Careers at Virtwin-Energy


Join us in shaping the future of energy and AI-driven industry. Explore our open positions below!

Co-Founder / Backend AI & Web Developer

Location: Stockholm, Sweden | Hybrid
Note this is an unpaid job.

The Role:

We’re looking for a Backend AI & Web Developer (Co-Founder) to join our small, expert team. You’ll help build the backend and AI systems driving Ignite-AI, working hands-on with cutting-edge tech and shaping the product beyond the MVP.

What You’ll Do:
  • Build and maintain backend systems using Python (Django)
  • Integrate AI and LLM workflows with HuggingFace, PyTorch, LangChain, LangGraph, etc.
  • Design APIs and connect backend services with React frontends
  • Work in Linux or WSL environments
  • Bring creative flow and vibe coding to a collaborative, high-energy team
What We’re Looking For:
  • Vibe coding skill is a must — be ready to show your fluency during the interview!
  • Knowledge of combustion physics is required, or at minimum, an engineering background.

Other merits:

  • 1–3 years of experience in backend or AI web development.
  • Strong Python/Django and API skills.
  • Experience with modern AI frameworks (Hugging Face, PyTorch, LangChain, LangGraph).
  • Basic knowledge of HTML/CSS/React/MongoDB.
  • Comfortable on Linux or Linux-in-Windows setups.
  • Self-driven, curious, and team-oriented.
What We Offer:
  • Equity stake (unpaid internship phase → potential Lead Developer role)
  • Work with a passionate, expert team in a high-growth startup
  • Build a real AI/EdTech/SaaS product beyond the MVP.
  • Flexible hybrid or remote setup
  • Car transportation to the office is provided for occasional meetings.
Our Journey

Our MVP, Ignite-AI, is already live. We are now expanding capabilities, joining an incubator, and preparing for our first external pilot users.

Join us early and help shape the future of AI-driven combustion and energy innovation.

💡 Ready to explore how advanced engineering meets business strategy? Apply now and become part of Virtwin-Energy AB — where AI, science, and sustainability converge.
Read more

Market Validation & Industry Outreach Intern

Location: Stockholm, Sweden | Hybrid
Note this is an unpaid job.

The Role:

We’re looking for a Market Validation & Industry Outreach Intern to help us explore the market for our AI combustion platform. You’ll play a key role in identifying potential customers (consulting firms, research institutes, OEMs), conducting interviews, testing pricing levels, and helping us understand how the industry perceives value. This is an opportunity to work closely with our founding team, gain exposure to technical SaaS commercialization, and make a real impact on how deep-tech products enter the market.

What You’ll Do:
  • Research and map potential customer segments (consultants, R&D teams, universities, emission testing labs)
  • Reach out to relevant companies and conduct structured interviews to collect feedback
  • Analyze workflows, pain points, and willingness-to-pay for combustion modeling tools
  • Benchmark existing software tools
  • Develop a short report summarizing market needs, pricing insights, and go-to-market opportunities
  • Support in early sales or partnership outreach for pilot programs
What We’re Looking For:
  • Background in Mechanical, Chemical, Aerospace, or Energy Engineering, or Business / Marketing with an interest in deep tech
  • Familiarity with combustion, CFD, or energy systems is a strong plus
  • Excellent written and verbal communication skills (English required and Swedish is a plus)
  • Research-minded and comfortable reaching out to professionals and researchers
  • Curious, self-driven, and eager to learn about SaaS, startups, and clean energy innovation
What We Offer:
  • Equity opportunity for exceptional performance and long-term contribution
  • Mentorship from founders with backgrounds in combustion science, AI, and SaaS
  • Certificate of completion and Letter of Recommendation
  • Exposure to startup incubation and fundraising processes
  • Flexible remote or hybrid setup (occasional meetings in Stockholm)
  • Potential for future paid role or thesis collaboration
Our Journey

Our MVP, Ignite-AI, is already live. We are now expanding capabilities, joining an incubator, and preparing for our first external pilot users.

Join us early and help shape the future of AI-driven combustion and energy innovation.

💡 Ready to explore how advanced engineering meets business strategy? Apply now and become part of Virtwin-Energy AB — where AI, science, and sustainability converge.
Read more