Software Engineer Intern

Full Time

On-site

Jaffna, Sri Lanka

At 3axislabs, we’re building AI-powered mind mapping for fast thinking, planning, and learning. As a Software Engineering Intern, you’ll ship real features, touch our AI stack, and see your work in production used by thousands.

What you’ll do
  • Design, implement, test, and ship end-to-end features (UI, APIs, data layer).
  • Improve performance, reliability, responsiveness, and overall user experience.
  • Diagnose and resolve defects; write clear tests and documentation.
  • Participate in code reviews and iterative planning with engineering and product.
  • Contribute to code quality standards, observability, and maintainability.
Skills we’re looking for
  • Java + Spring Boot fundamentals (controllers, services, dependency injection, configuration).
  • Frontend fundamentals: semantic HTML, CSS, and JavaScript; responsive layouts and browser dev tools.
  • REST/HTTP basics, JSON, error handling, and logging.
  • SQL literacy (queries, schema basics); Git and CLI comfort.
  • Templating (Thymeleaf/JSP) or modern JS (TypeScript, bundlers).
  • Clear communication, ownership mindset, and a bias to ship.

What you’ll learn
  • Shipping production-grade features with measurable impact.
  • Practical performance tuning across frontend and backend.
  • Observability, diagnostics, and safe refactoring practices.
  • Product thinking: scoping, trade-offs, and rapid iteration.
"Our Team"

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