Senior Data Engineer

Role: Senior Data Engineer

Location: London – The JJ Mack Building, 33 Charterhouse St, EC1M 6HA

Type of work: Contract

Mode of work: Hybrid – 2days Onsite in a week

JD:

Essential skills/knowledge/experience:

* Experience with AWS data stack (S3, EMR, EC2, etc.)

* PySpark

* Production-grade data pipelines

* Performance optimisation and large-scale data processing

* Snowflake

* Data modelling (RDV/BDV or similar patterns preferred)

* Query performance tuning

* DBT (or equivalent SQL transformation framework)

* Development of modular, testable data models

* Experience working in structured transformation frameworks (e.g. dbt, Grid-style approaches)

* CI/CD & DevOps

* Hands-on experience with GitHub Actions (or similar)

* Exposure to Infrastructure-as-Code (e.g. Terraform)

* Experience working in engineering-led environments with strong SDLC practices

* General engineering maturity

* Strong software engineering principles (testing, modularity, version control)

* Experience working in cross-functional product/data teams

* Ability to contribute to design and solutioning discussions