Java Developer Intern

Our clients include consumer packaged goods companies, health systems, automakers and retailers. Since 1969, the agency has added data science, analytics and in-house production teams.

Overview

The intern will work on internal tools and APIs used by our support and operations staff. Daily standup on Google Meet, everything else async on Slack. You can work from home anywhere in Sri Lanka. We have no office requirement. Normal working hours, Monday to Friday.

Day to day

• Join the daily 15-minute standup on Google Meet and post a short written update in Slack.
• Add unit tests with pytest or Jest so new code does not lower coverage.
• Query and update data in PostgreSQL or MySQL, including simple migrations.
• Build REST API endpoints and document them in Postman or Swagger.
• Fix bugs from the Jira backlog, starting with small, well-defined tickets.

Requirements

• Own laptop and a reliable internet connection.
• Based in Sri Lanka.
• Available for the full internship period.
• Own laptop with at least 8 GB RAM and a reliable internet connection.
• Pursuing a B.Tech, B.E., BCA, MCA, BS Computer Science or a related degree, graduating in 2026, 2027 or 2028.
• Basic understanding of data structures, OOP and how HTTP requests work.
• Comfortable writing simple SQL queries (SELECT, JOIN, GROUP BY)

Bonus points

• Competitive programming practice on LeetCode, Codeforces or CodeChef.
• Familiarity with Django, Flask, FastAPI or Express.
• Any previous internship, hackathon or freelance coding work.

What you get out of it

• Writing tests is part of the job here, and you will get good at it.
• Certificate and letter of recommendation on completion, plus a pre-placement offer for strong performers.
• Code review on every pull request, so expect a lot of feedback on naming, tests and structure.
• How a production codebase is organised, deployed and monitored.

Duration: 2 months

Start date: Immediately

Stipend: LKR 65,000 to LKR 69,000 pcm

What we offer

• Mentorship from senior team members.
• Performance bonus.
• 5 days a week.
• Job offer on successful completion.
• Flexible work hours.
• Laptop provided for the internship.

Duration: 2 months. Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Kestrelbeam & Co. (Pvt) Ltd.