congstar GmbH | Germany | 50xxx, 51xxx Köln | Permanent position | Full time / Home office | Published since: 19.03.2026 on stepstone.de
App IT-Analyst*in (/-) (m/f/d)
Fairness, diversity and you. We are a colorful team of over 300 congstars and are one of the best employers and leading telecommunications providers in Germany. You can find us in the heart of Cologne in the beautiful Rheinauhafen or remote in the Homeoffice. As part of Deutsche Telekom, we offer the best of both worlds: We combine flexibility of a start-up with the security of a group in the back. Diversity inspires us – our own and yours. With us it is allowed and even desired to question things. What we're doing is really fun and you'll notice. We are colorful, we are creative and we have Bock – on you! !
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Your tasks • Your profile • What we offer
Strategy: Together with your cross-functional team, you are pushing forward the further development of our mobile apps (iOS/Android) and the related backend services – from the first idea to API design to observability in running operation. Bridge builder*in: The translation of business requirements into clear technical specifications (e.g. API contracts) is in your hand. Prioritize tasks with the Product Owners and accompany the implementation to the Go level. Analytical vision: Technical and technical dependencies are identified by you and solution options are evaluated to make data-based stressable recommendations. Data-Driven: Telemetry data such as logs, metrics and traces can be combined with business KPIs to derive concrete improvements for UX, stability and performance. Smart Working: AI tools use responsibly and efficiently to optimize analysis, documentation, testing and dev workflows.
Experience: In app development projects, you know the best and always look at both the frontend (mobile) and the backend (microservices). Communication strength: Dissolving complex problems and moderating technical decisions is your thing. You agree with PO, Dev, QA, operation and stakeholders and document where it makes sense. Mindset: Pragmatic, valuable and solution-oriented approach challenges. You are open to new things, especially for AI-based working methods, and always keeps topics such as privacy and compliance in mind. Knowledge Durst: Learning new prepares you joy – and you proactively share this knowledge with your team. Humor: laughter is part of your work. Daily. Several times.
Flexible working hours & Hybrid working model: up to 70% remote work possible Health & Sports: Health Check, Yoga, Workouts or Business Runs Corporate Benefits: Discounts for selected partners Further development: study funding, seminars or trade fairs Events: Social Days, Summer Festivals, Launch Parties, Christmas parties Mental well-being: Free access to a mental health platform including single and group sessions as well as webinars with psychological experts and coaches for your mental well-being Workation: up to 20 days/year possible in EU countries Flexible holiday: up to 70 days vacation per year Mobility: Subsidies Germany ticket and bicycle leasing Family: Childcare allowance Occupational pension
Location
 | congstar GmbH | |
| 50678 Köln | ||
| Germany |
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