Data Engineer

Company: Cititec
Apply for the Data Engineer
Location: Greater London
Job Description:

We are working with a leading organisation in the energy and commodities sector, supporting the transition to a more sustainable and increasingly complex energy landscape.

As part of a growing Data Platform team, you will play a key role in building modern, scalable data infrastructure that supports analytics, trading insights, and operational decision-making.

This role offers the opportunity to work on a cloud-native data platform using AWS and Databricks, handling large-scale datasets across trading, finance, and operational domains.

Key Responsibilities

  • Build and maintain scalable ETL and ELT pipelines using Python and PySpark
  • Ingest data from multiple source systems including trading, finance, and operational platforms
  • Design and implement data transformations within a Databricks Lakehouse environment
  • Work with AWS services such as S3, Kinesis, IAM, and Lambda to support data ingestion and processing
  • Optimise Spark jobs for performance and cost efficiency
  • Support the full data lifecycle from ingestion through to delivery
  • Implement data quality checks to ensure accuracy and reliability of data
  • Contribute to data governance standards and best practices
  • Support the development of a secure and scalable data platform
  • Work closely with analytics and BI teams to deliver high-quality datasets
  • Support onboarding of new data sources and business areas
  • Collaborate with engineering, operations, and business stakeholders

Requirements

  • 3 to 6 years of experience in data engineering or analytics engineering
  • Strong Python skills with experience using PySpark or Apache Spark
  • Experience building and maintaining production-grade data pipelines
  • Hands‑on experience with Databricks, including Delta Lake and Lakehouse architecture
  • Strong knowledge of AWS services such as S3, Kinesis, Lambda, or IAM
  • Proficiency in SQL and data modelling
  • Experience within energy, utilities, or commodities trading environments
  • Exposure to streaming or real‑time data pipelines
  • Familiarity with CI/CD practices for data engineering workflows

This is an opportunity to work on high-impact data systems in a rapidly evolving sector, contributing to the build of a modern cloud-based data platform while working in a collaborative and technically strong environment.

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Posted: April 10th, 2026