65 systems architect jobs found in London

Role description Generative AI Scientist – Agent‑Based Systems London (3 days onsite) Contract (Inside IR35) or Fixed‑Term Employment   The Opportunity at UST At UST, we transform lives through the power of technology, combining deep engineering expertise, responsible AI, and an empathy‑first mindset to deliver meaningful, real‑world impact. 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 Doing: Build Agent‑Based AI Systems Design and...

Role description Generative AI Scientist – Agent‑Based Systems London (3 days onsite) Contract (Inside IR35) or Fixed‑Term Employment   The Opportunity at UST At UST, we transform lives through the power of technology, combining deep engineering expertise, responsible AI, and an empathy‑first mindset to deliver meaningful, real‑world impact. 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 Doing: Build Agent‑Based AI Systems Design and develop...

Contract Solution Architect Farringdon, London Outside IR35   Who are we?   Toyota Connected Europe wants to create a better world through connected mobility for all. We are a new company created to bring big data and a customer focus into all aspects of the mobility experience, so everyone’s experience is more personal, convenient, fun and safe. We create and enable technologies to delight and simplify the lives of everyone who use our products and empower them to think of and use our services in new ways.   You will be joining us at the beginning of Toyota Connected Europe’s journey of building our team and products. We are building teams to inspire, innovate and build technologies and products that are used by millions of people from all walks of life. We want every member of our team to live and breathe the start-up culture of Toyota Connected Europe and feel and act like an owner everyday. This is an opportunity...

Artificial Intelligence Engineer Contract: Permanent or Contract considered Roles: Hiring for multiple positions Salary: Very Competitive Location: London   A NOTE FROM THE FOUNDERS Oxford Dynamics is at an inflection point. We operate in some of the most complex and high-stakes environments in the world -defence, national security, AI and robotics. The decisions we make now will define not just how fast we grow, but who we become. You will work closely with the entire team. You will be trusted with judgment calls. You will influence the business. And you will see the impact of your work every day. If you are excited by ownership, pace and purpose - and by building something that genuinely matters - we would love to hear from you.   Who We Are Founded in 2020, Oxford Dynamics is a fast-growing UK deep-tech company developing AI and robotic systems designed to operate in mission-critical environments. Our flagship AVIS (A Very...

Lead DevOps Engineer (AI- Focused) Mandatory hands-on experience supporting AI/ML or GenAI platforms About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies. Job Location: London (Hybrid - 3 days in the office) Job Summary Are you passionate about making developers' lives easier, faster, and more fulfilling? We're on a mission to supercharge our engineering culture by building a world-class DevOps organization that's the envy of the industry. This is a great opportunity to join a growing company in an innovative and dynamic industry! We are looking for a strong, hands-on Lead DevOps Engineer t o build and maintain a brand-new cloud-based Index platform. You will lead a team of Senior and Junior DevOps Engineers to help us...

Contract - Full Stack Developer (React, Java, Spring) Job description Job Title: Full Stack Developer (Java, Spring, React) - 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 with one of our global financial services clients. This position...

Job Description Contract Opportunity – Dynamics 365 F&SCM Finance Technical Solution Architect Day Rate | 3-Month Contract | Telefonica Tech Telefonica Tech is seeking an experienced Dynamics 365 Finance & Supply Chain Management (F&SCM) Finance Technical Solution Architect to support upcoming projects on a 3-month day rate contract . This role will play a key part in designing and shaping technical solutions centred on Dynamics 365 Finance , working closely with delivery, presales, and customer stakeholders to ensure scalable, high-quality architecture aligned with Microsoft best practices. This opportunity would suit an experienced Dynamics 365 F&SCM architect or senior technical consultant who is available for a short-term contract engagement within a leading Microsoft partner environment. Key Responsibilities Lead the technical architecture and design of Dynamics 365 F&SCM Finance solutions Translate...

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. Technical Product Manager Reference ID: BDS-TPM1 Are you a Technical Product Manager with a passion for delivering...

Opening: Join the Mission At ByDesign Secure, we believe that world‑class security should not be an afterthought—it should be the foundation. We are an independent, outputs‑based consultancy delivering some of the UK public sector’s most complex and sensitive security‑critical systems. We are currently supporting a landmark, cross‑government secure IT transformation, architecting private cloud environments from the ground up and modernising end‑user services that underpin national decision‑making. Our model prioritises impact, autonomy, and technical excellence over hierarchy and utilisation. This is an opportunity for a Principal Security Architect to shape not only individual solutions, but the security posture, architectural standards, and strategic direction of nationally significant programmes. About the Opportunity As a Principal Security Architect, you will operate at the highest technical and strategic level within ByDesign Secure. You will...

About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies. Job Location: London (Hybrid- 3 days in the office) We are seeking an exceptionally skilled Senior Python Software Engineer to architect and implement robust, scalable Back End systems that power our advanced AI/ML tools and services. This hands-on individual contributor role demands expert knowledge of Python fundamentals, a profound understanding of software design principles, architectural patterns, and an unwavering commitment to writing clean, maintainable, and production-grade code that minimizes technical debt. Proficiency in FastAPI is a must. Prior experience in Generative AI development and its associated frameworks is a bonus. The Job This role sits within a newly formed team...

Date published 04-May-2026 Req # 22950 Job description   Job Title: Full Stack Developer (Java, Spring, React) - 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...

Data Architect - Banking - Outside IR35 - Contract - SC Essential   Softwire is seeking experienced Data Architects to join a critical multi-year programme at a major Bank. This is a senior, hands-on role embedded within a cross-functional architecture team, supporting the Enterprise Data Platform (EDP), Financial Data Services / Data Analytics Platform (FDS/DAP), Statistical Analysis and Modelling (SAM), and Mortgage & Banking Returns (MBR) workstreams.   You will work at conceptual, logical, and physical levels, producing the artefacts that underpin data migration, integration, and governance initiatives across one of the UK's most significant financial institutions.   What You'll Be Doing   Across one or more of the EDP, FDS/DAP, SAM, and MBR workstreams, your day-to-day will include:   Producing and maintaining conceptual and logical data models aligned to Bank standards and regulatory requirements...

Data Architect - Banking - Outside IR35 - Contract - SC Essential   Softwire is seeking experienced Solution Architects to join a strategic multi-year programme at a major bank. This is a senior, delivery-focused role operating across the Enterprise Data Platform (EDP), Data Analytics Platform (DAP), and BEEDS / Fraud & Business Data (FBD) workstreams.   You will own end-to-end solution design, spanning application, data, integration, infrastructure, and security architecture within one of the UK's most highly governed and operationally critical technology environments. You will be expected to run your own workstreams, contribute to cross-programme governance, and produce the artefacts the Bank's Architecture Review Boards require.   What You'll Be Doing   Across one or more of the EDP, DAP, and BEEDS/FBD workstreams, your responsibilities will include:   Producing end-to-end solution designs across application,...

About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies. Job Location: London (Hybrid - 3 days in the office) About the role: We are seeking a highly experienced Senior Java Developer with over 10 years of hands-on Java development experience and extensive exposure to AI/ML-driven systems . The ideal candidate will design, build, and scale enterprise-grade applications while integrating modern AI capabilities such as machine learning models, generative AI, and intelligent automation into Back End systems. Key Responsibilities Design, develop, and maintain high-performance, scalable Java applications using modern frameworks. Architect and implement AI-enabled solutions , integrating ML/AI models into Java-based platforms....

Opening: Join the Mission At ByDesign Secure, we believe that world‑class security should not be an afterthought—it should be the foundation. We are an independent, outputs‑based consultancy delivering some of the UK public sector’s most complex and sensitive security‑critical systems. We are currently supporting a landmark, cross‑government secure IT transformation, architecting private cloud environments from the ground up and modernising end‑user services that underpin national decision‑making. Our model prioritises impact, autonomy, and technical excellence over hierarchy and utilisation. This is an opportunity for a Principal Security Architect to shape not only individual solutions, but the security posture, architectural standards, and strategic direction of nationally significant programmes. About the Opportunity As a Principal Security Architect, you will operate at the highest technical and strategic level within ByDesign Secure. You will...

Salesforce Technical Architect (12m Day Rate Contractor) { ʺdescription ʺ: ʺ Job Introduction Main Responsibilities The Technical Architect (Salesforce) is accountable for the end-to-end technical integrity of the Salesforce platform across Financial Services Cloud (FSC), OmniStudio, and Experience Cloud. Working closely with the other architects, the role sets and enforces the technical direction for delivery teams - governing solution design, development standards, platform security, and DevOps practices. The role serves as the primary technical authority within the delivery organisation: making high-consequence design decisions, resolving complex platform challenges, and ensuring that custom development and integrations are fit for purpose in a regulated banking environment. Equally, the Technical Architect is a people leader - mentoring developers, setting the standard for engineering craft, and building a culture of quality, accountability, and continuous improvement...

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. Technical Product Manager Reference ID: BDS-TPM1 Are you a Technical Product Manager with a passion for delivering...

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...

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.   About The Role   The ideal candidate will have a proven track record in designing and implementing complex digital engineering solutions, with hands-on experience in leading PLM and MES platforms (Siemens, PTC, or Dassault Systèmes). This role requires a blend of technical expertise, industry knowledge, and strong communication skills to deliver integrated solutions for clients in the Industrial Products, Aerospace, Defence, or Automotive sectors.   Key Responsibilities   Solution...