Senior Data Engineer (Pandas, Polars, PySpark)

Senior Data Engineer (Pandas, Polars, PySpark)

Position Description
Our Senior Data Engineers are trusted to work closely with a wide range of clients on exciting projects with real-world purpose and impact.

CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee.

We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go.

Your future duties and responsibilities
• Develop ETL pipelines using python to scrape data from a wide variety of sources (APIs, SFTP servers, websites, emails, pdfs, etc.)
• Deploy, orchestrate and maintain the pipelines on Airflow
• Use python web-scraping libraries for data extraction (requests, Beautiful soup, selenium, etc.)
• Handle structured, semi-structured and unstructured data formats
• Use data processing python libraries to carry out data transformations (pandas, polars, etc.)
• Familiar with pytest testing framework for unit and component tests
• Work closely with the platform and framework teams to help maintain and improve the scraping platform
• Be comfortable using SQL to query datasets (Databricks, PG and MSSQL)
• Help promote and disseminate data best-practice data processing techniques with the wider team
• Carry out code reviews to help improve and standardise the code quality across the repo
• Run and maintain automated CI/CD pipelines (ADO pipelines and Jenkins)
• Help upskill and onboard team members across a range of locations (including off-shore offices)

Required qualifications to be successful in this role
• Python Pandas and/or Polars
• Web Scraping, including using Selenium
• SQL
• Azure DevOps
• Airflow

Hybrid working - 2 days in London office

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Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.