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75 systems architect jobs found

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systems architect Greater London
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Contract Spy
Apr 29, 2026
Duration not stated
Generative AI Scientist – Agent‑Based Systems (Software Architect II) at UST Global, London, £Contract Option
Contract Spy London, UK
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...
Contract Spy
Apr 22, 2026
Duration not stated
Generative AI Scientist – Agent‑Based Systems (Software Architect II) at UST Global, London, £Contract Option
Contract Spy London, UK
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 Spy
Apr 13, 2026
Duration not stated
Senior Game Developer at Voodoo, Remote, £Contract Rate
Contract Spy Remote (London, UK)
  About Voodoo Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz. This position is fully remote within CET ±3h.   Team Joining our Live games team means collaborating with gaming industry experts on globally renowned, enduring games while embracing exciting new entrepreneurial ventures. With over seven billion downloads worldwide and a portfolio of more than 10 resilient hybrid games generating more than $20m per year, we are the world's largest and most successful hybrid publisher. Voodoo is creating a talented team with a big mission: find the next best way to entertain the world by...
Contract Spy
May 01, 2026
Duration not stated
Principle Security Architect at ByDesign Secure, London, £750 per day
£750 per day
Contract Spy London, UK
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...
Contract Spy
May 01, 2026
6 Months or more
Salesforce Technical Architect at Handelsbanken Plc, London, 12 Months, £Competitive Day Rate
Contract Spy London, UK
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...
Contract Spy
May 01, 2026
Duration not stated
Technical Product Manager/Product Owner at ByDesign Secure, London, £550-£600 per day
£550 - £600 per day
Contract Spy London SW1A, UK
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...
Contract Spy
May 01, 2026
Duration not stated
Senior Security Architect at ByDesign Secure, London SW1A, £725 per day
£725 per day
Contract Spy London SW1A, UK
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...
Contract Spy
May 01, 2026
6 Months or more
PLM & MES Solution Architect at Deloitte, London, 6 Months, £Competitive Rate
Contract Spy London, UK
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...
Contract Spy
Apr 30, 2026
Duration not stated
Solutions Architect at Pluro - Shopify Plus Agency, London, £Contract Rate
Contract Spy London Area, United Kingdom
*Please only apply if you have hands-on Shopify Plus architecture experience. Strong Shopify theme/front-end development experience alone will not be enough for this role.   About Pluro Pluro is a Shopify agency working with ambitious e-commerce brands, with a focus on Shopify Plus, subscriptions, premium consumer brands, and complex technical delivery.   We work across strategy, Shopify architecture, theme development, app integrations, platform migrations, CRO, and ongoing growth retainers. As the agency grows, we are looking for a contract Solutions Architect to support with discovery, technical planning, client workshops, and delivery handovers.   The Role We are looking for an experienced Solutions Architect who can sit between client requirements, commercial strategy, and technical delivery.   This role is ideal for someone who understands Shopify deeply, can translate business problems into technical solutions, and can...
Contract Spy
Apr 30, 2026
Duration not stated
Full Stack Developer (React, Java, Spring) at Deloitte, London, £Contract Rate
Contract Spy London, UK
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 requires an...
Contract Spy
Apr 29, 2026
up to 6 Months
D365 F&SCM Finance - Technical Solution Architect at Telefónica Tech, London, 3 Months, £Contract Rate
Contract Spy London, England, United Kingdom
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...
Contract Spy
Apr 28, 2026
6 Months or more
IAM Engineer/AI Coding at Platinum Group, London, 6 Months, to £650 per day
£550 - £650 per day
Contract Spy London, UK
Consultant engagement inside IR35 - Upto £650 per day Platinum Group Security practice is looking for a hybrid technologist who can design secure, scalable Identity and Access Management (IAM) systems while also leveraging AI tools to rapidly prototype, automate, and innovate across the identity landscape. IAM Integration & Identity Engineering Implement and support integrations with IAM systems (SailPoint etc) Work on identity data flows including provisioning, transformation, and validation Support onboarding of new HR systems into the identity pipeline Assist in implementing access control and identity lifecycle processes AI-Assisted Development ( Vibe Coding ) Use tools like GitHub Copilot, Claude, ChatGPT to accelerate development Prototype features and automation quickly using AI-assisted workflows Help introduce AI-driven improvements (eg, test automation, data validation, mapping generation) Continuously experiment...
Contract Spy
Apr 27, 2026
Duration not stated
Salesforce Technical Architect at Handelsbanken Plc, London, 12 Months, £Competitive Day Rate
Contract Spy London, UK
Salesforce Technical Architect (12m Day Rate Contractor) { ʺdescription ʺ: ʺ 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...
Contract Spy
Apr 27, 2026
Duration not stated
API/Integration Architect at DADA Enterprises Ltd., London, £425-£475 per day
£425 - £475 per day
Contract Spy London, UK
Job Overview We are seeking a highly skilled API / Integration Architect to lead the design, development, and implementation of complex integration solutions across diverse platforms and systems. The successful candidate will play a pivotal role in shaping our cloud architecture and ensuring seamless connectivity between various enterprise applications. This role offers an exciting opportunity to work on cutting-edge technologies, including microservices, cloud computing, and DevOps practices, within a dynamic and innovative environment. What you’ll be doing: Assessing existing systems and defining API-led integration strategy Data formats, interoperability, authentication and security Designing target integration architecture Supporting data and technical feasibility assessments Identifying opportunities for Automation Contributing to discovery outputs and recommendations Lead the architecture and design of scalable, secure,...
Contract Spy
Apr 27, 2026
Duration not stated
Data Architect – AI Discovery at DADA Enterprises Ltd., London/Remote, £400-£475 per day
£400 - £475 per day
Contract Spy Hybrid (London, UK)
Job Summary We are seeking a highly skilled Data Architect specialising in AI Discovery to join our innovative team. The successful candidate will be responsible for designing, developing, and maintaining robust data architectures that support advanced AI and big data initiatives. This role offers an exciting opportunity to work with cutting-edge technologies and contribute to transformative data-driven projects within a dynamic organisation. The position is paid and suitable for professionals eager to leverage their expertise in cloud platforms, data modelling, and large-scale data processing. Responsibilities Design and implement scalable, efficient data architectures supporting AI discovery initiatives. Develop and maintain data models, database designs, and data warehouses aligned with organisational needs. Collaborate with cross-functional teams to define data requirements and translate them into technical solutions. Manage integration of diverse data...
Contract Spy
Apr 24, 2026
Duration not stated
Technical Product Manager at ByDesign Secure, London SW1A, £550-£600 per day
£550 - £600 per day
Contract Spy London SW1A, UK
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...
Contract Spy
Apr 24, 2026
Duration not stated
Senior Security Architect at ByDesign Secure, London SW1A, £725 per day
£725 per day
Contract Spy London SW1A, UK
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...
Contract Spy
Apr 24, 2026
6 Months or more
PLM & MES Solution Architect at Deloitte, London, 6 Months, £Competitive Rate
Contract Spy London, UK
ob description Job title: Contract - PLM & MES Solution Architect Contract Length:6 months Target Start Date: ASAP April 2026 Location: London / Hybrid working 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.   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...
Contract Spy
Apr 23, 2026
Duration not stated
MDM Architect at Billigence, London/Remote, £Contractor Rate
Contract Spy Hybrid (London, UK)
Location London, Greater London (Hybrid) Department Data Governance Employment Type Contractor Minimum Experience Experienced Who are we:   Billigence is a boutique data consultancy with global reach, helping organisations transform the way they work with data. We specialise in delivering high-impact data solutions across Business Intelligence, Data Engineering, Data Governance, Cloud Data Platforms, and Advanced Analytics. Headquartered in Sydney with offices across the UK, Europe, and APAC, Billigence partners with organisations to design and implement modern data platforms that drive better decision-making and business outcomes. Our teams work on complex, enterprise-scale data programmes across a variety of industries including retail, financial services, and technology. About the role: Billigence is supporting a large-scale MDM transformation...
Contract Spy
Apr 23, 2026
6 Months or more
Salesforce Technical Architect at Handelsbanken, London, 12 Months, £Day Rate
Contract Spy London, England, United Kingdom
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...
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