Data Engineer

The Graduate Project; Cardiff; On-site; GBP 55,000 - 75,000; Full time

Job summary

The Graduate Project in Cardiff is seeking an experienced Data Engineer to join a high-performing technical team in a pivotal public sector digital transformation programme. You will design, build, and maintain cloud-based data solutions supporting data-driven decision making.

Working in an Agile environment, you’ll help develop scalable data platforms, optimise data pipelines, and contribute to robust, secure data products while collaborating with stakeholders across the business.

Qualifications

• Strong experience designing scalable cloud-based data solutions.
• Experience with cloud data platforms, ideally Google Cloud Platform (GCP).
• Solid knowledge of data modelling and data warehousing concepts.

Responsibilities

• Design, develop and maintain scalable cloud-based data solutions
• Build and optimise ETL and ELT pipelines
• Support migration of data services to cloud environments
• Develop and maintain data products for reporting and analytics
• Implement CI/CD processes and engineering best practices
• Monitor, troubleshoot and improve data platform performance
• Collaborate with stakeholders to gather requirements and deliver solutions
• Ensure data quality, governance, and security standards
• Contribute to data architecture, documentation, and improvements
• Collaborate within multidisciplinary Agile delivery teams

Skills

Python

SQL

Data pipelines

Cloud platforms (GCP)

Databases

Git

Data modelling

Big data

Workflow orchestration

Agile delivery

Stakeholder comms

Tools

Git

Docker

BigQuery

Spark

Dataproc

Job description

Organisation | Public Sector / Digital Transformation

A leading organisation undergoing a significant digital transformation programme is seeking an experienced Data Engineer to join a high-performing technical team.

This is an exciting opportunity to play a key role in designing, building, and maintaining modern cloud-based data solutions that support data-driven decision-making across the organisation. Working within an Agile environment, you'll help develop scalable data platforms, optimise data pipelines, and contribute to the delivery of robust, secure, and high-quality data products.

Responsibilities

• Design, develop and maintain scalable cloud-based data solutions
• Build and optimise ETL and ELT pipelines
• Support the migration of existing data services into cloud environments
• Develop and maintain data products that support reporting and analytics
• Implement CI/CD processes and engineering best practices
• Monitor, troubleshoot and improve data platform performance
• Work closely with technical and business stakeholders to gather requirements and deliver effective solutions
• Ensure data quality, governance, and security standards are maintained
• Contribute to data architecture, documentation, and continuous improvement initiatives
• Collaborate within multidisciplinary Agile delivery teams

What They're Looking For:

• Strong experience with Python and SQL
• Experience building and maintaining enterprise data pipelines
• Experience working with cloud technologies, ideally Google Cloud Platform
• Knowledge of relational databases and data warehousing
• Experience with version control tools such as Git
• Understanding of data modelling principles
• Experience working with large-scale datasets
• Knowledge of workflow orchestration tools
• Strong stakeholder engagement and communication skills
• Experience working within Agile delivery environments

Desirable Experience:

• Google Cloud certifications
• Experience with Docker or containerisation technologies
• Exposure to BigQuery, Spark, Dataproc, or similar technologies
• Knowledge of DataOps and DevOps practices
• Understanding of UK GDPR and data governance principles