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Software / Database Developer (m/f/d)

T-Systems Iberia

Responsibilities

  • 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.
  • 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 2.
  • Cloud Engineering Develop cloud-native solutions using Google Cloud Platform services.
  • Work with BigQuery as the primary data platform.
  • Monitor data quality.
  • Support deployment and release activities.
  • 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.

Requirements

  • 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 developing ETL pipelines.
  • Experience with REST APIs and data integration concepts.
  • Familiarity with Agile software development (Scrum and/or SAFe).

Preferred

  • 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.

Must Have

German language skills are an advantage.

Soft Skills

Strong analytical and problem-solving skills. Structured and solution-oriented working style. Good communication skills. 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.

What do we offer you? Work environment & flexibility International, dynamic and collaborative environment.

T-Social

social initiatives (sports, community, health, ...). Hybrid work model (remote/on-site). Flexible working hours.

Growth & development Customized training

access to Coursera to learn whatever you want, whenever you want. Weekly language classes (English & German). International Mentoring Sessions & Experience Days.

Compensation & benefits

Flexible compensation plan (health insurance, meal vouchers, childcare, transport). Telemedicine. Life and accident insurance. Social fund. Wellbeing & time off 26+ working days of vacation per year. Free access to specialist services (medical, legal, wellness). 100% salary coverage during medical leave. And many more advantages of being part of T-Systems! If you are looking for a new challenge, do not hesitate to send us your CV! Please send CV in English. Join our team! T-Systems Iberia will only process the CVs of candidates who meet the requirements specified for each offer.

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.