387 jobs found in London

Role description Role: Generative AI Scientist Permanent / Fixed term contract/ Contract Inside IR35 Contract Length: Initial 6-12 months with possible extensions Start Date: Immediate preferred Location Requirement:Onsite (3 days per week in the office and 2 days remote ) Applicants legally authorized to work in the United Kingdom without the need for current or future visa sponsorship preferred Experience: Minimum10-15 years We are seeking a Generative AI Scientist to design and deliver agent‑based, AI‑enabled solutions integrated into complex enterprise environments. This is a hands‑on engineering role, focused on building production‑grade AI systems that move beyond experimentation into scalable, secure, and measurable outcomes for our clients. You’ll work closely with UST’s engineering teams, AI specialists, and business stakeholders to translate high‑value use cases into robust solutions. What You’ll Be...

What you will be doing Take ownership of elements of the IDAM Transformation program design and documentation, including HLD’s, LLD’s and Diagrams in both logical and UML/Sequence format Manage aspects of IDAM transformation engagement in multiple Architectural and Technical forums from a technical and engineering perspective for the relevant part of IDAM transformation being designed and approved You will be responsible for detailed designs for all relevant parts of the transformational programme of work for IDAM You will need to understand the technology, solutions and business outcomes of the strategy and be able to convey these to stakeholders up to C level. Be responsible for the successful delivery of relevant parts of IDAM transformation that you are architecting The role requires effective communication across the workstreams and management of their inter-dependencies including oversight of any risks and issues arising. Risk and Issue...

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...

Senior Full Stack Data Quality Engineer Assignment type: Outside IR35   The supplier will be engaged to provide specialist hands-on data quality engineering services to the Finance & Data Reporting Product Team across TMHCC’s modern data platform testing, data quality engineering, and test automation.   The engagement is focused on delivering agreed testing and automation outcomes across defined operational assurance priorities and initiative delivery outcomes. The supplier will validate data across the full data lifecycle, including ingestion, transformation, data lake, data warehouse, reporting and BI, APIs, metadata, lineage, and reconciliation.   Assignment Tasks / Deliverables   Full Stack Data Quality Engineering: Design and execute data quality testing across ingestion, transformation, warehouse, reporting/BI, APIs, metadata, lineage, and reconciliation layers. Validate Snowflake data lake and data...

Job Description We’re Hiring: Mobile Security Engineer Experience: 8+ Years Location: Bristol / London, UK (Hybrid – Onshore) Employment Type: Contract (Inside IR35) Company: Derisk360 Preferred: Immediate Joiners (0–15 Days Notice Period) Are you passionate about securing mobile applications and protecting enterprise platforms from emerging threats? Join Derisk360 as a Mobile Security Engineer and help strengthen the security posture of mobile applications through security assessments, threat modelling, and secure engineering practices. What You'll Do: Conduct regular reviews of mobile application security posture using hands-on security assessment techniques. Perform threat modelling and recommend appropriate mitigation strategies for mobile platforms. Develop and maintain penetration testing tools, scripts, security policies, and procedures. Assess and improve the security of Android and iOS applications....

Role: Senior Software Developer in Test - Security Cleared Job Type: Contract IR35 Status: Inside IR35 Please note this role requires active Security 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. Essential Skills & Experience: Active Security Clearance Solid technical development background with strong coding skills in Java & JavaScript Proven expertise in...

Role description Principal Business Analyst – Data Technology Platforms Location London Hybrid working with 3 days in client office in London Immediate start Fixed term contract/ Contract inside IR35 only until 31st Dec 2026 with possible extensions Applicants must be legally authorized to work in the United Kingdom without the need for current or future visa sponsorship The team Asset Management Platform provides the technology platform for all of client's operational functions across Public Assets, Wealth Management and Private Markets. We support traditional business processes such as Trade Operations, Portfolio Accounting, Risk Management, Performance Measurement and Attribution, Regulatory Compliance, Client Reporting, and Workflow Automation. In addition, we also support less traditional areas such as Real Estate, Private Equity, Private Debt and Credit Alternatives and Renewable Energy Infrastructure. Our primary goal is to...

Full job description Location: London 1-2 days a week. Department: Engineering Employment Type: Contract Contract Length: 6 months (with potential for extension) About YLD: Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahead of the competition, and we know our success only happens when they succeed. We’re a team of curious, talented people, and we’re committed to making YLD a place where great people want to work, grow, and stay. We’re a remote-first consultancy specialising in software engineering, product design, and data. Our teams are based across London, Lisbon, and Porto, and we create digital solutions that continue to deliver value long after our work is done. About the role: As a Senior Software Engineer at YLD, you’ll be part of a client team building innovative products. We’re looking for someone curious,...

The Cyber - PAM role primarily focuses on managing access and identity lifecycle processes within the organization, ensuring compliance with regulatory frameworks and effectively supporting business operations through robust analysis and communication. Cyber Business Analyst (PAM) Rate: £500 p/d Inside IR35 Location: London (4 days) emagine is a high-end professional services consultancy and solutions firm specialising in delivering business and technology services to the financial services sector. We power progress, solve complex challenges, and deliver tangible results through tailored consulting and delivery excellence. Our culture is built on openness, integrity, and strong partnerships, underpinned by our core values: Confident, Dedicated, Responsible, Genuine. The Cyber - PAM role primarily focuses on managing access and identity lifecycle processes within the organization, ensuring compliance with regulatory frameworks and effectively supporting...

JAVA DEVELOPER – LONDON – CONTRACT OUTSIDE IR35  – FINTECH In London WE ARE:  At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world’s leading investment banks, investment managers, fintech, and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila, and Montreal, we have a proven track record of delivering powerful, elegant, and intuitive trading technology solutions. We are now looking for a Java Developer to provide services on an exciting project!  The service provision will require:  Solid JVM skills with strong design patterns. Ability to solve complex...

Senior Technical Business Analyst (Contractors Outside IR35) – FINTECH / LONDON In London WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintechs and capital market service providers. With a global reach with offices in London, New York, Manila, Barcelona and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are now looking for Technical  Business Analyst services on an exciting project!    THE INDIVIDUAL/S PROVIDING THE SERVICES WILL HAVE THE FOLLOWING EXPERIENCE: The   ability to  see...

Position Title: C# Developer with strong data focus and python. About the Role: Jefferies International's Middle Office Development team is seeking a highly skilled and self-motivated professional to join our Middle Office team. This hands-on role requires strong technical capabilities combined with banking operations knowledge to work on implementing feeds to a new platform hosted in a vendor Saas environment. Looking for 5+ years of experience, preferably within the financial services sector. You will play a key role in designing and building interfaces for the data flow. Primary Responsibilities: Good understanding of federated architecture. Develop solutions and automation using a programming language such as Python, C#. Ensure data integrity and accuracy across the platforms in the data pipelines. Gain a thorough understanding of the data that moves through the system(s). Design, develop, and deploy high-quality code to address bug fixes, system...

Senior Operations Lead – Service Operations Transformation (Contract) Toyota Connected Europe (TCEU) · London (Hybrid) · Contract – Initial 3 months (extendable) Outside IR35   About the role: Our Operations function is at an important stage of its evolution. The department has an ambitious FY2026 plan to deliver: intelligent automation, AIOps, process excellence, stronger governance, workforce transformation into SRE/ARE-aligned engineering, and a new “Ops as a Product” operating model. To get there, we first need to stabilise and strengthen the current team's standards, ownership and ways of working. We are looking for an experienced, hands-on Senior Operations Lead to join on an initial 3-month contract to do two things in parallel: stabilise the current team, resetting standards, ownership and customer confidence, and begin its transformation into a modern, engineering-led operations capability. The...

Contract - Senior Full Stack Developer Job description   Job Title: Senior Full Stack Developer (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 Senior Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our...

Contract - Full Stack Developer Job description   Job Title: Full Stack Developer (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...

Contract - Senior Cloud Engineer Job description   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...

Full job description This role is delivered within secure environments. Candidates must be eligible for UK SC and DV clearance and hold UK Citizenship. 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 are 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...

Full job description This role is delivered within secure environments. Candidates must be eligible for UK Security Clearance (SC and DV) and hold UK Citizenship. Opening: Join the Mission At ByDesign Secure, we design and deliver secure-by-default digital platforms for high‑assurance environments. We are currently building a new secure cloud platform based on Google Distributed Cloud (GDC) and are looking for a Security Engineer (SIEM) to lead the design and implementation of its security monitoring and observability capabilities. This role offers the opportunity to build a SIEM capability from the ground up, influence security architecture decisions, and directly support SOC operations protecting critical public‑sector services. About the Opportunity As a Security Engineer (SIEM) at ByDesign Secure, you will be responsible for building and enhancing our security monitoring and detection capabilities across complex environments. You will design...

Senior Product Engineer (Freelance) 3-4 days per week, hybrid work policy in central London office We're looking for a freelance product engineer to join us between June and October 2026, working primarily on wonderbly.com with a focus on driving growth into Q4. This is a hands-on role. The work involves close collaboration with the VP product and other teams to solve deep customer experience challenges around our Kids and Keepsake landing pages and journeys, in order to unlock growth in these key areas for the business. You'll be working within a small, focused team — and at least some of the time, with a fair amount of autonomy. We're not looking for someone to execute a perfect brief. We're looking for someone with the judgment to help us figure out the right thing to build, and then build it well. A few things that are important to us The work you're doing feeds directly into beautifully made, deeply personal books that people treasure....

The Ministry of Justice (MoJ) priorities include improving public safety and reducing reoffending by reforming prisons, probation and youth justice, and building a justice system which makes access to justice swifter and more certain for all citizens whatever their background. Project professionals in the MoJ help to improve the government's ability to protect the public and reduce reoffending, and to provide a more effective, transparent and responsive criminal justice system for victims and the public.   Job Purpose:   You'll be an active part of Technology Services Delivery (TSD), supporting portfolios such as Evolve, which is a composed of multiple projects, with supporting workstreams:   Voice & Video (inc. Contact Centre) LAN & WAN EUCS (inc. Converge & Accelerate, In- Housing)     As an Assistant Portfolio Planner - Tech , your main responsibilities will be to:   Maintain the project...