Data Engineering Jobs in London

• London
• Mid-level

Customer-facing, billable engineering role embedding with clients to design, build and productionize end-to-end data and AI systems on the Databricks platform. You own architecture and design decisions across data engineering, ML/AI model integration and application development, working alongside engagement managers, architects and customer teams, with around 20% travel.

Databricks · Apache Spark · AWS +5

• London
• Senior

Customer-facing engineering role owning architecture and design decisions while building production-grade data, AI and application systems on the Databricks platform. Works embedded with client teams from technical ICs to executives, spanning data engineering, ML/AI integration, distributed Spark workloads and cloud ecosystems, with roughly 20% travel.

Databricks · AWS · Azure +7

• London
• On-site
• £70,000 – £78,000 pa
• Lead

Lead data specialist owning the organisation's Snowflake platform, designing and optimising ETL/ELT pipelines and integrations across multiple business systems. Defines data architecture, governance and security standards while shaping the long-term data roadmap with senior technology leadership. A hands-on role building a modern data capability in-house, with mentoring responsibilities but no large existing team.

Snowflake

• London
• Hybrid
• £80,000 – £85,000 pa

Designs and builds cloud data solutions on Snowflake for a global consultancy's Data and AI function, supporting analytics, ML and emerging AI capabilities. Works on client transformation programmes modernising data platforms, with a focus on security, governance and performance optimisation across AWS, Azure or GCP.

Snowflake · AWS · Azure +3

• London
• Hybrid
• £110,000 pa
• Director

Hands-on leadership role owning the data and analytics strategy, platform and function while managing a small team. Leads architecture and optimisation across Microsoft Fabric, Databricks and Power BI, covering data engineering, pipelines, lakes, warehouses, governance and advanced analytics, predictive modelling and ML, partnering with C-suite stakeholders.

Microsoft Fabric · Databricks · Power BI

• London
• Hybrid · 3 days in office
• Mid-level
• Contract

Designs, builds and supports cloud-based data solutions on Microsoft Fabric, creating ingestion pipelines, lakehouses, warehouses and reporting for Group Finance. Implements Medallion Architecture and ETL/ELT with Data Factory, Notebooks and Spark, plus SQL, Power BI and CI/CD practices. Works with analysts, architects and stakeholders in a 12-month contract role.

Microsoft Fabric · Azure Data Services · Power BI +7

• London
• Hybrid · 2 days in office
• £70,000 – £78,000 pa
• Senior

Design, develop and maintain ETL/ELT pipelines and data models supporting reporting and analytics, while helping implement a new enterprise data platform using Medallion architecture. Work alongside Data and Technical Architects on major transformation programmes, including financial reporting improvements and a legacy core system replacement, with strong stakeholder engagement and ownership expected.

Microsoft Azure · Microsoft Fabric · Informatica +3

• London
• £500 – £600 pd
• Senior

Client-facing consulting role advising pharmaceutical stakeholders on Snowflake architecture and enterprise data governance. You will implement Snowflake Cortex AI and Write-Back, build Collibra cataloging, lineage and GxP-compliant policies, and integrate Collibra with GitHub to parse dbt and LookML lineage via custom APIs.

Snowflake · Snowflake Cortex AI · Snowflake Write-Back +7

• London
• Remote
• £400 – £550 pd
• Mid-level
• Contract

Contract role designing, building and maintaining scalable data models with dbt and SQL, transforming raw data into reliable datasets for analytics and reporting. Works closely with Data Engineers and Analysts to optimise the modelling layer, improve data quality and develop a modern cloud data warehouse, ideally BigQuery/GCP.

dbt · BigQuery · GCP

• London
• On-site
• £80,000 – £90,000 pa
• Lead · manages people

Build and lead a new data engineering function at a scaling AI-powered SaaS business, owning engineering standards, tooling and delivery practices. Stay hands-on with SQL transformation pipelines, Python orchestration, data modelling, CI/CD and production reliability, while line-managing and developing engineers and integrating AI outputs into production pipelines.

Git

• London
• Hybrid · 3 days in office
• £300 – £370 pd
• Senior
• Contract

Documents and redesigns a complex, high-volume transactional platform for a large payments company, producing conceptual, logical and physical data models and defining data standards. Works closely with developers and engineers to implement OLTP and system-of-record database architecture, with a focus on relational technologies such as PostgreSQL, Oracle or SQL Server.

PostgreSQL · Oracle · SQL Server +6

• London
• Hybrid · 1–2 days in office
• £450 – £500 pd
• Contract

Designs and implements a data migration and integration approach between an Azure SQL source system and Salesforce. Requires strong Azure SQL, Python, ETL, Salesforce REST API and batch (CSV) processing skills, with immediate availability for a short-notice start. The contract runs in three-month phases, with one to two days per week in London.

Azure · Azure SQL · Salesforce +2

• London
• Hybrid
• £500 – £650 pd
• Senior
• Contract · Flexible

Design, develop and optimise scalable data pipelines and cloud-based data warehousing solutions, improving platform performance, reliability and scalability. Work with Data and Analytics Engineers on ETL/ELT processes, data architecture and reusable data solutions, with GCP and BigQuery highly desirable alongside Python and SQL.

GCP · BigQuery

• London
• Hybrid
• US$10,500 pm
• Entry level
• Internship

Works deep inside the data processing infrastructure behind Foundry, covering query plan optimisation, execution operators, and efficient data reads and writes. Extends open-source engines and table formats such as Apache Spark, DataFusion, and Iceberg, with work spanning design, code review, testing, and release. An internship aimed at students graduating in 2028.

Apache Spark · Apache DataFusion · Apache Iceberg +7

• London
• Hybrid · 2 days in office
• £100,000 – £130,000 pa
• Lead · manages people

Take technical ownership of a large-scale analytical data platform, leading architecture, performance and cost optimisation of multi-tenant ClickHouse/OLAP systems. Build automation, observability and capacity management, shape a secure Data-as-a-Service offering and the data foundations for agentic AI, while mentoring and line-managing a small team hands-on.

ClickHouse