26 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...

Data Engineer - AI Data Platform - Outside IR35 - Remote The Data Engineer will be responsible for building the core data infrastructure underpinning next-generation AI products, integrating enterprise and third-party data sources, and developing scalable data services to support AI-driven applications. Data Engineer - AI Data Platform - Key Skills: - Proven experience building scalable enterprise data platforms and data infrastructure. - Must have strong understanding of AI/LLM data architectures and enabling AI agents to retrieve and prioritise enterprise data. - Investment Management background preferred - Strong Azure experience, including Azure Service Bus and cloud-native data services. - Experience developing MCP registries, connectors, and data integration frameworks. - Strong experience integrating third-party data providers (eg S&P or similar external data sources). - Experience designing universal data layers to support AI, analytics, and enterprise data...

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...

UX Designer Length : 3 Months Location :Hybrid London Blackfriars OR Abingdon - 3 days a week IR35 Status : Outside Design experiences that put users first. We're looking for a talented UX Designer to help shape intuitive, user-centred digital products used by a global audience. You'll work closely with Product Managers, Engineers, Designers, and Data teams to uncover user needs, solve complex problems, and create seamless digital experiences. What you'll do: Lead UX activities from discovery through to delivery. Conduct user research and usability testing. Create user journeys, wireframes, prototypes, and interaction designs. Turn customer insights and data into meaningful design decisions. Collaborate with cross-functional teams to define and deliver great user experiences. Champion user-centred design across the product lifecycle. What we're looking for: Proven experience designing digital products and services. Strong UX research and usability...

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....

Data Engineer Location: London (1 day per month onsite) Duration: Initial 6-Month Contract Pay Rate: £550-£590 Outside IR35 The Opportunity We're supporting a growing loyalty and rewards organisation that is expanding its data engineering capability as part of a wider investment in its data platform. They are seeking experienced Data Engineers to build and enhance cloud-based data solutions, working alongside senior technical leadership within a modern data environment. Key Responsibilities Develop and maintain data pipelines and data products. Build and optimise data models within the data platform. Support the delivery of scalable and reliable data solutions. Contribute to code reviews and engineering best practices. Collaborate with technical stakeholders to deliver business requirements. Support ongoing platform development and improvement initiatives. Technical Environment AWS Snowflake dbt Required Skills & Experience Strong Data...

Data Engineer Location: London (1 day per month onsite) Duration: Initial 6-Month Contract Pay Rate: £550- £590 Outside IR35 The Opportunity We 're supporting a growing loyalty and rewards organisation that is expanding its data engineering capability as part of a wider investment in its data platform. They are seeking experienced Data Engineers to build and enhance cloud-based data solutions, working alongside senior technical leadership within a modern data environment. Key Responsibilities Develop and maintain data pipelines and data products. Build and optimise data models within the data platform. Support the delivery of scalable and reliable data solutions. Contribute to code reviews and engineering best practices. Collaborate with technical stakeholders to deliver business requirements. Support ongoing platform development and improvement initiatives. Technical...

We are hiring for - Senior Data Engineer (Snowflake ) Work location - 25 Walbrook London Duration- Contract (outside Ir35 ) • Responsibilities: o Build and maintain data pipelines o Design and optimize Snowflake data models o Implement data quality frameworks o Integrate Salesforce, transactional, and external data • Key Skills: o Azure Data Lake & ADLS Gen2 o Snowflake (data modeling, ELT) o SQL, Python o dbt, Airflow (or similar) o Salesforce data integration o Azure Data Factory o Databricks & PySpark o SQL & Self Joins o Snowflake & Snowpipe o DBT, (ref(),YAML profiles) o Apache Airflow o ETL/Data Warehousing Architecture

Senior .NET Developer - Hybrid - Up to £700/day Outside IR35 | C# | Azure | Event Driven Systems | Kafka | CosmosDB We have a unique opportunity for a Lead .NET Developer to join a payments company. As the Senior .NET/Full Stack Developer , you’ll play a key role in shaping and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on technical role where you’ll help drive engineering best practices, contribute to architectural decisions, and mentor developers while...

Location: London (Central)  Contract Length: 6 Months (minimum) Rate: £65 p/h (Outside IR35) Start Date: ASAP An exciting opportunity has arisen for an experienced Control Systems Engineer to join a leading systems integration team delivering automation solutions in the energy sector. You'll be responsible for developing and commissioning Siemens based control systems, supporting projects from software development through to site commissioning. This is an ideal opportunity for an engineer who enjoys technically challenging projects and is comfortable working both remotely and on customer sites. Key Responsibilities Design and develop PLC software using Siemens TIA Portal Configure Siemens HMI/SCADA systems where required Produce and modify functional design specifications Carry out software testing, FAT and SAT activities Diagnose and resolve technical issues during commissioning Ensure projects are delivered safely, on time and to specification Expereince...

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...