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13 senior data engineer jobs found in London

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London senior data engineer £400 - £500
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Outside Spy
Jun 26, 2026
6 Months or more
Senior Data Engineer (databricks) at Primus Connect Ltd, London, 6 Months, £500-£600 per day
£500 - £600 per day
Outside Spy London, UK
Databricks Platform Buildout Senior Data Engineer Outside IR35 Fully Remote £500 - £575 per day Overview & Objective We are seeking 3x Senior Data Engineers for a Databricks Platform Buildout project which is part of a bigger engagement. The main project focus is to review the group-level Databricks platform foundations to confirm readiness for replication and then rollout across country-level platforms. These Engineers will participate in the rollout and replication phase. Requirements 4+ Years Data Engineering Experience, 5+ years of consulting experience Minimum 2-3 projects delivered with hands-on experience in Databricks Experience in Spark and/or Hadoop, Familiarity with Databricks multi-hop pipeline architecture Technical Stack and Required Capabilities Python, SQL Strong Databricks knowledge (PySpark, SQL, Delta Lake, Unity Catalog) Azure ETL/ELT development and data pipeline orchestration (eg, Databricks Workflows,...
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
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 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 25, 2026
up to 6 Months
Postgres Data Engineer - Outside IR35/Remote at LA International Computer Consultants Ltd, London, 3 to 6 Months, £Negotiable Rate
£350 - £450 per day
Outside Spy Remote (London, UK)
Postgres Data Engineer - Outside IR35/Remote We are looking for 3 to 4 Postgres data engineers from junior to senior level. You will have the following experience: - Good proficiency of SQL - Working experience on PostgreSQL - Experience in data analysis and data transformation - Experience in data remediations and data fix in production environment - Maintain highly scalable PostgreSQL and SQL database solutions. - Build, and Profile and optimize complex SQL queries, views, indexes, and stored procedures - Deliver robust ETL/ELT data pipelines to ingest, transform, and load data This will be on a 3 month contract (outside IR35) and is based remotely. Candidates need to be based in the UK. To be considered please send over your latest CV. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market...
Outside Spy
Jun 23, 2026
Duration not stated
Senior Software Engineer - (Contract) at Softwire, London Area, £500-£580 per day
£500 - £580 per day
Outside Spy London Area, United Kingdom
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...
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 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
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...
Outside Spy
Jun 25, 2026
Duration not stated
Data Consultant at Ventula Consulting, London Area, £450 per day
£450 per day
Outside Spy London Area, United Kingdom
Senior Data Consultant – 6 months - £450 p/d (Outside IR35) – London – Hybrid An experienced Senior Data Consultant is required to join our banking client on an initial six-month contract to support the delivery of enterprise-grade data products. This role will play a critical part in translating business requirements into well-defined, high-quality, reusable data assets, sitting at the intersection of business, data architecture, and engineering. The successful candidate will lead source-to-target mapping activities and define, document, and maintain data quality rules in collaboration with data engineers, architects, and governance teams. The ideal candidate will have a strong understanding of data quality concepts, controls, and governance, alongside practical experience supporting the release of data products into production. You will also possess hands-on data skills in Excel and/or SQL, with a solid understanding of OLAP, OLTP, and relational data structures....
Outside Spy
Jun 23, 2026
up to 6 Months
Android Developer with Kotlin/Jetpack Compose at Gravitas Recruitment Group Ltd, London, 3 Months, £450-£500 per day
£450 - £500 per day
Outside Spy London, UK
Android Developer/Mobile Developer with Kotlin/Jetpack Compose. 90% REMOTE. £450-£500/DAY OUTSIDE IR35 PAY. 3 MONTH CONTRACT INITIALLY. Our Government client seeks a dynamic and technically astute Android Developer with 7 years minimum Mobile (Android Development) experience. THE IDEAL CANDIDATE WILL HAVE THE ABILITY TO BECOME SC CLEARED DUE TO GOVERNMENT SENSITIVE DATA. We are expanding our Mobile Development team and looking for talented Android Developer who are passionate about building high-quality mobile applications. If you enjoy solving complex problems, working with modern technologies, and contributing to a collaborative engineering culture, this is an opportunity to make a real impact. About the Role As a Mobile Developer, you will play a key role in designing, building, and maintaining advanced Android applications used by thousands of users. You'll work closely with product managers, designers, Back End engineers, and QA to deliver features that are...
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...
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