Software / Database Developer (m/f/d)

T‑Systems is part of the Deutsche Telekom Group, with around 30.000 employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers’ experience.

We trust people: we offer autonomy, continuous support, and a collaborative environment where you can grow without limits. We are one global team, guided by respect, integrity, and a passion for doing better every day.

The Software / Database Developer will be part of an agile international team responsible for designing, developing, and maintaining modern cloud-based data solutions on Google Cloud Platform (GCP). The role focuses on building scalable data pipelines, developing SQL-based data models, and supporting data-driven business processes. Working closely with Product Owners, Data Engineers, Data Analysts, and Solution Architects, the developer contributes to the continuous improvement of the company's cloud-based data platform while ensuring high standards for quality and maintainability.

• Design, develop, and maintain scalable data pipelines and database solutions on Google Cloud Platform.
• Develop efficient and maintainable SQL code for data transformation and reporting.
• Build and optimize data models using dbt (Data Build Tool).
• Develop and maintain ETL processes.
• Optimize database performance and query execution.
• Perform unit testing and support integration testing activities
• Develop cloud-native solutions using Google Cloud Platform services.
• Work with BigQuery as the primary data platform.
• Support deployment and release activities.
• Collaborate closely with Product Owners, Data Engineers, Architects, and Business Analysts.
• Working in an international agile team within Deutsche Telekom.
• Daily collaboration with business experts, architects and software engineers located in Germany and Nearshore locations.
• Participate in Sprint Planning, Refinements, Daily Stand-ups, Reviews, and Retrospectives.
• Contribute to technical solution design and architecture discussions. - Review code and ensure compliance with development standards and best practices.
• Continuously improve development processes and engineering practices.

• Strong experience in software development with a focus on database development.
• Excellent SQL programming skills. - Hands-on experience with Google Cloud Platform (GCP).
• Strong knowledge of BigQuery.
• Experience with dbt (Data Build Tool).
• Experience with Apache Airflow for workflow orchestration.
• Experience using Git for version control.
• Experience with CI/CD concepts and DevOps practices.
• Knowledge of relational database design and data modeling.
• Experience with REST APIs and data integration concepts.
• Familiarity with Agile software development (Scrum and/or SAFe).
• German language skills are an advantage.

• Experience using AI-assisted software development tools (e.g., GitHub Copilot, or similar) to improve development efficiency and code quality.
• Experience integrating Artificial Intelligence (AI) and Machine Learning (ML) capabilities into data products and data-driven solutions.
• Knowledge of Generative AI, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), or AI-powered data engineering concepts is an advantage.
• Interest in evaluating and adopting emerging AI technologies to enhance data engineering, analytics, and software development processes.
• Telecommunications industry experience.
• Soft Skills - Strong analytical and problem-solving skills.
• Structured and solution-oriented working style.
• Strong collaboration skills within international teams.
• High level of ownership and accountability. - Continuous learning mindset.
• Ability to work independently.
• Attention to detail and commitment to high-quality deliverables.
• Customer-oriented mindset.
• Proactive and hands-on attitude.

• T-Social: socialinitiatives(sports,community,health, ...).
• Hybridworkmodel(remote/on-site).
• Flexibleworkinghours.

• Weeklylanguageclasses(English & German).
• InternationalMentoringSessions&ExperienceDays.
• Flexiblecompensationplan (healthinsurance,mealvouchers,childcare,transport).
• Socialfund.

• 26+working