Java Developer Intern

Stealth Startup; United States; Remote; USD 65,000 - 90,000; Full time

Job summary

Stealth Startup is seeking a junior Java-focused developer to contribute to a live product in active development. You’ll write clean, modular code and work directly with Java to implement new functionality while integrating APIs and addressing performance bottlenecks.

You’ll engage in hands-on development from concept to deployment, participate in code reviews, and collaborate with the team to maintain high-quality standards.

Qualifications

• Solid grasp of Java fundamentals and object-oriented programming.
• Exposure to API design and consumption (even basic experience counts).
• Genuine passion for writing good code and exploring how software works.

Responsibilities

• Contribute to building and maintaining features that power a live product in development.
• Develop code that is clean, modular, and easy for others to build on.
• Work directly with Java to implement new functionality.
• Integrate and consume APIs as part of feature development.
• Identify bugs and performance bottlenecks, then implement fixes and optimizations.
• Participate in hands-on development from concept through deployment on a real-world application.

Skills

Java fundamentals

Object-oriented programming

API design and consumption

Tools

Git workflows

Job description

Batch: 2026/2027/2028.

About the role

• Contribute to building and maintaining features that power a live product in development
• Develop code that is clean, modular, and easy for others to build on
• Work directly with Java to implement new functionality
• Integrate and consume APIs as part of feature development
• Identify bugs and performance bottlenecks, then implement fixes and optimizations
• Participate in hands-on development from concept through deployment on a real-world application

What you'll work on

• Full-stack Java development tasks across the platform
• Collaborative debugging sessions with the team to resolve issues
• Code reviews and refactoring to maintain quality standards
• Version control workflows using Git for managing changes and collaboration

What we're looking for

• Currently a student, or a fresh graduate, or someone early in their development career
• Solid grasp of Java fundamentals and object-oriented programming
• Genuine enthusiasm for solving technical problems
• Genuine drive to grow and take full responsibility for tasks you own
• Prior exposure to Git workflows (even basic experience counts)
• Prior exposure to API design and consumption (even basic experience counts)
• A genuine passion for writing good code and exploring how software works

Good to know

• You'll work on a real product with real users, not toy projects
• This role values learning and mentorship alongside delivering features

Note: GitHub/portfolio links are welcome.