Software Engineer Intern

About Bellwether Labs

We operate a subscription e-commerce site selling coffee, tea and brewing gear, shipped from our own warehouse. Sellers use the platform to list used outdoor gear, and we handle payments, shipping labels and buyer protection.

Overview

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 internship with a team based in Stamford. The stipend is paid at the end of each month. You will need at least 4 hours of overlap with US Eastern time.

What you'll do

• Present a short demo of your work to the team every two weeks
• Profile slow endpoints and suggest fixes, such as adding an index or caching a result
• Query and update data in PostgreSQL or MySQL, including simple migrations
• Add unit tests with pytest or Jest so new code does not lower coverage
• Fix bugs from the Jira backlog, starting with small, well-defined tickets
• Build REST API endpoints and document them in Postman or Swagger
• Raise pull requests on GitHub and respond to code review comments within a day
• Write and test backend features in Python or Node.js under the guidance of a senior developer

Requirements

• Based in Slovakia for the duration of the internship
• Available for the full internship period
• Currently enrolled in a bachelor's or master's degree, graduating 2027 or 2028
• Eligible to work in Slovakia
• Comfortable writing simple SQL queries (SELECT, JOIN, GROUP BY)
• Available for 30 to 40 hours a week for the full internship period
• Basic understanding of data structures, OOP and how HTTP requests work
• Good grasp of at least one programming language: Python, Java, JavaScript or C++

Nice to have

• Familiarity with Django, Flask, FastAPI or Express

Duration: 5 months

Start date: Mar 2027

Stipend: $1,750 - $2,050 monthly

What we offer

• Company laptop
• Flexible hours
• Possibility of a full-time offer

Duration: 5 months. Start: Mar 2027.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Bellwether Labs LLC.