Software Engineering Intern

Our engineering group is split into roughly 60 product teams, each owning its services end to end, with on-call shared across time zones. Most engineers work remotely and come into the office one week a quarter for planning.

Internship overview

Thatchhall Labs is hiring a Software Engineering Intern for Mar 2027. This is a hands-on coding internship. Most of the work is in Python and Node.js, with some SQL and a bit of shell scripting. Remote position. Most of the team is in Madrid, but nobody is required to come in. Good written English matters here, since most updates are written.

Responsibilities

• 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
• Debug failing builds in the GitHub Actions pipeline and note what caused them
• Fix bugs from the Jira backlog, starting with small, well-defined tickets
• Present a short demo of your work to the team every two weeks

What we're looking for

• Available for the full internship period
• Currently enrolled in a bachelor's or master's degree, graduating 2028
• A GitHub profile with at least two projects you wrote yourself
• Available for 30 to 40 hours a week for the full internship period
• Basic understanding of data structures, OOP and how HTTP requests work

Nice to have

• Competitive programming practice on LeetCode, Codeforces or CodeChef
• Contributions to an open source project, however small
• Familiarity with Django, Flask, FastAPI or Express

What you'll learn

• You will ship at least one feature that real users touch before the internship ends
• Weekly 1:1 with your mentor to go over what went well and what to work on next
• Writing tests is part of the job here, and you will get good at it

Program dates: Mar 2027, 6 months.

Pay: €1,350 - €1,400 monthly

Benefits for interns

• Company laptop
• Certificate of completion
• Letter of recommendation
• Mentorship
• Flexible hours
• Possibility of a full-time offer

Only shortlisted candidates will be contacted.

Duration: 6 months. Start: Mar 2027.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Thatchhall Labs S.A..