Senior Software Engineer - Python / FastAPI / Kafka (100%)

Project overview

For a long-term project with our client in Bern (with a remote component), we are looking for a Senior Software Engineer.

Key Facts

Responsibilities

Must-Have Requirements

Nice-to-Have Requirements

Further Information

Additional Information- Project period: 01.11.2026 - 31.10.2027 with option for extension- Workload: 100%- Location: Ostermundigen with remote component (Wednesday team day; the team is usually on-site on Monday, Wednesday, and Thursday)

Let’s power the future together

From business case to implementation: As a leading consulting firm for strategic transformations, we are a trusted partner for our clients - and for our employees. Responsible, high-performing, and always with a focus on people. #WeAreWavestone

With our 360° portfolio of consulting services, we combine first-class industry expertise with a broad spectrum of cross-industry competencies, work interdisciplinarily, and think outside the box. We can thus offer our partner companies and freelancers comprehensive perspectives within our own projects and support them as a long-term framework contract partner in filling project vacancies – promptly and directly.

We look forward to hearing from you!

Your direct contact at Wavestone

Lejla Nametak

Phone: [contact removed]

Email: [contact removed]

• Technical leadership of an agile development team without disciplinary responsibility
• Development of modern backend solutions with Python
• Conception, design, and implementation of cloud-native microservice architectures
• Co-design and further development of the target architecture
• Conducting code reviews and ensuring high quality standards
• Coaching and mentoring of developers in the team
• Definition and establishment of best practices regarding architecture, clean code, testing, and software quality
• Development of performant REST APIs with FastAPI
• Development of event-driven applications with FastStream and Apache Kafka
• Design and implementation of API management concepts
• Deployment and operation of containerized applications on OpenShift and Kubernetes
• Support in the setup and further development of CI/CD pipelines and DevOps processes
• Close collaboration with system architects and adjacent development teams
• At least 8 years of professional experience in professional software development
• Several years of experience as a Senior Developer, Technical Lead, or Lead Engineer
• Excellent knowledge of Python and modern Python frameworks, especially FastAPI
• Experience with FastStream and event-driven architectures
• Very good knowledge in the development and operation of microservices
• Profound experience with Apache Kafka
• Several years of experience with Kubernetes and OpenShift
• Very good knowledge in API management as well as in the design and development of REST APIs
• Experience in creating and evaluating software architectures
• Demonstrable experience with code reviews and the establishment of development standards
• Experience with Clean Architecture, Clean Code, Domain-Driven Design (DDD), and test automation
• Very good knowledge of Git and modern CI/CD processes
• Experience with agile development methods such as Scrum and Kanban
• Strong communication skills, analytical thinking, and a high awareness of quality
• Very good German and good English skills
• Technical leadership skills and role model function
• High initiative and sense of responsibility
• Ability to clearly communicate architectural decisions and establish them within the team
• Enjoy passing on knowledge and professionally developing developers
• Structured, solution-oriented, and pragmatic approach to work
• Experience in the telecommunications environment, especially with OSS/BSS, network management, provisioning, or service orchestration
• Knowledge of TM Forum Open APIs, Open Digital Architecture (ODA), or comparable industry standards
• Experience with cloud-native architectures and DevSecOps
• Knowledge in the area of observability, for example with Prometheus, Grafana, or OpenTelemetry
• Experience with Infrastructure as Code, for example with Terraform or Ansible

Project details

16.11.2026

Not known

100%

Type of engagement:

Bern

Country: Switzerland

• Start: 2026-11-16
• Remote: onsite
• Location: Bern, Schweiz, CH
• Languages: German