20 data integration engineers jobs found

Lead Data Engineer £400/day (Outside IR35) | 3-Month Initial Contract, with view to extend | Remote (occasional travel to London) | UK-based candidates only, must hold full right to work in the UK About the Role We're looking for a Lead Data Engineer to take ownership of core data engineering and architecture work while providing technical leadership to a delivery team. This is a hands-on senior role for someone equally comfortable designing scalable data solutions and guiding the engineers building them. Key Details Rate: £400 per day, Outside IR35 Contract Length: 3 months initially, with a strong intention to extend Working Pattern: Remote-first, with occasional travel into London as required Location Requirement: Candidates must be UK-based with full right to work in the UK — no sponsorship available The Role Lead core data engineering and architecture initiatives, setting technical direction and best practice Bring prior experience leading or mentoring delivery...

Lead Data Engineer £400/day (Outside IR35) | 3-Month Initial Contract, with view to extend | Remote (occasional travel to London) | UK-based candidates only, must hold full right to work in the UK About the Role We 're looking for a Lead Data Engineer to take ownership of core data engineering and architecture work while providing technical leadership to a delivery team. This is a hands-on senior role for someone equally comfortable designing scalable data solutions and guiding the engineers building them. Key Details Rate: £400 per day, Outside IR35 Contract Length: 3 months initially, with a strong intention to extend Working Pattern: Remote-first, with occasional travel into London as required Location Requirement: Candidates must be UK-based with full right to work in the UK - no sponsorship available The Role Lead core data engineering and architecture initiatives, setting technical direction and best practice Bring prior...

Data Engineer - Salesforce Integration Specialist 6-Month Contract | £450/day | Outside IR35  - King's Cross, London (2-3 Days per Week Onsite) - Start Date: 3rd August We're supporting a leading Salesforce Partner on a confidential end-client engagement and are looking for an experienced Data Engineer with strong Salesforce integration expertise. This role will be focused on building and supporting data integration solutions with Salesforce at the centre of the architecture, connecting multiple business systems and data sources through scalable, reliable pipelines. The Role You will be responsible for designing, developing and maintaining data flows into and out of Salesforce, helping to ensure business-critical data is available, accurate and synchronised across the wider technology estate. Working alongside Salesforce Consultants, Architects and technical stakeholders, you'll play a key role in delivering complex integration solutions and enabling seamless connectivity...

Data Engineer - Salesforce Integration Specialist 6-Month Contract | £450/day | Outside IR35 King 's Cross, London (2-3 Days per Week Onsite) Start Date: 3rd August We 're supporting a leading Salesforce Partner on a confidential end-client engagement and are looking for an experienced Data Engineer with strong Salesforce integration expertise. This role will be focused on building and supporting data integration solutions with Salesforce at the centre of the architecture, connecting multiple business systems and data sources through scalable, reliable pipelines. The Role You will be responsible for designing, developing and maintaining data flows into and out of Salesforce, helping to ensure business-critical data is available, accurate and synchronised across the wider technology estate. Working alongside Salesforce Consultants, Architects and technical stakeholders, you 'll play a key role in delivering complex integration solutions and...

Senior Full Stack Engineer | Outside IR35 | Remote We are looking for a Senior Full Stack Engineer to join a large-scale digital programme within the public sector. This role would suit an experienced engineer who can work across application development and cloud infrastructure within a modern, microservices-based environment. You will contribute throughout the software delivery life cycle, building reliable digital services using TypeScript, Java and AWS. You'll work collaboratively with technical teams and stakeholders, taking ownership across Front End, Back End and DevOps activities. Key Responsibilities Design, build and maintain cloud-native applications and microservices. Develop Back End services using TypeScript, Node.js, Fastify and Java Spring Boot. Contribute to Front End development and integration activities. Build and optimise PostgreSQL databases and data integrations. Deploy and support services across AWS ECS and EKS environments. Develop infrastructure...

Power BI Developer 12 Month Contract | Outside IR35 | £450-£500 per day | Hybrid (London) We're working with a well-established organisation undergoing a major Retail Transformation Programme and are looking to appoint an experienced Power BI Developer on an initial 12+ month Outside IR35 contract . This opportunity sits across several high-profile transformation initiatives, with a strong focus on Retail, Omnichannel and Finance workstreams, delivering enterprise reporting solutions that will become core to the organisation's BAU reporting capability. Essential Experience To be considered for this role, you must demonstrate: Previous experience delivering Power BI solutions within a Retail Transformation programme . Experience supporting Retail, Omnichannel and Finance workstreams. Proven ability to transition reporting solutions from project delivery into BAU , acting as the conduit between transformation teams and operational business functions. Strong...

Power BI Developer 3 Month Contract | Outside IR35 | £450-£500 per day | Hybrid (London) We're working with a well-established organisation undergoing a major Retail Transformation Programme and are looking to appoint an experienced Power BI Developer on an initial 3 + month Outside IR35 contract . This opportunity sits across several high-profile transformation initiatives, with a strong focus on Retail, Omnichannel and Finance workstreams, delivering enterprise reporting solutions that will become core to the organisation's BAU reporting capability. Essential Experience To be considered for this role, you must demonstrate: Previous experience delivering Power BI solutions within a Retail Transformation programme . Experience supporting Retail, Omnichannel and Finance workstreams. Proven ability to transition reporting solutions from project delivery into BAU , acting as the conduit between transformation teams and operational business functions. Strong...

AI SOFTWARE ENGINEER - DV CLEARED BRAND NEW OUTSIDE IR35 CONTRACT OPPORTUNITY AVAILABLE WITH A LEADING NATIONAL SECURITY CONSULTANCY FOR AN AI SOFTWARE ENGINEER Contract opportunity for an AI Software Engineer Outside IR35 Day rate up to £650 Hybrid role - London Must hold active UKSV DV clearance To apply please email or call WHO WE ARE? We are working with a specialist consultancy delivering cutting-edge AI and software solutions into the UK National Security and Defence sector. Due to continued growth and the expansion of several mission-critical programmes, we are looking for an experienced AI Software Engineer to join a high-performing engineering team in London. WHAT WILL THE AI SOFTWARE ENGINEER BE DOING? You will be designing and building AI-enabled software systems that support complex operational environments. The role will involve developing scalable backend services, integrating machine learning models into production...

Senior Power BI Developer - London/Hybrid - 12-month contract - Outside IR35 We're currently supporting a client who is looking to bring in an experienced Power BI Developer on an Outside IR35 contract to help deliver high-quality reporting and analytics solutions across the business with a focus on Finance & Retail data. This is an excellent opportunity for a contractor who enjoys working across the full Power BI lifecycle, from data modelling and DAX development through to stakeholder engagement and production-ready dashboards. The role will require 1 day per week onsite at the clients London offices. The Role You'll work closely with business stakeholders, Data Engineers and Analysts to design, build and optimise scalable Power BI solutions that enable data-driven decision making. Key responsibilities include: Designing and developing Power BI dashboards and reports Building robust semantic models using Star Schema principles Developing advanced DAX measures...

Senior Data Engineer / Modeller | London | Outside IR35 | £400 - £500 | Hybrid This is a hands-on role suited to someone who enjoys working across the full data lifecycle — from designing scalable platforms and pipelines to shaping well-structured data models that drive meaningful business insight. You’ll operate in a collaborative, small-team environment, working closely with both technical teams and non-technical stakeholders to turn complex requirements into clear, practical solutions. What You’ll Be Doing Designing and delivering robust data models (conceptual, logical, dimensional) for analytics and reporting Building and optimising data platforms and ETL/ELT pipelines in cloud environments Ingesting and integrating data from various sources (APIs, databases, flat files) Translating business needs into scalable, maintainable data solutions Applying best practices across data governance, quality, and security Working directly with clients, explaining technical concepts...

Senior Data Engineer/Modeller | London | Outside IR35 | £400 - £500 | Hybrid This is a hands-on role suited to someone who enjoys working across the full data life cycle - from designing scalable platforms and pipelines to shaping well-structured data models that drive meaningful business insight. You'll operate in a collaborative, small-team environment, working closely with both technical teams and non-technical stakeholders to turn complex requirements into clear, practical solutions. What You'll Be Doing Designing and delivering robust data models (conceptual, logical, dimensional) for analytics and reporting Building and optimising data platforms and ETL/ELT pipelines in cloud environments Ingesting and integrating data from various sources (APIs, databases, flat files) Translating business needs into scalable, maintainable data solutions Applying best practices across data governance, quality, and security Working directly with clients, explaining technical...

Senior Data Engineer / Modeller | London | Outside IR35 | £400 - £500 | Hybrid This is a hands-on role suited to someone who enjoys working across the full data lifecycle - from designing scalable platforms and pipelines to shaping well-structured data models that drive meaningful business insight. You'll operate in a collaborative, small-team environment, working closely with both technical teams and non-technical stakeholders to turn complex requirements into clear, practical solutions. What You'll Be Doing Designing and delivering robust data models (conceptual, logical, dimensional) for analytics and reporting Building and optimising data platforms and ETL/ELT pipelines in cloud environments Ingesting and integrating data from various sources (APIs, databases, flat files) Translating business needs into scalable, maintainable data solutions Applying best practices across data governance, quality, and security Working directly with...

Lead Databricks Data Engineer £500 - £600 per day Outside IR35 London, hybrid working This freelance opportunity offers the chance to shape the future-state data platform for a large, complex financial services organisation. The focus is on moving from slow, batch-based analytics towards a more modern, streaming-led architecture, with clear ownership over data vision, use cases, and delivery direction. The Company They are a well-established organisation operating at scale within the UK financial services and pensions landscape. Managing significant volumes of legacy and live data, they work with both onshore and offshore delivery partners. The business is at a pivotal point in modernising how data is accessed, governed, and used to drive insight. Clear communication and pragmatic decision-making are highly valued. The Role and Deliverables Define a clear end-to-end data vision, covering current state, target architecture, and practical...

Senior Software Engineer - Kotlin & Coroutines. £500/day LTD CO OUTSIDE IR35. 100% REMOTE. An interest in AI (Agentic AI, AI tooling, Claude, Codex or Co-Pilot) highly advantageous but not essential. We are looking for a Senior Backend Engineer (Kotlin & Coroutines essential) to build the integrations that connect AI companion with senior care and hospital software platforms. In this role, you will design, build, and maintain robust Back End services and integrations that enable seamless data exchange between the company and partner systems. You'll take end-to-end ownership of integration projects-from discovery and architecture through implementation, deployment, and continuous improvement. Key Responsibilities for the Kotlin & Coroutines Developer are: Design, develop, and maintain integrations between my clients platform and third-party healthcare and senior care software systems. Build scalable, secure, and maintainable Back End services and APIs using...

Databricks + MLOps + Recommendation Systems + Entity Matching Role: Data Scientist Rate: £500-545 GBP per day Outside IR35 4 months initial London - Hybrid Role Summary Senior data scientist/ML engineer to design, build, and productionise ML capabilities on a Databricks platform buildout for an international events company. The role covers three interconnected workstreams: MLOps foundation, recommendation engine (exhibitors and sessions for event attendees), and single customer view (identity resolution across sparse conference registration data). The role includes MLOps framework design and implementation, recommendation approach experimentation and delivery, tiered identity resolution (deterministic + fuzzy matching), a human-in-the-loop review workflow via Databricks Apps, plus documentation and knowledge transfer to the internal team. This is a hands-on delivery role: responsible for both defining the ML approach and implementing it end-to-end....

CRO / AI Experimentation Engineer Contract 6-month minimum contract, Outside IR35, £350-450 Day Rate, August Start Date, London. This is an opportunity to shape how AI-powered products are measured, tested and optimised in a live commercial environment. You will take ownership of experimentation delivery across AI-native customer experiences, ensuring every product change is assessed against meaningful business outcomes such as conversion, containment and customer satisfaction. The Company They are a data and technology-led organisation delivering AI-powered digital products alongside an established web estate. Their teams are investing heavily in conversational AI, recommendation engines and LLM-driven customer experiences. As they expand their experimentation capability, they are looking for a hands-on specialist who can bridge traditional optimisation practices with AI-native product development. The Role and Deliverables Build, instrument and...

Remote Contract (UK Candidates only) Ideal start date: ASAP Contract Duration: 6 Months Outside IR35 Rate: £500-600 p/d Elsewhen, a London-based consultancy, designs and builds technology solutions for clients like Spotify, Google, Inmarsat, and Zego. Over the past decade, we have built a workplace prioritising impact, drive, and friendliness. We value outcomes over hours and agility over rigid processes. Work Environment: Fully Remote in the UK Join our team:https://www.elsewhen.com. We are looking for a talented Senior AI Engineer to join a brand new delivery squad focused on solving new client problems in 4-week cycles. Each project is designed to produce a working pilot that demonstrates clear value, not a polished long-term system. You’ll work in a 4-person team (AI Engineer, Product Manager, Data Scientist, Principal for AI Engineering), using AI coding tools (e.g. Claude Code) to reduce build time and get solutions into a...

Job Description Senior Python Backend Engineer – Web Scraping Project 6-month contract | £500 per day | London | Hybrid working A specialist sports modelling and trading technology business is looking for a Senior Python Backend Engineer to join its platform team on an initial six-month contract. The role will focus on a business-critical web scraping project designed to expand and improve access to external liquidity providers and real-time market data. You’ll build reliable, low-latency services that collect, process and distribute data from external platforms, including systems that may not provide stable or conventional APIs. This is a strong opportunity for an experienced backend engineer who enjoys technically challenging work involving web scraping, reverse engineering, real-time data, imperfect third-party integrations and production systems where speed, correctness and reliability all matter. You’ll work within a small, highly capable...

Remote Contract (UK Candidates only) Ideal start date: ASAP Contract Duration: 6 Months Outside IR35 Rate: £500-600 p/d Elsewhen, a London-based consultancy, designs and builds technology solutions for clients like Spotify, Google, Inmarsat, and Zego. Over the past decade, we have built a workplace prioritising impact, drive, and friendliness. We value outcomes over hours and agility over rigid processes. Work Environment: Fully Remote in the UK Join our team:https://www.elsewhen.com. We are looking for a talented Senior AI Engineer to join a brand new delivery squad focused on solving new client problems in 4-week cycles. Each project is designed to produce a working pilot that demonstrates clear value, not a polished long-term system. You’ll work in a 4-person team (AI Engineer, Product Manager, Data Scientist, Principal for AI Engineering), using AI coding tools (e.g. Claude Code) to reduce...

Job Description Senior Python Backend Engineer – Web Scraping Project 6-month contract | £500 per day | London | Hybrid working A specialist sports modelling and trading technology business is looking for a Senior Python Backend Engineer to join its platform team on an initial six-month contract. The role will focus on a business-critical web scraping project designed to expand and improve access to external liquidity providers and real-time market data. You’ll build reliable, low-latency services that collect, process and distribute data from external platforms, including systems that may not provide stable or conventional APIs. This is a strong opportunity for an experienced backend engineer who enjoys technically challenging work involving web scraping, reverse engineering, real-time data, imperfect third-party integrations and production systems where speed, correctness and reliability all matter. You’ll work within a...