11 senior data engineer jobs found in London

About the Role We are looking for a Senior Data Engineer with strong Informatica expertise to join our team. You will be responsible for designing, building, and supporting scalable data integration solutions, working closely with data architects, analysts, and business stakeholders to deliver reliable, performant data pipelines. This role sits within a finance reporting modernisation programme, supporting complex, regulated financial datasets used for monthly reporting. The work involves large, interdependent datasets and complex financial calculations, where accuracy, traceability, and clear documentation are critical. Experience working with finance or insurance data in regulated environments will be highly beneficial. We are looking for a Senior Data Engineer who has hands-on experience working in SME-scale teams where adaptability, autonomy and end-to-end ownership is essential - taking on multiple roles outside of the typical engineer workload and contributing...

Description We are seeking a passionate Software Engineering Manager with a strong background in modern frontend engineering, particularly React, Next.js, and TypeScript, to provide technical leadership and operate with excellence. Creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams -designing, building, releasing, and maintaining high-quality digital products. You will play a key role in shaping and growing a best-in-class frontend engineering capability, establishing modern development practices and building scalable, high-performance web applications. This is an initial 6-month contract (outside IR35) requiring 3 days per week onsite in Paddington, London. Key Accountabilities Team Leadership Build, mentor, and lead a high-performing team of frontend engineers specialising in React, Next.js, and TypeScript. Foster a culture of collaboration, technical excellence, and...

We are recruiting for a Full Stack Java/Python Engineer for a 6 month contract, starting ASAP. 2 days a week in London. What you'll bring to the table: Solid commercial development experience with strong proficiency in Java and Spring Boot, alongside hands-on experience building end-to-end full stack applications (frontend, backend, and APIs). Python (agent services, orchestration, LLM integrations) Experience working with modern frontend frameworks (e.g. React or Typescript) Cloud & containers (AWS/GCP/Azure, Docker, Kubernetes basics) Kubernetes experience is preferred Data & retrieval (Postgres/NoSQL + vector DBs, embeddings, semantic search) Commercial experience working with agile methodologies. Experience dealing with challenges from stakeholders on technical issues and influencing technical decisions in the team. Understanding and ownership of best practice as a Senior Engineer (eg. TDD, SOLID, XP)   Equal...

We are recruiting for a Full Stack Java Engineer for a 6 month contract, starting ASAP. 2 days a week in London. What you'll bring to the table: Solid commercial development experience with strong proficiency in Java and Spring Boot, alongside hands-on experience building end-to-end full stack applications (frontend, backend, and APIs). Python (agent services, orchestration, LLM integrations) Experience working with modern frontend frameworks (e.g. React, Angular, or Vue) Cloud & containers (AWS/GCP/Azure, Docker, Kubernetes basics) Kubernetes experience is preferred Data & retrieval (Postgres/NoSQL + vector DBs, embeddings, semantic search) Commercial experience working with agile methodologies. Experience dealing with challenges from stakeholders on technical issues and influencing technical decisions in the team. Understanding and ownership of best practice as a Senior Engineer (eg. TDD, SOLID, XP)   Equal Opportunities...

We are looking for a technically skilled and proactive Power BI Data Analyst to support the management and development of our national station accessibility data. You will sit at the engine room of our data analysis - maintaining our Power BI suite, ensuring data quality, and helping translate raw information into tools that help the rail industry make stations more accessible.   As a  Power BI Data Analyst, your main responsibilities will be: Technical Power BI Support & Maintenance: Maintain and update the primary Power BI files, including managing complex DAX, troubleshooting issues and ensuring stable connections to the Azure Data Lake. Data Modelling & Sources: Under guidance, update data models as new information becomes available (e.g footfall, census, or GIS data), identifying new data sources that could complement our existing suite and integrating them into current analysis. UI & Usability: Keep the Power BI interface clean,...

Here at Mindera we are continuously developing a fantastic team and would love it for you to join us! As an Android Developer you will be creating fast, fluid, responsive and reliable mobile applications that provide our customers with a rewarding experience. You’ll have an opportunity to participate in the whole development cycle, using modern technologies, architectures and processes. When you join Mindera we welcome you into a fun and politics-free work culture, built on the principles of lean and self-organisation .   Please note: This position requires you to work on client-site in Paddington, London, three times a week. This is an initial six month contract position that sits outside IR35. Requirements You rock at Kotlin Java Jetpack Compose Coroutines (or RxJava); Software Architecture (MVVM or similar); Unit testing and UI tests; XML Being self-driven and working with little supervision towards a common team or...

Location: London/Hybrid (Strong preference for 1 day a week in the office) Department : Engineering/Data Employment Type: Contract (B2B) Contract Length: 6 months (with potential for extension) About YLD: Everything we do is to empower our clients to move forward. Our purpose is to help our clients develop the capabilities they need to outperform their competitors. Our success is a consequence of ensuring our clients are successful. Our company is built on extraordinary people; we aim to attract, inspire, develop and retain them. YLD is a software engineering and design consultancy; we create digital capabilities for our clients that last beyond our engagement. We have offices in London, Lisbon, Porto. About the role: As a Data Scientist, you will take responsibility for data, insights, and models that help our clients grow quickly. You'll have Machine Learning Engineering experience and use this to build data capabilities that...

Senior Product Designer - Contractor - 12 months (Maternity Cover) Day rate: £450 3 days a week The Role Modern Milkman is a return and reuse grocery delivery service on a mission to reduce waste. We deliver fresh milk, groceries, and household products to customers' doors in returnable glass bottles, reusable containers, and recyclable packaging — working directly with independent farmers and suppliers to keep things local and sustainable. As we continue to scale, we're looking for a customer-centric Product Designer to elevate our product experience and embed strong design and research practices across the business. You'll be a creative thinker with a genuine passion for research and the drive to see work through from concept to measurable outcome. A key focus will be supporting our CRO efforts, so experience in this area is a big plus. What You Will Do... Take the lead on all things product design: You’ll take charge of the...

Here at Mindera we are continuously developing a fantastic team and would love it for you to join us! As an Android Developer you will be creating fast, fluid, responsive and reliable mobile applications that provide our customers with a rewarding experience. You’ll have an opportunity to participate in the whole development cycle, using modern technologies, architectures and processes. When you join Mindera we welcome you into a fun and politics-free work culture, built on the principles of lean and self-organisation .   Please note: This position requires you to work on client-site in Paddington, London, three times a week. This is an initial six month contract position that sits outside IR35. Requirements You rock at Kotlin Java Jetpack Compose Coroutines (or RxJava); Software Architecture (MVVM or similar); Unit testing and UI tests; XML Being self-driven and working with little supervision towards a common team or...

Department: Project Services & Change Team: Project Services & Change Location: London with hybrid working Position type: 6-month contract (umbrella – inside IR35); ASAP start date (preferably April 2026) What the hiring manager says “This is a very exciting opportunity to join our agile, fast-paced, and versatile team of project and programme professional, driving our Marketing Ambition programme. You’ll lead the delivery of multiple transformation initiatives, connect people and teams across the organisation, and enable effective collaboration with external partners. You will play a pivotal role in orchestrating execution across a number of cross-organisational strategic activities, creating meaningful and tangible impact to the GSMA, its members and the wider mobile ecosystem.” Anna Campbell, Head of Project Services & Change About the team   The Project Services & Change Team in the GSMA provides project...

Senior Product Designer - Contractor - 12 months (Maternity Cover) Day rate: £450 3 days a week The Role Modern Milkman is a return and reuse grocery delivery service on a mission to reduce waste. We deliver fresh milk, groceries, and household products to customers' doors in returnable glass bottles, reusable containers, and recyclable packaging — working directly with independent farmers and suppliers to keep things local and sustainable. As we continue to scale, we're looking for a customer-centric Product Designer to elevate our product experience and embed strong design and research practices across the business. You'll be a creative thinker with a genuine passion for research and the drive to see work through from concept to measurable outcome. A key focus will be supporting our CRO efforts, so experience in this area is a big plus. What You Will Do... Take the lead on all things product design: You’ll take charge of the...