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Contractor software architect

22 software architect jobs found

CL
Jun 14, 2026  
Software Architect - SC Cleared
Software Architect - SC Cleared Rate: £70/hr Duration: Initially 12 Months Location: Newcastle Working Pattern: three days a week on site Clearance: SC Clearance required You will join a global defence consultancy, delivering digital transformation to a public sector agency. Responsibilities Work with System Architects to translate business goals and high-level requirements into robust software architectures, balancing performance, security, reliability, and compliance Design scalable, flexible, and maintainable architectures for complex geospatial systems using the latest modern cloud based technologies and tools Identify technical risks early and define pragmatic mitigation strategies Work in an AGILE scrum team, collaborating closely with software engineers, testers and the Product Owner, providing clear guidance and hands-on architectural support Collaborate with development teams to select appropriate technologies, frameworks, and patterns Ensure delivered solutions...
IR35 Status:
Unknown Status

CV-Library Newcastle upon Tyne, Tyne and Wear Contractor
CL
Jun 14, 2026  
Software Architect
Our client has an opportunity for a Software Architect to join them on a 12-month contract. Role: Software Architect Hourly Rate: £70 per hour Umbrella - inside IR35 Location: Newcastle Hours: Monday to Friday, 37 hours per week, 12-month contract Clearance: Security Clearance required to start Responsibiltes Work with System Architects to translate business goals and high-level requirements into robust software architectures, balancing performance, security, reliability, and compliance Design scalable, flexible, and maintainable architectures for complex geospatial systems using the latest modern cloud based technologies and tools Identify technical risks early and define pragmatic mitigation strategies Work in an AGILE scrum team, collaborating closely with software engineers, testers and the Product Owner, providing clear guidance and hands-on architectural support Collaborate with development teams to select appropriate technologies, frameworks, and patterns Ensure...
IR35 Status:
Inside IR35

CV-Library Newcastle upon Tyne, Tyne and Wear Contractor
CL
May 20, 2026  
Software Architect
Software Architect Certain Advantage is hiring for a Software Architect based in the Newcastle area. This role is on a contract basis and is hybrid-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Architect —someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: Translate business goals and high-level requirements into robust software architectures. Design scalable, flexible, and maintainable architectures for complex geospatial systems using the latest modern cloud-based technologies and tools Identify technical risks early and define...
IR35 Status:
Unknown Status

CV-Library Newcastle upon Tyne, UK Contractor
CL
Jun 13, 2026  
Building & Construction Project Leader
On behalf of our client, we are seeking a Building Construction Project Leader to join them on an initial 12-month contract basis. As the Building Construction Project Leader you will be responsible for setting up and leading CAPEX projects from inception and feasibility, through to design and specification and final handover. Role: Building Construction Project Leader Pay: £40 per hour via Umbrella Contract: Monday to Friday, 37 hours per week, 12 months Location: Newport IR35 Status: Inside SC Clearance: BPSS Responsibilities Develop, update/manage and monitor a project delivery plan. Identify and manage risks and opportunities. Manage CAPEX business cases from preparation through approval to delivery and project close. Develop detailed design briefs for Building Services design for a range of projects including major plant replacement and refurbishment works. Skilled and competent in IT tools, able to produce and present documentation, reports, technical analysis, cost...
IR35 Status:
Inside IR35

CV-Library Newport PO30, UK Contractor
CL
Jun 13, 2026  
Systems Integration and Test Engineer
Solutions Developer (Systems Integration & Test) £72.54 per hour (Inside IR35) 12 months Bristol - full time on site The Solution Developers will provide the core integration resource within a lab-based development environment, bringing with them a technical background in systems integration, communication systems engineering and networking. Typical duties include : * Integrating hardware and software components into tactical military communication systems. * Support the Solution Architect in creating the System Architecture and lower-level system and sub-system designs * Develop and integrate communication systems against designs. * Perform unit testing and debugging in support of verification and validation. * Support the Solution Tester in defining appropriate Tests. * Collaborating with wider project and engineering stakeholders to realise requirements into solutions. Knowledge: ▪ Windows/Linux based management systems responsible for the provisioning of...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 12, 2026  
Application Architect - Modernisation project
Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start Role - Application Architect Duration - 6 months with very likely extension Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office Rate - £750 per day (Inside IR35) Experience - In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle. Good understanding of MS .NET Framework environments. Knowledge and experience of Agile methodology Knowledge of Cloud and AI technologies that can be adopted into the workplace Extensive experience working as a software and solutions architect. Experience in designing of high-level concepts for software solutions. Experience in development of Azure cloud-based as well as on-prem solutions. DevOps and SCRUM experience Experience in Cloud migration planning and executionTasks - Create and improve architectural standards for on premise and azure cloud software products,...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 12, 2026  
Architect/Architectural Technologist (Exeter)
Architect/Architectural Technologist - Exeter Contract Duration: 12 months Hours: 37.5 per week Vetting Level: BPSS Overview A leading global professional services and project management organisation specialising in engineering and infrastructure delivery is seeking a talented Architect or Architectural Technologist to join its Exeter team on a temporary contract. This role sits within a multidisciplinary environment supporting complex built environment projects across sectors including education, commercial, defence, energy and residential. Role Summary The successful candidate will play a key role in design delivery, coordination and technical leadership across a broad range of projects. They will work collaboratively with internal teams and external stakeholders, contributing to high‑quality outcomes from concept through to delivery. This position offers the opportunity to lead design work in a supportive, integrated multidisciplinary setting. Responsibilities Lead and...
IR35 Status:
Unknown Status

CV-Library Exeter, Devon Contractor
CL
Jun 12, 2026  
ServiceNow Architect TSM
ServiceNow Architect wanted with Telecommunications experience to work on a project implementing a new TSM module. You will be working across ServiceNow Telecommunications Service Management (TSM) and involved in the architecture and end-to-end solutions within the ServiceNow TSM module, aligning with ITOM, ITIL, and CMDB/CSDM standards. Translating business requirements into technical blueprints, overseeing development teams to implement scalable, automated telecom operations, including network inventory, service assurance, and OSS/BSS integrations. * Hybrid work in London * OUTSIDE IR35 / £500 - £600 per day * 6 months contract with extension (long-term project) Key Responsibilities * Architecture & Design: Define the technical roadmap, architecture, and design for TSM modules (service life-cycle management, order management, network inventory). * Implementation & Integration: Architect complex integrations with BSS/OSS systems, using REST, SOAP, and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 12, 2026  
Graduate Full Stack Developer
We have an exciting opportunity for a Graduate Full Stack Developer to join a growing software house on a three-month internship, with the potential of this role going permanent. Our client is UK based AI transformation company pioneering a new category. This is combining AI Systems, modular software and strategic execution into deployable solutions for enterprise clients. The Project: Working on a greenfield build on Ms Azure, the successful candidate will focus on building a secure, scalable platform from the ground up. The system will support complex workflows, secure data management and multi – organisation collaboration within a regulated environment. The team is intentionally small (architect + senior engineers), so we’re looking for developers who are comfortable taking ownership across the stack rather than working in highly siloed roles. Responsibilities: * Strong full stack engineering capability (backend-heavy preferred) * Build React frontends and Python...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Jun 11, 2026  
Network Architect
Network Architect (SC Cleared) 📍 Location: Remote 📄 Duration: 6 Months Contract + Extension 💰 Rate: £50.00 to £70.00 per hour (Inside IR35) 🔒 Security: Active SC Clearance Required A major global IT systems integrator is seeking an experienced Network Architect to support a high-profile, secure public sector transition project. In this role, you will act as the key design authority, translating complex client requirements into robust, high-quality network infrastructure. This is highly collaborative, where you will bridge the gap between initial concepts and technical execution. Key Responsibilities Author and deliver comprehensive High-Level Design (HLD) and Low-Level Design (LLD) documentation, guiding them through internal and stakeholder approval processes. Lead network projects from a design perspective, ensuring all technical deliverables are met with precision. Work closely with Network Engineers and the wider infrastructure team to coordinate the successful...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Jun 11, 2026  
Solutions Architecture
ICT Solution Architect (Applications) - DV Cleared Location: London (Hybrid - 3 days onsite) Rate: £650 - £701 per day (Umbrella) Contract: Long-term Contract Clearance: Active DV Clearance Required We are seeking an experienced ICT Solution Architect to support a major secure technology programme within a complex enterprise environment. This is a senior architecture-led role requiring a strong hands-on engineering background combined with excellent stakeholder and governance capabilities. You will be responsible for designing secure, resilient technical solutions across multiple projects, translating business requirements into scalable architectures, and providing oversight across engineering delivery teams. Key Responsibilities Produce ?As-Is? and ?To-Be? solution designs Lead architecture and technical governance activities Create technical documentation and architecture diagrams Support engineering delivery across multiple programmes Manage technical stakeholders and...
IR35 Status:
Outside IR35

CV-Library South West London, London Contractor
CL
Jun 17, 2026  
Project Manager
Job Description: Project Manager ( RC Frame work experience ) - Beckenham Project duration: Ongoing Salary: £300 per shift Job Type: Full-time, Temporary Site Hours: 08.00am - 18.00pm UKR Group is looking for an experienced Project Manager with RC Frames experience to start ASAP in a job in Beckenham. Responsibilities: · Lead, plan, and oversee construction projects from concept to completion, ensuring they are delivered on time, within scope, and within budget. · Develop detailed project programmes, including schedules, milestones, resource allocation, and procurement plans. · Liaise with architects, engineers, surveyors, contractors, and clients to ensure project requirements are clearly defined and met. · Manage on-site operations, including supervising site managers, subcontractors, and labour teams. · Ensure compliance with health and safety regulations, building codes, and environmental standards. · Monitor construction progress, carry out site inspections, and...
IR35 Status:
Unknown Status

CV-Library Bromley, Greater London Contractor
CL
Jun 17, 2026  
Senior Structural Engineer
Senior Structural Engineer Location: North Kent Rate: £40-50 per-hour Contract Length: 6 months (potential extension) Arrangement: Hybrid An exciting opportunity has arisen for an experienced Senior Structural Engineer to join a growing consultancy working with some of the UK's largest retailers and developers. The business has a strong and varied pipeline of work across the food and retail, healthcare, commercial, and residential sectors, offering the successful candidate the opportunity to work on a wide range of technically challenging projects. This is an excellent opportunity for a motivated engineer looking to further develop their technical expertise while working within a collaborative and forward-thinking environment. The Role ·Undertaking detailed structural engineering design across a variety of projects including food & retail, healthcare, commercial, and residential developments ·Preparing technical reports, calculations, and presentations following site...
IR35 Status:
Unknown Status

CV-Library Kent, UK Contractor
CL
Jun 14, 2026  
Building and Construction Project Lead
Building & Construction Project Leader Location: UK (site‑based with some flexibility) Type: Contract Sector: Facilities Management / Building Services / Capital Projects Pay Rate: £40.00 per hour Umbrella or £30.23 Per hour PAYE Contract: Inside: IR35 12 Month contract The Role We are seeking an experienced Building & Construction Project Leader to lead the delivery of CAPEX building services projects from feasibility through to handover. This is a key role responsible for managing multi‑functional project teams and delivering mechanical and electrical refurbishment and plant replacement projects within live operational environments. The successful candidate will play a critical role in ensuring projects are delivered safely, compliantly, on time, and to budget, while maintaining excellent client relationships and adhering to internal governance and procedures. Key Responsibilities Lead and manage CAPEX projects from inception, feasibility, and business case...
IR35 Status:
Unknown Status

CV-Library Belfast, County Antrim Contractor
CL
Jun 14, 2026  
Building & Construction Project Leader
Building & Construction Project Leader - Defence Sector £40.00 per hour INSIDE IR35 (Umbrella) 12‑month contract BPSS+ Clearance required (SC highly advantageous) UK Nationals only - Due to nature of work This role offers the opportunity to lead complex, high‑value construction and building services projects within a secure defence environment. The Building & Construction Project Leader will take ownership of CAPEX projects from initial feasibility through to design, delivery and final handover, driving outcomes that support critical national infrastructure. Role Overview The Project Leader will guide multi‑disciplinary teams, shape engineering solutions, and ensure projects are delivered safely, efficiently and to the highest technical standards. This position suits a confident, experienced Project Manager who thrives in environments where stakeholder engagement, technical insight and decisive leadership are essential. Key Responsibilities Establish and lead...
IR35 Status:
Inside IR35

CV-Library Newport PO30, UK Contractor
CL
Jun 11, 2026  
Senior AI Engineer Manager/Associate Director | Capital Markets
Senior AI Engineer Manager/Associate Director | Capital Markets Location: Manchester Working pattern: Hybrid Salary: Compensation aligned to experience and seniority Ref: J13116 Senior AI Engineering professionals are required to support the design, build and delivery of advanced AI solutions within financial services and capital markets environments. This role would suit an experienced professional with a strong background in AI engineering and enterprise solution delivery within complex environments. You will play a key role in shaping AI strategy, leading teams and delivering enterprise AI solutions, helping organisations solve complex operational, technical and regulatory challenges through AI adoption at scale. You will work across multidisciplinary teams, collaborating with data scientists, architects, MLOps/LLMOps engineers, business stakeholders and senior leadership to design, deliver and scale AI products, agentic AI solutions and data driven applications. Key...
IR35 Status:
Unknown Status

CV-Library Manchester, UK Contractor
CL
May 23, 2026  
Architectural Technologist (3-6 month contract)
Mid-Senior level Architectural Technologist or Technician required to join one of Manchester's most well-respected and most forward-thinking Architectural practices. This is based on an initial 3-6month contract of employment. This reputable firm of Architects have gone from strength to strength in recent years and have continued to expand and diversify their business across a wide range of project types including: Colleges, University buildings and various Education-sector schemes. Also: Offices, Leisure schemes, care homes, private housing and volume residential are typical projects you will encounter here. They are looking to further expand and strengthen their Education-sector team with the hiring of a good Architectural Technologist. The role would be best suited to either an Architectural Technologist or Architectural Technician with a minimum of 3 years practical experience; preferably working with a UK based practice/developer. Please review the following criteria to see...
IR35 Status:
Unknown Status

CV-Library Manchester, UK Contractor
CL
May 16, 2026  
Senior Electrical Design Engineer
An excellent opportunity has arisen for an experienced Electrical Design Engineer to join a well-established building services consultancy in London on an contract basis outside IR35. This hybrid role will involve working as part of a multidisciplinary building services engineering team, supporting the delivery of electrical design solutions across a range of building projects. The successful Electrical Design Engineer will contribute to the development of electrical building services designs, technical documentation and coordinated BIM models. This role is based in the London office with hybrid working available, offering the chance to work on high-quality building services projects alongside experienced engineers and consultants. Key Responsibilities · As an Electrical Design Engineer, your responsibilities will include: · Producing electrical building services designs for a variety of building projects · Developing electrical schematics, layouts and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 14, 2026  
Building & Construction Project Lead - 2968
Building Construction Project Leader Portsmouth £40 per hour + overtime initially 12 months 1-stage interview Mon-Fri (flexible working hours) Advantage Resourcing is working in partnership with a large engineering company that operates within the aerospace industry and is currently seeking an experienced Building Construction Project Leader who will be responsible for setting up and leading CAPEX projects from inception and feasibility, through to design and specification and final handover. What will you be doing: • Lead the team through the detailed design of Building Services for a range of projects including major plant replacement and refurbishment works. • An awareness of the associated maintenance and operation of engineering services including condition surveys, service delivery audits and preparing plant replacement/life cycle plans would be a distinct advantage. • Application of industry standard design and calculation software • Liaising with clients,...
IR35 Status:
Unknown Status

CV-Library Portsmouth, UK Contractor
CL
Mar 12, 2026  
C# / C++ Software Engineer
World Class Defence Organisation is currently looking to recruit 5x C# / C++ Software Engineer subcontractors on an initial 12 month contract.  Desktop C# is the expertise the department are looking for; with some experience with C++ but doesn’t need to be overly extensive. Job Title: C# / C++ Software Engineer Rate: £65.00 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage or Bristol (depending on your preference) Hybrid / Remote working: The role will be a hybrid role of 3 or 4 days per week onsite Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) C# / C++ Software Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle.   The team integrate real products, models...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
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