79 jobs found in London

Data Test Engineer - (Banking, Kafka, MongoDB, API, Migration)   Rate: Competitive Inside IR35 Contract Start - Immediate Contract End - December 2026 Location: London (2/3 days Hybrid)   ** Must have experience within the Banking industry **   We are seeking a skilled Data Test Engineer to join our team responsible for validating the quality, reliability, and performance of Direct-to-Consumer (D2C) Reporting APIs delivered on the Operational Data Store (ODS) platform. This role is critical in ensuring robust and accurate data processing through comprehensive testing of Java-based APIs, event-driven streaming pipelines, and data persistence layers.   Key Responsibilities   Design, develop, and execute functional, integration, and non-functional tests for D2C Reporting APIs. Validate data accuracy and event flows within event-driven streaming pipelines using Kafka, Flink, and Kafka Streams....

WWT EMEA has an opportunity for a Windows Platform Developer to design, evaluate, and implement a modern development environment across Windows and Linux.   The successful candidate will focus on enabling developer productivity while ensuring strong security alignment, supporting large‑scale Windows 11 feature adoption, and shaping the long‑term strategy for a unified development platform.   This is a contract Role & Inside IR35   Windows Platform Developer   Contract Duration: 9 months Contract   Location: Remote, United Kingdom (Occasional travel to London as per business need)   Key Responsibilities: Evaluate and implement WSL2 to improve developer workflows. Balance security requirements with developer experience, partnering closely with security teams. Collaborate with architecture teams to define a cross-platform developer environment strategy.   Must‑Have Skills:...

WWT EMEA has an opportunity for a Senior Node.js Engineer to modernize and rebuild internal Node.js‑based package manager into a fully supported product.   The successful candidate will be developing a cross‑platform CLI tool for Windows and macOS, integrating with Artifactory, and supporting governance and distribution processes for portable developer tools.   This is a contract Role & Inside IR35   Senior Node.js Engineer   Contract Duration: 9 months Contract   Location: Remote, United Kingdom (Occasional travel to London as per business need)     Key Responsibilities: Modernize and rebuild internal Node.js-based package manager into a fully supported product. Develop a cross‑platform CLI tool (Windows + macOS) that supports package discovery and installation. Integrate the CLI with Artifactory for tool, SDK, runtime, and FOSS package distribution. Support governance for...

Job Introduction Main Responsibilities As the Salesforce Architect this role will work closely with the Salesforce Lead Architect to help set the strategic direction and be accountable and lead the design, development and day to day operations of the CRM platform(Salesforce and Other customer platforms) by partnering with senior stakeholders across the business identifying opportunities to deliver business and customer value through the extension of CRM services. Responsible for the end-to-end design of solutions on the Salesforce platform and other CRM technologies. Own the architecture of the end-to-end solution. Lead and mentor the development team in designing solutions for our strategic programmes. Completion of solution architecture documents and artefacts in line with organisation standards. Enforce best practices, development standards and ensure quality delivery of enterprise solutions. Help in driving the application of DevOps tools and...

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 currently in the Alpha phase, we are...

Due to growing client demands we are currently looking for an number of OT/PCN Cyber leads. These roles focus on identifying and mitigating cyber risks to critical infrastructure, ensuring safe, resilient, and compliant operations while supporting production, generation, and grid stability. This includes OT risk assessments, security architecture design, incident response planning, regulatory compliance support, and integration of cyber security into engineering and operational processes across both Legacy and modern energy environments. You must have experience of OT cyber delivery in Oil & Gas and Renewable Energy Process Control Networks and Systems, you must also be conversant with OT cyber standards and regulations and have demonstrable experience of adhering to these standards.

We have an exciting opportunity for experienced Java developers to join our team! You will have a passion for software development and an excellent understanding of how to define and deliver solutions iteratively and collaboratively. You will be involved in all areas of delivery, with the technical gravitas to mentor and inspire the development team; playing an integral part in helping them continuously improve by sharing your own knowledge, experience and insights. You will be confident in challenging business requirements to ensure you are continuously delivering the best possible outcome, harnessing innovation and driving the adoption of new technologies to deliver business value. Your vision and ambition will contribute to shaping our online technology roadmap, influencing our future technical direction and balancing passion with precision to deliver exceptional online service and solutions for our customers.   This is an initial six month contract that sits...

We are seeking an experienced Cutover Manager with a strong technology background and proven expertise in managing complex cutovers. This role requires deep hands-on cutover experience across large-scale enterprise systems such as ERP, CRM, or other major platforms. Candidates must be able to clearly articulate their cutover playbook-how they plan, manage, communicate, and execute cutover activities end to end. Key Requirements: Demonstrated experience leading large, complex system cutovers Strong understanding of technology-led transformations (ERP, CRM, core systems) A well-defined cutover playbook and approach to governance, risk, and execution Exceptional communication skills, with the ability to coordinate across technical and business teams Driven, dynamic, and hands-on - a sleeves-rolled-up attitude is essential This is a high-impact role suited to someone who thrives in fast-paced, critical delivery environments and takes ownership from planning through go-live....

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 (short-term nature of this role 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 SC clearance.    The Cabinet Office supports the Prime Minister and ensures the effective running of government. The Cabinet Office is also the corporate headquarters for the government, in partnership with HM Treasury, and takes the lead in certain critical policy areas. More information about the Cabinet Office can be found on its website at: www.gov.uk/government/organisations/cabinet-office   As a Senior Site Reliability Engineer, your main responsibilities will be:   Essential: ● Strong technical expertise in AWS cloud services (ECS, EC2, CloudWatch, ELB, CodeBuild,...

As a Principal Enterprise Architect your main responsibilities will be to: Lead the continuous evolution of UKHSA’s enterprise architecture vision, strategy, and roadmaps across business, data, applications, and technology. Translate strategic objectives into coherent capability maps, target states, and transition architectures that maximise value and minimise risk. Support architecture assurance through Architecture Review Boards, Design Authorities and Technical Councils, ensuring decisions reduce complexity, technical debt, and total cost of ownership. Act as a trusted advisor to senior leaders, service owners, programme directors, and delivery teams, influencing decisions with data driven evidence, options, and trade off analysis. Communicate complex architecture topics with clarity, logical structure, and actionable recommendations tailored to the audience ranging from business to technical stakeholders. Mentor and coach solution architects, domain...

We at Fusion Practices are seeking an experienced Senior Loan IQ Analyst to support a large-scale, multi-year finance transformation programme. The role focuses on ensuring accurate, complete, and timely data flow from the Loan IQ platform into finance systems and downstream reporting solutions. This position will be managed by the Finance Technology function, with day-to-day collaboration within the Loan IQ team to enable hands-on system access and close alignment with business and technical stakeholders. Key Responsibilities 1. Requirements & Data Analysis Engage with stakeholders across Operations, Finance, Data, and Technology to gather and document data and interface requirements Perform detailed source system analysis within Loan IQ, including data structures, usage, and lineage Define source-to-target mappings for downstream systems such as sub-ledger/GL, data warehouse, and reporting platforms Develop and optimize SQL queries for data...

Service Design & Transition (SD&T) Consultant (Outside IR35 Contract) Duration: 6 months   Purpose of the assignment TMHCC is undertaking a structured effort to bring governance, supportability, and operational control to a growing number of business-led (“unmanaged” or “shadow IT”) applications already in live use.   This assignment will execute Service Design & Transition (SD&T) processes retrospectively, ensuring that these applications are formally assessed, documented, and transitioned into sustainable IT-supported services.   The assignment will act as the delivery engine for SD&T, working across business and IT stakeholders to gather information, define support models, produce required artefacts, and secure formal sign-off for transition into BAU.   Success in this assignment will be measured by the number of applications successfully transitioned into governed, supportable services,...

AI Engineer – Trading Analytics & Data Platforms London (Hybrid – 3 days/week onsite) 6 Month Contract Role (Inside IR35 – Competitive Day Rate About the Role   We are seeking an experienced AI Engineer with a strong data engineering foundation and a passion for solving real-world trading problems. You will work directly with traders and analysts, building AI-powered analytics and data solutions that deliver actionable insights from market pricing and fundamental data—often in near real-time.   This role sits at the intersection of AI, data engineering, and trading, with a focus on rapid prototyping, stakeholder collaboration, and production-grade delivery using modern Azure and Databricks ecosystems.   What You’ll Do Design and deliver AI-driven analytics for front-office use, including forecasting, seasonality, correlation, regression, and scenario modelling Build scalable, reusable...

Platform Engineer – Databricks 6 Month Day Rate Contract Competitive Day Rate (Inside IR35) Hybrid, 3 days on site in London   We are seeking an experienced Platform Engineer with strong expertise in Databricks and PySpark to join our team on a contract basis. This role is focused on platform optimisation, performance, and cost efficiency , ensuring our Databricks environment runs at its optimum level.   Key Responsibilities: Manage and optimise the Databricks platform to ensure high performance and cost efficiency Analyse DBU consumption and drive improvements in platform utilisation Monitor and enhance PySpark pipeline performance Make informed decisions on scaling up/down clusters based on workload demands Establish and maintain automated release management processes Focus on operational excellence across the platform environment Gather performance data and provide clear evidence-based...

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,...

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   The Synergy Programme represents a step change in how corporate functions across MoJ, HO, Defra and DWP will be delivered. Synergy will be the replacement system for SOP. The programme's purpose is to enable better public services through better ways of working, supporting more than a quarter of a million officials and public servants who deliver some of the most vital and high-risk public services. Synergy's mission is to make working lives easier and help deliver crucial public services by providing systems that are smarter, faster, more intuitive, and are designed around the needs of the user.  ...

Job Title: Data Scientist Job Location: Canary Wharf (Hybrid- 4 days in office, 1 from home) Contract Length: Until 31/12/2026 Industry: Oil and Energy, Tech Working Hours: 8 per day/40 per week   Role Overview: Design, develop, and maintain production-grade AI applications and services using modern software engineering practices (CI/CD, testing, observability, cloud-native design). Define and implement foundational platforms and tools (e.g., conversational bots, AI-powered search, unstructured data processing, GenBI) that are reusable and scalable across the enterprise. Participate in cross functional team initiatives-embedded projects with business stakeholders-to rapidly build and deploy AI solutions that solve high-priority business problems. Evaluate and integrate existing AI tools, frameworks, and APIs (e.g., LLMs, vector DBs, retrieval-augmented generation, AI agents) into robust applications....

UX & UI Designer (six month contract)   Who We Are and What We Do   At SilverRail, we're on a mission to reshape the way the world travels, and we're inviting you to be part of this journey. Rail is becoming the go-to choice for short and medium-haul travel worldwide, and we're here to help make it happen.   In the face of the ongoing climate crisis, our vision is crystal clear. We are transforming the online customer experience for rail travel, making it easier than ever for customers to find, buy and use rail. Our cutting-edge technology is the backbone of rail and travel agencies worldwide, making it effortless for travellers to choose the eco-friendly option and reduce their carbon footprint.   We have more than 15 years of trailblazing success behind us, and our teams are spread across the globe, with bases in London, Boston, Brisbane, and Stockholm. We thrive on the philosophy of 'fail-fast-fail-early,'...

Date Opened 21/04/2026 Role:  Junior Business Analyst Start Date: ASAP Contract Length: 6 months (likelihood of extensions) Location: Northampton/Glasgow/London (any location closest to you) Rate: Open to discussion   We are seeking a Business Analyst to support key initiatives within a financial services environment, with a strong focus on financial crime and regulatory change. This role will involve working across business and technology teams to drive process improvements, identify gaps, and support transformation initiatives.   Key Responsibilities: Conduct process analysis to identify inefficiencies and improvement opportunities Perform gap analysis and support target state definition Assist with current state assessments across multiple business areas Collaborate with stakeholders across business and technology teams Support technology enhancement initiatives, including requirements gathering and...

Department: Technology Team: AI Foundry Location: London (Hybrid or Remote) / Nairobi Position type: Contractor (umbrella – inside IR35) until 24th December 2026; Full Time   What the hiring manager says "The Africa AI Language Initiative is one of our most strategically important efforts — aiming to build Africa-first, open, locally representative AI models across the continent’s most widely spoken languages. As our Subject Matter Expert, you will play a pivotal role in shaping model design, guiding technical execution, and ensuring high-quality delivery across multiple partners." Director of AI Initiatives   About the team The Africa AI Language Initiative brings together mobile operators, African researchers, startups, academia, and GSMA to build and deploy open, representative language models for Africa. The team is multidisciplinary — spanning AI research, data governance, telco engagement,...