
Senior Full Stack Developer (m/f/d)
At WHATEVER.WORKS, we are building a modern platform that powers digital leasing processes end-to-end. Our goal is to create smart, scalable solutions that automate workflows, streamline operations, and continuously evolve with the needs of our partners and users. We are currently undergoing a major technological transformation: existing components are being modernized or completely reimagined as we build a robust, future-proof, and scalable platform for the leasing industry.
As a Senior Full Stack Software Engineer (m/f/d), you will work in an interdisciplinary team closely collaborating with DevOps, QA, Product Owners, and business departments to develop innovative, high-performance, and maintainable software solutions.
If you enjoy designing modern software architectures and actively driving the digitalization of leasing processes, then this is the perfect role for you.
Senior Full Stack Developer (m/f/d)
Your Responsibilities
Develop and enhance internal leasing software
Translate business requirements into performant, maintainable applications
Analyse, debug, and continuously improve existing modules
Participate actively in code reviews and ensure high code quality
Maintain and further develop technical documentation and concepts
Collaborate closely with Product Owners, QA, DevOps, and business stakeholders
Contribute to our technological transformation toward a modern, scalable platform
Your Profile
Degree in computer science or a comparable qualification
At least 5 years of experience in modern software development, ideally in a SaaS environment
Strong knowledge of our tech stack: Kotlin, Node.js, React, PostgreSQL, MongoDB, or similar technologies
Experience with CI/CD processes and automated testing
Analytical mindset, strong quality awareness, and a structured way of working
A team player who enjoys knowledge sharing, collaboration, and continuous improvement
English skills (C1) German knowledge is a plus
What We Offer
Agile Collaboration & Room for Innovation
You will work in an agile setup, contribute to our tech transformation, and have the freedom to introduce and shape modern methods and tools.
Maximum Flexibility
Flexible working hours and hybrid work options
Remote-friendly environment
Up to 40 days of workation per year
Mobility & Benefits
Your own JobRad, €100 monthly mobility budget
Culture & Community
Open, respectful collaboration at eye level
Space for ownership, co-creation, and personal development
Team events & a trust-based work environment
Great Workplace
Modern office in the heart of Freiburg
Excellent infrastructure and an outstanding company restaurant
We are committed to building a diverse team and explicitly encourage applications from all people – regardless of origin, nationality, social background, gender identity, sexual orientation, religion, physical or mental abilities, or age.
If you’re excited about redefining modern leasing processes and helping us shape the future of our platform, we look forward to your application!
