54 senior data engineer jobs found in London

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial...

Job Reference hbuk/TP/158/2489 Contract Type Day Rate Contractor Closing Date 20 May, 2026 Job Category Tech, Data and Digital Business Unit Systems and Infrastructure (UKT) Location London, United Kingdom Posted on 20 April, 2026   We are looking for a Data Engineer to design, build and maintain a scalable on-premise data warehouse using modern data engineering practices. You will work with Python, Apache Airflow and DBT in a Unix/Linux environment to develop robust data pipelines, transform data into curated models and support analytics and reporting. This role requires someone comfortable working in a non-cloud (on-prem) environment, with a strong ownership of infrastructure-aware data solutions. Main Responsibilities  Design and build end-to-end ETL/ELT pipelines using Python and SQL. Develop and Orchestrate workflows using Apache Airflow. Implement transformation logic and data models using dbt...

Job Title: Senior Cloud Engineer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for experienced Senior Cloud Engineers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires a solid engineering experience as...

Senior AI Engineer - Inside IR35 - Contract   We're looking for a Senior AI Engineer to join an insurance client project to work on a 4-week-long discovery, which will lead to 5+ months of additional work.   The selected consultant will have the ability to use AI tools like Clude Code fot development, have experience migrating legacy code to new cloud technology stack, and it'd be great if you had experience working with Oracle forms and migrating it to Azure cloud.   Tech Experience: Azure, .Net, React, SQL   £610 per day inside IR35 2-3 days per week in London office   Start date: 05/05/2026 End date: 06/06/2026 (Likely extension to November 2026)   About Softwire   Softwire is a leading UK technology and strategy consultancy. From enterprise to government, we help visionary organisations turn strategic ambitions into results at scale. Our practices cover AI transformation, data...

Senior Full Stack Engineer ( Finance Experience Required )   London | Contract | Outside IR35 | Conquer AI   We’re hiring a Senior Full Stack Engineer at Conquer AI.   This is a hands-on engineering role for someone who can work across the stack, but with real strength in backend systems, data, and platform architecture. You’ll be joining us to help deliver a high-impact project in a complex, commercially critical environment.   This is not a pure frontend role. This is not a role for someone who wants to stay at the architecture-diagram level. We’re looking for someone who can take messy business processes, turn them into clear technical systems, and ship production-grade software.   What you’ll do Build and evolve workflow platforms that support intake, approvals, pipeline management, and execution handoffs Design and deliver APIs, services, and integrations across internal...

Senior AI Engineer - Inside IR35 - Contract   We're looking for a Senior AI Engineer to join an insurance client project to work on a 4-week-long discovery, which will lead to 5+ months of additional work.   The selected consultant will have the ability to use AI tools like Clude Code fot development, have experience migrating legacy code to new cloud technology stack, and it'd be great if you had experience working with Oracle forms and migrating it to Azure cloud.   Tech Experience: Azure, .Net, React, SQL   £610 per day inside IR35   Start date: 05/05/2026 End date: 06/06/2026 (Likely extension to November 2026)   About Softwire   Softwire is a leading UK technology and strategy consultancy. From enterprise to government, we help visionary organisations turn strategic ambitions into results at scale. Our practices cover AI transformation, data platforms, systems engineering advanced...

We currently have an urgent opening for a skilled DevOps Engineer to join us on a contract basis ASAP. This is a major Greenfield platform build for a UK bank. Joining a cross functional team of 14, in the Infrastructure / DevOps phase of building a brand new payments platform from scratch. Required skills: Terraform AWS (some Azure) Kubernetes Secure enterprise platform development experience Account and user policies CI/CD pipeline development 2 days in person working (Monday & Weds - Canary Wharf) START DATE MONDAY 30th MARCH   The role   We're looking for a Senior DevOps / Platform Engineer to join a specific project with a leading UK Bank. Red Badger delivers high quality digital products using a lean delivery process and multidisciplinary, cross-functional teams. The Senior DevOps / Platform Engineer has deep expertise in building and operating digital products,...

Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a principal-level engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...

We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity.   From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas take time to evolve. Together we’re building a world-class platform to amplify our teams’ most powerful ideas.   As part of our engineering team, you’ll shape the platforms and tools that drive high-impact research - designing systems that scale, accelerate discovery and support innovation across the firm.   Take the next step in your career.   The role   The Storage Engineering team manages hundreds of petabytes across VAST, PowerScale, ECS, Rubrik, Alletra, Pure and a custom Tier Zero platform. The current operational tooling is a patchwork of GitOps workflows and Jenkins pipelines. We're replacing it with a custom-built...

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial...

  Job Title: Senior Cloud Engineer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for experienced Senior Cloud Engineers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires a...

Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for experienced Senior Cloud Engineers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires a solid engineering experience as per the tech listed below, preferably with Financial Services experience.   Your professional experience   + 10 years Cloud Engineering experience with AWS and GCP Snowflake Cloud Dev Ops Java Python CI/ CD Pipeline Dev Kubernetes...

We currently have an urgent opening for a skilled DevOps Engineer to join us on a contract basis ASAP. This is a major Greenfield platform build for a UK bank. Joining a cross functional team of 14, in the Infrastructure / DevOps phase of building a brand new payments platform from scratch. Required skills: Terraform AWS (some Azure) Kubernetes Secure enterprise platform development experience Account and user policies CI/CD pipeline development 2 days in person working (Monday & Weds - Canary Wharf) START DATE MONDAY 30th MARCH   The role   We're looking for a Senior DevOps / Platform Engineer to join a specific project with a leading UK Bank. Red Badger delivers high quality digital products using a lean delivery process and multidisciplinary, cross-functional teams. The Senior DevOps / Platform Engineer has deep expertise in building and operating digital products,...

Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a principal-level engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...

Fullstack Software Engineer (Freelance) Time commitment: Freelance project lasting around 3 to 5 months         Location: Hybrid or Remote Reporting to: VP of Technology, Avishai Gurt About Paloma Paloma’s mission is to make children’s autism and ADHD assessments and care available on the NHS within 4 weeks of GP referral. We are making this possible by setting a new standard for high-quality autism and ADHD care, building great software & AI tools, and investing in clinicians' learning & development.   Mark and Darshak founded Paloma due to their frustration that families are waiting 4-10 years for NHS children’s autism and ADHD assessments. This crisis in NHS children’s neurodevelopmental services has been highlighted by the Children’s Commissioner for England here:...

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...

About School Prom Car Hire School Prom Car Hire is a premium luxury transport and travel platform operating across the UK and internationally. We specialise in limousine hire, yacht charters, private aviation, chauffeur services, airport transfers, and high-end event transport. Our growth strategy is built on technical excellence, search dominance, automation, and scalable digital infrastructure. We are hiring a Senior Full-Stack Web Developer who understands how engineering decisions directly impact SEO performance, scalability, and long-term growth. The Role This position requires a true full-stack engineer — not just a WordPress developer. You will take ownership of our entire digital ecosystem, ensuring it is technically sound, search-optimised, secure, automated, and built for algorithm resilience. What You’ll Be Responsible For Full-Stack Development Front-end and back-end development Building scalable web applications...

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...

Job Title: Full Stack Developer (Java, Spring, React) - contract Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires an...

Note: SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks.   Please note, due to the exceptional requirements of this position, (and speed at which we require a postholder in situ), preference may be given to candidates who meet all of the essential criteria and hold active security clearance   Overview   Currently, delivery teams seeking to build or procure digital products within the Cabinet Office must navigate a highly complex and fragmented assurance landscape. Critical compliance rules and policies are often hidden or difficult to locate, and the manual nature of the process frequently traps teams in frustrating administrative bottlenecks and dependency loops.   To address this, we are developing a "Digital Assurance Navigator" platform that translates these complex policies into an automated, machine-readable rules engine. Because we are...