Your role As a Backend Engineer at mula, you will help strengthen and evolve our backend platform as we work toward becoming the most digitally integrated B2B Merchandise Platform globally. With 3 – 4 years of experience, you will contribute to impactful backend topics, from shop features to API integrations, and help us build reliable, scalable and maintainable systems. Your tasks Develop and maintain backend services using Python (Django). Contribute to the design and improvement of backend components and architecture. Build and enhance integrations with HR, CRM, and other third-party systems. Implement and maintain client-facing APIs, ensuring high quality and strong documentation. Work on a range of backend challenges such as shop features, payment integrations (Stripe), automations, plugins, SSO, Adobe automation, and internal/public APIs. Collaborate closely with product, design, and support teams to solve cross-functional problems. Help us deliver a clean, fast, reliable, and scalable platform experience. Share knowledge with the team and contribute to a culture of learning and best practices. Your profile 3 – 4 years of professional experience in backend development with Django. Comfortable with lean and agile product development in fast-moving environments. Solid understanding of REST API design; knowledge of SOAP is a plus. Familiarity with at least some of the following technologies: PostgreSQL, Redis, RabbitMQ, Kubernetes, AWS, EKS, Node.js, Next.js, JavaScript, React, Docker. Nice to have: Exposure to serverless architectures, AWS services (Lambda, SQS, SNS, DynamoDB), AWS certifications, Cybersecurity awareness Strong communication skills and the ability to document your work clearly. Independent, reliable, and comfortable taking ownership of projects. Fluent in English, both spoken and written. Based in Berlin Benefits Office in Berlin Deutschlandticket Be part of mula's authentic, diverse and culturally-focused team Regular team events The opportunity to actively shape the company Flexible working hours About us mula. is a fast-growing HR- and Tech Startup integrating and streamlining the design, purchase, storage and distribution of promotional goods in the most efficient way possible. We are building a powerful digital platform with unique capabilities to revolutionise and emphasise the importance of employer branding.