App Developer – Energy Saving Solutions (*) in Essen bei ista

ista

You want your work to have an impact. Real impact. Ever thought about where most CO2 emissions come from? It's not planes. It's not Bitcoin, either. It's buildings. So why not join a company that already measures energy in 5 million households? And help transform that data into actionable insights?

At ista, your ideas can make a real difference. Apply now and join us as:

**App Developer – Energy Saving Solutions (*)**

Your responsibilities

As a Frontend Developer for our Energy Saving Solutions, you are responsible for the frontend part of our Angular based mobile app, together with your squad you will be working on continuous improvement and new features of ista’s tenant app. Your tasks will mainly be the following:

Collaborate with cross-functional teams to gather requirements and develop a mobile application using Angular and the Ionic Framework
Deploy applications to the iOS App Store and Google Play Store while adhering to respective guidelines and requirements
Ensure the performance, quality, and responsiveness of application
Troubleshoot and debug the application to optimize performance and fix bugs
Continuously discover, evaluate, and implement new technologies to maximize development efficiency
Stay up-to-date with the latest industry trends, techniques, and best practices in mobile application development
Collaborate with the UX/UI team to create intuitive user interfaces and seamless user experiences

Your background

Bachelor's degree in Computer Science, Software Engineering, or a related field.
Proven experience in mobile application development using Angular and the Ionic Framework.
Strong knowledge of HTML, CSS, JavaScript, and TypeScript.
Familiarity with iOS and Android development platforms and their respective guidelines.
Experience with version control systems such as Git.
Solid understanding of RESTful APIs and integration of backend services.
Excellent problem-solving skills and attention to detail.
Strong communication and collaboration skills to work effectively in a team environment.
Ability to adapt and learn new technologies quickly.
Fluency in English; German language skills are a plus.

Our offer

Enjoy many benefits: Look forward to an attractive salary including vacation pay, 30 days of vacation per year, flexible working hours in a modern office building and the opportunity to work remotely
Stay curious and develop yourself: standing still is not an option for us, which is why we support you in every aspect of your journey – plenty of learning opportunities await you
Secure your career: With us, a solid international medium-sized company meets a start-up atmosphere - our future course offers you long-term and excellent career options.
Do the right thing with a sense of purpose and future: Our services save CO₂ and protect the environment - we are working towards a sustainable world of tomorrow

Our team

Diversity, flexibility, fun at work and a great team spirit make our team special
We work in a dynamic environment according to agile methods
You can expect an open culture with a lot of room for new ideas and impulses
We hold great importance to direct communication and fair cooperation

Wir freuen uns auf deine Bewerbung ausschließlich über unser Online-Portal. Falls du noch Fragen hast, kontaktiere uns gerne.

ista SE
Hilda Murday
Luxemburger Straße 1
45131 Essen
Tel. 0201 459-5913

This job ad is addressed to potential new colleagues whether they are female, male or diverse. At ista we are proud of our diverse workforce and we are committed in enhancing it further. We welcome all applicants, regardless of gender, age, disability, nationality, religion or sexual orientation.