Intern Software Engineer - Developer Experience and Relations - Amsterdam

Leaning Technologies is seeking a talented Software Engineer for a paid internship based in Amsterdam (near Amstel station), Netherlands. This is a full-time internship with a duration of 6 months, starting in October/November 2026.

Developer Experience at Leaning Technologies is a small team that blends software engineering and marketing. We build open source software, design websites, create social media content, and advocate for our company in the developersphere. We have spoken about our technology at several conferences, such as JavaCro 2025 and Wasm I/O 2026. 

We build demos and integrations using our WebAssembly technology and create technical content that interests developers. Examples of our work include:

• https://browsercode.io - Browser-based coding environment for JavaScript, Rust and Python, with AI integration
• https://webvm.io - Linux virtualised in the browser
• https://labs.leaningtech.com - developer documentation site
• https://webvm.io - Linux virtualised in the browser
• https://browsercraft.cheerpj.com - Minecraft running in the browser
• https://browserpod.io/docs/demos/PackagePod - Live embedded demos
• https://javafiddle.leaningtech.com - Java code playground, fully client-side

What we offer

• Flexibility and part-remote work is guaranteed to all employees.
• Join a team of incredibly talented minds, in a position with plenty of opportunities for personal and professional growth.
• Get to work on challenging, complex and stimulating projects.
• You will work with our CTO and other developers, and get 1-1 tutoring and guidance from the rest of the team. We have very minimal overhead, a flat structure, and we prefer to get to work rather than spend hours in meetings.
• We offer high flexibility, family-friendly arrangements, and actively promote a good work-life balance.
• This is a paid internship, you'll be compensated at €1,600.00 per month.

What you will be doing

Your work will be split between the different areas of responsibility based on our current company needs and your personal preferences. We make sure to take your existing expertise and interests into account. Here are some of the more predominant fields of work done by the position:

• Independently planning, proposing and executing ideas to expand our user base
• Improving technical documentation
• Building new demos and improving older ones
• Improving our website
• Assisting with product releases
• Helping run our social media
• Applying to conferences
• Assisting with event planning, like hackathons

Requirements

- Being enrolled in a BSc/MSc or alternative education program in Digital Media, Computer Science, Mathematics, or a related discipline with equivalent experience, ideally in the last year. Working experience in alternative will also be considered.
- Excellent communication skills.
- Some practical software development experience (including University projects) is required.
- Residence and right to work in the Netherlands.

Extra credit

Do you do any of the following? That makes you an even better fit!

- You have contributed to, or continue to maintain, open source software
- Interest in modern, accessible web design and/or UX design
- Create successful social media content, especially if it is to a developer audience
- Have creative experience with video production, video editing, and/or graphic design
- Have experience with the evolving JavaScript ecosystem, such as: TypeScript, React, Next.js, Vue, Angular, Node.js, Deno, Bun
- Can provide a portfolio of design or development projects (such as side projects on GitHub)
- Follow cutting-edge web platform features such as WebAssembly and Progressive Web Apps
- Understand any of the following programming languages: C, C++, Java, Rust
- Have social media management and/or community management experience (e.g. Twitter/X, Discord)