Teamwire is a secure Business Messenger App developed for mobile collaboration and mission-critical communication.We are a safe alternative to WhatsApp for enterprises, the public sector, and healthcare.More than half of the German police use our secure messenger app to supplement digital radios.The app has been specially developed for operational scenarios of the police (or fire brigade or disaster control, etc.) and can do much more:Optimal coordination of operations thanks to live location and alerting function.Real-time transmission of photos + videos.Secure communication (100% GDPR-compliant + ISO-certified + state-of-the-art encryption technology + full data sovereignty)This enables the police to act faster in manhunts and missing persons cases, benefiting people in danger.Operations during demonstrations, natural disasters, and major events can be coordinated more safely and effectively.Our international, experienced, and full-remote teams work with agile processes. The organization focuses on good collaboration, positive results, and significant growth.We seek a Senior Python/Django Developer (m/f/d) for our backend team to achieve great things.Your Profile You communicate fluently in English, with clarity in both speech and writing.You are good at communicating your ideas.You are proactive, communicative, and self-directed.You have deep Python and Django knowledge with at least 5 years of professional experience.You are committed to creating and documenting performant, readable code that scales in different environments.You have hands-on experience dealing with distributed systems.You are proficient in writing unit tests and designing load tests.You have experience working with WebSockets, push notification services, DRF, and MySQL/MariaDB.You have excellent debugging skills.You are familiar with Docker and CI pipelines.You are comfortable using Domain Driven Design.You are not afraid to tidy up and improve existing code when needed. Your Responsibilities You will work in a cloud environment with modern architectures where scalability, high availability, extensibility, and resilience are essential.You will analyze, design, and implement highly performant and technically complex systems.You will work in an engineering team on various development topics.You will own engineering tasks and projects and drive these initiatives by yourself.You will develop elegant algorithms and write clean as well as maintainable code.You will write test cases and prepare documentation.You will contribute to defining how to improve performance and scalability.You will participate in code reviews. What We Offer