The Technical Lead will join the Engineering and Architecture team to provide technical leadership for Sonnedix’s mission-critical financial modelling platform, FinTel. You will help shape the platform’s technical direction, ensuring it remains secure, scalable, resilient and aligned with the needs of the business.

The Technical

Lead will join the Engineering and Architecture team to provide technical leadership for Sonnedix’s mission-critical financial modelling platform, FinTel. You will help shape the platform’s technical direction, ensuring it remains secure, scalable, resilient and aligned with the needs of the business. You will lead the technical roadmap and work closely with engineering teams to deliver new features, improvements and fixes, while embedding effective practices across architecture, automation, testing, monitoring and operational support.

You will help identify and address technical risks and opportunities, improve platform performance and maintainability, and ensure FinTel continues to evolve as the business grows. A degree in Computer Science, Engineering or a related field, or equivalent professional experience Experience providing technical leadership for complex, business-critical platforms or software solutions.

Experience designing secure, scalable cloud-based solutions and modern software architectures. Strong understanding of CI/CD, Infrastructure as Code, automated testing and observability.

Experience designing APIs, complex data flows and integrations across enterprise environments.

Experience with financial modelling, investment platforms or data-intensive analytical applications would be beneficial. We use English as our business language, please submit your CV in English. We invest in our people’s digital fluency so everyone works alongside these tools with confidence.





Studies show that many qualified candidates hesitate to apply unless they meet every requirement. In line with EU pay transparency requirements, salary ranges will be shared with candidates in the EU before progressing to the next stage of the recruitment process, and always before interview. Sonnedix is a general renewable energy company delivering 100% clean electricity through a diversified portfolio of solar, wind, and storage assets.

With almost two decades of sustainable growth, we are committed to Powering a Bright Future, as we continue acquiring, developing, building, and operating renewable energy projects for the long-term, delivering innovative, tailored, and fully renewable energy solutions to our customers. A people-first company, committed to offer flexibility, a family-first approach, wellbeing and training support, and - above all – team connection and community! Technology isn’t a support function, it’s how we run.

We deploy AI across the business and future-proof your career by investing in our people’s digital fluency. A commitment to flexibility - hybrid working, generous annual leave allocation with an additional four weeks of discretionary unpaid leave Summer working hours Financial, Social, Mental & Physical wellbeing support The Sonnedix Academy – a range of training and development opportunities including professional development, management and leadership programs, technical training, essential skills, DEI, mentorship and much more Dedicated learning paths, tools, and resources to help every colleague confidently use AI and digital tools in their work Fantastic office environments Social events, team building opportunities and One Team Network groups, which are employee-led groups, based on shared identities, interests, backgrounds and life experiences and many more local benefits! #

📌 Lead Developer - Remote Working (Madrid)
🏢 Sonnedix
📍 Madrid