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82 systems architect jobs found

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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 06, 2026
Duration not stated
Senior Java Developer at Synechron, London, £550-£600 per day
£550 - £600 per day
Contract Spy London, UK
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....
Contract Spy
May 06, 2026
Duration not stated
Mulesoft Architect - Enterprise Solutions at UST, Nottingham, £Contract Option
Contract Spy Nottingham, UK
Role description MuleSoft Architect Nottingham (Hybrid – 3 days per week onsite) Contract (Inside IR35) or Fixed‑Term Employment We are looking for a highly experienced MuleSoft Architect to design and deliver enterprise‑grade integration solutions using the MuleSoft Anypoint Platform. This is a strategic, hands‑on role where you will define integration architecture, lead complex implementations, and enable scalable, secure connectivity across core enterprise systems. You will act as a technical authority for integration, working closely with business stakeholders, architects, and delivery teams to ensure robust, future‑ready solutions.   The Role: Architect and lead end‑to‑end enterprise integration solutions using MuleSoft Anypoint Platform. Design and implement API‑led connectivity architectures, spanning Experience, Process, and System APIs. Develop scalable, high‑quality REST and SOAP APIs and reusable...
Contract Spy
May 06, 2026
Duration not stated
Salesforce OMS Architect - Enterprise Solutions at UST, Nottingham, £Contract Option
Contract Spy Nottingham, UK
Role description Salesforce OMS Architect Nottingham (Hybrid – 3 days per week onsite) Contract (Inside IR35) or Fixed‑Term Employment We are seeking an experienced Salesforce Order Management System (OMS) Architect to design and lead end‑to‑end order management solutions within a complex enterprise environment. This is a highly strategic and hands‑on role, focused on delivering scalable, resilient, and high‑performance order orchestration capabilities that support modern, omni‑channel commerce. You will act as the technical authority for OMS, shaping solution design, guiding implementation, and ensuring seamless integration across the wider commerce and fulfilment ecosystem.   The Role: Architect and lead the delivery of Salesforce OMS solutions across the full order lifecycle. Design and implement complex order flows including order orchestration, fulfilment, returns, cancellations, and exceptions. Configure...
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
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
Solution Architect at Inspired Thinking Group (ITG), Birmingham, £Contract Rate
Contract Spy Birmingham, UK
ITG require a talented Solutions Architect to work on the development of a range of web based products and tools.The focus for this role is on the development of websites driven by the Adobe Experience Manager CMS. The Solutions Architect will act as an internal Adobe AEM consultant, advising teams and clients on how best to develop customer-facing digital platforms and experiences, supporting and advising on projects and stakeholders that would like to take advantage of AEM’s capabilities. This support would be in the form of technical guidance and consultancy on recommended technical and architectural approaches to deliver a range of implementations, whether that is a small/skinny brochure site, through to larger scale more complex projects. As a Solutions Architect, candidates must be capable not only of supporting software development, but also demonstrate a firm grasp of the full Software Development lifecycle: requirements capture, planning, project...
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
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
Duration not stated
Senior .Net Backend Engineer at Reapit, Remote, £Competitive Day Rate (Outside IR35)
Contract Spy Remote (United Kingdom)
For this vacancy, we require senior .Net Engineers with experience working on AWS, and building advanced agentic workflows. Competitive day rates, outside IR35, fully remote.   Reapit – Who are we? Reapit is the original end-to-end business technology provider for estate agencies of all sizes. We’ve been helping sales and lettings agents build relationships and grow their businesses for more than 25 years. Our technology empowers property professionals across Europe, the Middle East, Australia, and New Zealand to work with buyers, sellers, tenants, and landlords to deliver a dream home experience. Worldwide, over 100,000 agents across more than 15,000 branches use Reapit to run their businesses, manage properties, collect rent, engage clients, and provide outstanding customer service every time.   What you’ll be doing Reporting to the Director of Engineering, you’ll operate as a highly senior, technically hands-on...
Contract Spy
Apr 29, 2026
Duration not stated
Microsoft Fabric BI Developer at Surrey Satellite Technology Limited, Guildford, £Contractor Rate
Contract Spy Guildford, UK
About the Role We’re looking for an individual with strong Microsoft Azure and Fabric experience who can manage, optimize, and develop our data platforms while delivering high-quality analytics through interactive dashboards and reports. This role spans data warehouse architecture, data model governance, ETL/ELT pipelines, and BI/reporting enablement—working closely with business stakeholders, SAP teams, and BI developers to turn data into actionable insights. Key Responsibilities Data Engineering & Cloud Architecture Fabric Ecosystem Management: Lead the design, implementation, and maintenance of the Microsoft Fabric environment, managing both Data Warehouses and Lakehouses to support diverse analytical workloads. Data Orchestration & ETL: Architect and monitor complex data pipelines using Azure Data Factory and SAP Datasphere to ensure seamless data movement from source systems to the Fabric ecosystem. Storage...
Contract Spy
Apr 29, 2026
Duration not stated
Expert Lead Azure Databricks Engineer at A2 Consultancy, Manchester, £400-£500 per day
£400 - £500 per day
Contract Spy Manchester, UK
Job Summary We are seeking an experienced and highly skilled Lead Azure Databricks Engineer to join our dynamic team. The successful candidate will be responsible for designing, developing, and leading complex data engineering solutions within the Azure cloud environment. This role offers an exciting opportunity to work on cutting-edge data projects, optimise data workflows, and mentor junior team members. The ideal applicant will possess extensive expertise in Azure Databricks, big data processing, and cloud architecture, ensuring the delivery of scalable and efficient data solutions that support strategic business objectives. Duties Lead the design and implementation of large-scale data pipelines using Azure Databricks, ensuring optimal performance and scalability. Collaborate with cross-functional teams including data scientists, analysts, and software engineers to develop integrated data solutions. Architect and optimise cloud-based data workflows,...
Contract Spy
Apr 28, 2026
Duration not stated
Mulesoft Architect - Enterprise Solutions at UST, Nottingham, £Contract Option
Contract Spy Nottingham, UK
Role description MuleSoft Architect Nottingham (Hybrid – 3 days per week onsite) Contract (Inside IR35) or Fixed‑Term Employment We are looking for a highly experienced MuleSoft Architect to design and deliver enterprise‑grade integration solutions using the MuleSoft Anypoint Platform. This is a strategic, hands‑on role where you will define integration architecture, lead complex implementations, and enable scalable, secure connectivity across core enterprise systems. You will act as a technical authority for integration, working closely with business stakeholders, architects, and delivery teams to ensure robust, future‑ready solutions.   The Role: Architect and lead end‑to‑end enterprise integration solutions using MuleSoft Anypoint Platform. Design and implement API‑led connectivity architectures, spanning Experience, Process, and System APIs. Develop scalable, high‑quality REST and SOAP APIs and reusable...
Contract Spy
Apr 28, 2026
Duration not stated
Salesforce OMS Architect - Enterprise Solutions at UST, Nottingham, £Contract Option
Contract Spy Nottingham, UK
Role description Salesforce OMS Architect Nottingham (Hybrid – 3 days per week onsite) Contract (Inside IR35) or Fixed‑Term Employment We are seeking an experienced Salesforce Order Management System (OMS) Architect to design and lead end‑to‑end order management solutions within a complex enterprise environment. This is a highly strategic and hands‑on role, focused on delivering scalable, resilient, and high‑performance order orchestration capabilities that support modern, omni‑channel commerce. You will act as the technical authority for OMS, shaping solution design, guiding implementation, and ensuring seamless integration across the wider commerce and fulfilment ecosystem.   The Role: Architect and lead the delivery of Salesforce OMS solutions across the full order lifecycle. Design and implement complex order flows including order orchestration, fulfilment, returns, cancellations, and exceptions. Configure advanced OMS...
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...
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