20 contract data engineer jobs found in London

Join a tech-driven financial services business as a GCP Data Engineer and help turn complex data into valuable business insights. Salary: £550 per day GCP Data Engineer - Financial Services - Outside IR35 - Hybrid We're looking for an experienced GCP Data Engineer to join a tech-driven financial services business on an initial 3-month contract basis (extension likely, Outside IR35). You'll join a small, high-performing data team responsible for ingesting and processing large volumes of customer data, allowing the business to draw actionable business insights. Reporting into the Head of Data, you'll bring strong commercial experience with Google Cloud Platform (GCP), alongside expertise in DBT for data transformation, data modelling, and building robust ETL/ELT pipelines. This is a highly technical engineering role where you'll play a key part in designing, developing, and optimising scalable data solutions. Location: Remote first, 1 day per week in South West London or...

GCP Data Engineer - Financial Services - Outside IR35 - Hybrid We're looking for a an experienced GCP Data Engineer to join a tech driven financial services business on an initial 3 month contract basis (extension likely, Outside IR35). You'll join a small, high-performing data team responsible for ingesting and processing large volumes of customer data allowing the business to draw actionable business insights. Reporting into the Head of Data, you'll bring strong commercial experience with Google Cloud Platform (GCP), alongside expertise in DBT for data transformation, data modelling, and building robust ETL/ELT pipelines. This is a highly technical engineering role where you'll play a key part in designing, developing, and optimising scalable data solutions. Location: Remote first, 1 day per week in South West London or 4 days per month Key requirements: Strong commercial experience as a Data Engineer with Google Cloud Platform (GCP) Proven expertise using DBT as a...

Contract Outside IR35 Senior Data Engineer- Energy Trading - London Up to £600 per day *Only candidates with Power / Gas / LNG / Oil / Ags / Metals commercial experience will be considered* Global Energy Trading company is embarking on a new Digitalisation Program, to transform how data is managed and utilised within the Energy business. The ambition is to deliver next generation of big data infrastructure, develop a range of data-driven, highly automated data pipelines to facilitate and enhance the trading business, as well as optimisation of physical assets. Working together with the Data Team, you will be developing the next generation of Data Infrastructure. Working with data pipelines, data management, and data analysis to help automate and optimise business. The role will require versatility as the individual will be required to work on Python related projects in addition. The role Develop, construct, test and maintain data pipelines...

Contract Outside IR35 Senior Data Engineer/Python/C# Developer - Energy Trading - London Up to £600 per day *Only candidates with Power/Gas/LNG/Oil/Ags/Metals commercial experience will be considered* Global Energy Trading company is embarking on a new Digitalisation Program, to transform how data is managed and utilised within the Energy business. The ambition is to deliver next generation of big data infrastructure, develop a range of data-driven, highly automated data pipelines to facilitate and enhance the trading business, as well as optimisation of physical assets. Working together with the Data Team, you will be developing the next generation of Data Infrastructure. Working with data pipelines, data management, and data analysis to help automate and optimise business. The role will require versatility as the individual will be required to work on Python and/or C# related projects in addition. The role Develop, construct, test and maintain data pipelines...

Senior Data Engineer - Outside IR35 - Contract (Insurance Client) About the role Softwire is seeking an experienced Data Engineer with a strong knowledge of Python (including PySpark) and SQL, and a good understanding of software engineering best practices (including SDLC, CI/CD, automated testing, DevOps) to join an established small team working on delivering a data & analytics platform in Microsoft Fabric for a speciality insurance provider. This is a senior, hands-on role that will require owning and delivering workstreams independently while supporting a junior team member. Key Responsibilities Building new ingestion pipelines in Microsoft Fabric using Python (PySpark) notebooks Modelling data for consumption in Power BI through a dimensional gold warehouse layer and a semantic model Improving platform performance Working across cross-functional areas such as logging, monitoring (with Azure Log Analytics and Fabric) and data governance (within...

Contract Data Engineer - Specialty Insurance Contract Length: 6 Months Location: Hybrid / London Rate: £475 - £500 per day IR35 Status: Outside IR35 Start Date: ASAP An experienced Data Engineer is required to take ownership of the build of a data pipeline to consolidate bordereaux reporting data into a standardised, reporting-ready structure. This is a hands-on delivery role sitting within the BI team, where you will act as the sole Data Engineer on the project, responsible for end-to-end pipeline development, design, and delivery. You will be building scalable Azure Databricks-based data pipelines, working independently to define and implement robust, production-ready solutions that support reporting and downstream analytics. Key Responsibilities Take ownership of the end-to-end build of a scalable ETL pipeline in Azure Databricks to ingest and consolidate bordereaux reporting data Design and implement data ingestion processes leveraging existing email-based...

Contract Data Engineer - Specialty Insurance Contract Length: 6 months Location: Hybrid/London Rate: £475 - £500 per day IR35 Status: Outside IR35 Start Date: ASAP An experienced Data Engineer is required to take ownership of the build of a data pipeline to consolidate bordereaux reporting data into a standardised, reporting-ready structure. This is a hands-on delivery role sitting within the BI team, where you will act as the sole Data Engineer on the project, responsible for end-to-end pipeline development, design, and delivery. You will be building scalable Azure Databricks-based data pipelines, working independently to define and implement robust, production-ready solutions that support reporting and downstream analytics. Key Responsibilities Take ownership of the end-to-end build of a scalable ETL pipeline in Azure Databricks to ingest and consolidate bordereaux reporting data Design and implement data ingestion processes leveraging existing email-based...

Data Engineer/Analyst London, Soho - 2 days a week onsite £450pd - £500pd, Outside IR35 3-month contract, potential for extension Our client, a renowned global advertising and creative agency, is looking for a Data specialist to join them on a contract basis Founded in the 80s, they now have offices in New York, Singapore and Shanghai and have worked with major names such as Audi, Google and Heinz They need someone who can utilise Power BI to deliver dashboards, but also has strong data engineering capabilities to manage and develop the underlying Datawarehouse We are looking for: Essential: SQL, Azure & Power BI Data environment: Azure-based Nice to have: Fabric Industry nice to have: media/advertising experience (or agency environment understanding) would be an advantage Interested to hear more? I would be more than happy to discuss the role in more detail

Lead Data Engineer (Azure Synapse | Synapse Notebooks | Azure DevOps) Contract 6-month initial term, with strong likelihood of extension Up to c £500 per day Outside IR35 Remote or hybrid (West London office if preferred) We are looking for an experienced Lead Data Engineer to play a key role in the development of a modern Azure data platform, with a strong focus on Azure Synapse, Synapse notebooks and engineering best practice . This is a hands-on technical leadership role for someone who enjoys owning solutions from requirements through to deployment, working closely with business stakeholders and delivering robust, production-grade data platforms. You will be responsible for: Designing and developing scalable ETL/ELT pipelines and reusable data products Building and maintaining Azure Synapse solutions, with particular emphasis on Synapse notebooks, Serverless SQL and Synapse pipelines...

This role is delivered within secure environments. Candidates must be eligible for UK SC and DV clearance and hold UK citizenship. Opening: Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we working on a landmark transformation of a cross-government secure IT system. This is an exciting opportunity to help architect a private cloud environment from the ground up and modernize the end-user services that power national decision-making. We don't believe in ʺbilling by the hourʺ or rigid hierarchies; we are a lean, expert team focused on delivering high-impact technical outcomes. If you are a self-starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of sovereign security, we want to talk to you....

Full job description Join a tech-driven financial services business as a GCP Data Engineer and help turn complex data into valuable business insights. Salary:  £550 per day GCP Data Engineer - Financial Services - Outside IR35 - Hybrid We're looking for an experienced GCP Data Engineer to join a tech-driven financial services business on an initial 3-month contract basis (extension likely, Outside IR35). You'll join a small, high-performing data team responsible for ingesting and processing large volumes of customer data, allowing the business to draw actionable business insights. Reporting into the Head of Data, you'll bring strong commercial experience with Google Cloud Platform (GCP), alongside expertise in DBT for data transformation, data modelling, and building robust ETL/ELT pipelines. This is a highly technical engineering role where you'll play a key part in designing, developing, and optimising scalable data solutions. Location:...

AI Engineer - LLM & Agentic Systems London - Hybrid. Circa £550 – £650 per day (negotiable DOE) Contract (Outside IR35) Agentic AI / Machine Learning. Company: Our client is a globally established B2B information and professional services business, operating across multiple high-value industry sectors. They have established data science and machine learning engineering teams already delivering in production, and are now expanding their AI capability significantly across the global organisation. This is a role for people who ship. If you've built LLM-powered systems and agentic workflows that are live in production - not demos, not prototypes - and you want to do that at genuine scale, this is worth applying for. What you'll be working on as an AI Engineer - LLM & Agentic Systems: Designing and building AI agents and agentic workflows - combining LLMs, RAG, reasoning, memory and tool orchestration to solve real, complex business...

Internal Title: Senior Full Stack Developer Location: London, UK (Hybrid - typically 1-2 days per month in office) Contract: Permanent, Full-time OR Outside IR35 Contract, 6 months with view to extend Day Rate (contract): £500-550 per day Package (perm): £70,000 - £80,000 + 10% Bonus + 10% Shares + Benefits (see more below) About Appvia Appvia is a specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise software systems, improve developer productivity, and adopt cloud-native practices that enable long-term, sustainable delivery. Our software engineering capability focuses on modern application development, domain-driven design, and improving delivery outcomes through better architecture, testing, and developer experience. We work across complex, high-impact environments in both the public and private sector, delivering solutions where quality, scalability, and reliability are critical. About The Role We're hiring...

Data Engineer - Quantexa Contract: 6 months Location: London (Hybrid or Remote) Daily rate: £500 outside IR35 Currently hold a Security Clearance or be eligible to obtain it . A leading global consultancy is seeking experienced Senior Data Engineers to join a major data transformation programme. This is an exciting opportunity for a Senior Data Engineer with strong Quantexa expertise to deliver enterprise-scale solutions across complex data environments, working on high-impact projects for well-known organisations. As a Senior Data Engineer , you'll play a key role in designing and implementing Quantexa solutions, developing scalable data pipelines, and collaborating with architects, technical leads, and client stakeholders to deliver robust, production-ready platforms. Responsibilities Design, build, and optimise Quantexa data ingestion pipelines using Scala, Spark, and Databricks Configure Quantexa components including Entity Resolution, Scoring, and...

Data Engineer (Contract) Cloud / Data Platform Location: London (Hybrid) Rate: £550–£700 per day (Outside IR35) Contract: 6 months (likelihood of extension) We’re working with a growing financial services organisation investing heavily in its data platform and AI capabilities. They’re building out a modern, cloud-first data environment and need an experienced Data Engineer to help design and scale robust data pipelines What we're looking for: Strong experience as a Data Engineer in production environments Experience building cloud-based data platforms Ability to work in fast-paced, delivery-focused teams Strong communication - able to work with both technical & business stakeholders Tech Stack: Python / SQL AWS / Azure / GCP Snowflake or Databricks Airflow / dbt APIs / data integration tools If you’re available (or becoming available) and this aligns with what you’re looking for - feel free to apply.

Agentic AI Engineer - Outside IR35 | Fully Remote | 12-Month Contract | Role: Agentic AI Engineer Location: Fully Remote Contract Length: 12 months IR35 Status: Outside IR35 I'm working with an innovative MedTech organisation at the forefront of AI-driven healthcare solutions. They are looking for a highly skilled Agentic AI Engineer to join their team on a long-term contract and help scale cutting-edge intelligent systems. Key Responsibilities Design and build agentic AI systems using modern LLM frameworks Develop and deploy Generative AI solutions across production environments Work with structured and unstructured data using Python & PySpark Implement Claude Code/LLM-based workflows for Real Time decision-making Collaborate with cross-functional teams to integrate AI capabilities into existing platforms Ensure solutions are scalable, reliable, and aligned with regulatory requirements Key Skills & Experience Strong experience with Agentic AI...

Agentic AI Engineer - Outside IR35 | Fully Remote | 12-Month Contract | Role: Agentic AI Engineer Location: Fully Remote Contract Length: 12 months IR35 Status: Outside IR35 I 'm working with an innovative MedTech organisation at the forefront of AI-driven healthcare solutions. They are looking for a highly skilled Agentic AI Engineer to join their team on a long-term contract and help scale cutting-edge intelligent systems. Key Responsibilities Design and build agentic AI systems using modern LLM frameworks Develop and deploy Generative AI solutions across production environments Work with structured and unstructured data using Python & PySpark Implement Claude Code / LLM-based workflows for real-time decision-making Collaborate with cross-functional teams to integrate AI capabilities into existing platforms Ensure solutions are scalable, reliable, and aligned with regulatory requirements Key Skills & Experience...

Analytics Engineer l DBT Core l DBT Cloud l Bigquery l Data modelling l data warehouse l SQL l End-to-end l 6-Month Contract | £500- £520 per day | Outside IR35 l Hybrid London We 're working with a fast-moving, product-led business looking for an Analytics Engineer to support their data team on an initial 6-month contract. This is a hands-on role sitting between data engineering and analytics - building clean, reliable data models that power reporting and decision-making across the business. You 'll be working closely with BI and engineering teams, owning dbt models end-to-end and helping improve data quality, performance, and overall usability. What you 'll be doing: Building and maintaining dbt models for analytics and reporting Developing well-structured data models (staging marts) Working with stakeholders to turn business requirements into scalable datasets Improving data quality, testing, and documentation...

Senior Software Engineer - Outside IR35 - Contract (Energy Client) About the role Softwire is looking for an experienced Software Engineer to join a team delivering the first phase of a major replatforming project. You will work in a collaborative, technically focused environment, helping to modernise a data platform that currently relies on Power Automate, Power BI, and Python scripts. You can work remotely from anywhere in the UK, as client site visits aren't mandatory. Phase one of the project will introduce a SQL database and Azure Function Apps, alongside a migration of data from SharePoint into the new database. This is a hands-on engineering role with real impact from day one. Key Responsibilities Design and build Azure Function Apps to support the replatforming initiative. Develop and maintain SQL database schemas, queries, and data pipelines. Contribute to the migration of data from SharePoint into the new database. Work with existing Power...

Senior Software Engineer - Outside IR35 - Contract (Insurance) About the role Essential: Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with) Frontend: React + TypeScript + Vite Material UI with Emotion for styling TanStack React Query 5 for server state React Router 7 React Hook Form+Yup for forms/validation MSAL for Entra ID auth Jest+Testing Library for unit tests; Playwrightfor E2E and visual tests Hosted as an Azure Static...