Atmen is a Munich and Madrid-based RegTech startup revolutionising green certification. Our SaaS platform helps energy-intensive industries (fuels, chemicals, materials) automate compliance and certification - cutting down time by up to 90%. We replace today's manual, costly, and unpredictable certification processes with continuous, technology-driven verification. Our mission? Making sustainable production simple, scalable, and cost-effective. Tasks * Develop, test, and deploy full-stack software solutions, ensuring high-quality, maintainable code. * Drive development from ideation to production, working closely with designers, engineers, and product managers. * Lead by example by writing clean, testable code and supporting engineering best practices. * Own features end-to-end— from architecture to implementation, deployment, and monitoring. * Mentor and collaborate with team members, fostering a culture of continuous learning and growth. * Improve performance, reliability, and scalability to ensure our platform meets enterprise-grade standards.



Must-haves * 5+ years of professional experience in software development, preferably in full-stack roles. * Proficiency in TypeScript, React, Node.js, PostgreSQL, and AWS. * Strong software engineering principles: clean code, modularity, testing, and maintainability. * Experience designing and maintaining scalable, distributed systems. * Self-motivated and able to navigate a fast-changing startup environment. * Excellent communication skills in English (both written and spoken). * Master’s degree or equivalent experience in Computer Science, Engineering, or a related field. Nice-to-haves * Experience with Test-Driven Development (TDD) and end-to-end testing. * Experience with Quality Assurance (QA) workflows * Exposure to one of: AI/ML, GenAI integrations, Security * Related domain expertise: energy, certification, sustainability, or regulated industries. * Experience working in a fast-paced startup environment. Our core te

📌 Senior Software Engineer (Madrid)
🏢 Atmen
📍 Madrid