Atmen is a Munich-based RegTech startup revolutionising green certification. Our SaaS platform helps energy-intensive industries (fuels chemicals materials) automate compliance and certificationcutting down time by up to 90. We replace todays 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-endfrom 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). Masters degree or equivalent experience in Computer Science Engineering or a related field. We encourage all qualified applicants to apply even if you dont 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 Benefits How we work Asynchronous first We minimise unnecessary meetings and document everything in Notion. Focus time deep work Meetings-free mornings + 1 in-office Team Day per week. Fast-paced iterative development We push to main frequently and release several times per week. Strong testing culture Pragmatic test-driven development (TDD) heavy use of E2E tests. Why Join Us Impact Be part of a small high-performing team driving real-world sustainability impact. Hybrid work and central Munich offices work from the office and from home. Growth Join an early-stage startup with significant ownership and career growth potential. Cutting-edge tech Work on exciting challenges in automation AI and compliance tech. Well Pass as an employee benefit - giving you unlimited access to most fitness centres Atmen is an equal opportunity employer We embrace diversity and are committed to creating an inclusive environment for all employees and stakeholders. We are open to all candidates without regard to age color national origin religion gender or any other characteristics.

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Senior Software Engineer (Full Stack)