262 jobs found in London

Full Stack Engineer | Cross Asset Trading | React, C#, .NET, SQL Server | London | Hybrid 1-2 days onsite | Up to £550 p/day | Outside IR35 We’re working with a cross-asset trading business that’s firmly tech-first, where engineering sits at the heart of how the firm operates. They’re looking for a Full Stack Developer to join on a contract basis and help build the applications their traders and teams rely on every day. On the technical side, this is a front end-led role, with roughly 60% of your time in React, 30% across .NET, C# and API development, and the remaining 10% in SQL Server. Experience with the modern React ecosystem will set you apart, particularly the TanStack suite, which has become the industry standard for data access and routing. Just as important, you’ll bring a background in regulated environments. Finance can be a tricky space to step into cold, so a solid grasp of the vocabulary and an understanding of models and funds work will help you hit the...

We're working exclusively with an established investment management business seeking an experienced, hands-on Full Stack .NET Engineer to take a number of internally developed applications and prototypes through to production. The business has been using AI-assisted development tools, including Claude, to rapidly develop working prototypes and now requires an engineer with the technical depth to turn these into secure, scalable and maintainable production applications. This is a backend-leaning full-stack role, with a strong emphasis on C#/.NET, Azure, application architecture and data integration. You'll also need sufficient frontend development experience to deliver complete, functional applications. Working directly with senior business stakeholders in a small technical environment, you'll have considerable autonomy and responsibility for technical delivery. Key responsibilities Take existing applications and prototypes through to production. Design, develop and...

Principal AI Consultant | Contract | Up to £700/day Outside IR35 A leading financial institution is expanding its AI delivery capabilities and is looking for a Principal-level specialist to help shape and deliver its next generation of enterprise AI solutions. The programme will initially focus on AI-powered trading recommendations, using client behaviour and market predictions to inform trading decisions. You'll have ownership of the technical direction, working closely with business stakeholders and engineering teams to take ideas from initial definition through to approved production systems. A major part of the challenge is ensuring solutions meet the governance, validation and model-risk requirements of a regulated financial environment, alongside delivering hands-on technical work. Key requirements: 10+ years of commercial engineering or data science experience. Demonstrable experience taking commercial AI/ML systems into production. Strong Python, machine...

Help shape AI-driven security operations at a Fintech, using tools such as CrowdStrike and Wiz to strengthen threat detection and response. Salary: £500 - 550 per day Senior Security Engineer A Fintech requires a contract Senior Security Engineer who will be responsible for enhancing threat detection, SIEM capabilities and incident response across a complex, cloud-native environment. The role has a strong focus on automation and AI-driven SecOps, using tools such as CrowdStrike and Wiz to improve security monitoring, detection and response capabilities. Day Rate: £500-£550pd. IR35 Status: Outside. Travel: 5 days a week in Central London Office. Duration: Initial 6 months. Key Responsibilities: Build, develop and continuously improve SIEM detection capabilities, creating and refining complex detection rules, alerts and dashboards to identify threats across end-user and production environments, using the MITRE ATT&CK framework....

IT Operations Contractor (ISO 27001 / SOC 2) 5 days onsite, City of London (EC3N) | Contract, 3-6 months | £500 per day, Outside IR35 Our client is a data and analytics consultancy working with private equity firms and their portfolio companies. They're looking for an experienced IT Operations contractor to support their internal IT team through an office relocation and preparation for ISO 27001 and SOC 2 audits. It's a hands-on role with a broader scope than standard IT support. You will manage the IT apprentice and work with an offshore team in Chennai. What You'll Be Doing Handing over from the outgoing IT Manager and taking ownership of day-to-day IT operations Managing and supporting the IT apprentice Administering Microsoft 365, Entra ID and Intune, including endpoint management Gathering and maintaining evidence for ISO 27001 and SOC 2 audits Delivering IT and infrastructure workstreams for the office move (practical completion 18th December, full relocation...

LIMS/ELN Scrum Master - initially 12 months, 100% remote - outside IR35 Essential Requirements Minimum 6+ years of experience leading Agile software delivery initiatives, including at least 4 years as a Scrum Master. Demonstrated experience managing large-scale enterprise digital transformation programs involving multiple vendors and global stakeholders. Strong knowledge of Scrum, Agile, Kanban, scaled Agile delivery models, and Agile coaching techniques. Experience delivering Laboratory Information Management Systems (LIMS), Electronic Laboratory Notebooks (ELN), scientific data platforms, or R&D laboratory digitalization initiatives. Experience facilitating delivery activities using Jira, Confluence, Azure DevOps, or similar Agile tooling. Proven ability to manage complex dependencies, risks, and stakeholder communications across international teams. Excellent facilitation, communication, conflict resolution, and stakeholder management skills....

Role: Exit Programme/Project Manager Location: Newbury and or London Office 2 to 3 days per week Positions: Contract (Outside IR35) Clearance: SC Cleared(Mandatory) Job Description/Deliverables : Overview Client is seeking an experienced Exit Manager to lead the end-to-end transition and exit of services click apply for full job details

Enterprise Architect - £700 p/d (Outside IR35) - 6-week initial contract - London (2/3x a Week Onsite) A growing technology consultancy is looking for an experienced Enterprise Architect to support complex digital transformation initiatives across its UK enterprise client base. This is an exciting opportunity to play a key strategic role in shaping enterprise architecture, modernising Legacy technology estates and aligning technology investments with wider business objectives. Working closely with senior stakeholders, including CTOs, CIOs and technology leadership teams, the Enterprise Architect will be responsible for defining target-state architectures, developing transformation roadmaps and establishing architectural governance frameworks. You will also support pre-sales activities, providing technical expertise and strategic guidance across major enterprise transformation opportunities. Key Responsibilities Define and develop enterprise architecture strategies,...

Solutions Leader - Data - £700 p/d (Outside IR35) - 6 - week contract - London (2/3x a Week Onsite) A growing technology consultancy is looking for an experienced Data Solutions Leader to drive enterprise data architecture and modern data platform initiatives across its UK client base. This is an exciting opportunity to combine strategic data advisory, solution architecture and technical leadership, supporting organisations in modernising their data estates and developing scalable enterprise data capabilities. Working closely with senior client stakeholders, business development teams and data engineering functions, the Data Solutions Leader will define enterprise data strategies, architect modern data platforms and lead technical pre-sales engagements. You will also provide architectural oversight across data delivery initiatives, support the development of data engineering capabilities and contribute to the consultancy's data thought leadership. Key...

Solutions Leader - AI - £700 p/d (Outside IR35) - 6-Week Initial Contract - London (2/3x a Week Onsite) A growing technology consultancy is looking for an experienced AI Solutions Leader to drive the development of its enterprise AI capabilities across the UK market. This is an exciting opportunity to combine AI solution architecture, technical leadership and commercial advisory, supporting enterprise clients in adopting Generative AI and advanced machine learning technologies. Working closely with business development teams, senior client stakeholders and AI engineering teams, the AI Solutions Leader will define enterprise AI architectures, lead technical pre-sales engagements and shape AI technology roadmaps. You will also provide technical direction across AI delivery initiatives, support the development of engineering capabilities and contribute to the consultancy's AI thought leadership. Key Responsibilities Define enterprise AI strategies and design...

Principal Architect/Technology Thought Leader - £700 p/d (Outside IR35) - 6-week initial contract - London (2/3x a Week Onsite) A growing technology consultancy is looking for an experienced Principal Solutions Architect/Technology Thought Leader to support enterprise clients with solution architecture, technical advisory and modern technology adoption. This is an exciting opportunity to combine strategic architectural leadership with hands-on technical delivery, helping organisations translate emerging technologies into practical business solutions. Working closely with senior client stakeholders, engineering teams and technical leadership, the Principal Solutions Architect will design enterprise-grade solutions, develop technical roadmaps and provide architectural guidance across complex client engagements. You will also support pre-sales activities, lead Proof of Concepts (PoCs) and contribute to technical thought leadership through industry articles, whitepapers and...

Project Manager/Retail/Buying & Merchandising/Supply Chain London - Hybrid £550 - £600 Outside IR35 Project Manager/Retail/Buying & Merchandising/Supply Chain Our client is a well-established retailer who are looking for an experienced Project Manager to take ownership of a key retail system implementation project. You'll be taking responsibility for driving delivery forward and ensuring third-party suppliers remain on track. This is a hands-on delivery role managing supplier relationships and proactively resolving delivery challenges. You'll work closely with internal stakeholders and external partners to ensure the successful implementation of a new back-office retail system. We're looking for candidates who: Have recent, hands-on experience delivering technology projects within a retail environment. Have successfully managed the implementation or replacement of back-office retail systems (eg OMS/Buying & Merchandising/Supply chain) Have strong...

PRINCIPAL SOLUTIONS ARCHITECT London - Hybrid 3-Month Contract | Immediate Start Required 700 GBP Outside IR35 Ready to shape the future of enterprise technology? We're looking for an exceptional Principal Solutions Architect to make an immediate impact. We are working with a leading global technology and digital transformation organisation seeking an accomplished Thought Leader & Principal Solutions Architect to join their team on an initial 3-month contract with a view for extenssion! This is an exciting opportunity for a senior technology leader who combines exceptional architectural expertise, commercial awareness and the ability to influence C-suite stakeholders. You'll play a pivotal role in shaping enterprise technology strategies, advising senior clients and translating emerging innovations into tangible business outcomes. Immediate availability is highly desirable, as the client is looking to move quickly. The Opportunity You'll operate at the...

SC Cleared Content Designer Active SC Clearance Required | Up to £450 per day | Outside IR35 | Predominantly Remote We're recruiting for an experienced SC Cleared Content Designer to join a major Central Government digital programme. This is an exciting opportunity to help design and deliver accessible, user-centred services that meet citizen needs while adhering to GDS standards and GOV.UK best practice. The Role Working within a multidisciplinary agile team, you'll be responsible for creating, testing and iterating content across complex government services. You'll collaborate closely with User Researchers, Service Designers, Interaction Designers, Business Analysts and key stakeholders to ensure content is evidence-based, accessible and aligned to user needs. Essential Requirements Active SC Clearance is mandatory and must be in place before engagement Proven experience as a Content Designer within Central Government Strong knowledge and practical experience of GDS...

Automation Test Engineer Contract role - 6 months rolling SC Cleared or British and eligible for SC Clearance £300 a day - outside IR35 Hybrid, occasional visits to site in London We require an Automation Tester with strong Java capabilities to develop new features for our portfolio of Government Clients. REQUIREMENTS Strong Java coding skills (JavaScript, JMeter Scripting also advantageous). Experience as a software tester/developer in test with a good appreciation of test automation. Passionate about code quality and advocate of clean code principles. Excellent analysis and problem-solving skills with meticulous attention to detail. Experience with common test automation tools such as Selenium, Cucumber or Serenity; CI/CD tools (such as Jenkins, Stash, GitHub, Bitbucket) Experience testing UI, API (SOAP UI, RESTFUL services) and web services-based systems, including end-to-end and/or in isolation using mocks. Experience with very large...

We are seeking an experienced Active Directory Engineer to join a project team, focusing on the administration, maintenance and improvement of enterprise Active Directory and hybrid identity services. Wokring knowledge and understanding of Okta is key. 9 month initial contract Outside IR35 Immediate start, London/Manchester (1-2 days per week) Key Responsibilities Administer and maintain Microsoft Active Directory (AD DS) and hybrid environments with Microsoft Entra ID. Manage AD objects, OUs, security groups, access provisioning and permissions. Develop PowerShell scripts to automate administration, reporting and Joiner/Mover/Leaver processes. Manage and troubleshoot Group Policy (GPO), DNS, DHCP, Kerberos and domain trusts. Resolve complex authentication, authorisation and directory-related issues. Support domain controller health, patching, backups and directory replication. Maintain SSO integrations across Okta, Entra ID, Google Workspace and Oracle...

Senior Security Engineer A Fintech requires a Contract Senior Security Engineer who will be responsible for enhancing threat detection, SIEM capabilities and incident response across a complex, cloud native environment. The role has a strong focus on automation and AI-driven SecOps, using tools such as CrowdStrike and Wiz to improve security monitoring, detection and response capabilities. Day Rate: £500-£550pd IR35 Status: Outside Travel: 5 days a week in Central London Office Duration: Initial 6 months Key Responsibilities: Build, develop and continuously improve SIEM detection capabilities, creating and refining complex detection rules, alerts and dashboards to identify threats across end user and production environments, using the MITRE ATT&CK framework. Investigate and respond to security incidents, working across SIEM, EDR and cloud security platforms to manage the full incident lifecycle, from alert triage and investigation through to containment,...

Data Engineer We are looking for an experienced Data Engineer to support an exciting AI and data integration project for a leading organisation. The project will focus on integrating Claude AI with Tableau using Model Context Protocol (MCP), enabling AI-driven data analysis and reporting through integration with Snowflake. Key Skills & Experience: - Strong experience with Snowflake, dbt and Azure Data Factory (ADF). - Hands-on experience with Tableau and data integration. - Strong SQL and data pipeline development skills. - Experience with APIs and system integrations. - Understanding of Model Context Protocol (MCP) and LLM integrations. - Exposure to Claude AI or similar AI platforms would be advantageous. Contract Details: - Outside IR35 - Remote working An excellent opportunity to work on an innovative project combining modern data engineering with emerging AI technologies. Please get in touch for further details.

Product Owner Outside IR35: £550 - £600 p/d Primarily remote, ad hoc travel to London possibly required 16th Nov start, 5 month initial contract. Extensions to follow 3 or 4 days a week Our client, a digital consultancy with a long track record in UK government, is building a new shared Intranet for two large national public sector organisations. The project merges content from their two current intranets into a single site with a new information architecture. The role You'll own the product vision and backlog for the new intranet, making sure it works for staff in both organisations. Own and prioritise the backlog, writing clear user stories and acceptance criteria Turn the needs of staff and stakeholders in both organisations into one product vision and roadmap Work with user research, content design and IA to shape the new information architecture Make the calls on content: what moves across, what merges and what's retired Build agreement between stakeholders in both...

Delivery Lead Outside IR35: £550 - £600 p/d Primarily remote, ad hoc travel to London possibly required 16th Nov start, 5 month initial contract. Extensions to follow 4 days a week up to Xmas, 3 days a week from Jan - Mar The project Our client, a digital consultancy with a long track record in UK government, is building a new shared Intranet for two large national public sector organisations. The project merges content from their two current intranets into a single site with a new information architecture. The role You'll lead delivery of the new Intranet from kick-off to launch, taking the team through agile phases in line with government ways of working. Set up and run the delivery approach: plan, roadmap, ceremonies, RAID log and reporting Lead a multidisciplinary team through discovery, Alpha and beta Plan and track the migration of content from two sites into one, including dependencies and cutover Keep senior stakeholders in both organisations aligned on scope,...