Senior Developer - Backend (REF5171D) at DeutscheTelekomITSolutions

The application of Digital construction support (Digitale Baubegleitung) will become the central platform for digitization of construction sites for fiber-rollout in Germany. You will be part of a central team that develops and operates the system. Main goals of the system are: Efficiency for construction supervisors and all related documentation Quality improvements during construction phase Higher degree of automation in billing-process As a senior Backend Developer your tasks will be to: • Collaborate with stakeholders (development teams, PO, Architect, etc.) to ensure smooth operation and development of application • Implement new features based on the requirements brought by the PO using Python/Node.js, JavaScript/TypeScript, SQL&PostgreSQL, building a rich ecosystem of microservices using RESTfull API's  • Implement bugfixes • Write unit tests for new features using Jest • Participate in reviewing merge requests • Incident analyses/troubleshooting, cooperate on root cause analysis • Document your work • To guarantee a high standard of quality, contributes to the test strategy and make decisions on automation technologies • Experience and willingness to work with AI code-assisting toolsThe technical skills that need to be covered are in depth knowledge with: • JavaScript & TypeScript, Node.js • SQL & PostgreSQL database • Jest (unit testing) • Microservice architecture • RESTful APIsNice to have: • AWS S3 • Kafka • Python • Knex.js (as migration tool) • nginX • Docker • ESLint • experience with GeoData analysing Modules / Geospatial Data Analysis oder Geospatial Technologies