This position is at T-Systems

The selection process will be entirely managed by T-Systems.

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Job Description 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. Activity Description 1. Software & Database Development

- 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.

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.

3. Agile Team Collaboration

- 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.

Qualifications Must Have

- 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).
- German language skills are an advantage.

Nice to Have

- 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.
- 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.

Additional Information 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

- Versátil 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 specialists 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.

Your Task

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.

Responsibilities

Software & Database Development

- 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

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

Agile Team Collaboration

- Collaborate closely with Product Owners, Data Engineers, Architects, and Business Analysts
- Work in an international agile team within Deutsche Telekom
- Collaborate daily 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

Your Profile

We are seeking a Software / Database Developer with strong expertise in cloud-based data solutions, SQL development, and modern data engineering tools on Google Cloud Platform, combined with experience in agile methodologies and collaborative teamwork.

Must Have Skills

- 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)

Nice to Have Skills

- German language skills
- 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
- Interest in evaluating and adopting emerging AI technologies to enhance data engineering, analytics, and software development processes
- Telecommunications industry experience
- 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

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📌 Software / Database Developer (M/F/D) (Reus)
🏢 T-Systems
📍 Reus