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31 data engineer jobs found in London

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London data engineer £400 - £500
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Outside Spy
Jun 19, 2026
Duration not stated
Senior Data Engineer at TRIA, London Area, £500-£550 per day
£500 - £550 per day
Outside Spy London Area, United Kingdom
Senior Data Engineer / GCP / Looker / Big Query £500 - 550 per day (Outside IR35) London / Hybrid (1 day a week) This is an opportunity for you to join a rapidly growing ecommerce business who are looking for a Senior Data Engineer. This role is ideal for someone who has built and operated modern data platforms natively within GCP and can take ownership of the full data engineering lifecycle, from ingestion and transformation through to semantic modelling and reporting enablement. You must have experience in designing, building and optimising scalable data pipelines within the GCP ecosystem. You must also have experience working with Looker as this role with be integral between the commercial and BI teams. Key Requirements: Expert experience across the Google Cloud Platform ecosystem Hands-on experience with BigQuery, including optimisation, modelling and performance tuning Proven experience building scalable data pipelines within GCP Strong knowledge of...
Outside Spy
Jun 19, 2026
Duration not stated
Senior Data Engineer/GCP/Looker/Big Query at Tria Recruitment, London, £500-£550 per day
£500 - £550 per day
Outside Spy London, UK
Senior Data Engineer/GCP/Looker/Big Query £500 - 550 per day (Outside IR35) London/Hybrid Senior Data Engineer/GCP/Looker/Big Query This is an opportunity for you to join a rapidly growing E-commerce business who are looking for a Senior Data Engineer to build and maintain data pipelines for a new reporting solution within the business. You'll be responsible for the build across ingestion, modelling and creating semantic layers using their GCP stack. Successful applicants will have experience with: Looker BigQuery GCP Gemini Exceptional candidates would have worked with: Retail Data If you're interested in the role please apply to be considered. London/Hybrid £500 - 550 per day (Outside IR35) Senior Data Engineer/GCP/Looker/Big Query
Outside Spy
Jun 17, 2026
Duration not stated
Azure Data Engineer at Franklin Bates Limited, West London, to £500 per day
£400 - £500 per day
Outside Spy London, UK
Azure Data Engineer Flexible office presence offered in line with your preference (West London office) Up to £500 per day outside IR35 6 month contract term initially *Please only apply for consideration if you have full, independent right to work in the UK and you are already living in the UK permanently. Our client cannot offer visa sponsorship or support with relocation to the UK.* Support a data warehouse migration with a very well-established housing association who have been building and maintaining quality homes across London and Southern England for over 70 years so far as a not-for-profit organisation. Requirements for this Azure Data Engineer position: Solid Azure skills across Azure Data Factory and Azure Databricks, ideally also Synapse Ability to write in Python Excellent communication and collaboration skills. A desire to embed yourself into a team culture This Azure Data Engineer role is offers...
Outside Spy
Jun 17, 2026
Duration not stated
Senior Data Engineer at Opus Recruitment Solutions Ltd, London, £475-£525 per day
£475 - £525 per day
Outside Spy London, UK
Senior Data Engineer | Hybrid | Outside IR35 | £475 - £525 | London We are looking for a Senior Data Engineer to join a leading organisation on a contract basis. This role will suit someone with strong experience across the Azure data platform , particularly Databricks and PySpark , who can take ownership of data engineering delivery from design through to implementation. This is a hybrid role requiring the candidate to be on site 2 days per month. You will be working on building and enhancing modern data platforms, delivering scalable data pipelines, and supporting high-volume data processing in a cloud environment. Key Responsibilities Design and build scalable data pipelines using Azure technologies Develop and optimise solutions in Databricks using PySpark Work with large and complex datasets, including streaming and batch data Build and maintain data platforms and data warehouses Implement ETL/ELT processes and data transformation logic Collaborate...
Outside Spy
Jun 17, 2026
Duration not stated
Azure Data Engineer at Franklin Bates, West London, £425-£500 per day
£425 - £500 per day
Outside Spy London, UK
Azure Data Engineer Flexible office presence offered in line with your preference (West London office) Up to £500 per day outside IR35 6 month contract term initially *Please only apply for consideration if you have full, independent right to work in the UK and you are already living in the UK permanently. Our client cannot offer visa sponsorship or support with relocation to the UK.* Support a data warehouse migration with a very well-established housing association who have been building and maintaining quality homes across London and Southern England for over 70 years so far as a not-for-profit organisation. Requirements for this Azure Data Engineer position: Solid Azure skills across Azure Data Factory and Azure Databricks, ideally also Synapse Ability to write in Python Excellent communication and collaboration skills. A desire to embed yourself into a team culture This Azure Data Engineer role is offers...
Outside Spy
Jun 17, 2026
Duration not stated
Senior Data Engineer at Opus Recruitment Solutions Ltd, London, £475-£525 per day
£475 - £525 per day
Outside Spy London, UK
Senior Data Engineer | Hybrid | Outside IR35 | £475 - £525 | London We are looking for a Senior Data Engineer to join a leading organisation on a contract basis. This role will suit someone with strong experience across the Azure data platform , particularly Databricks and PySpark , who can take ownership of data engineering delivery from design through to implementation. This is a hybrid role requiring the candidate to be on site 2 days per month. You will be working on building and enhancing modern data platforms, delivering scalable data pipelines, and supporting high-volume data processing in a cloud environment. Key Responsibilities Design and build scalable data pipelines using Azure technologies Develop and optimise solutions in Databricks using PySpark Work with large and complex datasets, including streaming and batch data Build and maintain data platforms and data warehouses Implement ETL/ELT processes and data...
Outside Spy
Jun 11, 2026
Duration not stated
Senior Data Engineer at Opus Recruitment Solutions, London Area, £450-£550 per day
£450 - £550 per day
Outside Spy London Area, United Kingdom
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 a 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 and regulatory requirements. Key Requirements: Strong experience with Databricks and PySpark Solid Azure data platform experience Proven ability to build reusable frameworks and libraries Experience leading code quality and working with offshore teams Desirable: Experience in regulatory reporting or financial services Exposure to Tagetik...
Outside Spy
Jun 10, 2026
6 Months or more
Senior Data Engineer at Opus Recruitment Solutions Ltd, London, 6 Months, £450-£550 per day
£450 - £550 per day
Outside Spy London, UK
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 a 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 and regulatory requirements. Key Requirements: Strong experience with Databricks and PySpark Solid Azure data platform experience Proven ability to build reusable frameworks and libraries Experience leading code quality and working with offshore teams Desirable: Experience in...
Outside Spy
Jun 10, 2026
Duration not stated
Senior Data Engineer at Opus Recruitment Solutions Ltd, London, £450-£550 per day
£450 - £550 per day
Outside Spy London, UK
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 a 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 and regulatory requirements. Key Requirements: Strong experience with Databricks and PySpark Solid Azure data platform experience Proven ability to build reusable frameworks and libraries Experience leading code quality and working with offshore...
Outside Spy
Jun 19, 2026
Duration not stated
Senior Data Engineer / GCP / Looker / Big Query at Tria, Greater London, £500 to £550 per Day
£500 - £550 per day
Outside Spy Greater London, UK
Senior Data Engineer / GCP / Looker / Big Query £500 - 550 per day (Outside IR35) London / Hybrid Senior Data Engineer / GCP / Looker / Big Query This is an opportunity for you to join a rapidly growing ecommerce business who are looking for a Senior Data Engineer to build and maintain data pipelines for a new reporting solution within the business. You'll be responsible for the build across ingestion, modelling and creating semantic layers using their GCP stack. Successful applicants will have experience with: Looker BigQuery GCP Gemini Exceptional candidates would have worked with: Retail Data If you're interested in the role please apply to be considered. London / Hybrid £500 - 550 per day (Outside IR35) Senior Data Engineer / GCP / Looker / Big Query
Outside Spy
Jun 17, 2026
Duration not stated
Senior Data Engineer at Opus Recruitment Solutions, Greater London, £475 to £525 per Day
£475 - £525 per day
Outside Spy Greater London, UK
Senior Data Engineer | Hybrid | Outside IR35 | £475 - £525 | London We are looking for a Senior Data Engineer to join a leading organisation on a contract basis. This role will suit someone with strong experience across the Azure data platform, particularly Databricks and PySpark, who can take ownership of data engineering delivery from design through to implementation. This is a hybrid role requiring the candidate to be on site 2 days per month. You will be working on building and enhancing modern data platforms, delivering scalable data pipelines, and supporting high-volume data processing in a cloud environment. Key Responsibilities Design and build scalable data pipelines using Azure technologies Develop and optimise solutions in Databricks using PySpark Work with large and complex datasets, including streaming and batch data Build and maintain data platforms and data warehouses Implement ETL/ELT processes and data transformation logic Collaborate with stakeholders...
Outside Spy
Jun 10, 2026
Duration not stated
Data Engineer at Venturi, London Area, £400-£500 per day
£400 - £500 per day
Outside Spy London Area, United Kingdom
Analytics Engineer Hybrid (3 days on site in Central London) £400-500p/d (Outside IR35) Role Overview We’re looking for an Analytics Engineer to join a small, focused data team on a 6-month contract to rebuild reporting infrastructure and migrate from a legacy CRM system to a modern cloud data stack. This is a hands-on, scoped delivery role where you’ll own a defined workstream, working closely with analysts who hold the domain context and manage stakeholder relationships. You’ll bring build velocity to the intermediate and fact-layer modelling while reconciling historical legacy data into new formats. Technical Stack Cloud Platform: GCP / BigQuery Core Transformation Tool: dbt Data Lineage / Catalog: Secoda, DataHub, or OpenMetadata (tool to be implemented) Migration Project Experience: Legacy CRM system onto BigQuery & dbt Requirements Must have: Production dbt experience, BigQuery/SQL proficiency, data...
Outside Spy
Jun 19, 2026
Duration not stated
AI Voice Engineer at Harnham - Data & Analytics Recruitment, London, £300-£560 per day
£300 - £560 per day
Outside Spy London, UK
AI Voice Engineer (Contract) Fully Remote £300- £560 Per Day Outside IR35 Immediate Start 3 Months Initially The Company They are a well-established organisation operating within a regulated environment, focused on delivering better outcomes for their customers through technology. As part of a wider AI transformation programme, they have already seen strong success with voice AI solutions internationally and are now expanding these capabilities into the UK. The business is investing heavily in AI, with clear backing from senior leadership and a strong appetite for innovation. You will join a collaborative data and AI function with a focus on practical, scalable solutions. The Role and Deliverables Design, build and optimise AI-powered voice agents for real-world customer interactions Develop and integrate voice pipelines using leading speech and conversational AI technologies Build robust Python-based services to support...
Outside Spy
Jun 16, 2026
Duration not stated
Data Integration Engineer at Uneek Global, Clapham, £400 per day
£400 per day
Outside Spy Clapham, England, United Kingdom
Data Integration Engineer LOCATION: Clapham, London (3 days per week onsite) RATE: £400 per day (Outside IR35) DURATION: 3-Month Contract We're supporting a leading global health & fitness business as they continue to expand their data and analytics capabilities. This is an exciting opportunity for an experienced Data Integration Engineer to play a key role in multiple business-critical initiatives, helping to design, build, and optimise data integration and migration solutions across the organisation. Key Responsibilities Design, develop, and maintain data integration and ETL solutions Build and optimise data pipelines to support analytics and reporting requirements Lead data migration activities between source and target systems Implement data validation, cleansing, and transformation processes Monitor and troubleshoot data pipelines, ensuring reliability and performance Collaborate with business stakeholders to gather and translate requirements...
Outside Spy
Jun 11, 2026
Duration not stated
AI Architect at Vermillion Analytics, London, £400 per day
£400 per day
Outside Spy London, UK
AI Architect | Contract | 6 Months | £400/day | Outside IR35 | Remote (UK Based) Start straight away The Opportunity A leading enterprise AI services firm is looking for a hands-on AI Architect to define and deliver next-generation GenAI and agentic AI platforms across a global client base. You 'll own end-to-end architecture across Azure AI Foundry, Databricks, and AWS - from discovery through production - and act as a trusted technical voice in pre-sales, CXO conversations, and partner co-innovation. Rate: £400/day Duration: 6 months IR35: Outside Location: Remote (UK based candidates only) What You 'll Be Doing Designing reference architectures and platform standards for repeatable, scalable client delivery Architecting production-grade GenAI platforms on Azure AI Foundry - RAG, copilots, and multi-agent systems Building Lakehouse-based AI platforms using Databricks, Mosaic AI, MLflow 3.0, and Unity Catalog Designing...
Outside Spy
Jun 19, 2026
Duration not stated
Hardware & Embedded Software Engineer at Zenovo, London/Hybrid, £50 - £55 per hour
£350 - £440 per day
Outside Spy Hybrid (London, UK)
Full job description Location:  London (Hybrid) Rate:  £50-55 per hour + VAT IR35 Status:  Outside IR35 About the Opportunity We're supporting an innovative technology business developing cutting-edge wearable products that combine hardware, embedded systems, AI, and data analytics to deliver real-time performance coaching. The business has grown from an early-stage concept into a globally recognised technology platform, leveraging large-scale real-world data and intelligent sensing to create industry-leading products. We're seeking a Hardware & Embedded Software Engineer to help develop the next generation of wearable technology. The Role This is a highly varied engineering position sitting at the intersection of hardware, embedded software, sensors, and product development. You'll work closely with product, AI, mobile, and data teams to develop wearable electronics that deliver accurate real-time performance feedback in demanding...
Outside Spy
Jun 18, 2026
6 Months or more
Backend Engineer at Tria Recruitment, London, 6 Months, £450-£500 per day
£450 - £500 per day
Outside Spy London, UK
Backend Engineer - Java/Spring Boot £450 - £500 Outside IR35/6 Month Contract London - Hybrid - 1/2 Days Onsite Our client are looking for a Backend Engineer to join a team building scalable, customer-facing digital products. The role focuses on developing Java/Spring Boot services within a GCP environment, building data pipelines, and integrating with a customer engagement platform used in retail environments. You'll need to show where you've worked on highly available, high-traffic systems, collaborating closely with Front End engineers who are integrating booking and appointment functionality. Key Requirements: Strong commercial experience with Java and Spring Boot Experience integrating Back End services with third-party platforms and APIs Demonstrable experience working on high-availability, high-traffic applications
Outside Spy
Jun 17, 2026
Duration not stated
Senior Software Engineer (Contract) at Softwire, London Area, £500-£650 per day
£500 - £650 per day
Outside Spy London Area, United Kingdom
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...
Outside Spy
Jun 17, 2026
up to 6 Months
Senior Voice AI Engineer at Oscar Associates Ltd, London, 3 to 4 Months, £350-£500 per day
£350 - £500 per day
Outside Spy London, UK
?? Senior Voice AI Engineer - Contract (Outside IR35) | £350-500/day | 3-4 months | Remote ?? We're looking for a hands-on engineer to take an existing voice AI proof-of-concept and turn it into a reliable, production-grade system ready for real users. The prototype works - but it now needs to be made fast, stable, scalable, and cost-efficient. What you'll be doing: - Productionising a voice AI system from an existing PoC - Working with voice platforms such as ElevenLabs/Deepgram (or similar) - Improving Real Time performance and reducing latency - Designing lightweight orchestration (simple, deterministic flows over complex prompt chains) - Integrating customer/internal data using RAG approaches - Optimising cost, reliability, and system efficiency - Building and maintaining API/SDK-based voice pipelines - Supporting secure handling of sensitive/PII data What we're looking for: - Strong experience building voice AI or Real Time speech systems - Hands-on experience with...
Outside Spy
Jun 17, 2026
Duration not stated
Senior Voice AI Engineer at Oscar Technology, London, £350-£500 per day
£350 - £500 per day
Outside Spy London, UK
Senior Voice AI Engineer - Contract (Outside IR35) | £350-500/day | 3-4 months | Remote We 're looking for a hands-on engineer to take an existing voice AI proof-of-concept and turn it into a reliable, production-grade system ready for real users. The prototype works - but it now needs to be made fast, stable, scalable, and cost-efficient. What you 'll be doing: - Productionising a voice AI system from an existing PoC - Working with voice platforms such as ElevenLabs / Deepgram (or similar) - Improving real-time performance and reducing latency - Designing lightweight orchestration (simple, deterministic flows over complex prompt chains) - Integrating customer/internal data using RAG approaches - Optimising cost, reliability, and system efficiency - Building and maintaining API/SDK-based voice pipelines - Supporting secure handling of sensitive/PII data What we 're looking for: - Strong experience building voice AI or real-time speech systems - Hands-on...
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