Intern – Compilers & WebAssembly (Remote-Friendly)

Leaning Technologies; United States; Hybrid; USD 18,000 - 21,000; Full time

Job summary

Leaning Technologies is seeking an intern to contribute to browser-based compiler and VM projects in Amsterdam. The six-month, full-time program starts in spring 2026, with a lead project and guidance from a senior developer.

The role includes paid mentoring and hands-on work on JIT compilers and testing infrastructure. The ideal candidate is pursuing a CS degree, has practical C/C++ development experience, understands OO design, and can work in the Netherlands with valid authorization.

Qualifications

• Enrollment in a computer science degree or equivalent education program (candidates near end preferred).
• Demonstrated C or C++ development experience.
• Understanding of object-oriented design principles.

Responsibilities

• Learn how a Java VM and its JIT compiler operate, then implement self-contained compiler improvements.
• Familiarize with Nix and help design/build testing infrastructure for browser workloads within CI.
• Add test workflows for products and contribute to the project through implementation and iteration.
• Work closely with a senior developer and with guidance from the wider engineering team.

Skills

C/C++ development

Object-oriented design

Education

CS degree or equivalent

Tools

Nix

Job description

Leaning Technologies is seeking an intern to contribute to browser-based compiler and VM projects in Amsterdam. The six-month, full-time program starts in spring 2026, with a lead project and guidance from a senior developer.

The role includes paid mentoring and hands-on work on JIT compilers and testing infrastructure. The ideal candidate is pursuing a CS degree, has practical C/C++ development experience, understands OO design, and can work in the Netherlands with valid authorization.