<p><strong>🚀 About Atmen</strong></p> <p>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%.</p> <p>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.<br> **<br> About the Role**</p> <p>We’re looking for a Software Engineer to help build and deliver customer-facing solutions by integrating our core platform with a wide range of third-party systems and APIs. This role combines full-stack application development with systems integration, requiring someone who enjoys solving complex technical challenges and turning customer requirements into reliable, scalable software.</p> <p>You’ll work closely with product managers, customer success, and engineering teams to design, develop, and deploy solutions that connect our platform with our customers’ technology ecosystems.</p> <h2>Tasks</h2> <p><strong>What You’ll Do</strong></p> <ul> <li>Design, build, and maintain full-stack applications using Node.js, React, TypeScript, NestJS, and PostgreSQL.</li> <li>Develop and maintain integrations with external APIs, including REST and other web service technologies.</li> <li>Extend and customize our core platform to meet customer-specific business requirements.</li> <li>Design clean, maintainable, and scalable backend services and frontend applications.</li> <li>Collaborate with customers and internal stakeholders to understand integration requirements and translate them into technical solutions.</li> <li>Troubleshoot integration issues across distributed systems and work with third-party vendors when necessary.</li> <li>Write well-tested, production-ready code with a focus on reliability, performance, and security.</li> <li>Participate in code reviews, architecture discussions, and continuous improvement initiatives.</li> <li>Contribute to documentation for integrations, APIs, and internal development processes.</li> </ul> <h2>Requirements</h2> <p><strong>🏆 Must-haves</strong></p> <ul> <li>Strong experience with TypeScript.</li> <li>Professional experience developing backend services with Node.js and NestJS.</li> <li>Experience building modern frontend applications with React.</li> <li>Solid understanding of PostgreSQL and relational database design.</li> <li>Experience consuming and integrating external APIs.</li> <li>Good understanding of RESTful API design and HTTP protocols.</li> <li>Experience with Git and collaborative software development practices.</li> <li>Strong problem-solving skills and the ability to work independently.</li> <li>Excellent communication skills and the ability to work directly with both technical and non-technical stakeholders.</li> </ul> <p>**<br> 🙏 Nice-to-haves**</p> <ul> <li>Experience designing and build