Full Stack Software Engineer (f/m/d)
Workload: 100% | Madrid
To deliver high-end quality Software for our employees, external partners, and customers, we need your help! As a Full Stack Software Engineer in Axpo, you will work on challenging projects and solve difficult tasks related to providing high-quality software products for the energy industry. Sounds interesting, right?
What you will do:
- Able to quickly prototype and develop working applications across the full spectrum: from frontend interfaces to APIs and databases
- Collaborate with product managers and all kinds of engineers to build our software products
- Build efficient and maintainable frontend solutions
- Develop backend APIs and services
- Identify and solve performance issues
- Participate in design and code reviews
What you bring & who you are:
- You have at least 2-4 years of working experience in software engineering
- You have strong knowledge of HTML, CSS, JS, and related web technologies
- You are experienced with client-side web application frameworks such as Angular, React, or similar
- You are familiar with server-side web frameworks such as Flask, FastAPI, or ASP.NET Core
- Demonstrated design and UX sensibilities
- You have an awareness of cross-browser compatibility issues and client-side performance considerations, especially on mobile
- You are experienced with testing, git, CI/CD, packages, and containers
- You have experience working with APIs, services, and architectures
- You are fluent in English
About the team:
We are looking for makers to join our digital solutions team. We believe in continuous improvement, clean code, simple design, speed, scalability, and fun. We need you as a strong software engineer who brings our software products to the next level.

- Department
- IT / Technology
- Locations
- Madrid
- Remote status
- Hybrid Remote
- Employment type
- Full-time

3 numbers we're proud of:
Years of experience
Employees
Different job profiles
Workplace and culture - Benefit from a modern environment, good social security and flexible working hours.
At Axpo, all employees have the freedom to develop their personal skills and potential and to remain true to themselves. Axpo lives a culture that is free of prejudices about age, gender, origin, education, religion, disability or sexual orientation. We promote uniqueness. Because uniqueness creates diversity. And diversity promotes growth and is our driving force.
Your Benefits
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Your choice
Axpo Iberia offers 23 days of paid leave to enjoy vacations during the year and a hybrid working model for all employees.
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Cultural exchange
We encourage close collaboration between countries by providing employees with free language lessons and periodic travel to our central office in Switzerland.
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Health care
As well as lunch vouchers and a discount on the nearby gym, we also provide private health and life insurance to each employee.
Madrid
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About Axpo Group
Axpo has the ambition to enable society to have a sustainable future with innovative energy solutions. Axpo is Switzerland's largest producer of renewable energy and an international pioneer in energy trading and in the marketing of solar and wind power. More than 6,000 employees combine experience and know-how with a passion for innovation and the joint search for ever better solutions. Axpo relies on innovative technologies to meet the ever-changing needs of its customers in over 30 countries in Europe, North America and Asia.
Full Stack Software Engineer (f/m/d)
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