26 senior data engineer jobs found in London

🚀 Senior Data Engineer – Storage Optimisation Engagement 🚀 📍London (Hybrid) 📅 Starting ASAP for an initial 8 week engagement 💰 Outside IR35 - rate depending on experience We’re supporting a client looking for a Senior Data Engineer to lead a short-term, high-impact storage optimisation engagement within an ML-heavy environment. This is not a generic BAU role – it’s a focused piece of work with clear deliverables, governance ownership and measurable impact. 🔑 The Role • Assess large-scale storage usage across ML data prep, training and experimentation • Design and execute structured clean-up & optimisation strategies • Implement retention policies and lifecycle governance • Reduce reliance on manual storage management • Deliver a high-level data engineering roadmap • You’ll work closely with ML and Infrastructure engineers, mapping workflows and introducing sustainable improvements. 🎯 We’re looking for someone who: 👉 Has strong...

Senior Data Engineer - Fabric London Hybrid - Outside IR35 We're hiring on behalf of our business we've partnered with for over 8 years, supporting them in building and scaling high-performing technology and data teams. They are now seeking an experienced Senior Data Engineer with strong Microsoft Fabric and Power BI expertise to play a key role in delivering enterprise-scale data solutions. This position will be instrumental in supporting a major global ERP transformation programme , ensuring high-quality reporting, robust data pipelines and scalable data warehouse architecture are in place to drive accurate stakeholder insight and business decision-making across international operations. Key Responsibilities Implement data migration strategies using Microsoft Fabric for reporting and stakeholder consumption Design and build data pipelines using Fabric Pipelines, Azure Data Factory, Notebooks and SSIS Model data from multiple sources into structured outputs...

Senior Data Engineer - Azure, Databricks, Datafactory, Phinsys Tandem, Insurance Our sister company Stellarmann is seeking an experienced Data Engineer to join their team, who are building out a new data platform for processing Finance and Actuarial data. You will be working as part of a talented team building a cutting edge data platform using Azure Databricks, Datafactory and Python integrating with Phinsys Tandem. We're seeking someone with: Proven experience as a Data Engineer Strong hands on experience with Azure Databricks and Azure Data Factory Experience in the Lloyd's/London Market (specialty insurance) Experience working with Phinsys Tandem - essential Proficiency in Python Experience working with Medallion architecture/tiered medallion Lakehouse Experience using Databricks Notebooks for data pipelines This is a 6 month initial engagement, outside IR35 with scope to extend beyond the initial term. If this opportunity aligns with your...

Databricks Data Engineer £500 - £550 per day Outside IR35 We 're partnering with a leading online retail company that 's transforming the way data and real-time intelligence shape customer experiences. Their mission is to harness cutting-edge data and streaming technologies to drive smarter decisions, improve efficiency, and create personalised journeys for millions of shoppers worldwide. The Role As a Senior Data Engineer, you 'll play a key role in developing and optimising the backbone of the company 's data platform. You 'll be responsible for building and maintaining large-scale, real-time data pipelines that power analytics, machine learning, and operational systems across the business. You 'll collaborate with software engineers, data scientists, and analytics teams to ensure the platform delivers reliable, high-quality, and compliant data at scale. This is a hands-on engineering role that blends software craftsmanship with data architecture...

🚀 Contract Opportunity – Snowflake Technical Lead | 🟢 Outside IR35 | Hybrid London A leading Data Consultancy is supporting a large enterprise insurance organisation delivering a major cloud data platform programme and we’re looking to bring in an experienced Snowflake Technical Lead to take ownership of a key delivery workstream. This is a genuinely hands-on leadership role - ideal for someone who enjoys building solutions rather than sitting purely in architecture or governance discussions. The Role You’ll be responsible for leading the technical delivery of a standalone data pipeline within Snowflake, working as part of a wider transformation programme modernising core data capabilities. Responsibilities will include: Designing and building Snowflake data pipelines end-to-end Implementing transformation logic using dbt Applying validation rules and data quality controls Designing logging, monitoring and failure handling approaches Supporting...

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence / cyber security company £500 - £750 per day (inside and outside IR35 roles available) London based organisation in an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R &D companies, Multi-National Consultancies to SME 's and product based companies. Due to the nature of the work these clients do, you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver...

Senior Power BI Consultant - Outside IR35 Location: Central London (2-3 days on-site) Contract: 6-12 months, Outside IR35 Industry: Oil & Gas/Commodity Trading Role Summary A leading energy & commodity trading business is looking for a Senior Power BI Consultant to support ongoing analytics and data-modelling work. The role blends hands-on BI development with business engagement. Key Responsibilities * Build and optimise Power BI dashboards, semantic models, and data flows. * Lead data modelling across complex trading datasets. * Translate business requirements into technical specifications for offshore developers. * Ensure best practice in DAX, SQL, and BI design. * Work within the organisation's Databricks environment (platform familiarity expected). * Provide leadership, guidance, and clear communication to both business and technical teams. Required Skills * Expert-level Power BI, DAX, and data modelling. * Strong SQL and experience with large datasets. *...

Senior IT Risk Analyst – 12 Month Day Rate Contract Central London 12 months (April start) | Technology Risk Rate: £200 - £350/day Outside IR35 We are partnering with a global financial clients are undertaking a major technology and cloud transformation, moving from traditional data centres to AWS and GCP. They are looking for an IT Risk Analyst, to help genuinely shape how technology risk is managed. This is a great opportunity for a Risk Analyst, who is keen to work in a modern, engineering-led environment. Why this role? Direct influence on a flagship cloud transformation Small, high-impact team where your work is visible and valued Opportunity to modernise and automate how risk and controls are run (not a clipboard/tick‑box role) Broad stakeholder exposure across engineering, platforms, InfoSec, Audit, and senior technology leadership Culture that values pace, outcomes, and pragmatism What you’ll be doing Leading IT risk and control assessments...

We're partnering with a fast-growing sports/entertainment business looking to hire a Senior Backend Engineer on a 6-month contract (outside IR35), with potential to convert to permanent (£95k). This is a hands-on tech lead role with ownership of core platform systems powering multiple websites and internal services. The Role You'll take full technical ownership of the NextGen CMS and Master Data (MDM) systems, designing, developing, and mentoring a small team of engineers. This role is perfect for someone who thrives in complex, high-scale environments and wants real impact from day one. Key Responsibilities: Lead development across CMS and MDM systems Maintain and expand complex backend systems (not standard CMS) Mentor engineers and set engineering standards/patterns Drive architecture, integrations, and system scalability Work closely with stakeholders to deliver features and improvements Team Environment: 5 Backend, 3 Frontend engineers, 1 Delivery...

Enterprise Data Architect - Research & Innovation Outside IR35 | £DOE | Immediate Start We are supporting a leading organisation within the Research & Innovation space and are seeking an experienced Enterprise Data Architect to join on a contract basis. This role sits at the intersection of enterprise strategy and data delivery. It is not a pure Enterprise Architect position focused on governance alone, nor is it a hands-on Data Engineer role. We are looking for someone who can think at enterprise level while remaining close enough to delivery to shape practical, scalable solutions. The organisation operates in a complex medical and scientific data environment, and the successful candidate will help align technology and data architecture to broader organisational strategy while influencing future direction. Key Responsibilities Shape and influence enterprise data architecture across a broad research portfolio Align data and technology strategy to...

We 're partnering with a fast-growing sports/entertainment business looking to hire a Senior Backend Engineer on a 6-month contract (outside IR35), with potential to convert to permanent ( £95k). This is a hands-on tech lead role with ownership of core platform systems powering multiple websites and internal services. The Role You 'll take full technical ownership of the NextGen CMS and Master Data (MDM) systems, designing, developing, and mentoring a small team of engineers. This role is perfect for someone who thrives in complex, high-scale environments and wants real impact from day one. Key Responsibilities: Lead development across CMS and MDM systems Maintain and expand complex backend systems (not standard CMS) Mentor engineers and set engineering standards/patterns Drive architecture, integrations, and system scalability Work closely with stakeholders to deliver features and improvements Team Environment: 5 Backend, 3...

Senior NodeJS Engineer - HIRING ASAP Positions Available: 2 Start Date: ASAP Duration: 6 months Location: Remote (Can be based anywhere in Europe) Rate: £500 - £600 per day, outside IR35 Summary These positions are suited for Senior folks, who are motivated, proactive, not afraid to take leadership and are confident to make decisions but are also good team players and have a very good technical skill. Tech stack you will be working in is NodeJS + PSQL + AWS. Responsibilities for Role #1 CDM + HubSpot - extending our clients' Commercial Data Manager including tech improvements and new features, but also taking over maintenance and lead on HubSpot that was built for them by an external agency, however now they're looking into continue expanding it and maintaining it in house. The role will be split 70% CDM and 30% HubSpot, with this person being the key developer looking after HS, alongside with their architect, so for this role previous experience with HubSpot will be...

Overview We are supporting a major enterprise technology transformation programme requiring a Senior Endpoint Engineer/Modern Workplace Specialist to step into a critical delivery role. This is a hands-on technical position focused on endpoint transformation, application deployment, identity integration, and ensuring a seamless end-user experience during an active migration programme. This role suits someone comfortable working in fast-paced environments where delivery timelines are tight and user-facing systems are business critical. Key Responsibilities Endpoint & Application Delivery Package and deploy enterprise applications to managed laptop environments Handle complex deployments including custom plug-ins, certificates, and configuration dependencies Coordinate deployment activities with internal engineering teams and third-party providers Migration & Transformation Support Analyse existing application environments and dependencies...

Senior GraphQL Engineer (Federation) - TypeScript | Node.js | Kubernetes - Contract (Outside IR35) Location: West London (Hybrid - 2 days/week on-site) Contract: 6 months initial (extensions highly likely) Start: ASAP Eligibility: UK-based candidates only Rate: Market rates (Outside IR35) We're hiring a Senior GraphQL Engineer (GraphQL Federation) to design, build and scale high-performance GraphQL APIs in a modern TypeScript/Node.js stack, deployed to Kubernetes in a cloud-native environment. This is an ideal contract for a GraphQL specialist who loves clean schemas, resilient services, and production-grade delivery. The Role (Key Responsibilities) Own end-to-end GraphQL API delivery : schema design through to production integration, focusing on performance, maintainability, security, and scalability . GraphQL Federation expertise : design and implement supergraphs, subgraphs, resolvers , and governance patterns (versioning,...

Senior C# Software Engineer (Contract) Location: London (Hybrid) Rate: £500 per day IR35 Status: Outside IR35 Duration: 6 Months (Initial) The Opportunity Join a high-performing engineering team within a London-based powerhouse that is currently dominating its sector. This company has moved past the startup phase into a period of sophisticated, sustainable growth, and they are now maturing their global platform to be truly cloud-agnostic. This role is perfect for a Senior Engineer who thrives on architectural variety. You won’t just be maintaining a single environment; you will be building high-throughput systems that leverage the best features across AWS, Azure, and GCP . The Role As a Senior C# Engineer, you will lead the development of mission-critical services that form the backbone of a rapidly scaling infrastructure. Your focus will be: Backend Development: Writing clean, testable, and high-performance code using the latest...

Platform Engineer £550 - £650 per day Outside IR35 6 - months Remote Company A well-established investment and asset management organisation is looking for a Platform Engineer to undertake a large-scale data transformation, building out a new cloud-native data platform to support decision-making across the business. The firm is part-way through the development of a greenfield cloud data warehouse on Azure and Snowflake. The project has strong executive sponsorship and is being delivered in partnership with a specialist data architect. As the work progresses into its next phase, the business is hiring a Platform Engineer to join the build effort, with a particular focus on infrastructure, automation and pipeline orchestration. This Platform Engineer will sit within the central finance and planning function and work closely with senior stakeholders, including programme sponsors and business leads. Key responsibilities -...

Platform Engineer | Trading Firm Central London | 3 days on site Outside IR35 | Up to £650 per day A trading firm in central London has rolled out a business wide data platform and now needs a senior Platform Engineer to take full control of the platform layer. Kubernetes is the heart of this environment and they need someone who can run it with confidence, precision and zero drama. What they need you to bring Serious Kubernetes depth covering cluster design, workload orchestration, autoscaling strategies, multi cluster operations, network policy, resource tuning and deep debugging across pods, nodes and the control plane Deep Linux fluency with the ability to harden, tune and own production environments from top to bottom Strong SQL engineering skills covering schema design, performance tuning and high throughput optimisation Solid C# background with clean, maintainable service patterns Ability to design, build and refine CI/CD...

Role: Junior Azure Data Engineer Length: 6 Month Contract (Scope to Extend) Location: 3 Days per Week Onsite Rate: £350 - £370 p/d Outside IR35 A data-driven Specialty Insurer is seeking a hands-on Junior Azure Data Engineer to join their established cloud-native data team on an initial 6-month contract, with strong scope for extension. The organisation has invested significantly in building out a modern Databricks-based data platform over recent years. The focus now shifts to driving value from that investment, enhancing, optimising and further developing the platform to support advanced analytics and business insight. You will have demonstrated experience building & optimizing pipelines using ADF, with strong Python & SQL coding ability and demonstratable experience working on Databricks platform. Responsibilities: Enhance and develop an existing Azure Databricks data platform to improve performance, scalability and usability Design, build...

Software Development Team Lead (Python) £650 per day (Outside IR35) | 6-Month Initial Contract | Hybrid - 2 Days/Week in Stratford, London Overview: A global online non-profit organisation that improves the lives of millions worldwide is seeking one outstanding Software Development Team Leads to join its expanding innovation engineering team. These are high-impact leadership roles driving the development of cutting-edge technology that will revolutionise Education Technology industry. You will lead backend, full-stack, and front-end engineers as part of a growing innovation unit. This role is ideal for a technically strong leader who thrives in complex, fast-moving environments and enjoys solving hard problems. Key Responsibilities: Lead, mentor, and grow a team of software and QA engineers. Provide architectural direction and hands-on technical guidance. Collaborate with Product, Experience Design, QA, and technical leadership. Influence...

Lead Backend Engineer - HIRING ASAP Start Date: ASAP Duration: 6 Months Location: Remote Rate: £500 - £600 per day, outside IR35 Summary This position is suited for Senior folks, who are motivated, proactive, not afraid to take leadership and are confident to make decisions but are also good team players and have a very good technical skill. Tech stack you will be working in is NodeJS + PSQL + AWS. Responsibilities NextGen and MDM systems, which are the main engines that are powering our clients' websites. You should take a tech lead on these services and be able to mentor others, work with EM/Delivery/Product etc. Good tech skills and design principles are probably key here. Key Skills Experience within NodeJS + PSQL + AWS. iGaming, or Casino Betting industry experience preferred.