Sunhero is hiring a

Fullstack Software Engineer

Barcelona, Spain
What about us?
Sunhero is a residential solar energy company on a mission to make access to clean, PV solar energy easy and affordable. We leverage technology and innovation to accelerate the transition to clean energy.
Sunhero was founded in 2021 by Christopher Cederskog and Stefan Braun. Two entrepreneurs with over 25 years of experience launching companies in the international markets, including Airbnb, Rover, and Course Hero. Sunhero is Berlin-founded and Barcelona-headquartered.
We raised our series A investment round of 10M€ in March 2023. This round was led by climate tech VC Planet A and Vorwerk Ventures, as well as Redstone, All Iron Ventures, and Speedinvest.
We started in Spain, but climate change knows no borders. And neither will we. Want to know more? Please visit

What we want to achieve together?
We are looking for a Full stack Software Engineer to join our team who is motivated to work on using technology to help solve the world's most pressing problem.

To succeed in this role, you need to be an entrepreneur. You are analytical and strategic, with a pragmatic sense of how to get things done and openness for iterations and changes of course. You know that building a company means doing whatever works best for customers and partners and you are willing to roll up your sleeves to make this happen.

- Design client-side and server-side architecture.
- Collaborate with our development team to efficiently develop new features and fix ongoing issues.
- Write clean and maintainable code that is easy to understand and reuse.
- Test software to ensure responsiveness and efficiency
- Be able to autonomously work on all stages of software development; model, implementation, and delivery.
- Tackle new challenges and learn new technologies without being afraid to make mistakes along the way.
- Be proactive while developing and take responsibility for the projects you are working on.

What we would need from you to be successful in this role?

- 3+ years of software development experience.
- Proficiency in Python and NoSQL data models.
- Previous exposure to React.js, Next.js, and SSR.
- Knowledge of distributed systems and patterns.
- Knowledge of git and git workflows.
- Experience with AWS services is a strong plus.
- Understanding of APIs and how they integrate with websites and applications.
- Familiarity with Scrum agile principles and methodologies.
- Analytical and problem-solving skills.
- Basic knowledge of computer theory and algorithms.
- Previous experience in a tech startup is highly desirable.
- A strong motivation to positively impact the planet and change the way people think about energy production.
- Strong written and verbal communication skills in English.
- Knowledge of design principles and processes is a plus.

This is a remote/hybrid position. You can work completely remotely if you prefer. We have a beautiful office in downtown Barcelona, where you are welcome to work if that suits you. We are hiring either a full-time employee (FTE) or a contractor for this role. If you are based in Germany or Spain, we can offer an FTE role. In case you are based outside these jurisdictions, we can offer a contractor position through Deel.

What will you find working at Sunhero:
- This is a hybrid/remote position. You can work some days at home and some days at our beautiful office in Barcelona (Utopicus, Diagonal 532). If you are working from home -or other locations- our working hours are CET +/- 2hs.
- This is a meaningful job: we are driven by the desire to make a positive impact. You will get the chance to drive environmental improvements for our planet and shape the path of one of Southern Europe’s solar panel most promising startups.
- It’s a chance to work with and learn from an experienced, diverse, inclusive, and international team. We are 19+ nationalities at Sunhero.
- You will have a flexible working schedule that is based on ownership and autonomy of your role.
- This is a working parent-friendly environment. 80% of our leadership are parents themselves.
- You can access Flexible Retribution benefits from a single mobile app. You can also access your earned wages in advance, at any time of the month.
- We have monthly lunch and monthly breakfast at the office. You are more than welcome to come and share quality time with us!
Diversity & Inclusion

Diversity and inclusion are important to us, and we’re constantly working to improve these aspects. At Sunhero, we don’t just accept our differences, we fully support and celebrate them. We’re committed to equal opportunity employment regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, or gender identity or expression. We strive to be an equal opportunity workplace.

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