Software Developer Intern (OSS)

About Fermyon Technologies

Fermyon Technologies is a software company building the next wave of cloud computing based on WebAssembly. By producing top-quality open source software and related tooling, we are creating a new category of cloud computing that prioritizes high performance, robust security, and top-notch developer and operator experiences. We contribute heavily to the WebAssembly ecosystem, including Spin, now a CNCF sandbox project, and we build commercial products like Fermyon Wasm Functions and Fermyon Platform For Kubernetes.

We believe that the best way to build this next generation of cloud technology is by fostering a positive culture rooted in our values.

Fermyon is committed to a culture of belonging, inclusivity, and respect. We believe that different perspectives—shaped by life experiences, education, talent, and interests—are essential for creating thriving teams. We welcome the unique contributions you bring in terms of your culture, ethnicity, race, sex, gender identity and expression, nation of origin, age, spoken languages, veteran status, color, religion, disability, sexual orientation, education, opinions, political preferences, and overall beliefs. If you’re someone who values people and embraces differences, Fermyon is the place for you!

The position

We’re hiring a Software Engineer Intern for Summer 2025 to contribute to open source technologies in the CNCF ecosystem, including Spin and SpinKube, both CNCF sandbox projects originally created by Fermyon. As an intern, you’ll work alongside experienced engineers in a fast-paced, highly collaborative environment—contributing to real features, improving tooling, and helping evolve the developer experience around WebAssembly.

This is an exciting opportunity for someone who is passionate about open source, developer tools and who wants to make meaningful contributions to widely used projects in the CNCF ecosystem.

This is a full-time paid internship ($25/hr), expected to last approximately 3 months during Summer 2025. Exact dates are negotiable.

Responsibilities

We’re working on a variety of projects across Spin and SpinKube, and we’ll collaborate with you to find work that aligns with your interests and learning goals. Some of the things you might do include:

  • Contribute to features, documentation, or tooling across open source projects like Spin and SpinKube that improve the developer experience
  • Gain real-world experience contributing to the health of a large open source project by triaging issues, reviewing pull requests, and helping manage GitHub workflows
  • Analyze performance characteristics of WebAssembly workloads and share findings with the community
  • Participate in design discussions and community project meetings
  • Give feedback on developer documentation and suggest improvements

Personal Qualities We Appreciate

  • Self-motivated, resourceful, logical thinker, organized and structured working style, articulate, with a commitment to high-quality service delivery and attention to detail, dependable, strong work ethic, positive attitude, inclusive approach, team player and customer-oriented

Requirements

  • At least one year of hands-on experience developing software in at least two of the following languages:
    • JavaScript/TypeScript
    • Rust
    • Python
    • Go
    • C#/.NET
    • C/C++
    • Zig
    • PHP
    • Swift
    • Grain
  • Comfortable using Git and GitHub for source control and collaboration
  • Experience creating solutions from the ground up or working independently on new technical areas
  • Willingness to contribute to open source in a collaborative and inclusive manner
  • Agreement to embody the Fermyon values

Bonus points for

  • Contributions to open source projects (even small ones count!)
  • Familiarity with Spin or SpinKube, or general experience building or deploying WebAssembly applications
  • Interest in CLI development, build systems, or streamlining developer workflows
  • Familiarity with Kubernetes or cloud-native technologies
  • Enthusiasm for sharing work through documentation, demos, or blog posts

Inquiries and applications can be submitted via email: jobs@fermyon.com