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Innovate with phelas

phelas Job Offers

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Software Developer Intern (all genders)

We are looking for an enthusiastic and driven to join our Software Development team at phelas, a dynamic and innovative company focused on developing cutting-edge energy storage solutions. You will be able to work closely with our Catalyst Software Development team, contributing to various projects that boost our software’s reliability, scalability, and functionality. This is a unique opportunity to gain hands-on experience in software development in a professional environment within a supportive and collaborative team.

Apply here!

Who are we?

At phelas, we’re innovating the future of energy storage with Aurora and Catalyst. Aurora, our containerized Liquid Air Energy Storage (LAES) solution, is designed to reshape the energy storage landscape. Meanwhile, Catalyst, our trailblazing energy storage and green hydrogen planning tool, is streamlining the pathway to efficient, sustainable energy planning. Together, these solutions are igniting the transition to continuous, 24/7 renewable power, and you can be part of this exciting journey.

What will you do?

As a key member of our team, you will:

Software Development Support:

  • Collaborate with the Catalyst Software Development team to identify and fix bugs in current software.
  • Contribute to the development of new functionalities, including writing own unit and integration tests under the supervision of senior staff.
  • Adopt and implement good DevOps practices alongside the software development team.

Who are you?

General Skills:

  • Versatility to adapt to new task and challenges, and willing to take responsibilities.
  • Basic understanding of software development and good practices in the industry.

Software Skills


  • 1 or 2 years of experience with python or other OOP.
  • Familiarity with Docker and Linux environments.
  • Experience working with VCS like Git


  • Knowledge of databases (SQL and NoSQL) and Python Back-End Frameworks (FastAPi, Flask, Dash)
  • Knowledge of modern¬† Front-End tech stack (HTML, CSS, JS, Angular or React)

Soft Skills:

  • Excellent problem-solving and analytical skills.
  • Eagerness to learn and contribute to a team-focused environment.
  • Fluent English is mandatory.

What do we offer?

  • phelas is a place to grow ideas and strive as a team. We can confidently say, best ideas win!
  • Currently 20 people with 10+ nationalities, this is a place to shape our own work culture and serve global markets.
  • Speaking of Munich, we are based in a top10 worth-to-live-in cities in Europe. Flexible work hours.
  • At phelas, we care about results and achieving our goals, not about being present 9-5. Hybrid workplace / home-office.
  • As much as we enjoy on-site collaboration and working on hardware, we also know that diving deep into tasks is easier when undistracted.
  • Transparent communication: This is the foundation of phelas’ positive work-environment. We share highs and lows and ensure effective flow of information.

Who are you?

Contact and tell us!

Please apply here

Link to the application form: Link

phelas' Commitment to Inclusive Employment"

phelas is an equal-opportunity employer. We are committed to creating a diverse and inclusive environment for all employees and welcome applications from all qualified candidates, regardless of roots , colour, religion, gender, sexual orientation, neurodivergency, national origin, age, disability, or any other protected characteristic.