21 contract data engineer jobs found in London

AWS Data Engineer - Snowflake Cortex London (Hybrid)  -  £550/day  -  Outside IR35 | Retail 6‑month contract (extendable) working on a cutting‑edge Snowflake Cortex / GenAI data platform for a major retail organisation. What you’ll be doing: Building data pipelines on AWS Developing high‑performance Snowflake data models Delivering Snowflake Cortex AI/LLM use cases Working with large‑scale retail data (sales, customer, inventory) You’ll need: Strong AWS Data Engineering background Hands‑on Snowflake experience Exposure to Snowflake Cortex / GenAI SQL + Python **ASAP start, please reach out to Adam Akhtar at Opus for more detail.

AWS Data Engineer - Snowflake Cortex London (Hybrid) - £550/day - Outside IR35 | Retail 6 month contract (extendable) working on a cutting edge Snowflake Cortex/GenAI data platform for a major retail organisation.  What you'll be doing: Building data pipelines on AWS Developing high performance Snowflake data models Delivering Snowflake Cortex AI/LLM use cases Working with large scale retail data (sales, customer, inventory) You'll need: Strong AWS Data Engineering background Hands on Snowflake experience Exposure to Snowflake Cortex/GenAI SQL + Python *ASAP start, please reach out to Adam Akhtar at Opus for more detail.

We are working with a leading London-based organisation that is building a modern, enterprise-wide data platform using Microsoft Fabric and is seeking a Senior Data Engineer to play a key role in its development. This is a hands-on role within a greenfield Fabric environment, supporting critical business areas including finance, operations, and strategic decision-making. The successful candidate will design and deliver scalable data solutions across ingestion, modelling, and optimisation, working closely with cross-functional teams to help shape a robust, future-ready data platform. This role requires the Senior Data Engineer to be onsite at the client's London offices three days per week. Skills/Responsibilities Experience of designing and building scalable, production-grade data pipelines and Lakehouse/Warehouse solutions using Microsoft Fabric (OneLake, Dataflows Gen2, Pipelines, Notebooks) Experience of implementing advanced Fabric capabilities such as Shortcuts,...

Senior Software Developer / Data Engineer - (Contract Outside IR35) In brief We’re looking for well-rounded software developers with experience in data engineering, with a proven ability to tackle complex data challenges, make an excellent impression on clients, and have a high impact on the output of your entire team. We provide a supportive environment with a strong focus on individual career progression, where you will have both the mentorship and project opportunities you need to develop your technical skills. You’ll work in a team alongside other talented developers and data engineers, supported by a Technical Lead. Projects span a range of sizes and multiple sectors and technologies. The role Experience and qualifications You have 4+ years’ experience and a breadth & depth of technical knowledge & expertise, particularly in data engineering, and can solve technical challenges across front-end, back-end, and infrastructure. You have...

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...

Contract Data Engineer - Snowflake/DBT/Python/SQL Healthcare/Pharma Industry £550-£600 per day - Outside IR35 London (Hybrid - 2 days onsite) 12 months + extension likely We're supporting a leading organisation building out a modern, cloud-native data platform and looking for multiple Senior Data Engineer with deep Snowflake expertise to join on a long-term contract. What you'll work on Building & optimising scalable Snowflake pipelines Data modelling, quality, lineage & observability Python + dbt engineering in a modern cloud environment Collaborating with architects & product teams Driving best practice across the data platform Tech stack Snowflake, SQL, Python, dbt, AWS (or Azure/GCP), CI/CD, Airflow/Prefect/Dagster, Fivetran/Matillion Ideal profile Strong Snowflake engineering background Comfortable owning end-to-end pipeline delivery Experience in regulated environments (pharma/healthcare a bonus) Clear communicator who can influence...

La Fosse is currently recruiting a contract Data Engineer (12 months) on behalf of a global financial services company. They require an experienced 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 life cycle, market data are highly desired. Key Responsibilities: Engineer robust, scalable and efficient data pipelines using Spark/Databricks 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 building data...

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...

🚀 Databricks Data Engineer | Contract | Outside IR35 | Fully Remote (UK) We’re partnering with a leading organisation to support the build of an AI-enabled data platform, and we’re looking for an experienced Databricks Data Engineer to join on a long-term contract. 🔹 Contract: 12-month rolling 🔹 Location: Fully remote (UK-based) 🔹 Rate: Up to £550/day (Outside IR35) 🔹 Clearance: Active SC required 🔹 Start: ASAP / Flexible You’ll be hands-on designing and building scalable, production-grade data pipelines using Databricks, Spark, Delta Lake, and cloud services (Azure preferred), working closely with data science and platform teams. If you have strong Databricks experience and hold active SC clearance, this is a high-impact opportunity on a modern data platform.

Databricks Data Engineer | Contract | Outside IR35 | Fully Remote (UK) We're partnering with a leading organisation to support the build of an AI-enabled data platform, and we're looking for an experienced Databricks Data Engineer to join on a long-term contract. Contract: 12-month rolling Location: Fully remote (UK-based) Rate: Up to £550/day (Outside IR35) Clearance: Active SC required Start: ASAP/Flexible You'll be hands-on designing and building scalable, production-grade data pipelines using Databricks, Spark, Delta Lake, and cloud services (Azure preferred), working closely with data science and platform teams. If you have strong Databricks experience and hold active SC clearance, this is a high-impact opportunity on a modern data platform.

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...

Data Platform Engineer (GCP, PySpark, Airflow) - Contract Rate : £550 - £575 per day Outside IR35 Location : Remote (UK) Travel : London once per month (preferred) Duration : 3 months (initial) Start : ASAP The Role We're hiring a Data Platform Engineer (GCP, PySpark, Airflow) to support a modern data platform/Lakehouse environment . This is a hands-on engineering role focused on building and optimising data pipelines , while also contributing to the underlying platform and infrastructure. You'll work closely with the data engineering team, delivering production-grade pipelines and ensuring systems are reliable, scalable, and performant. Key Responsibilities Design and build end-to-end data pipelines (PySpark/SQL) Develop and manage workflows using Airflow (DAGs, scheduling, orchestration) Work with BigQuery for large-scale data processing and analytics Monitor, debug, and optimise pipelines for performance and...

Job Title: M365 Migration Engineer (ShareGate) Location: Remote (may need some flex in working hours to accommodate some US East Coast overlap) Contract: 3-4 months Start: 2-3 weeks IR35: Outside IR35 Rate: £580-650 a day The Opportunity We're supporting a tenant-to-tenant M365 migration following a recent acquisition, and need an experienced M365 Migration Engineer to lead the data migration piece. This is a fresh project, not a recovery job, working alongside the seller's IT team to migrate data cleanly and efficiently into the new tenant. It's a focused engagement with clear deliverables, ideal for someone who has done this before and can hit the ground running with ShareGate-led migrations. The Role You'll take ownership of the migration activity, ensuring data is moved accurately, securely and with minimal disruption. Key responsibilities include: Delivering tenant-to-tenant migrations using ShareGate Migrating data across SharePoint...

BI Developer London, Hybrid (2 days) Outside IR35 £450-£500pd This contract offers the opportunity to play a key role in shaping analytics for a fast-growing technology business at an important stage of its data journey. You will work closely with multiple teams to turn data into meaningful insight, with clear visibility and impact across the organisation. The Company They are a high-growth SaaS business operating in the technology space, with a well-established product and strong commercial momentum. The Role and Deliverables Partner with product, finance operations, customer success and sales teams to understand reporting and analytics requirements. Build and maintain analytics models using dbt to support a robust gold-layer dataset. Develop clear, well-structured Power BI dashboards focused on performance and operational metrics. Contribute to data pipeline development to ensure reliable and scalable data delivery. Deliver high-quality SQL-based data...

Senior Software Engineer - Outside IR35 - Contract - Current SC Essential We're hiring a Senior Software Engineer to join a high-impact government programme of work. This is an outside IR35 contract with a strong potential for extension beyond the initial 6-month term, making it a great opportunity for experienced contractors looking for stability and interesting work. The project sits within a complex, delivery-focused environment where your engineering decisions will genuinely matter. You'll be working as part of a collaborative team building robust, scalable solutions for a public sector client. Tech Experience: Java, Spring Boot, Typescript and React. £550 per day outside IR35 Start date: 28/04/2026 End date: 30/10/2026 About Softwire Softwire is a leading UK technology and strategy consultancy. From enterprise to government, we help visionary organisations turn strategic ambitions into results at scale. Our practices cover AI...

AI Engineer (Contract) – £500/day Outside IR35 📍 Canary Wharf, London (3 days onsite) 🇬🇧 UK-based applicants only We’re looking for experienced AI Engineers who think holistically, automate relentlessly, and know how to turn modern AI capabilities into production-grade, high-impact applications . Our AI organisation is building real-world AI products that deliver business value at speed. This role is ideal for seasoned engineers who combine strong software engineering fundamentals with a pragmatic, hands-on approach to AI tooling and infrastructure. What you’ll be doing Designing, building, and maintaining production-grade AI applications using modern engineering practices (CI/CD, testing, observability, cloud-native design). Developing reusable AI platforms and tools (e.g. conversational bots, AI-powered search, unstructured data processing, GenAI solutions). Working in cross-functional, embedded teams with business stakeholders to rapidly deliver...

Senior Python Engineer (Microservices/Event-Driven) - Contract £550/day | Outside IR35 4 Months | Watford (HYBRID) We're hiring a Senior Python Engineer with proven time-series experience to work on a Real Time data platform. This is a Back End engineering role focused on event-driven systems and time-series data. It is not a data science or analytics position. What You'll Be Doing Building API-driven Back End services in Python Developing event-driven microservices using Azure Service Bus Working on high-throughput ingestion and processing systems Deploying services via Azure Functions or Docker on AKS Core Requirements (Non-Negotiable) Strong Python Back End engineering experience Demonstrable experience: Designing data models for time-based querying Optimising queries and handling large datasets Working within event-driven architectures Tech Environment Python Azure (Functions, AKS, Storage) Azure Service Bus ADX/Kusto or InfluxDB...

Senior Time-Series Engineer (Python or .NET) - Contract £550/day Hybrid (Watford) 4 Months Outside IR35 We're supporting a technology-led organisation building high-throughput, event-driven systems operating at scale. They are looking for 2 Senior Engineers (1 Python, 1 .NET/C#) to work on a time-series focused platform powering Real Time data ingestion, storage, and analytics. This is not a standard Back End role. If you haven't actually worked hands-on with time-series data in production, this won't be the right fit. What You'll Be Doing Building API-driven Back End services handling high transactional workloads Designing and optimising time-series data pipelines (ingestion storage query) Working with event-driven architectures using Azure Service Bus Modelling time-series datasets for performance and scalability Implementing retention policies, partitioning strategies, and downsampling Optimising query performance across large-scale datasets Deploying...

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 managing staging‑layer pipelines...