Senior Software Engineer (Python)

For our client, we are looking for an experienced Software Engineer who operates confidently in large-scale Kubernetes environments, actively shapes complex software and platform architectures, and brings both strong hands-on expertise in Python as well as a high level of ownership and quality mindset, in order to further develop and reliably operate global Kubernetes infrastructures through automation, API design, and robust software solutions. Start date: asap Latest Start date: 01.08.2026 / by arrangement End date: 12-months contract (with the chance for extension) Workload: 80-100% Contract Type: Contracting Location: Kaiseraugst Your Tasks: Coding! including contributions to open source software that we use or maintain Writing and implementing design documents (RFCs) Documenting your creations, as well as ensuring great automated test coverage Serving as a role model - and helping the team to follow software engineering best-practices Your Profile: Highly motivated Software Engineer with ownership mindset 7+ years of experience in software engineering, ideally in large-scale or high-growth environments Strong background in scalable systems and modern engineering practices Recent hands-on experience with Python Business domain: compute infrastructure & platforms Experience with Kubernetes (usage, concepts, and operations) Familiarity with public cloud environments such as AWS Experience in test automation, ideally with pytest Proactive, solution-oriented, and eager to take responsibility English fluent is a MUST Nice to haves: Interest in or experience with tools such as HashiCorp Vault, FluxCD, Kustomize, Terraform, Grafana, GitLab, Slack, and Linear Sounds like a great job? Then we look forward to receiving your complete application documents through our online application form.