Senior Backend Developer, hibrido

Senior Backend Developer Workload: 80-100 Help us build Axpos next-generation service portal from the ground up. Join a cross-functional team that values lean principles, smart tech choices, and real user impact in the energy sector. What you will do: - Build resilient backend services in Python for web apps, scripting, data processing, ML integrations, and APIs - Set up dependency management, build pipelines, and virtual environments for scalable delivery - Use containers and Azure cloud to deploy and operate services manage CDNs, access controls, and proxies - Design and operate SQL databases (ideally Postgres/Azure DB), including indexing, search, and effective data models - Define architecture, APIs, and schemas design event-driven flows and ETL processes - Document architecture decisions and design choices aligned to business and IT strategy What you bring who you are: - Strong experience building and operating Python services in production. - Solid cloud background (Azure

preferred), including containers (Docker) and Infrastructure as Code (e.g Terraform). - Proficient with relational databases (PostgreSQL or Azure SQL): schema design, indexing, query tuning, and operations. - Strong understanding of APIs and data contracts experience with REST or GraphQL. - Comfortable defining and documenting service architectures and technical decisions. - Clear communicator with a bias for quality, automation, and observability. - Fluent in English Spanish is a plus. Even if you dont meet every point, wed love to hear from you. About the team: Were Group IT in Madrid: a supportive, cross-functional team driving digitalization at Axpo. We iterate quickly, learn together, and value diverse perspectives to deliver meaningful outcomes. 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. Department IT / Technology Role Permanent position Locations Madrid Remote status Hybrid Employment type Full-time Python, SQL, azure, Docker