Senior Python Developer

Coplanet AG is a Switzerland-based AI company building a next-generation agentic AI platform. The product is currently in beta and preparing for commercial launch within the coming months. The company is expanding its European engineering team.

• 5+ years of professional software engineering experience
• Strong expertise in Python development
• Solid background in backend engineering and application architecture
• Experience designing and building scalable production systems
• Strong understanding of software design principles and engineering best practices
• Hands-on experience with system design and distributed architectures
• Experience working with cloud environments, preferably AWS
• Experience with containerized applications and Kubernetes
• Strong problem-solving skills and ownership mindset
• Ability to work effectively in a remote, international environment
• Fluent English communication skills

Nice to have:

• Experience building AI-powered products or platforms
• Experience with agentic AI systems, LLM applications, or orchestration frameworks
• Familiarity with React and modern frontend technologies
• Experience in high-growth startup environments
• Knowledge of MLOps or AI infrastructure

• Design, develop, and maintain scalable backend services using Python
• Contribute to system architecture and technical design decisions
• Build reliable, secure, and high-performance APIs and distributed systems
• Collaborate with product and engineering teams to deliver new platform capabilities
• Improve application performance, scalability, and maintainability
• Participate in code reviews and promote engineering best practices
• Support cloud-native deployments and infrastructure improvements
• Help shape the future technical direction of the platform