Data Engineering Jobs

ClickHouse · United Kingdom

Owns database performance end-to-end on a petabyte-scale cloud analytics database, driving improvements across query execution, filters, aggregation, joins, indexes, memory management and scheduling. Involves architecting optimised algorithms, safe production rollout, external talks and mentoring junior engineers.

J&J Search · Bath · £80,000 – £100,000 pa

Owns the enterprise data strategy and roadmap for a UK wealth management group, defining architecture and leading the technical build of a data warehouse, lake and pipelines. Combines governance, data quality and lineage work with hands-on engineering in Microsoft Fabric and Azure, partnering with the IT Director and senior stakeholders across multiple group businesses.

ClickHouse · United Kingdom

Conduct applied research on open-source database systems like ClickHouse and PostgreSQL, focusing on query optimization, execution engines, distributed systems, indexing, and emerging agentic workloads. Design and evaluate new algorithms and prototypes, analyze production workloads, and work with engineers to ship improvements, with encouragement to publish at venues such as SIGMOD and VLDB.

Harnham - Data and Analytics Recruitment · London · £75,000 – £90,000 pa

Builds and optimises automated email journeys, remarketing campaigns and conversion tracking for a growing InsurTech business. Works hands-on with JavaScript/Node.js, SQL, BigQuery, Salesforce and AWS to create audiences, API integrations and reliable marketing automations, translating commercial requirements into technical solutions alongside marketing and engineering.

Deerfoot Recruitment Solutions · Hertfordshire · £50,000 – £55,000 pa

Build a new Azure data platform from scratch for a UK group, working end to end from stakeholder requirements through data modelling to pipeline delivery. Develop metadata-driven pipelines in Python and PySpark across Synapse, Data Factory and PostgreSQL, support BI users and join an out-of-hours rota.

Harnham - Data and Analytics Recruitment · London · £90,000 – £100,000 pa

Design, build and own end-to-end data pipelines for real-time and batch analytics on high-volume, low-latency use cases. Work with Python, SQL, PySpark, AWS (S3, Glue, EKS), Snowflake, dbt, Iceberg and Dagster/Airflow, applying software engineering practices like CI/CD, testing and version control. Collaborate with analytics, product and engineering teams in a fully remote UK/Europe team.

eFinancialCareers · London · £90,000 – £115,000 pa

Lead data architecture across complex client transformation programmes, covering data modelling, flows, migration, governance and modern cloud data platforms. Provide technical leadership, assurance and technology selection guidance while mentoring junior architects. Remote-first UK role in a growing Data & AI consultancy practice, with public sector or healthcare experience valued.