Backend Engineer (f / m / d)

Workload : 80–100%

Join Axpo's digital journey and help build data-driven products that shape the future of energy. We value quality, collaboration, and continuous learning—and we're excited to welcome your perspective.

What you will do :

Design and develop API-based web applications and services, integrating data and maintain back-end systems for optimal functionality and user experience.

Participate in technical design, clarifying assumptions and resolving conflicting requirements early.

Own and deliver larger features / components end-to-end with high quality, reliability, security, and performance.

Improve team tools and agile practices; contribute to CI / CD, testing, and observability.

Advocate for testing and code quality (e.g., automation, code reviews); raise engineering standards.

Troubleshoot complex issues, drive root-cause fixes, and implement preventive improvements.

Apply best practices in clean coding, responsive design, and containerized setups using Docker.

Collaborate with cross-functional teams to optimize performance and integrate cloud platforms like Azure.

What you bring & who you are :

Degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience with solid backend engineering exposure.

Proficiency in Python and FastAPI; familiarity with async patterns and typing.

Strong understanding of APIs and data contracts; experience with REST or GraphQL.

Familiar with cloud‐native applications on Azure and DevOps practices, including Docker containers, CI / CD, Infrastructure as Code, and monitoring / observability.

Comfortable with team tools and agile methods; contributes independently and in design discussions.

Communicates effectively across teams; fosters open collaboration and constructive feedback.

Mentors peers, shares best practices, and supports a positive technical culture.

Fluent in English; knowledge of German and / or Spanish is a plus.

Even if you don't meet every point, we'd love to hear from you.

About the team : We're a collaborative, cross‐functional team of engineers, data / BI / AI specialists, and product experts building impactful solutions for Axpo and our customers. We value quality, transparency, learning—and humor.

At Axpo Group, we are dedicated to fostering a culture of non‐discrimination, tolerance, and inclusion. As an equal opportunity employer, we welcome applications regardless of race and ethnicity, gender identity and expression, sexual orientation, age, disability, as well as socioeconomic, cultural, and religious background. We are committed to ensuring a respectful and inclusive recruiting process and workplace for everyone.

Benefits :

Working Hours – We offer flexible working hours to accommodate your schedule. 60% remote and 40% at our offices in Madrid, Torre Europa.

Meal allowances – You can enjoy delicious meals on us, no matter if you are working remotely or on‐site. Option to use it for public transportation or childcare instead.

Internet Compensation – We cover the cost of your home internet connection, as we understand how essential connectivity is.

Microsoft ESI Certifications – Access to the ESI (Enterprise Skills Initiative) program, providing hands‐on training for Microsoft and Azure technologies.

Training courses – We offer a variety of industry‐specific training courses and a learning channel.

Gym Coverage – Stay active and healthy with 90% coverage benefit for nearby gym : Forus Selection.

Health Insurance – We offer a comprehensive health insurance plan and the option to extend coverage to your spouse and children.

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