Frontend Web Developer Intern

2 days ago

Stockholm, Stockholm, Sweden Virtwin-Energy AB Full time 40,000 - 60,000 per year

Internship Duration & Terms:

This is a fixed-term internship of 4–6 months and will not be automatically renewed. Any extension would be subject to exceptional performance, in which case equity may be considered. Please note that this is an unpaid position.

About Us

Virtwin-Energy AB is an early-stage EdTech/SaaS start-up building
Ignite-AI
– an AI-powered Combustion Science and Engineering Cloud Platform.

Our Vision:
We envision a world where engineers, researchers, and students can easily access professional-grade tools for combustion science, fuel innovation, and energy system design — no more expert-only interfaces.

Our Mission:
We are building the first AI-native combustion and techno-economic cloud platform, where industries, researchers, and students can collaborate, innovate, and accelerate the shift toward sustainable energy effortlessly.

The Role

We're looking for
Frontend Web Developer Interns
to join our small, dynamic team. You'll help design and implement the user-facing aspects of
Ignite-AI
, supervised by our lead developer and working closely with our
backend and AI systems
to create a smooth, interactive, and AI powered professional experience.

What You'll Do

  • Develop responsive, interactive web interfaces using
    React
    and
    JavaScript
  • Collaborate with backend developers via
    APIs
  • Use
    Git
    for version control and team collaboration
  • Design UI/UX workflows and mockups using
    Figma
  • Contribute ideas to improve the product and the user experience

Skills & Requirements

Required:

  • Proficiency in
    React, JavaScript, and Vibe Coding
  • Familiarity with
    Git
    for collaborative development
  • Basic understanding of HTML/CSS
  • Experience with
    Figma
    or other UI/UX design tools
  • Team-oriented, self-driven, and curious

Preferred:

  • Current student at
    KTH Royal Institute of Technology
  • Interest in
    SaaS
    , AI, or sustainable energy solutions
  • Previous internship or project experience with web apps

Master's Thesis / Degree Project Opportunity

This internship is
suitable as a master's thesis or degree project
, with opportunities to:

  • Conduct research and development on an AI/EdTech platform
  • Produce project deliverables that can fulfill academic requirements

What We Offer

Hands-on Learning:
Contribute to a real AI/EdTech product and gain practical experience in a startup environment.

Mentorship & Growth:
Receive guidance from experienced co-founders and improve problem-solving, collaboration, and UX/UI thinking.

Master's Thesis / Degree Project Support:
Structured internship suitable for a master's thesis or academic project.

Reference & Networking:
Receive a personalized reference letter and connect with professionals in AI, EdTech, and sustainable energy.

Ready to Join?

Apply now and help shape the future of AI-driven energy innovation at
Virtwin-Energy AB

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