Industrial Placement, Software Engineering

ABOUT US

Our main product is a payroll and timekeeping app for hourly workforces, sold by subscription and supported from Madrid. Founded in 2014, the business writes the billing, metering and customer portal software that small water and electric utilities run on. We keep recurring meetings to Tuesdays and Thursdays where we can.

THE INTERNSHIP

We need a student who can write clean code, test it and explain what it does. Prior internships are not required. Remote position. Most of the team is in Madrid, but nobody is required to come in. Normal working hours, Monday to Friday.

RESPONSIBILITIES

• Join the daily 15-minute standup on Google Meet and post a short written update in Slack
• Pair with other engineers over screen share to work through tricky problems
• Update the README and internal Confluence pages when you change how something works
• Profile slow endpoints and suggest fixes, such as adding an index or caching a result
• Fix bugs from the Jira backlog, starting with small, well-defined tickets

WHO CAN APPLY

• Based in Spain for the duration of the internship
• Currently enrolled in a bachelor's or master's degree, graduating 2026 or 2027
• Eligible to work in Spain
• Available for the full internship period
• Good grasp of at least one programming language: Python, Java, JavaScript or C++
• Some experience with Git, even if only on college or personal projects
• A GitHub profile with at least two projects you wrote yourself

WHAT YOU'LL LEARN

• 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
• How a production codebase is organised, deployed and monitored

Duration: 3 months

Start date: Dec 2026

Stipend: €1,250 - €1,450 monthly

WHAT WE OFFER

• Flexible hours
• Company laptop
• Certificate of completion
• Internet allowance
• Paid public holidays

Please submit your CV in English.

Duration: 3 months. Start: Dec 2026.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Costa Software S.L..