanding of monitoring, supporting, and troubleshooting, and how it ties into good development processes.

What you'll need:

  • Bachelor's degree in computer science or a related major
  • A GPA of 2.75 or higher. We look for potential, not prestige, but it’s important that you enjoy pushing yourself to pick up new ideas.
  • Experience with OOP (object-oriented programming).
  • Solid knowledge of software engineering principles (data structures, OOP, design patterns, multithreading).
  • Skills in troubleshooting and debugging.
  • Knowledge of database concepts (SQL, stored procs, schema design).
  • An understanding of the formal SDLC (software development lifecycle).
  • An understanding of test-driven development.
  • The right to work without needing visa sponsorship.

What you'll get:

  • in-depth, interactive training in small classes with graduates like you. Our training is created and delivered by industry experts who know your field inside out.
  • A generous graduate salary.
  • An annual increase to reflect your progress.
  • A flexible benefits package.
  • Ongoing training and support.
  • Valuable industry experience. Ultimately, a foot in the door to build your career in an in-demand niche.

How to apply:

  1. Apply via the form below and tell us a bit about you.
  2. Complete the online assessment (we’ll send you a link by email).
  3. Complete the interviews with our friendly talent team over phone and video.
  4. Lastly, you’ll interview with one or more of our clients.

So, you don’t miss out on your dream job, we encourage you to be open to relocating.

At mthree, our values support courageous teammates, needle movers, and learning champions all while striving to support the health and well-being of all employees.  We take great pride in celebrating the diversity of each individual who contributes to making mthree the company it is today and will be in the future. We value diversity both within mthree and with our partner companies, and we're proud to provide an environment where all our colleagues can flourish. That means promoting a strong culture of equality but, most importantly, inclusion

Applicants must be currently authorized to work in the United States on a full-time basis. The Company will not sponsor applicants for work visas.



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As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.

Key Facts About NYC Tech

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  • Key Industries: Artificial intelligence, Fintech
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  • Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
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