Senior Backend Engineer: Data Pipelines Python & AWS Boulder

BranchLab is seeking a backend-focused Senior Software Engineer to join our Boulder-based team and help architect and build the systems powering our privacy-first, data-driven platform. This highly hands-on role combines backend engineering, distributed systems, data infrastructure, and cloud-native development. You’ll own significant parts of the platform, designing scalable systems to process, transform, and query large volumes of anonymized healthcare data and building the services that turn