33 technical architect jobs found

SC Technical Architect (C3I Interoperability) - Contract (Outside IR35) Rate: £550 - £650 Per day (Outside IR35) Contract: Initial 3 months (extension possible) Location: Portsmouth/South Coast (mostly remote, with 1-2 days on-site per month ) Clearance: Active SC required Start: ASAP Interview process: Likely 1 stage A UK defence programme is seeking an SC-cleared Technical Architect to support the development of a next-gen C3I interoperability reference architecture . This role is ideal for an architect who enjoys defining standards, producing high-quality architecture artefacts, and supporting technical governance and customer assurance. What you'll be doing Helping define and evolve the reference architecture from early-stage foundations Creating/enforcing platform-wide standards for interoperability, security, deployment and operational observability Providing architecture input into engineering implementation teams Producing architecture...

API Migration Enterprise Platform Transition £500 per day Outside IR35 Start: 16/03/2026 End: 31/05/2027 Fully Remote I’m supporting a major public-sector digital transformation programme and looking for an experienced Technical Architect  to lead a large-scale API migration project. Key Experience Required: Strong background as a Technical Architect within complex enterprise or government environments Hands-on experience migrating APIs between platforms (legacy to modern) Deep understanding of integration patterns, service architecture, and platform interoperability Ability to work closely with engineering teams to define technical standards and drive delivery Experience with large distributed systems or data-heavy platforms Role Overview: Lead the architecture for a significant API migration programme Define integration strategies, solution patterns, and technical standards Ensure solutions meet requirements for performance, scalability, and...

*Technical Architect - initial 6-month contract - Newcastle-Upon-Tyne - £market rate* Please note, this role is deemed outside IR35. A leading UK-based software provider in the healthcare sector is undertaking a major transformation of its long-established System. The organisation is migrating a large, mature, Windows-based monolithic application into a modern, scalable, 3-tier architecture. To support this evolution, an experienced Contract Technical Architect is required to guide the architectural vision, define the technology stack, and support the phased transition strategy. Background The existing platform is a Windows desktop application built with Legacy technologies and contains over one million lines of code. It supports a broad customer base who integrate various third-party systems. A patient-facing web portal also exists, enabling appointment scheduling and limited patient/document management, connecting directly with each practice's database whether cloud-hosted or...

ERP Infor Test Architect/Test Technical SME 6-month initial contract with scope to extend £450 - £500 per day Belfast 2x days a week Outside IR35 I am currently working with a client who requires a Test Architect/Testing SME to provide technical authority and guidance for the implementation of an Infor ERP solution. Please note: Candidates without Infor ERP experience will not be considered. Serve as the technical Subject Matter Expert (SME) for testing activities across Infor ERP implementations and system enhancements. Provide hands-on testing expertise for Infor modules, including M3, LN, and CloudSuite. Develop, review, and optimise test frameworks, automation strategies, and reusable test assets. Advise teams on testing tools, standards, methodologies, and best practices. Diagnose and resolve complex testing and environment-related issues. Contribute to integration, regression, and User Acceptance Testing (UAT) efforts. Partner with...

ERP Infor Test Architect/ Test Technical SME 6-month initial contract with scope to extend £450 - £500 per day Belfast 2x days a week Outside IR35 I am currently working with a client who requires a Test Architect/ Testing SME to provide technical authority and guidance for the implementation of an Infor ERP solution. Please note: Candidates without Infor ERP experience will not be considered. Serve as the technical Subject Matter Expert (SME) for testing activities across Infor ERP implementations and system enhancements. Provide hands-on testing expertise for Infor modules, including M3, LN, and CloudSuite. Develop, review, and optimise test frameworks, automation strategies, and reusable test assets. Advise teams on testing tools, standards, methodologies, and best practices. Diagnose and resolve complex testing and environment-related issues. Contribute to integration, regression, and User Acceptance Testing (UAT) efforts. Partner with...

SC Solution Architect (C3I Interoperability) - Contract (Outside IR35) Rate: £500-£650/day (all-in) Contract: Initial 3 months (extension possible) Location: Portsmouth / South Coast (mostly remote, with 1-2 days on-site per month ) Clearance: Active SC required Start: ASAP Interview process: Likely 1 stage A leading UK defence technology programme is looking for an SC-cleared Solution Architect to take a hands-on technical leadership role, shaping a next-generation C3I (Command, Control, Communications & Intelligence) interoperability reference architecture . This is a delivery-focused position where you'll set architectural direction, work closely with engineering teams, and help take early concepts / PoCs into hardened, production-grade patterns. What you'll be doing Leading the solution architecture across a C3I interoperability reference architecture Translating operational context into high-level designs for engineering delivery...

Senior Full-Stack Software Engineer (AI/ML Specialist) Contract role, 12 months duration Rate- £500/day Outside ir35, fully work from Home The role is with one of our Global Clients looking for a Senior Full-Stack Software Engineer with deep expertise in AI-powered application development to join their team. This is a senior individual contributor role with opportunities to work on complex, high-impact AI projects across Azure cloud infrastructure, and AI/ML platforms. Responsibilities: - Design and build scalable, enterprise-grade full-stack multi-agent , agentic AI applications using modern frameworks including Python, Next.js, TypeScript and Node.js. Architect and integrate AI/ML capabilities including RAG pipelines, AI agent orchestration, and LLM-powered features using OpenAI, Azure OpenAI, and LangChain/LangGraph Lead technical design decisions across API design, microservices architectures, translating complex business requirements into clean,...

SC Solution Architect (C3I Interoperability) - Contract (Outside IR35) Rate: £500-£650/day (all-in) Contract: Initial 3 months (extension possible) Location: Portsmouth/South Coast (mostly remote, with 1-2 days on-site per month ) Clearance: Active SC required Start: ASAP Interview process: Likely 1 stage A leading UK defence technology programme is looking for an SC-cleared Solution Architect to take a hands-on technical leadership role, shaping a next-generation C3I (Command, Control, Communications & Intelligence) interoperability reference architecture . This is a delivery-focused position where you'll set architectural direction, work closely with engineering teams, and help take early concepts/PoCs into hardened, production-grade patterns. What you'll be doing Leading the solution architecture across a C3I interoperability reference architecture Translating operational context into high-level designs for engineering delivery Turning...

Infrastructure/Cloud (AWS) Platform Architect, Outside IR35 Remote working (once per month on site) Outside of IR35. £500-£700 per day Our client, a leading financial services organisation, is looking to hire a Cloud Architect with an Infrastructure Architect background. The primary purpose of the role is to own and develop the technical architecture for our client's infrastructure. Responsible for leading, developing and optimising infrastructure platforms to support our client's digital strategy. The successful candidate will focus on ensuring the technical architecture supports security, scalability, reliability and cost effectiveness across platforms. The role holder will have technical authority for infrastructure architecture topics and will collaborate with the wider digital technology, engineering and architecture teams. General responsibilities: - Mature infrastructure technical architecture, defining architectural standards and best practices for...

Posted February 25, 2026 £500 - £700 per day City of London Contract Infrastructure/Cloud (AWS) Platform Architect, Outside IR35 Remote working (once per month on site) Outside of IR35. £500-£700 per day Our client, a leading financial services organisation, is looking to hire a Cloud Architect with an Infrastructure Architect background. The primary purpose of the role is to own and develop the technical architecture for our client’s infrastructure. Responsible for leading, developing and optimising infrastructure platforms to support our client’s digital strategy. The successful candidate will focus on ensuring the technical architecture supports security, scalability, reliability and cost effectiveness across platforms. The role holder will have technical authority for infrastructure architecture topics and will collaborate with the wider digital technology, engineering and architecture teams. General responsibilities: –...

Infrastructure/Cloud (AWS) Platform Architect, Outside IR35 Remote working (once per month on site) Outside of IR35. £500-£700 per day Our client, a leading financial services organisation, is looking to hire a Cloud Architect with an Infrastructure Architect background. The primary purpose of the role is to own and develop the technical architecture for our client's infrastructure. Responsible for leading, developing and optimising infrastructure platforms to support our client's digital strategy. The successful candidate will focus on ensuring the technical architecture supports security, scalability, reliability and cost effectiveness across platforms. The role holder will have technical authority for infrastructure architecture topics and will collaborate with the wider digital technology, engineering and architecture teams. General responsibilities: - Mature infrastructure technical architecture, defining architectural standards and best practices for...

Infrastructure/Cloud (AWS) Platform Architect, Outside IR35, Hybrid Hybrid - 1 day per week on site in Bristol. Outside of IR35. £500-£700 per day Our client, a leading organisation based in Bristol, is looking to hire a Cloud Architect with an Infrastructure Architect background. The primary purpose of the role is to own and develop the technical architecture for our client's infrastructure. Responsible for leading, developing and optimising infrastructure platforms to support our client's digital strategy. The successful candidate will focus on ensuring the technical architecture supports security, scalability, reliability and cost effectiveness across platforms. The role holder will have technical authority for infrastructure architecture topics and will collaborate with the wider digital technology, engineering and architecture teams. General responsibilities: - Mature infrastructure technical architecture, defining architectural standards and best practices for...

Infrastructure/Cloud (AWS) Platform Architect, Outside IR35, Hybrid Hybrid - 1 day per week on site in Bristol. Outside of IR35. £500-£700 per day Our client, a leading organisation based in Bristol, is looking to hire a Cloud Architect with an Infrastructure Architect background. The primary purpose of the role is to own and develop the technical architecture for our client's infrastructure. Responsible for leading, developing and optimising infrastructure platforms to support our client's digital strategy. The successful candidate will focus on ensuring the technical architecture supports security, scalability, reliability and cost effectiveness across platforms. The role holder will have technical authority for infrastructure architecture topics and will collaborate with the wider digital technology, engineering and architecture teams. General responsibilities: - Mature infrastructure technical architecture, defining architectural standards and best practices for...

Principal DevOps Engineer - 6 months - Remote - Outside IR35 We are seeking an experienced Principal DevOps Engineer to support the design, optimisation, and governance of our delivery platform and engineering workflows. This role sits at the intersection of hands-on DevOps, technical architecture, and delivery strategy. You will take ownership of CI/CD pipelines, tooling, and developer experience. Key Responsibilities Design, build, and optimise CI/CD pipelines and release processes Own and enhance engineering and project onboarding Review and assess current architecture for fitness-for-purpose and scalability Define and implement best practices for DevOps, automation, and delivery Lead the setup and optimisation of Jira for tracking, reporting, and governance Support the sizing and structuring of delivery teams for upcoming projects Improve developer experience, tooling, and productivity Work closely with engineering, product, and leadership teams...

D365BC Functional Lead/Architect - 6 Months - Outside IR35 - £500p/d An established end-user organisation is delivering a Microsoft Dynamics 365 Business Central (BC) implementation and requires a senior Functional Lead / Solution Architect to own solution design, configuration and delivery across core finance and operational workstreams. This is a hands on role, bridging business stakeholders and the SI, ensuring the system is fit-for-purpose and aligned to operational goals. Key Responsibilities: Lead functional design across D365 BC implementation Own end-to-end configuration, build, testing and deployment of new solutions and fixes Act as internal solution authority across Finance and Projects Translate business requirements into scalable BC designs Oversee UAT, manage defects and support go-live readiness Provide governance across P2P, R2R, OTC and Projects (Jobs module) Partner with technical resources on integrations and data migration Develop...

D365BC Functional Lead/Architect - 6 Months - Outside IR35 - £500p/d An established end-user organisation is delivering a Microsoft Dynamics 365 Business Central (BC) implementation and requires a senior Functional Lead / Solution Architect to own solution design, configuration and delivery across core finance and operational workstreams. This is a hands on role, bridging business stakeholders and the SI, ensuring the system is fit-for-purpose and aligned to operational goals. Key Responsibilities: Lead functional design across D365 BC implementation Own end-to-end configuration, build, testing and deployment of new solutions and fixes Act as internal solution authority across Finance and Projects Translate business requirements into scalable BC designs Oversee UAT, manage defects and support go-live readiness Provide governance across P2P, R2R, OTC and Projects (Jobs module) Partner with technical resources on integrations and data migration Develop...

Full Stack Web Developer | Remote | £450 - £500/day We're working with a scaling digital transformation consultancy on this exciting opportunity. We are looking for a heavy-hitting Full Stack Developer to take the reins of a revenue-critical portal suite, driving a high-impact transition from legacy systems to a cutting-edge, cloud-native architecture across AWS and Azure. This is a hands-on, high-autonomy contract role where you will act as the primary technical owner for customer-facing web portals. You’ll be bridging the gap between product vision and technical execution, leveraging PHP, SQL, and modern JavaScript to build scalable, secure, and high-performance solutions in a fast-paced SME environment. The Role Lead the technical evolution and modernization of core web portals hosted on WP Engine, transitioning toward modern cloud-native standards. Architect and deliver full-stack enhancements across the UI, database layer, and infrastructure using PHP,...

D365BC Functional Lead/Architect - 6 months - Outside IR35 - £500p/d An established end-user organisation is delivering a Microsoft Dynamics 365 Business Central (BC) implementation and requires a senior Functional Lead/Solution Architect to own solution design, configuration and delivery across core finance and operational workstreams. This is a hands on role, bridging business stakeholders and the SI, ensuring the system is fit-for-purpose and aligned to operational goals. Key Responsibilities: Lead functional design across D365 BC implementation Own end-to-end configuration, build, testing and deployment of new solutions and fixes Act as internal solution authority across Finance and Projects Translate business requirements into scalable BC designs Oversee UAT, manage defects and support go-live readiness Provide governance across P2P, R2R, OTC and Projects (Jobs module) Partner with technical resources on integrations and data migration Develop...

Telecommunications IT Systems Solutions Architect 📍 London (2 days onsite, 3 days remote) 💼 Contract – Initial 6 Months (Extension Likely) 💰 £400–£450 per day (Outside IR35) 🚀 Start: ASAP We are currently seeking an experienced IT Systems Solutions Architect to join a dynamic programme delivering large-scale systems and integration solutions. This is an exciting opportunity to play a key role in shaping end-to-end architecture across complex technology landscapes. IT Systems Solutions Architect Key Responsibilities: Lead end-to-end architectural design across multiple systems (HLD & LLD) Drive BSS platform architecture and integration strategy Design and oversee API development and system integrations Collaborate across Product, Data, and Application teams to deliver scalable solutions Provide technical leadership across solution design and implementation IT Systems Solutions Architect Key Skills & Experience: Strong end-to-end...

D365 Field Service Consultant (Hands-On) Permanent or Contract UK Based Hybrid Permanent up to £67,000 Contract up to £500 per day (Outside IR35) D365 Field Service Consultant is required for a UK-based housing and property services organisation delivering large-scale digital transformation across its operational and field engineering functions. The organisation is bringing more capability in-house and investing heavily in its Microsoft ecosystem to improve service delivery, scheduling efficiency, and customer outcomes. Important: This is not an Architect role. They are specifically looking for a hands-on consultant/developer who is comfortable working at configuration and functional level - someone practical, delivery-focused, and happy to get into the detail. The Role You will play a key role in enhancing and optimising Microsoft Dynamics 365 Field Service across operational teams. The environment is already live, and the focus is on continuous improvement,...