Job Description

IT / Essen Headoffice / Hybrid / Vollzeit / iSE02611


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 6,300 employees in 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


Develop and maintain modern frontend applications using Angular, TypeScript, HTML, and CSS Design and build highly responsive UI components, data visualizations, and interactive reports Contribute to architecture and design decisions for frontend technologies, performance, and accessibility Work closely with designers to ensure a seamless bridge between UX and engineering Write clean, maintainable, and testable frontend code – and support your colleagues through code reviews Drive CI/CD, automated testing, and quality practices within the frontend domain Collaborate with your cross-functional squad to solve real-world challenges and deliver user-centered solutions Contribute actively to the Frontend Engineering Guild, helping set standards and introducing new topics, tools, and best practices What we require of you


A degree in Computer Science, Business Informatics, or a comparable qualification Several years of experience implementing complex software projects with a strong focus on modern frontend development Deep experience with TypeScript, Angular, HTML, CSS, JavaScript and ideally Tailwind CSS and Figma Strong quality mindset and hands-on experience with testing frameworks and automated quality assurance Structured working style combined with strong analytical and conceptual skills Excellent communication skills and a high motivation to collaborate across roles You enjoy sharing knowledge and helping your squad and chapter continuously improve You are fluent in English (German is a plus) 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' vacation per year and flexible working hours, including the opportunity to work up to 50% of the week on a mobile basis Secure good prospects for yourself: We are an internationally successful company with agile working methods and an open corporate culture. 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!