Senior Full Stack Developer (m/f/d) - #2197989

Welcome to ista

At ista, we support property owners and managers in making their buildings fit for the future and kind to the planet. That includes tracking and billing energy consumption in a way that’s easy to grasp, to help save energy and cut CO2 emissions. With over 6,000 employees in more than 20 countries, we’re committed to making it happen. Join us and help shape tomorrow, secure in the knowledge that you’re part of a successful company that also offers you the flexibility of agile working practices.

Everyone is welcome at ista, regardless of age, gender, background, sexual orientation, religion or disabilities. We’re proud to be part of a diverse team. Fostering a culture of team spirit and togetherness, we are always there for one another. We set great store by ensuring a healthy work-​life balance for our people. Plus, we offer each and every employee the opportunity to pursue further training and personal development.

Here's what you can look forward to

• Build and maintain full-​stack features across Angular (frontend) and Java/Spring Boot (backend)
• Contribute to clean, consistent design patterns across both layers
• Design APIs and data flows that are simple to reason about
• Collaborate closely with UX, product, and backend-​focused engineers
• Champion quality: from architecture to accessibility to testing
• Take ownership — from design through to deployment and monitoring

What we require of you

• At least 3 years of professional experience with Angular and Java — ideally using both in production
• You know how frontend and backend shape each other — and where to draw boundaries
• Solid understanding of state management, HTTP, and asynchronous flows
• You’ve worked in cross-​functional teams and enjoy it
• You advocate for clean code and design, but stay grounded and pragmatic
• You’re the kind of person others turn to for clarity, structure, and better ways to do things

What we offer you

• Do the right thing with purpose and a future: our services save CO2 and protect the environment - we are working for a sustainable world of tomorrow
• Enjoy many benefits: Look forward to an attractive salary, 30 days' holiday per year and flexible working hours, including the option of mobile working
• Secure good prospects: With us, a solid international medium-​sized company meets a start-​up atmosphere - our future course offers you long-​term and excellent career options
• Stay curious and develop yourself further: standing still is not an option for us, which is why we support you in every aspect of your development - a variety of learning opportunities await you
• Experience a working environment full of trust: We all pull together
• Have fun in a motivated team: Whether it's a barbecue event, international soccer cup or ice cream for everyone in summer - we always come up with something new, so stay tuned!