Senior Backend Software Developer I Full-time or Part-time I Hybrid

Who We Are & What We Offer

At Connected Consumables, our mission is to transform cancer care through innovative medical technologies that make infusion treatments safer, more efficient, and more accessible. As part of our collaborative and agile team, you’ll contribute to impactful products (Onctopus, OnctoDose & our infusion pump interface) by building robust backend systems that power our software and medical devices. You’ll play a key role in shaping reliable, secure, and scalable solutions while growing both technically and professionally in a supportive, flexible work environment.

• Meaningful Impact: Directly improve the lives of cancer patients and caregivers.
• Architectural Influence: Shape and evolve the backend architecture of our core products.
• Tech Synergy: Work at the intersection of modern backend systems, software, and medical hardware.
• Flexibility: Remote-friendly hybrid work model, with regular opportunities and expectation for in-person collaboration at our Dresden office with full-time or part-time options
• Ownership Culture: A collaborative environment built on responsibility and joint problem-solving.

Tasks

Your Responsibilities

• Designing, developing, and maintaining scalable backend services and APIs for our medical software solutions
• Taking ownership of the backend architecture and driving the evolution of robust, high-performance systems
• Building and optimizing secure RESTful APIs ( and implementing authentication mechanisms (OAuth2, OpenID Connect, JWT)
• Designing and managing efficient data models using relational databases such as PostgreSQL
• Implementing containerization and orchestration solutions (e.g., Docker, Kubernetes) for scalable deployments
• Monitoring and improving system performance using modern observability tools (logging, tracing, monitoring)
• Maintaining and improving CI/CD pipelines, build tooling, and testing infrastructure
• Driving code quality through reviews, testing, and best practices across the codebase
• Collaborating closely with cross-functional teams such as frontend, hardware, and regulatory
• Contributing to technology decisions and the long-term architectural vision of our backend systems

Requirements

Your Profile

• Extensive professional experience in backend software development
• Proficiency in at least one object-oriented programming language
• Fluency in English for effective professional communication.
• Strong experience with relational databases, particularly PostgreSQL
• Experience in or interest in containerization and orchestration technologies
• Experience in designing and building secure APIs
• Solid understanding of authentication and authorization standards
• Collaborative mindset to work across hardware and software boundaries
• High level of technical ownership and commitment to high-quality code
• Analytical approach to solving complex architectural challenges
• Experience in the development of medical devices/medcial software is a plus

Benefits

Your Working Environment

You can expect a collaborative and supportive work environment where team spirit and mutual respect are at the core of how we work together. As an agile start-up, we foster initiative and offer a dynamic setting in which you can actively shape your day-to-day work. We are committed to your professional and personal development and support continuous growth. Our flexible working model is remote-friendly, while we also value and genuinely enjoy in-person collaboration at our Dresden office whenever possible. In addition to a competitive salary, we offer benefits such as a Germany-wide public transport ticket (Deutschlandticket) and bike leasing (JobRad).

Ready to help shape the future of medical technology? Then we look forward to receiving your application! Send us your resume and a brief cover letter describing your motivation and experience.