(Senior) Backend Engineer (f/m/x)

Are you a visionary backend developer ready to build something extraordinary? Join us as senior backend engineer and lead the creation of a cutting-edge platform.

Pactos is building the B2B SaaS platform for the contingent workforce management. We help companies streamline the entire source-to-pay process in one single source of truth. Thereby, corporates excel in operation efficiency and re-gain full workforce visibility. Backed by renowned investors, we are defining a new market leader.

• Design & Build Scalable Systems: Own the architecture, development, and optimization of our backend systems - with a strong focus on performance, scalability, and clean code.
• End-to-End Ownership: Drive the complete development lifecycle: from requirements engineering, over system design and implementation, to deployment and monitoring.
• Shape our Backend Infrastructure: Select and implement modern backend frameworks, tools, and technologies to build a future-proof platform.
• Collaborate Cross-Functionally: Work closely with product, design, and frontend engineering to deliver seamless features and APIs.
• Technical Leadership: Contribute to key technical decisions, perform code reviews, and mentor fellow engineers to foster best practices.

• Minimum of 5+ years of professional experience in backend development, with a strong portfolio showcasing complex, high-performance web applications
• Deep knowledge of backend technologies, ideally Node.js (Express.js)
• Experience in designing and building scalable APIs (REST / GraphQL)
• Familiarity with relational databases (e.g., PostgreSQL) and caching techniques
• Knowledge of cloud infrastructure, CI/CD pipelines, and automated testing
• Passion for clean, maintainable, and well-tested code
• Strong analytical and problem-solving skills
• Highly motivated and proactive mindset with end-to-end ownership in a fast-paced startup environment
• Experience working in agile teams (experience with Shape Up is a plus), with excellent communication skills to effectively collaborate cross-functionally
• Fluency in English and good command of German

• Competitive fixed salary plus an attractive equity package
• Opportunity to shape and directly influence the future of work
• Dynamic and accountable team led by ambitious and experienced founders, ensuring rapid personal and professional growth
• Fun team events and a down-to-earth atmosphere (e.g., Oktoberfest)
• Modern office in central Munich and a work-from-home option

We strive for equality and want to create an inclusive workplace where everyone is welcome! Be yourself and join the rocket ship.