Atmen is a Munich-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
As a Senior Software Engineer, you will play a key role in shaping our product, working closely with our engineering and product teams to build robust, scalable, and maintainable software solutions. You will:
- 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.
Requirements
🏆 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.
We encourage all qualified applicants to apply, even if you don't meet every single requirement.
🙏 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 technologies
- Frontend: React, TypeScript
- Backend: Nest.js (Node.js, TypeScript)
- Testing: Cypress, Jest
- Infrastructure: AWS (AWS CDK)
- Nx, GitLab CI
⁉️ Not your stack? We value drive, ability to learn fast and general understanding of software development over specific tool knowledge.
☑️ Job requirements
- Availability: Full-Time
- Valid working permit in Germany
- Fluency in English
Apply on company website Madrid, Spain Hybrid Full-time
Atmen is hiring a Senior Software Engineer (Full Stack)
About company
Atmen automates and derisks certification workflows across renewable fuels, from real-time supply chain data to auditable product claims. The platform brings clarity and control to certification journeys for green hydrogen, e-methane, ammonia, biomethane, HVO, and SAF.
Atmen combines frontier technology with deep regulatory expertise to help companies stay ahead in a fast-moving certification landscape. It serves as the data and certification backbone for decarbonized supply chains, enabling continuous compliance and streamlining sustainability certification workflows at scale and across borders.
The platform helps manage audit preparation, collect documents, reconcile data, and generate audit-ready reports. It supports verification of product attributes across complex supply chains, turning compliance into a competitive edge.