218 information technology jobs found in London

We are looking for Senior Java Developers to join on a contract basis (Inside IR35) . The ideal candidate will have experience building scalable microservices, working with event-driven systems, and deploying applications using containerized and cloud technologies. You will contribute to developing reliable backend services and help modernize legacy systems into cloud-ready architectures. Key Skills & Responsibilities Strong experience with Java (latest versions) and Spring Boot Experience designing and developing Microservices architectures Solid understanding of backend design patterns and best practices Experience working with SQL databases, particularly PostgreSQL Knowledge of Object-Oriented programming principles (OCP) Experience with event streaming platforms such as Kafka or RabbitMQ Hands-on experience with Docker and Kubernetes Experience working with AWS or other cloud platforms Ability to build scalable, reliable, and...

We are looking for Senior Java Developers to join on a contract basis (Inside IR35) . The ideal candidate will have experience building scalable microservices, working with event-driven systems, and deploying applications using containerized and cloud technologies. You will contribute to developing reliable backend services and help modernize legacy systems into cloud-ready architectures. Key Skills & Responsibilities Strong experience with Java (latest versions) and Spring Boot Experience designing and developing Microservices architectures Solid understanding of backend design patterns and best practices Experience working with SQL databases, particularly PostgreSQL Knowledge of Object-Oriented programming principles (OCP) Experience with event streaming platforms such as Kafka or RabbitMQ Hands-on experience with Docker and Kubernetes Experience working with AWS or other cloud platforms Ability to build scalable, reliable, and...

We are looking for Senior Java Developers to join on a contract basis (Inside IR35) . The ideal candidate will have experience building scalable microservices, working with event-driven systems, and deploying applications using containerized and cloud technologies. You will contribute to developing reliable backend services and help modernize legacy systems into cloud-ready architectures. Key Skills & Responsibilities Strong experience with Java (latest versions) and Spring Boot Experience designing and developing Microservices architectures Solid understanding of backend design patterns and best practices Experience working with SQL databases, particularly PostgreSQL Knowledge of Object-Oriented programming principles (OCP) Experience with event streaming platforms such as Kafka or RabbitMQ Hands-on experience with Docker and Kubernetes Experience working with AWS or other cloud platforms Ability to build scalable, reliable, and...

We are looking for Senior Java Developers to join on a contract basis (Inside IR35) . The ideal candidate will have experience building scalable microservices, working with event-driven systems, and deploying applications using containerized and cloud technologies. You will contribute to developing reliable backend services and help modernize legacy systems into cloud-ready architectures. Key Skills & Responsibilities Strong experience with Java (latest versions) and Spring Boot Experience designing and developing Microservices architectures Solid understanding of backend design patterns and best practices Experience working with SQL databases, particularly PostgreSQL Knowledge of Object-Oriented programming principles (OCP) Experience with event streaming platforms such as Kafka or RabbitMQ Hands-on experience with Docker and Kubernetes Experience working with AWS or other cloud platforms Ability to build scalable, reliable, and...

We are seeking an experienced QAE Engineer / Senior Test Manager to join the Move Programme team, playing a key role in shaping and delivering the testing strategy across our Automated Warehouse programme. This role will focus on defining and implementing a robust end-to-end testing strategy across a complex ecosystem with multiple interdependent systems and teams. The successful candidate will ensure quality across programme delivery while driving improvements in our testing maturity. A key part of the role will be leading the transition from manual testing toward a scalable automated testing approach across the wider Move portfolio. You will also manage and guide a small team of 3 -4 offshore QA engineers, ensuring alignment with programme priorities and quality standards.   Please note: this is an initial six month contract that sits outside IR35. The role requires you to work onsite in Paddington, London, 3 days a week.   Key Responsibilities...

We are seeking a senior engineering leader to support the evolution of core enterprise platforms across HR and Finance, with a focus on the technical architecture, stability and modernisation of both SAP and Oracle estates.   This role will focus on the technical foundations of these platforms including SAP Basis, ABAP, Solution Manager, Oracle HCM configuration and integration, working alongside Product teams who own business process design. The role will also contribute to ongoing transformation initiatives, including the SAP ECC to S4 programme. This is an initial 6 month contract that will likely extend. The role requires you to be onsite in London, Paddington 3 days a week.     Key Responsibilities Provide senior technical leadership across SAP and Oracle platforms supporting HR and Finance domains Lead engineering teams responsible for Oracle HCM configuration, extensions, integrations and reporting, setting standards for code...

We are looking for a Business Analyst to work as part of an agile development team for one of our projects in the real estate field. You will thrive in a fast-paced environment and will be a champion for exceptional digital experiences for our client 's customers and have a focus on quality, ensuring the delivery aligns with the needs of the business. You will be developing a conversational analytics platform, enabling query indexing and optimizing future searches, allowing users to: Ask natural language questions about system metrics; Get accurate, explainable answers based on predefined metrics and data sources; Provide transparency and audibility of the query-to-answer path; Allow data experts to refine and create views and logic behind answers.   Please note, you will be required on client-site 5 days a week near Marble Arch, London. This is an initial 3 month contract that sits inside IR35. A Business Analyst should possess a range of skills...

Opening: Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we working on a landmark transformation of a cross-government secure IT system. This is an exciting opportunity to help architect a private cloud environment from the ground up and modernize the end-user services that power national decision-making. We don't believe in "billing by the hour" or rigid hierarchies; we are a lean, expert team focused on delivering high-impact technical outcomes. If you are a self-starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of sovereign security, we want to talk to you. Principle Security Architect As a Senior Security Architect for ByDesign you will be working on high profile large scale...

Opening: Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we working on a landmark transformation of a cross-government secure IT system. This is an exciting opportunity to help architect a private cloud environment from the ground up and modernize the end-user services that power national decision-making. We don't believe in "billing by the hour" or rigid hierarchies; we are a lean, expert team focused on delivering high-impact technical outcomes. If you are a self-starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of sovereign security, we want to talk to you. Principle Security Architect As a Senior Security Architect for ByDesign you will be working on high profile large scale...

📣 Qim info – Who are we?   Founded in 2004, Qim info is an Swiss IT engineering and digital services company. We regularly collaborate with international clients and are looking for skilled contractors to support project-based engagements.   📄 Your responsibilities:   The objective of this role is to design, build, and govern an API integration layer connecting multiple internal and external systems within a complex energy trading environment.   💼 Required technical skills:   API & Integration Architecture: Strong expertise in API integration, REST API design and exposure, interface-driven architectures, integration-heavy environments, abstraction layers, system decoupling Backend Development: .NET Core, C#, API services, integration services Architeture & Platforms: Design of scalable and reusable integration layers, interoperability with multiple systems...

SAP FICO - Data Migration Consultant London, Hybrid Onsite/Remote Start Date: Immediately - ASAP. End date: 31/12/26 with view to extend to end 2027. Outside IR35 Contract.   Invenio are seeking to hire a senior SAP FICO/Data migration consultant to join a existing client engagement In London ASAP, as part of a integration of new business entity into existing SAP landscape.   Core Duties:   Execute Data migration strategy for all data objects (master and transaction data) for migration of all SAP Finance modules including approach for data cleansing and rationalisation. Lead end‑to‑end data migration for SAP Finance, (AP, AR, FA, and GL) covering GL balances, open items, assets, vendor/customer master data, and cost objects. execute data mapping rules aligned with global finance processes and IFRS/local GAAP requirements and business process integration Partner with finance SMEs to validate migrated data, ensuring 100%...

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...

🚀 Contract Data Engineer | Outside IR35 | London (Hybrid, 3+ Days On-Site)   We’re seeking an experienced Data Engineer to join a high-profile team delivering large-scale tax projects . This is a contract role (Outside IR35) based in London, requiring on-site presence at least 3 days per week .   What you’ll do: Design, build, and optimise data pipelines and ETL processes for complex, high-volume data sets. Collaborate closely with Data Modellers, Analysts, and Tax Specialists to ensure data integrity and usability . Support large-scale tax initiatives , enabling accurate reporting and analysis. Implement best practices for data governance, quality, and security .   We’re looking for someone with: Proven experience as a Data Engineer working with relational and non-relational databases. Hands-on experience with ETL frameworks, data warehousing, and cloud platforms (SQL, Scala,...

About Dune Dune is on a mission to make crypto data accessible. We’re a collaborative multi-chain analytics platform used by thousands of developers, analysts, & investors to understand the on-chain world and the frontiers of finance. We’re a team of ~60 employees, working together across Europe and eastern US timezones 🌍️. We believe in our mission, and in building a powerful, open product that allows individuals and communities to do deep research into important ecosystems like Bitcoin, Ethereum, Solana, and many more.   We’re backed by some of the world's best investors. In February 2022, we announced our Series B funding round led by Coatue and Union Square Ventures, an important milestone that allowed us to double down on our mission. We’re using the funds to educate, reward and empower a new generation of onchain analysts aka Wizards 🧙 ♀️   If you want to have one of the highest impact jobs on the planet, come join our...

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...

About BMLL: BMLL is the leading independent provider of harmonised Level 3, 2 and 1 historical data and analytics across global equities, ETFs, futures and US equity options. We provide market participants with immediate access to granular T+1 order book data and advanced analytics, enabling them to accelerate research, optimise trading strategies, and better understand market behaviour. BMLL was acquired in 2025 by Nordic Capital, alongside minority shareholder Optiver, marking a joint commitment to accelerate the company’s next phase of growth. We offer an inclusive and collaborative culture, a hybrid working environment that includes regular days in our London office, weekly team lunches, and a variety of out-of-hours social activities. For more information, visit our website or follow us on X (@bmlltech) and LinkedIn @BMLL.   About the Role: BMLL transforms financial exchanges’ raw market data into an accessible and normalised...

Key Responsibilities: · Opportunity Identification & Mobilization o Partner with business and operational leaders to identify transformation opportunities across hospitality, operations, and technology. o Assess viability, alignment to business goals, and strategic impact of new ideas. o Facilitate discovery workshops and early business case development. · Project Planning & Commercial Approval o Rapidly develop initial project charters, timelines, and high-level delivery roadmaps. o Lead cost-benefit analysis and support commercial approvals in alignment with transformation governance. o Ensure risk, impact, and stakeholder assessments are in place for early decisions. · Team Mobilization & Delivery Kick-off o Build and align cross-functional teams to kick off approved initiatives. o Establish delivery governance, cadence, reporting structures, and KPIs. o Lead early-stage execution (typically 6–12...

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...

We are seeking a hands-on and technically proficient PACS Technical Consultant. You will be a key member of the technical team, responsible for building the cloud environment, installing and configuring the PACS applic.ation, performing the data migration, and supporting the system through go-live and hypercare. The ideal candidate has a strong blend of cloud infrastructure skills and deep knowledge of PACS application deployment. This is a fully remote role however there will be occasional on-site visits required. Contract is initially 6 month and Inside IR35. Experience with SQL and database systems preferably Oracle. Knowledge of XML, .Net, HTML, IIS and SSL are desirable. Microsoft Server, preferably 2019 Virtualization technologies, such as Hyper-V and VMWare IT related medical standards: eg DICOM, Health Level Seven (HL7), and Integrating the Healthcare Enterprise (IHE). Demonstrated acumen for understanding...