91 jobs found in London

World Wide Technology (WWT) is a 36-year-old global technology integrator and IT solutions provider. Through our culture of innovation, we inspire, build, and deliver business results from idea to outcome. World Wide Technology (WWT) has an opportunity for a Network Specialist, you will play a key role in leveraging Forward Networks to gain visibility into complex network environments, analyse network configurations, run queries using Network Query Engine (NQE) and validate network state, connectivity, routing paths and security policies. The role involves using network assurance capabilities to identify configuration inconsistencies, investigate network issues, support compliance checks and ensure the network estate is accurately understood and documented.   Network Specialist - This is a contract Role & Inside IR35 Contract Duration: 6 months initially Location: London (Hybrid)   Key Responsibilities Configure and support...

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...

Waracle are looking for a Senior Mobile Security Developer (Inside IR35) for an exciting new 6-month initial contract joining our world-class digital technology consultancy, home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.   We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.   This is a UK-based Inside IR35 Contract role, offering the flexibility to balance your professional and personal life, with 2 days a week spent connecting with colleagues in our London or Edinburgh office or on client site. The Role As a Senior Mobile Security Developer, you will define squad-level technical architecture...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission We are a fast‑growing startup building scalable, high‑quality digital products at pace. Our success depends on strong engineering foundations, pragmatic architecture, and ways of working that enable teams to deliver value continuously. We are looking for a Principal Engineer to play a critical leadership role across our engineering and architecture community. This is an opportunity to shape how we build, not just what we build—embedding effective engineering processes, modern delivery practices, and a culture of continuous improvement as the company scales. This role suits a senior technologist who thrives in ambiguity, enjoys influencing without authority, and wants to leave a lasting imprint on how engineering operates within a growing organisation. About the Opportunity As a Principal...

About us ATLAS is a London-based e-commerce consultancy. We manage wholesale, marketplace and website operations for fashion, lingerie and beauty brands across the UK and Europe. The role We are looking for an Ecommerce Manager to run day-to-day wholesale and marketplace operations across our client brands, reporting directly to our founder. The role suits someone who learns new systems quickly, works accurately with data and makes sound decisions independently. This is a full-time freelance contract, with the opportunity to move to permanent employment. Key responsibilities Manage wholesale purchase orders from receipt to delivery: confirmations, shipping notices, stock allocation, shortages and credit notes Manage marketplace accounts: listings, stock, pricing, orders and account manager queries Work daily across business systems: order and finance systems, marketplace portals, warehouse systems and Shopify Build and maintain reports and...

Hitachi Digital, a Hitachi Group Company, is a leader in digital engineering, helping organizations design and build innovative products, platforms, and digital experiences. We partner with leading Enterprise organisations to deliver large-scale digital transformation, cloud, data, AI, and platform modernization initiatives across global delivery models.   We are seeking to hire an experienced UX Designer and Workflow Facilitator, this is for a short term contract assignment, to start ASAP and Inside IR35. Hybrid 2 days a week.   Skills required:- 5 years+ in UX, service design or business-facing design, ideally with experience in banking, lending or other regulated financial services Experience of complex, workflow-heavy applications (onboarding, applications, back-office workspaces) Capability to run workshops, engage and identify user research with stakeholder requirements Process mapping, user journeys, service blueprints and information...

Senior TypeScript Engineer (Node.js, AWS Serverless), FinTech Location: London, Manchester, Leeds, Edinburgh or Bristol (flexible hybrid) Rate: £600 per day. Inside IR35 Duration: 6 months About Codurance We're a software craftsmanship consultancy. We build software for clients, and we care about doing it properly: clean code, solid testing, sensible architecture, and teams that keep learning. Our engineers work embedded with client teams, so you get variety, real ownership, and the backing of a wider community of craftspeople who'll challenge you and help you grow. The role We're looking for a senior contract engineer to work on a financial platform where correctness actually matters. You'll design, build, and run TypeScript and Node.js services on AWS serverless infrastructure. You'll work in a small, cross-functional team alongside product, operations, and customer-facing colleagues, and you'll be the person people go to when they're...

Senior AI Infrastructure Engineer (Agent Runtime Platforms) London – Hybrid ASAP 6 month Contract Inside IR35/ Fixed Term Employment   UST is looking for a Senior AI Infrastructure Engineer with deep experience building and operating production-scale agentic AI systems. You'll work with leading agent runtime platforms such as Amazon AgentCore Runtime (or similar) to deploy, secure, and scale AI agents and multi-agent workflows across enterprise environments.   What You'll Do: Deploy and manage AI agents and multi-agent systems in production Configure agent runtimes, tool integrations, permissions, and access controls Design memory, state management, and context-handling architectures Implement AI guardrails, governance, monitoring, and observability Build Python-based APIs, platform services, and orchestration layers Develop scalable, cloud-native AI solutions on AWS Contribute reusable frameworks, standards,...

Contract - Software Developer In Test- SC Cleared Inside IR35 Contract Initial 6 months London - Hybrid working Start ASAP - Must have active SC Clearance About Scale Factory We are an AI enablement consultancy. Delivering quality-led AI-first foundations, embedding capability and excellence into the foundational fabric of the companies we work with. We give leaders the confidence to move faster, take smarter risks and pursue transformation. Formerly Ten10, we have deep roots in Quality which means we don’t just build for the future, we ensure it actually works. We combine this engineering discipline with cutting-edge AI expertise to deliver robust, scalable foundations that turn ambitious transformation into reliable reality. About the Role This is more than just a job, it’s an opportunity to innovate and grow. As a Software Developer in Test , you’ll: Work with our clients to design, build, and implement...

We are looking for a Lead PMO for a Core Banking Transformation Programme, guiding the transition towards a cloud-based architecture using Microsoft Azure while ensuring effective governance and reporting. Lead PMO £575-600p/d Hybrid London   emagine is a high-end professional services consultancy and solutions firm Specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end consulting services and solutions.   We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a positive and equitable working environment with our consultants and colleagues which stems from our core values: Confident,...

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 Ministry of Defence (MOD) is a central government department with a mission to protect our country and provide the ultimate guarantee of its security and independence, as well as helping to protect its values and interests abroad.   The MOD is one of the biggest public procurement organisations in Europe and the single largest customer for UK industry. It currently manages approximately £20 billion of spend on capital investments in equipment and infrastructure every year. Over the next decade the MOD is committed to spending...

Full job description   Company Description Join the world’s largest kdb+ Consultancy where every query matters, every millisecond counts and every system you build shapes the future of data-driven finance. At Data Intellect , we thrive on solving complex data challenges in high-stakes environments. We’re a team of engineers, problem-solvers and collaborators who believe in pushing boundaries, not egos. If you're a proficient kdb+ developer ready to lead, innovate and make an impact, we want to hear from you. Job Description As a Senior kdb+ Engineer at [DI] you’ll be at the forefront of delivering high-performance, scalable solutions for some of the world’s most data-intensive financial institutions. You’ll: Lead technical delivery on client projects, setting the standard for quality and performance. Design and implement robust kdb+ architectures that handle billions of rows of time-series data....

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. 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 complex data assurance challenges in the UK public sector. We are a lean, expert team focused on delivering high-impact outcomes. If you are a self-starter who thrives on autonomy and wants your work to contribute to secure, nationally significant programmes, we want to talk to you. About the Opportunity We’re looking for an experienced and collaborative Technical Editor to work closely with our architecture, engineering and software development teams. This is not simply a proofreading role: you will evaluate the logic, structure and readability of deeply technical documents and help ensure complex information is accurate, clear and...

The Ministry of Defence (MOD) is a central government department with a mission to protect our country and provide the ultimate guarantee of its security and independence, as well as helping to protect its values and interests abroad. The MOD is one of the biggest public procurement organisations in Europe and the single largest customer for UK industry. It currently manages approximately £20 billion of spend on capital investments in equipment and infrastructure every year. Over the next decade the MOD is committed to spending over £190 billion on equipment and support. The MOD's customers include both the armed forces and national security agencies, and it has a diverse range of requirements, including military fighting vehicles, education services, nuclear submarines and facilities management. The MOD's aim is to provide its armed forces with the best capabilities to enable them to protect the UK's security and advance national interests, both now and in the...

Waracle are looking for a Senior QA for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.   This is a Hybrid role working from our London office 2 days a week and is available on a Contract (Inside IR35) basis, initially for 6 months. Are you a technical quality specialist who thrives on collaboration, engineering rigor, and robust automation? We are looking for a Senior Quality Engineer who combines strong software engineering discipline with deep test automation expertise to deliver...

Job Title: Software & DevOps Engineer Location: London Hybrid Duration: 12 months Contract Start Date: November, ASAP 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 This role requires a senior software engineer specializing in Java and JavaScript development to design, build, and secure enterprise-level applications and platforms. The consultant will be a key figure in enhancing software supply chain security and driving the adoption of secure development practices across the...

Department: Project Services & Change Team: Project Services & Change Location: London with hybrid working (2-3 days in the office) Position type: Contractor (umbrella – inside IR35) until 5th November 2027 What the hiring manager says “This is an exciting opportunity to join our agile, fast-paced, and versatile team of project professionals; to lead on various programmes at the heart of technology and programme management and to support the wider organisation with high class programme delivery and participate in the continuous growth and improvement of the GSMA”. Anna Campbell, Head of Project Services & Change About the team The Project Services & Change Team in the GSMA provides project/programme management, change management and business analysis capabilities to deliver change initiatives across the mobile industry. Working in close partnership with subject matter experts within the GSMA and from across...

Senior Business Analyst (contractor), London What are we trying to do? Lab49 was founded in 2002 with a deep pool of business and technology talent and a global reach. We specialize in helping clients realize rapid transformational change at an industrial scale and operate historically towards the upper tiers of banking and capital markets, to include banks, hedge funds and exchanges; assisting those companies with their most key strategic business programmes and technology investments. What do we need help with? We are looking for an experienced consultant to work on a large institutional multi-year business transformation and integration project in cross border payments. What will you do? Business analysis • Develop business requirements and backlogs • Develop detailed business specifications, including worked numerical examples • Develop functional architectures and solutions designs • Develop delivery roadmaps, identify dependencies,...

World Wide Technology (WWT), a 36-year-old global technology integrator and IT solutions provider. Through our culture of innovation, we inspire, build, and deliver business results from idea to outcome. World Wide Technology (WWT) has an opportunity for Senior Network Engineers to execute a legacy-to-ACI migration across two data centres supporting a major financial services client. This is hands-on, Implementation, Migration & deployment-focused work engineers will implement against Low-Level Designs already produced by the design team, not design the solution themselves. Candidates must be able to demonstrate solid routing, switching, and BGP fundamentals, as technical depth in these areas is a key screening criterion for this role. This is a contract Role & Inside IR35 Senior Network Engineer Contract Duration: To be confirmed Location: London (Hybrid – 2 days a week) Key Responsibilities Physically rack, cable, and configure...

Contract Solutions Architect (Salesforce) ?? London (2 days per week on-site) ?? £700 per day (Inside IR35) We're looking for an experienced Solutions Architect to support the design and integration of business-critical platforms and processes. The ideal candidate will have strong SAP ERP expertise, alongside experience of Customer-to-Cash processes , billing and charging models, and ERP integrations. Key requirements: Strong Solutions Architecture background Extensive experience with SAP ERP Customer-to-Cash process expertise Experience designing charging, billing and client invoicing models Integration experience between customer-facing platforms and ERP systems Salesforce experience highly desirable