1 to 25 of 32 Contract Data Engineer Jobs in London

Senior Data Engineer (Scala/Spark) London | Hybrid Working | Initial 12 month contract | £450-550pd PAYE + holiday pay We are partnering with a world-leading technology organisation seeking an experienced Senior Data Engineer to join a high-performing engineering team responsible for building … operating large-scale data platforms that support advanced machine learning and recommendation systems used by millions of users globally. This is an opportunity to work on highly complex distributed systems, developing production-grade data pipelines that power critical machine learning workflows at scale. As a Senior Data ...

Data Engineer London/remote £429 per day inside IR35 6 months duration Active SC clearance We are seeking a Senior Data Engineer to join a high-performing team delivering large-scale cloud and data transformation programmes. This is an exciting opportunity to work … complex data platforms, leveraging modern cloud technologies and best-in-class engineering practices to build scalable, secure, and high-quality data solutions. You'll play a key role in designing and developing data pipelines, integrating data from multiple sources, and helping organisations unlock the value ...

Lead Data Engineer Hands-on technical leadership building data systems that actually work We're looking for a Lead Data Engineer to join an enterprise data engineering capability and play a critical role in designing, building, and improving real-world data systems . … This is not a line-management role . Instead, it's a senior, hands-on technical leadership position for someone with deep data engineering experience who leads through delivery, judgement, and technical credibility rather than hierarchy. You'll work in a complex environment spanning legacy platforms, modern cloud services ...

Cleared Data Engineer - Contract Rate: Up to £650 per day (Inside IR35) Location: London or Manchester (1-2 days per week on-site) Contract: 6 months Clearance: Active SC required We're hiring an experienced SC-cleared Data Engineer to support a large-scale central government … data programme. This role focuses on building, optimising, and maintaining secure, cloud-based data pipelines to enable analytics, reporting, and insight across complex government environments. You'll work as part of a multidisciplinary data team alongside architects, analysts, and platform engineers, contributing to modern data platforms ...

Robert Half Technology are assisting a rapidly growing sports fashion brand to recruit a Data Engineer on a contract basis. This is an exciting opportunity to join a fast-paced SME environment at a pivotal stage of growth, supporting the development and optimisation of a modern cloud-based … data platform as the business continues to expand significantly. Role The Data Engineer will design, build, and maintain scalable data pipelines and ETL/ELT processes within a modern cloud data environment. Develop and optimise data solutions using Snowflake to support analytics, reporting ...

Data Engineer Lead - Tier 1 Bank - London - 6 months Role - Data Engineer Lead Rate - £700 per day (Inside IR35) Duration - 6 months with very likely extension Location - Hybrid/Liverpool Street - 3 days per week in an office in Liverpool Street (London) Role The Data Engineer Lead is responsible for designing, building, and supporting modern data platform, with a particular focus on Databricks, cloud-based data engineering, and leading the migration of legacy Oracle systems into scalable, cloud-native environments. The role supports the organisation's data strategy especially ...

Data Engineer (SC Cleared) Location: London (1 day per week onsite) Rate: £565 per day ( Inside IR35 ) Contract Length: 12 months Clearance: Active SC required Additional Requirement: Must have 5 years unbroken UK residency The Opportunity We are recruiting for an experienced Data Engineer to support … delivery on a long-term, high-impact programme within a secure environment. This role is ideal for someone with strong backend engineering and data pipeline experience, combined with modern Java-based development skills. You will play a key role in designing, building, and optimising scalable data solutions that ...

Data Engineer £550-600/day outside IR35 6-month contract Remote working Working with a FTSE 100 client who have a requirement for a hands-on Senior Data Engineer. The role will be involved in designing and delivering data models, integrations, orchestration pipelines, rule engines … contributing to the platform/infrastructure - MUST have Terraform experience. Data Engineer, key skills: MUST have experience using Terraform to build and manage IAC Proven experience with AWS (E.g S3, Lambda, Glue etc) Background in building data pipelines, integrations and transformation layers Strong hands-on SQL experience ...

Robert Half Technology are assisting UK's market leading telecommunications organisation to recruit a Data Engineer on a contract basis - Hybrid working - London/Hampshire based We are supporting a data transformation programme and are looking for a Senior Data/Platform Engineer to take … full ownership of the production data platform. This role is critical to delivering a scalable, production-ready platform ahead of a mid-August NetSuite cutover, including responsibility for build, integration, and operational readiness. Role The Data Engineer will own the end-to-end data platform (ingestion ...

Senior Data Engineer | £650 - £700 Inside IR35 | Hybrid | London We are looking for an experienced Senior Data Engineer to join a high-profile project delivering modern data solutions within a secure environment. This is a hybrid role which will require you to be on site … London. Active SC Clearance is mandatory for this role – candidates without current SC clearance cannot be considered Key Responsibilities Design and build scalable data pipelines Work across large-scale data platforms and cloud environments Collaborate with engineering and architecture teams to deliver high-quality solutions Key Skills & Experience ...

Data Mapping Engineer - IBM Maximo £350/day (Inside IR35) | UK Based | Mostly Remote (Expensed Travel) We're supporting a key client on a large-scale data migration programme and are looking for a Data Mapping Engineer to play a critical role in shaping … data is translated, transformed, and integrated across complex systems. This is a fantastic opportunity for someone who enjoys working at the intersection of data, systems, and business logic-ensuring that information flows accurately and efficiently between platforms. The Role You'll be responsible for designing and delivering robust ...

Senior Data Engineer | Outside IR35 | £450- £550 per day | Hybrid | London We are seeking a Senior Data Engineer/Developer to join a major Liquidity Reporting programme, delivering regulatory reporting solutions for large UK insurers. This is a hands-on role focused on building and enhancing … Databricks -based data engineering framework. You will design and develop scalable PySpark pipelines covering data ingestion, validation, transformation, and mapping, while creating reusable libraries and ensuring high engineering standards. You will also provide technical leadership, conducting code reviews, guiding offshore teams, and ensuring delivery quality aligns with architectural ...

Data Engineer 12 months London - remote £466 pre day inside IR35 - Umbrella only Role description We are looking for an experienced Data Engineer to join the NHS England Digital Screening programme, contributing to the development of data dashboards and reporting products for a new digital … Screening service. You will build and maintain data pipelines that ingest, transform and prepare data for reporting, developing ETL processes using PySpark and platform tooling. You will work within an Agile multidisciplinary team alongside Data Scientists, Analysts and UCD professionals. This is a largely remote role. Essential ...

Microsoft Fabric Data Engineer - P&C Insurance - 6-12 months London (1 day per week onsite) £400-£500 per day (Outside IR35) Contract We're working with a forward-thinking company supporting major insurance clients, who are looking to bring in a Microsoft Fabric Data Engineer to help deliver modern data and analytics solutions across the P&C domain. This is a great opportunity to work at the cutting edge of Microsoft's data ecosystem, helping insurers unlock value from complex datasets across underwriting, claims, and portfolio performance. The Role You'll play ...

Data Engineer 6-Month contract - Inside IR35 - up to £500 per day London based - hybrid working - 3 days a week onsite Asset Management sector Core Role Overview This is a hands-on Data Engineer position working on large-scale data platforms within a financial services … environment, focused on building, optimising, and deploying scalable data solutions. The role requires someone who can operate across engineering, delivery, and stakeholder engagement - not just a technical coder. Key Skills (Must-Have) Strong SQL development capability Experience with: Azure Data Factory DBT Python Proven experience with: Snowflake development ...

Senior Data Engineer (Informatica) Location: Remote (London-based programme) Day Rate: £450/day inside IR35 Clearance: Active SC Clearance Sector: Public Sector Duration: 6 months (Extension possible) THE ROLE We're recruiting for a Senior Data Engineer with strong Informatica and AWS experience to join … public sector data programme. You'll work within a cross-functional engineering team delivering large-scale data solutions, bringing expertise in cloud data platforms, pipeline development and data quality management. ESSENTIAL SKILLS Hands-on Informatica experience Demonstrable data project delivery experience AWS (Amazon ...

Application/Big Data Engineer 6-Month contract - Inside IR35 - market rate London based - hybrid working - up to 3 days a week onsite Finance sector - must have previous experience Role Overview Senior AI/Data Engineer responsible for designing, building, and optimizing AI-driven data pipelines and integrations to enable a QAS-powered response suggestion capability embedded in Salesforce Service Cloud. The role focuses on scalable data processing, LLM integration, and continuous model improvement using production telemetry. Responsibilities Design and implement Salesforce QAS integration architecture Build and optimize data pipelines supporting ...

Lead Databricks Data Engineer £600 - £700 per day (inside IR35) London, hybrid working This freelance opportunity offers the chance to shape the future-state data platform for a large, complex financial services organisation. The focus is on moving from slow, batch-based analytics towards a more modern … streaming-led architecture, with clear ownership over data vision, use cases, and delivery direction. The Company They are a well-established organisation operating at scale within the UK financial services and pensions landscape. Managing significant volumes of legacy and live data, they work with both onshore and offshore ...

Java Data Engineer 6-Month Contract (Possible Extension) Inside IR35 Hybrid London (3 days) I have been engaged my client to bring in a Java Data engineer to work on a Big Data Project in the finance sector. Required Experience: Java Big Data experience ...

Marketing Data Engineer - Contract London - 2 days a week This freelance assignment stands out due to the immediate impact you will have on live marketing data platforms during a critical delivery period. You will focus primarily on data engineering, owning pipelines and transformations that directly power … dashboards used by media and analytics teams across the business. The Company They are a global digital marketing and analytics organisation with a strong data function supporting paid media, marketplaces and digital measurement. The business operates at scale, using modern cloud infrastructure to deliver trusted, actionable data ...

European markets. They deliver full-service marketing across: Paid Search Paid Social CTV/Programmatic Out-of-Home (OOH) Organic/LLM Optimisation Strategy & Data Consultancy In-housing support They operate at the intersection of brand, performance, and data, and are now investing heavily in building a best … class data and AI capability to underpin both client delivery and internal operations. Current Marketing Setup The agency is in the early stages of using Google Cloud Platform (GCP)/Big Query as the central data platform and the source of truth to enable to capabilities as described ...

Java Data Engineer 6-Month Contract (Possible Extension) Inside IR35 Hybrid London (3 days) I have been engaged my client to bring in a Java Data engineer to work on a Big Data Project in the finance sector. Required Experience: Java Big Data experience ...

Cribl Data Analytics Engineer Location: London (Hybrid 4 Days per Week Onsite) Contract Length: 12 Months Engagement: Inside IR35 Start Date: ASAP Overview We are supporting a leading financial services organisation in London seeking an experienced Cribl Data Analytics Engineer to join a large-scale Cyber … Security and Observability programme. The successful candidate will be responsible for designing, implementing, and optimising data pipelines using Cribl technologies, ensuring the efficient collection, transformation, routing, and analysis of security and operational telemetry data across enterprise environments. This role will work closely with Cyber Security, SOC, Infrastructure, Cloud ...

Senior/Lead Data Engineer Location: London (Hybrid) Duration: 6-Month Contract ( High potential for 1+ year extension or perm conversion ) Day rate - £370 - £450 per day Inside IR35 The Role My Client is financial service is launching a new divisional data team to build a next … generation enterprise data platform. Reporting to the AVP of Data Engineering, you will define engineering best practices, build data-intensive pipelines, and bridge the gap between global business units and technical delivery. Key Responsibilities Build & Scale: Design, test, and maintain robust data pipelines and data ...

Data/RAG Engineer - watsonx.ai & Data Contract July-December 2026 Up to £550 per day Inside IR35 UK-based Mostly Remote (occasional onsite required) British-born nationals or UK residents (5+ years) One passport only Previous SC clearance highly advantageous Build AI-driven solutions using watsonx … looking for an experienced Data/RAG Engineer to support the delivery of a high-profile click apply for full job details ...