Industrial Placement, Software Engineering

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.

About the internship

Thatchhall Labs is hiring an Industrial Placement, Software Engineering for Feb 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 within Spain. The team meets in Madrid once a quarter, travel covered. We ship you a laptop and accessories before your first day.

Responsibilities

• Refactor old modules when asked, keeping behaviour the same
• Profile slow endpoints and suggest fixes, such as adding an index or caching a result
• Debug failing builds in the GitHub Actions pipeline and note what caused them
• Build REST API endpoints and document them in Postman or Swagger
• Add unit tests with pytest or Jest so new code does not lower coverage
• Join the daily 15-minute standup on Google Meet and post a short written update in Slack
• Query and update data in PostgreSQL or MySQL, including simple migrations
• Update the README and internal Confluence pages when you change how something works

Basic qualifications

• Available for the full internship period
• Based in Spain for the duration of the internship
• Own laptop with at least 8 GB RAM and a reliable internet connection
• A GitHub profile with at least two projects you wrote yourself
• Must be able to overlap at least 4 hours a day with the team's working hours

Preferred qualifications

• Any previous internship, hackathon or freelance coding work
• Competitive programming practice on LeetCode, Codeforces or CodeChef

What you get out of it

• Certificate and letter of recommendation on completion, plus a pre-placement offer for strong performers
• Writing tests is part of the job here, and you will get good at it
• 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

Program dates: Feb 2027, 6 months.

Intern pay: €1,200 - €1,600/month

What we offer

• Flexible hours
• Company laptop
• Paid public holidays
• Mentorship
• Possibility of a full-time offer
• Internet allowance

Candidates must be eligible to work in.

Duration: 6 months. Start: Feb 2027.

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