Senior Software Engineer Python (m/f/d)

Your mission

• You design, build and evolve reliable backend systems and APIs in Python, making architecture and implementation choices that stand up to real-world complexity
• You take technical ownership end to end: you clarify the problem, identify risks and dependencies, choose pragmatic solutions, and remain accountable for quality in production
• You work across different parts of the system, integrations, data flows and infrastructure, and understand how technical decisions affect the rest of the product
• You raise the engineering standard through thoughtful code reviews, testing, observability, maintainability, and constructive technical discussions
• You work closely with a Product Manager and fellow engineers, challenge assumptions constructively, and connect technical decisions to customer and business outcomes
• You mentor other engineers, share knowledge, and help the team grow by enabling them to do their best work
• Your focus is backend engineering. You are comfortable making smaller frontend changes when needed

Your profile

• You have senior-level experience building complex software and owning technical decisions end to end
• Python is one of your strongest technologies, and you are confident designing and maintaining backend services and APIs
• You have hands‑on experience with AWS and Kubernetes, and are comfortable working with Docker
• You are a power user of agentic software development tools (ideally, have experience with Claude Code and/or GitHub Copilot), and you know how to boost your productivity with them safely and responsibly
• You care about code quality and write well‑tested, maintainable software.
• You communicate technical decisions clearly, collaborate effectively and contribute to constructive discussions
• You have experience mentoring engineers through code reviews, onboarding or knowledge sharing
• Hands‑on experience with agentic frameworks like LangChain is a big plus.
• Experience with Flask, MongoDB, React, TypeScript, or Node. js is a plus, but not required
• You have very good spoken and written English skills (C1 or above)
• Good spoken and written German skills (B1 or above) are a big plus

Conditions & Benefits

• An open‑minded and friendly team working with agile methods - as proven by our Kununu Score of 4,6
• Flexible & hybrid working
• 60 days of workation per year in the EU
• Company events & sports offers
• Company pension scheme
Childcare allowance
• Diverse development opportunities and a continuing education budget

About us

casavi is a growing PropTech company based in Munich, Germany. Since 2015, our software has enabled more than 2000 property management and housing companies in German‑speaking countries to digitalise their daily processes by automating workflows. More than 120 employees work every day to optimise our product and accelerate casavi's growth. Our cloud solution connects property management companies, housing companies, tenants, owners and service providers in one central system. Functions such as intelligent process management, a customer portal with an app, integrated partner solutions and our service provider platform relay ensure more efficient processes, better communication and a noticeable reduction in workload. With the rapid development of technology and the emergence of AI, we are changing the way property managers simplify their daily work and offer their customers a better experience. To achieve this ambitious goal, we are looking for talented and motivated people to join our intercultural and diverse team with their expertise.