Backend Engineer (f / m / d), hibrido

Axpo Group; Madrid; Híbrido; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A leading energy solutions provider is seeking a Backend Engineer to design and develop API-based applications. This hybrid role in Madrid emphasizes collaboration, quality, and continuous improvement, offering benefits like flexible hours, meal allowances, and health insurance. Successful applicants will possess a degree in Computer Science and expertise in Python and FastAPI.

Servicios

Flexible working hours

Meal allowances

Internet Compensation

Microsoft ESI Certifications

Training courses

Gym Coverage

Health Insurance

Formación

• Degree in Computer Science, Software Engineering, or related field or equivalent practical experience.
• Proficiency in Python and FastAPI, familiarity with async patterns.
• Strong understanding of APIs and data contracts.

Responsabilidades

• Design and develop API-based web applications and services.
• Participate in technical design, clarifying assumptions and resolving conflicting requirements.
• Troubleshoot complex issues and drive root-cause fixes.

Conocimientos

Python

FastAPI

REST

GraphQL

Educación

Degree in Computer Science or related field

Herramientas

Docker

CI/CD

Azure

Descripción del empleo

Backend Engineer (f / m / d)

Workload: 80-100

Join Axpos digital journey and help build data-driven products that shape the future of energy. We value quality, collaboration, and continuous learning—and were 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) to 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 and 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 work 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 in the modern workplace.

• Microsoft ESI Certifications

  Access to the ESI (Enterprise Skills Initiative) program certification, provides hands‑on training for learning and enhancing technical skills and knowledge of Microsoft and Azure technologies.

• Training courses

  Our company is committed to helping our employees grow and develop their skills, which is why we offer a variety of industry‑specific training courses and a learning channel.

• Gym Coverage

  Stay active and healthy with our coverage benefit, which provides access to the nearby gym: Forus Selection to keep you energized throughout the day.

• Health Insurance

  We take the health and well‑being of our employees seriously, which is why we offer a comprehensive health insurance plan and the option to extend it to your spouse and children.

Department: IT / Technology | Role: Permanent position | Location: Madrid | Remote status: Hybrid

Skills: Python, FastAPI, REST, GraphQL