32 senior data engineer jobs found in London

Join a growing data function focused on modernising cloud infrastructure and delivering scalable data solutions across the business. Salary:  £525 - 550 per day Senior Data Engineer (Contract) Outside IR35 | £525-550/day | London (Hybrid) | Initial 3 Months We're working with a client who is looking to bring in an experienced Senior Data Engineer to support the evolution of their cloud data platform. You'll be joining a growing data function focused on improving engineering standards, modernising data infrastructure, and delivering scalable data solutions across the business. This is a hands-on role suited to someone who enjoys building robust data platforms, implementing best practices, and driving technical improvements within a cloud environment. This is an initial 3-month contract with an immediate start and strong potential for extension. Key Responsibilities: Design, build and optimise data pipelines using modern Data...

Join a growing data function focused on modernising cloud infrastructure and delivering scalable data solutions across the business. Salary: £525 - 550 per day Senior Data Engineer (Contract) Outside IR35 | £525-550/day | London (Hybrid) | Initial 3 Months We're working with a client who is looking to bring in an experienced Senior Data Engineer to support the evolution of their cloud data platform. You'll be joining a growing data function focused on improving engineering standards, modernising data infrastructure, and delivering scalable data solutions across the business. This is a hands-on role suited to someone who enjoys building robust data platforms, implementing best practices, and driving technical improvements within a cloud environment. This is an initial 3-month contract with an immediate start and strong potential for extension. Key Responsibilities: Design, build and optimise data pipelines using modern Data Engineering best...

Senior Data Engineer (Contract) Outside IR35 | £525-550/day | London (Hybrid) | Initial 3 months We're working with a client who is looking to bring in an experienced Senior Data Engineer to support the evolution of their cloud data platform. You'll be joining a growing data function focused on improving engineering standards, modernising data infrastructure, and delivering scalable data solutions across the business. This is a hands-on role suited to someone who enjoys building robust data platforms, implementing best practices, and driving technical improvements within a cloud environment. This is an initial 3-month contract with an immediate start and strong potential for extension. Key Responsibilities Design, build and optimise data pipelines using modern Data Engineering best practices. Develop scalable, reusable and well-documented data solutions. Support the evolution of cloud-based data infrastructure and tooling. Implement engineering standards across data...

Senior Data Engineer: Contract | Up to £550/day outside IR35 | Hybrid, London | 6 months initial A major consumer goods business is seeking a contract Senior Data Engineer. The programme is consolidating a fragmented estate and standardising how things are done across the group. It's early days, the team is lean and the structure is still being shaped. As a Senior Data Engineer, you'd be building the pipelines and data infrastructure that underpin the wider transformation, taking data from disparate Legacy systems across the group and getting it into a shared, reliable platform. There's a genuine green-field element here: patterns and standards are still being established, and you'll have real influence over how the platform evolves. As a contract Senior Data Engineer you'll be competent in: Designing and building scalable ETL/ELT pipelines across cloud platforms (AWS/Azure/GCP) Working with modern data stack tooling (eg dbt, Airflow, Databricks, Snowflake)...

Senior Consultant Data Engineer (Snowflake or Databricks) London | Flexible, hybrid working model | Outside IR35 | 12 month engagement We're looking for a Senior Consultant Data Engineer to join a fast-growing consultancy delivering complex data transformation programmes for enterprise clients. This role is ideal for an experienced data engineering professional who combines strong technical expertise with client-facing consulting skills. You'll work with organisations looking to modernise their data platforms, helping them move beyond Legacy solutions and implement scalable, cloud-native architectures. Success in this role requires deep expertise in specialist technologies such as Snowflake, Databricks, and dbt, alongside the ability to advise stakeholders, shape technical solutions, and lead delivery engagements. You'll join a consultancy that prides itself on solving difficult data challenges, delivering measurable outcomes, and building long-term client...

Senior Data Engineer London | Fleixble, hybrid working pattern | Outside IR35 | 12 month engagement We're looking for a Senior Data Engineer who understands that great data engineering is about building reliable, scalable data products, not simply moving data from A to B. This is an opportunity to shape modern data platforms, solve complex engineering challenges, and deliver data solutions that create genuine business value. You'll join an organisation investing heavily in its data capabilities, working alongside architects, analysts, data scientists, and engineering teams to build robust, production-grade data platforms that support analytics, AI, and operational decision-making. Why join Work on large-scale data and cloud transformation initiatives Influence architecture, engineering standards, and platform strategy Deliver solutions that have measurable business impact Join a collaborative team of experienced data professionals Responsibilities...

Senior Data Engineer London | Fleixble, hybrid working pattern | Outside IR35 | 12 month engagement We're looking for a Senior Data Engineer who understands that great data engineering is about building reliable, scalable data products, not simply moving data from A to B. This is an opportunity to shape modern data platforms, solve complex engineering challenges, and deliver data solutions that create genuine business value. You'll join an organisation investing heavily in its data capabilities, working alongside architects, analysts, data scientists, and engineering teams to build robust, production-grade data platforms that support analytics, AI, and operational decision-making. Why join Work on large-scale data and cloud transformation initiatives Influence architecture, engineering standards, and platform strategy Deliver solutions that have measurable business impact Join a collaborative team of experienced data professionals...

Senior Data Engineer Outside IR35 Contract 6 Months 1 Day pw in London £550 - 700pd Harvey Nash are working with a global mining company, who are looking to bolster their team with an experienced Senior Data Engineer on a contract basis. The role requires 1 day pw in London - Goodge St station 1 min walk away. Essential experience: SQL - Query optimisation, indexing strategy, performance diagnosis Azure - Data Factory, Databricks, DevOps Spark, Synapse, PowerBI Stakeholder Management Individual contributor, standard setter, strong communicator Contract Details: 6 Months - extensions possible Outside IR35 £550 - 700pd Hybrid - 1 day pw in London (near Goodge St Station) ASAP Start If you're interested in this position, please apply now.

Senior Data Engineer | Outside IR35 Contract 6 months | 1 Day pw in London | £550 - 700pd Harvey Nash are working with a global mining company, who are looking to bolster their team with an experienced Senior Data Engineer on a contract basis. The role requires 1 day pw in London - Goodge St station 1 min walk away. Essential experience: SQL - Query optimisation, indexing strategy, performance diagnosis Azure - Data Factory, Databricks, DevOps Spark, Synapse, PowerBI Stakeholder Management Individual contributor, standard setter, strong communicator Contract Details: 6 months - extensions possible Outside IR35 £550 - 700pd Hybrid - 1 day pw in London (near Goodge St Station) ASAP Start If you're interested in this position, please apply now.

2x Data Engineering Positions - Lead/Senior/Mid Outside IR35: £450 - £525 per day ASAP Start: 6 months initial contract Primarily remote: at maximum once a month travel to London We're supporting a key client in a major CRM migration programme that's looking to share the future of their growing data function. As part of this, we're looking to engage 2x Data Engineers, 1 Lead/Senior and 1 Senior/Mid level. You'll be joining at a genuinely exciting stage: the business is investing heavily in new technology and modernizing its data platform from the ground up. Rather than inheriting years of technical debt, you'll have the opportunity to influence architecture, standards, and ways of working from the beginning. Tech Stack: * Snowflake * dbt * Python * AWS * PowerBI Responsibilities: * Designing, developing, and evolving scalable Data Warehouse and ELT solutions * Driving modern DataOps practices including CI/CD, GitOps, testing, and automation * Implementing robust,...

Senior/Principal Data Engineer - Databricks - Outside IR35 £550-£700 per day | Outside IR35 | Fully Remote UK | ASAP Start We're supporting a fast-growing Data & AI Consultancy that is expanding its Databricks engineering capability across several client projects. We're looking for experienced Senior and Principal Data Engineers with strong hands-on Databricks expertise. Multiple contract positions are available, ranging from senior hands-on delivery through to principal-level technical leadership and architecture. The Role Depending on your level, you'll take ownership of designing, building and/or leading modern Databricks data platforms, working across large-scale data engineering, platform architecture, governance and deployment. You'll work with engineering, architecture and business teams to deliver scalable production-grade solutions while helping establish strong engineering standards across the wider team. Key Responsibilities Design...

Senior Data Migration Engineer - SAP London Based - Onsite 1 day per week, mostly remote after the first month 6 month contract Outside of IR35 £410.00 We are seeking experienced Data Migration Analysts to support a large-scale global transformation programme that is replacing core ERP and Middle Office platforms across a substantial multi-site UK operation. Data migration is critical to the success of the programme, and you'll play a key role in preparing high-quality data for pilot go-live and subsequent deployment phases. This is an exciting opportunity to join a high-profile transformation initiative and take ownership of hands-on data migration activities, enabling operational teams to focus on subject matter expertise and business validation. What You'll Be Doing As a Data Migration Analyst, you'll be responsible for executing the end-to-end data preparation process across multiple data domains, ensuring data is mapped, cleansed and ready for migration....

Data Engineer: Contract | Up to £400/day outside IR35 | Hybrid, London | 6 months initial A major consumer goods business is seeking a contract Data Engineer. The programme is consolidating a fragmented estate and standardising how things are done across the group. It's early days, the team is lean and the structure is still being shaped. As a Data Engineer, you'd be building and maintaining the pipelines that take data from disparate Legacy systems across the group and get it into a shared, reliable platform, working closely with senior engineers on the wider platform direction. There's a genuine green field element here, with real support from more senior members of the team as patterns and standards continue to be established. As a contract Data Engineer you'll be competent in: Building and maintaining ETL/ELT pipelines across cloud platforms (AWS/Azure/GCP) Working with modern data stack tooling such as dbt, Airflow, Databricks or Snowflake Supporting the...

AI Engineer - LLM & Agentic Systems London - Hybrid. Circa £500 - £675 per day (and negotiable DOE) Contract (Outside IR35) Mid-level, Senior & Lead. Agentic AI / Machine Learning. Company: Our client is a globally established data and information services business, operating across multiple high-value industry sectors. They have established data science and machine learning engineering teams already delivering in production, and are now expanding their AI capability significantly across the global organisation. This is a role for people who ship. If you 've built LLM-powered systems and agentic workflows that are live in production - not demos, not prototypes - and you want to do that at genuine scale, this is worth applying for. What you 'll be working on as an AI Engineer - LLM & Agentic Systems: Designing and building AI agents and agentic workflows - combining LLMs, RAG,...

DevSecOps Engineer - Platform Engineer - Security - CAF 4 - CAF - AWS - 3 month contract - Paying up to £500 per day(Outside IR35) - Immediate starters Overview Supporting a well-known UK digital consumer brand on a critical engagement to evidence compliance with the CAF 4 framework. The role combines hands-on cloud security remediation with compliance documentation and stakeholder reporting, primarily across AWS with some GCP involvement. Key Responsibilities Assess current security controls and identify remediation needed to meet CAF 4 compliance objectives Implement changes across AWS infrastructure (and GCP where needed) - covering IAM, MFA, network segmentation, TLS/encryption, centralised logging, and backup/recovery Produce clear, audit-ready documentation and evidence to support compliance outcomes Work with internal teams and third-party suppliers to validate shared security responsibilities Provide weekly progress updates to senior stakeholders,...

Senior DevOps & Platform Automation Engineer - Outside IR35 Contract - Hybrid - London Driving Agentic AI, Ephemeral Infrastructure & Next-Generation Delivery We're seeking an experienced DevOps and Platform Automation professional to play a key role in shaping the future of engineering delivery within a rapidly evolving technology function. Working closely with the DevOps & Automation leadership team, you'll help accelerate a strategic transformation focused on intelligent automation, cloud-native engineering, self-service platforms and ephemeral environments. This role is ideal for someone who thrives on innovation, enjoys solving complex challenges at scale, and wants to influence how modern software delivery is implemented across an enterprise organisation. You'll be instrumental in advancing capabilities across platform engineering, deployment automation, observability, AI-driven operations and Infrastructure as Code, helping move the organisation toward...

Back End Developer (Node.js) Senior Software Engineer Pricing & Inventory (Node/TypeScript) Contract: 6 months initially Rate: Up to £420 per day, Outside IR35 Location: Can be worked fully remote We re supporting a high-traffic global E-commerce platform in its search for a Senior Software Engineer to improve its pricing, inventory and availability systems. This is a hands-on role focused on building reliable, scalable services that process millions of customer searches across multiple international markets. What you'll be working on Building and improving pricing, inventory and availability services Developing quote-caching and data freshness strategies Designing resilient APIs and third-party integrations Reducing latency and improving platform performance Balancing pricing accuracy with cache efficiency and infrastructure cost Improving monitoring, tracing and production observability Owning solutions from investigation through to...

Senior Cloud Engineer - GCP/Kubernetes We are looking for a Senior Cloud Engineer to take ownership of the cloud infrastructure supporting a major new data platform. This is a hands-on contract role focused on GCP, Kubernetes, infrastructure as code, CI/CD and observability within secure, highly regulated environments. The Role You will desiHqagn, build and operate a distributed cloud platform spanning edge and central Kubernetes clusters. The environment uses a predominantly open-source technology stack, placing particular emphasis on networking, inter-cluster connectivity, platform security and deployment into restricted environments. You will work within an autonomous engineering team, establishing the infrastructure foundations that enable reliable and secure software delivery. Key responsibilities will include: Designing and operating secure, resilient infrastructure within Google Cloud. Building and managing production Kubernetes clusters using GKE. Supporting a...

Senior Python Quant Developer London- Hybrid £1000 per day outside IR35 Quant Capital is urgently looking for a Senior Python Quant Developer to join a rapidly growing fintech. Our client has built a global investment platform that helps investors analyse opportunities, collaborate and make more informed decisions. They have developed a complex fixed-income model in C# and now need a strong Python engineer to work directly with the quants, understand the existing model and rebuild it into a clean, modular and production-ready Python codebase. This is a hands-on role in a small team, with a high level of ownership and impact. Responsibilities Re-engineer a complex C# quant model in Python. Refactor and modularise the existing codebase. Work directly with quants to productionise the model. Productionise the codebase by improving performance, testing and maintainability. Build data validation and orchestration processes. Work with Pydantic and...

A public sector organisation is seeking a Senior AWS Platform Engineer to join via a Consultancy to join a strategic programme delivering and evolving a cloud-based occupancy data platform hosted within AWS. The platform ingests and processes data from a range of sources including WiFi networks, IoT sensors and wider property technology systems, generating occupancy insights that support data-driven decision making across a large-scale estate. As the Senior AWS Platform Engineer you will play a key role in the design, build and support of the cloud infrastructure, integrations and automation capabilities that underpin the platform. This is an excellent opportunity for an experienced AWS specialist who enjoys solving complex technical challenges, building cloud-native services and working across platform engineering, DevOps and systems integration. This is an initial contract until May 2027 with potential to be extended, it is one day per week in the office in Central...