60 contract data engineer jobs found in London, greater london

🚀 Contract Data Engineer | Outside IR35 | London (Hybrid, 3+ Days On-Site) We’re seeking an experienced Data Engineer to join a high-profile team delivering large-scale tax projects . This is a contract role (Outside IR35) based in London, requiring on-site presence at least 3 days per week . What you’ll do: Design, build, and optimise data pipelines and ETL processes for complex, high-volume data sets. Collaborate closely with Data Modellers, Analysts, and Tax Specialists to ensure data integrity and usability . Support large-scale tax initiatives , enabling accurate reporting and analysis. Implement best practices for data governance, quality, and security . We’re looking for someone with: Proven experience as a Data Engineer working with relational and non-relational databases. Hands-on experience with ETL frameworks, data warehousing, and cloud platforms (SQL, Scala, PySpark). Exposure to large-scale tax or financial...

Contract Senior Data Engineer - £500 - £600 per day - Outside IR35 - Python/Snowflake/AWS Role: Contract Senior Data Engineer Rate: £500 - £600 per day Determination: Outside IR35 Interview Process: 2x Call Technology: SQL/Python/DBT/AWS/Snowflake/Airflow In office requirement: 1 day per week Duration: 6 months Burns Sheehan have been supporting the build of a new team and we are adding to this with another Contract Senior Data Engineer. As a Contract Senior Data Engineer, you will support on core Data Engineering capabilities as well as modernising the Data stack and supporting a migration. Working alongside their Director of Data & Principal Data Engineer, you will be a key component. If this Contract Data Engineer sounds like you, please apply now for immediate consideration. Contract Senior Data Engineer - £500 - £600 per day - Outside IR35 - Python/Snowflake/AWS

Job Title: Contract Data Engineer (Banking Experience Required) Location: London (Hybrid) Day Rate: £550 - £600 per day (Outside IR35 - subject to assessment) Contract Length: 6 months initial (extensions likely) Overview Chapman Tate are looking for an experienced Contract Data Engineer with a strong background in banking or financial services to support a range of high-priority data initiatives. You will play a key role in delivering scalable data solutions, enabling regulatory reporting, and improving data architecture across the organisation. Key Responsibilities Design, build, and optimise scalable data pipelines and ETL/ELT processes Integrate and transform large volumes of financial data from multiple sources Work closely with stakeholders across technology, risk, and business teams Ensure high standards of data quality, governance, and compliance Contribute to data platform enhancements and cloud migration...

Lead/Senior Data Warehouse Engineer – Contract Role Outside IR35 | Day Rate: £400–450 | Remote (UK) | Initial 3–6 Months We’re supporting a large, established organisation in the public sector space who are looking for a Data Warehouse Engineer to step into a critical BAU role, supporting and maintaining an existing Microsoft SQL Server data warehouse estate. This is a hands‑on, legacy‑friendly environment , with a heavy focus on SSIS‑driven ETL, T‑SQL stored procedures, and keeping an established reporting platform stable. The role is primarily remote , with minimal onsite presence if required. An ASAP start is strongly preferred. You must be UK‑based and eligible to undergo BPSS / security clearance Key Responsibilities Maintain, support, and enhance an existing SQL Server data warehouse. Own and support SSIS ETL pipelines , resolving failures and optimising performance. Write, refactor, and troubleshoot T‑SQL stored procedures ,...

Data Engineer - SC Cleared Outside IR35 £525/day 5-Month Contract We are currently seeking a highly capable Data Engineer to join a fast-paced, delivery-focused environment working on large-scale, data-driven solutions. This role offers the opportunity to work on complex data challenges within a modern cloud ecosystem, contributing to the design, build, and optimisation of robust data platfor click apply for full job details

Principal AI / Data Engineer (Contract): Length:  3 months initally (extension is likely)  Start Date:  ASAP  Location:  London, Hybrid (1 day per week)  Pay Rate / Determination: £525-575 p/d | Outside IR35  About:  Opus is supporting a UK-based digital consultancy partnering with organisations to design, build and scale high‑impact digital and AI‑driven products, with a strong people‑first culture. The role:  A hands‑on Principal AI / Data Engineer contract to assess, shape and deliver improvements to a live AI platform across two critical workstreams. You'll be responsible for: Assessing the current AI and data platform and define clear, actionable improvements Lead on delivery across two workstreams, aligning product, data and engineering Improving the natural language data exploration platform, focusing on trust and semantic consistency Designing and implementing scalable, multi‑source data pipelines and architecture About you: Strong experience with...

Principal AI/Data Engineer (Contract): Length: 3 months initially (extension is likely) Start Date: ASAP Location: London, Hybrid (1 day per week) Pay Rate/Determination: £525-575 p/d | Outside IR35 About: Opus is supporting a UK-based digital consultancy partnering with organisations to design, build and scale high impact digital and AI driven products, with a strong people first culture. The role: A hands on Principal AI/Data Engineer contract to assess, shape and deliver improvements to a live AI platform across two critical workstreams. You'll be responsible for: Assessing the current AI and data platform and define clear, actionable improvements Lead on delivery across two workstreams, aligning product, data and engineering Improving the natural language data exploration platform, focusing on trust and semantic consistency Designing and implementing scalable, multi source data pipelines and architecture About you: Strong experience with...

Principal AI / Data Engineer (Contract): Length: 3 months initally (extension is likely) Start Date: ASAP Location: London, Hybrid (1 day per week) Pay Rate / Determination: £525-575 p/d | Outside IR35 About: Opus is supporting a UK-based digital consultancy partnering with organisations to design, build and scale high-impact digital and AI-driven products, with a strong people-first culture. The role: A hands-on Principal AI / Data Engineer contract to assess, shape and deliver improvements to a live AI platform across two critical workstreams. You 'll be responsible for: Assessing the current AI and data platform and define clear, actionable improvements Lead on delivery across two workstreams, aligning product, data and engineering Improving the natural language data exploration platform, focusing on trust and semantic consistency Designing and implementing scalable, multi-source data pipelines and architecture...

Data Migration Analyst / Engineer Contract | 5 Months | £400- £450/day | Outside IR35 | Fully Remote (Occasional London Meetings) We are looking for an experienced Data Migration Analyst / Engineer to support the rebuild of a data warehouse for a wealth management firm undergoing a complex system and data migration programme. Working alongside the Lead Data Engineer and in parallel with a separate application migration team, this role is focused on ensuring the newly built data warehouse faithfully reproduces existing business outputs through robust source-to-target mapping, migration validation, and transformation analysis. This is primarily a lift-and-shift migration , not a greenfield redesign, and requires someone who can operate independently, identify gaps, and translate complex legacy logic into a modern data warehouse environment. Key Responsibilities Take ownership of data migration and source-to-target mapping activities...

Contract Data Engineer Location: London (Hybrid) Contract: 6 months+ (likely extension) IR35: Outside Start: ASAP Overview Data Engineer required to support a finance transformation programme within a digital financial services business. Focus on modernising financial data systems and replacing manual processes with scalable, cloud-based solutions. Responsibilities Work closely with finance stakeholders Design and deliver data integrations and data products Bring General Ledger into the central reporting repository Integrate a Treasury Management System into central data and automate accounting postings Build curated finance data marts for self-service reporting Enable near Real Time reporting capability Operate as a proactive, autonomous contributor within a Scrum team Support experimentation with agentic AI tools (eg Claude, ChatGPT) for discovery and requirement definition Requirements Must-Have: Strong finance domain knowledge Extensive AWS data...

La Fosse is currently recruiting a contract Data Engineer (12 months) on behalf of a global financial services company. They require an experienced Python Data Engineer with extensive experience in building and maintaining Data Lakehouses in Azure. The ideal candidate will have a strong background in both Scala and Python programming, with specific experience building high performance and scalable pipelines in Databricks with Spark. The new data platform will serve a range of end users in the Capital Markets division, so experience across areas such as derivatives, risk, PnL, trade lifecycle, market data are highly desired. Key Responsibilities: Engineer robust, scalable and efficient data pipelines using Spark/PythonDatabricks Demonstrate best practices in the design & development of data pipelines Data modelling on medallion architecture, ensuring schema is intuitive and serves business users analytical and reporting objectives What you'll need: Expert in...

Contract Data Engineer / MLE (Databricks, GCP) Location: London (hybrid) Contract: Outside IR35 Day Rate: Negotiable ~ £600-£700 DW Search are partnering on a high-impact contract opportunity within a fast-paced, data-driven environment supporting portfolio company initiatives for a major asset management firm. This role sits at the intersection of Data Engineering and Machine Learning Engineering, with a strong focus on building and productionising end-to-end ML pipelines. You will be working on real-world applications of neural networks, enabling scalable feature engineering, model training, and inference in production. Key Responsibilities Build and productionise feature engineering pipelines for ML models Develop and manage training and inference workflows at scale Deploy and monitor machine learning models in production environments Collaborate with data scientists and engineering teams to optimise model performance and reliability Contribute...

Job Title: Contract Data Engineer (Banking Experience Required) Location: London (Hybrid) Day Rate: £550–£600 per day (Outside IR35 – subject to assessment) Contract Length: 6 months initial (extensions likely) Overview Chapman Tate are looking for an experienced Contract Data Engineer with a strong background in banking or financial services to support a range of high-priority data initiatives. You will play a key role in delivering scalable data solutions, enabling regulatory reporting, and improving data architecture across the organisation. Key Responsibilities Design, build, and optimise scalable data pipelines and ETL/ELT processes Integrate and transform large volumes of financial data from multiple sources Work closely with stakeholders across technology, risk, and business teams Ensure high standards of data quality, governance, and compliance Contribute to data platform enhancements and cloud migration projects Troubleshoot and...

Data Migration Engineer - Outside IR35 - Remote Overview We are seeking an experienced Data Migration Analyst / Engineer to support a major data warehouse rebuild for a wealth management firm undergoing a large-scale system and data migration programme. Working closely with the Lead Data Engineer, this role will play a critical part in ensuring the new data warehouse accurately replicates existing outputs, while identifying and resolving any data gaps introduced during migration. This is a hands-on role requiring strong analytical capability, deep SQL expertise, and experience working in complex, regulated data environments. Key Responsibilities Perform source-to-target mapping , documenting field-level lineage across systems and transformation layers Analyse and interpret complex legacy SQL stored procedures (including multi-CTE logic, temp tables, and parameterised pipelines) Support data migration validation , ensuring accuracy and...

Data Migration Engineer - Active SC, HealthShare Up to £500 (Outside IR35) Primarily remote/London 6 months We 're seeking a hands-on Data Migration Engineer to support delivery of a new healthcare platform. The role focuses on designing and delivering secure, high-volume clinical data migrations into InterSystems HealthShare and IRIS. Key Requirements: Proven experience as a Data Migration Engineer, with Active SC (Security Clearance) Strong background in designing, developing, and delivering ETL pipelines for clinically coded healthcare data. Hands on experience working with InterSystems HealthShare and HealthConnect, including EMPI, HPD, the Integration Engine, and IRIS. Solid experience producing and maintaining data mappings and transformation logic aligned with target data models and business rules. Practical experience handling clinical terminology mappings, including SNOMED and local code sets. Experience building and...

Cyber Security Engineer | £500 - £550 We're working with a rapidly expanding global professional services powerhouse on this exciting opportunity. This is a high-impact contract for a hands-on security specialist to drive critical infrastructure projects and lead global roll-outs across a sophisticated enterprise environment. You will be at the forefront of their cyber resilience strategy, taking full ownership of major deployments including Netskope and CyberArk while ensuring the business maintains elite-level compliance standards. If you are a proactive engineer who thrives on technical delivery and infrastructure hardening, this 3-month initial engagement (with high extension potential) is for you. The Role Lead the end-to-end global roll-out of Netskope across an international office network to enhance SASE and cloud security. Take full technical ownership of CyberArk implementation, including configuration, policy definition, and ongoing administration. Drive...

AI Engineers & AI Architects (SC Cleared or Clearable) – Public Sector Programme | UK (hybrid with London Travel) We’re supporting a large-scale digital transformation programme within the UK public sector, focused on addressing fragmented, inconsistent, and highly manual data environments . We are looking for both AI Engineers and AI Architects to play key roles in designing and delivering a modern, scalable data and AI ecosystem. The Challenge The current data landscape is: Spread across multiple systems and silos Inconsistent in structure and definition Heavily reliant on manual processes This makes generating accurate insights slow and complex, even for straightforward reporting requirements. AI Engineer Responsibilities Build and maintain data pipelines to ingest and unify data from multiple sources Clean, transform, and standardise datasets Develop AI/ML models to automate processes and improve data quality Enable...

Rate: £575/day Outside IR35 Hybrid: 3-day onsite (Liverpool Street) Project Duration: Initial 3-month contract Cyber Security Contractor | Outside IR35 Contract Rate: £575/day Hybrid: 3 days per week onsite (Liverpool Street) Industry: Financial Services/Highly regulated environment Duration: Initial 3 months Job Summary: Our financial services client is seeking a highly skilled Cyber Security Engineer to deliver hands-on security improvement projects, including passing Cyber Essentials Plus certification with flying colours. They need deep technical expertise in Netskope, CrowdStrike, CyberArk, Microsoft Purview, and Mimecast. The ideal candidate will have demonstrable experience in regulated industries and a track record of delivering practical security solutions with minimal supervision. Key Requirements: Support the organisations Cyber Essentials Plus recertification process and related compliance work Implement and optimise...

Network Engineer - Contract - OUTSIDE IR35 - £425-£475 per day Hybrid Working Opportunity for a Network Engineer (Contract) to join a boutique consultancy based out of West London working with a major UK client. WHAT WILL YOU BE DOING? As a Network Engineer, your job is to help with the Migration of DC's. Datacenter network engineering & build. With demonstrable hands-on technical capability with a variety of Networking Technologies such as Fortinet and Fortigate NETWORK ENGINEER - ESSENTIAL SKILLS: Current experience in a Network Engineering role. Experience working in a Data Centre Environment Cisco Experience. Fortinet/Fortigate experience Infoblox Azure Zscaler SD-Wan Troubleshooting and resolution of complex networking incidents and escalations Monitoring and fixing of networking alerts Hardware and firmware upgrades to networking infrastructure Strong communication and interpersonal abilities. Excellent problem-solving skills with a keen attention...

Job Title: Senior Data Engineer (Microsoft Fabric & Azure) Contract: 6 months Initial (Likely Extension) Location: London (Hybrid - 2-3 days onsite) Day Rate: Competitive IR35: Outside IR35 The Role We're supporting a client in Leeds looking to appoint a Senior Data Engineer on a contract basis to support the design, build and evolution of a modern enterprise data platform, driving analytics, automation and AI-led insight across the business. This role will play a key part in developing scalable data pipelines, data models and integration solutions using Microsoft Fabric, Azure Data Lake and Azure Synapse Analytics, while supporting a strategic migration to Fabric using a Medallion architecture approach. You'll work across data engineering, analytics and platform optimisation, integrating internal and third-party data sources, enabling Business Intelligence through Power BI, and contributing to predictive analytics and AI use cases. Key Responsibilities...