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Contractor lead software engineer

51 lead software engineer jobs found

CL
Sep 09, 2026  
Lead Software Engineer
Lead Software Engineer - Contractor inside IR35 📍 Remote (UK) | 🔐 BPSS Required | 🏛️ Public Sector Experience Essential | 6 month contract (liklihood of extension) - inside IR35 🌟 About Amber Labs Amber Labs is a leading UK and European technology consultancy delivering secure, user-centred digital services for government and public sector organisations. We foster a culture of collaboration, autonomy, and continuous learning, giving our teams the opportunity to solve complex challenges using modern technologies while delivering meaningful outcomes for citizens. 💻 About the Role We're looking for an experienced Lead Software Engineer to provide technical leadership across major public sector programmes. This is a hands-on role where you'll lead engineering teams, shape technical direction, mentor developers, and help deliver secure, scalable, and accessible digital services. You'll work closely with multidisciplinary teams to drive engineering excellence and ensure solutions...
IR35 Status:
Inside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Sep 09, 2026  
Lead Software Engineer
Lead Software Engineer - Contractor inside IR35 📍 Remote (UK) | 🔐 BPSS Required | 🏛️ Public Sector Experience Essential | 6 month contract (liklihood of extension) - inside IR35 🌟 About Amber Labs Amber Labs is a leading UK and European technology consultancy delivering secure, user-centred digital services for government and public sector organisations. We foster a culture of collaboration, autonomy, and continuous learning, giving our teams the opportunity to solve complex challenges using modern technologies while delivering meaningful outcomes for citizens. 💻 About the Role We're looking for an experienced Lead Software Engineer to provide technical leadership across major public sector programmes. This is a hands-on role where you'll lead engineering teams, shape technical direction, mentor developers, and help deliver secure, scalable, and accessible digital services. You'll work closely with multidisciplinary teams to drive engineering excellence and ensure solutions...
IR35 Status:
Inside IR35

CV-Library Newcastle upon Tyne, Tyne & Wear Contractor
CL
Sep 09, 2026  
Lead Software Engineer
Lead Software Engineer - Contractor inside IR35 📍 Remote (UK) | 🔐 BPSS Required | 🏛️ Public Sector Experience Essential | 6 month contract (liklihood of extension) - inside IR35 🌟 About Amber Labs Amber Labs is a leading UK and European technology consultancy delivering secure, user-centred digital services for government and public sector organisations. We foster a culture of collaboration, autonomy, and continuous learning, giving our teams the opportunity to solve complex challenges using modern technologies while delivering meaningful outcomes for citizens. 💻 About the Role We're looking for an experienced Lead Software Engineer to provide technical leadership across major public sector programmes. This is a hands-on role where you'll lead engineering teams, shape technical direction, mentor developers, and help deliver secure, scalable, and accessible digital services. You'll work closely with multidisciplinary teams to drive engineering excellence and ensure solutions...
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
Sep 09, 2026  
Lead Software Engineer
Lead Software Engineer - Contractor inside IR35 📍 Remote (UK) | 🔐 BPSS Required | 🏛️ Public Sector Experience Essential | 6 month contract (liklihood of extension) - inside IR35 🌟 About Amber Labs Amber Labs is a leading UK and European technology consultancy delivering secure, user-centred digital services for government and public sector organisations. We foster a culture of collaboration, autonomy, and continuous learning, giving our teams the opportunity to solve complex challenges using modern technologies while delivering meaningful outcomes for citizens. 💻 About the Role We're looking for an experienced Lead Software Engineer to provide technical leadership across major public sector programmes. This is a hands-on role where you'll lead engineering teams, shape technical direction, mentor developers, and help deliver secure, scalable, and accessible digital services. You'll work closely with multidisciplinary teams to drive engineering excellence and ensure solutions...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Sep 09, 2026  
Lead Software Engineer (Fixed Term)
Lead Software Engineer (Fixed Term) When registering to this job board you will be redirected to the online application form. Please ensure that this is completed in full in order that your application can be reviewed. Within your role as a Lead Engineer, no two days will look the same; with a variety of projects, there’s always something new to learn. You will be joining an already established and talented team, comprised of Graduate Engineers through to Solution Architects helping to enhance existing and develop new products! You will be provided a clear, individual career path with full training, support and mentorship as required to ensure you are reaching your full potential and mastering your field. At Microlise, there is no limit to the personal and professional development opportunities available. We know the importance of a good work/life balance, so offer flexible working opportunities with a low overtime culture; there’s a reason our average length of service is 7+...
IR35 Status:
Unknown Status

CV-Library NG16, Langley Mill, Derbyshire Contractor
CL
Aug 25, 2026  
Software Test Engineer / Lead – Outside IR35
Software Test Engineer / Lead – Outside IR35 My client is the fastest growing technology company who is seeking a Software Test Engineer / Lead for an initial 12-month contract. As a Software Test Engineer / Lead you should have experience with both Manual and Automated Testing, Regression Testing or Performance Testing. As a team player you will be liaising with other multi-functional testers and software designer / developers to understand the business requirements and product functionality, You will be involved in software test spec, manual test cases, automated test scripts and performance testing solutions that will need to be implemented throughout the delivery pipeline. Involvement in production and maintenance of system testing and systems integration of hardware and software components through to resolution of all faults found in the software. You will ideally be degree educated in an engineering or science subject, with a good IT content and ISTQB® certification is...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Sep 10, 2026  
DevOps Consultant - DV Cleared
DevOps Consultant +9 months + +DV cleared +Hybrid 2 days a week on site in Corsham +Inside IR35 +£650 - £700 a day Key Skills: + Terraform + DV Clearance We're looking for an experienced DevOps Consultant to join a high-profile UK Government programme, designing and delivering secure DevOps platforms within highly secure, air-gapped environments. This is an opportunity to play a key role in shaping the DevOps capability that underpins critical national infrastructure, working with modern tooling and providing technical leadership across architecture, automation and platform assurance. The Role You'll lead the design, implementation and ongoing assurance of secure DevOps tooling, ensuring solutions meet stringent security and accreditation standards while enabling efficient software delivery in disconnected environments. Key Responsibilities Architect and implement secure DevOps platforms using GitLab, Jira, Confluence and Ansible Design integrated CI/CD solutions...
IR35 Status:
Inside IR35

CV-Library Corsham, Wiltshire Contractor
CL
Sep 10, 2026  
Structures Manager - Highways & Infrastructure
Structures Manager - Highways & Infrastructure Location: Bristol Area - Hybrid, 3 days per week in the office Rate: Up to £60 per hour Contract: Initial 6 months Hours: Full-time Carrington West is supporting a major organisation with the appointment of an experienced Structures Manager to lead the management, maintenance and strategic development of a diverse highway structures and infrastructure asset portfolio. This is a senior contract position with responsibility for bridges, retaining walls, culverts, road restraint systems and geotechnical assets, combining technical leadership with strategic asset management and significant capital programme responsibility. Key Responsibilities ·Lead and develop a multidisciplinary team of senior engineers, engineers and technicians. ·Manage inspection, maintenance and improvement programmes across highway and open space structures. ·Provide expert technical advice on complex infrastructure, highways and development projects....
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
Sep 10, 2026  
Systems Engineer
Systems Engineer (Various Grades) Location: New Malden  Salary: £50,000 - £70,000.  Work Model: Hybrid (3 days in the office per week).  What You’ll Do  Deliver Systems Engineering Projects Lead and contribute to the technical delivery of multidisciplinary systems engineering projects, with a particular focus on maritime platforms, systems and domains, while maintaining awareness of defence, aerospace, nuclear and other regulated sectors.  Develop Internal Capability Shape and refine engineering processes, tools, and best practices to enhance RC Fornax’s systems engineering capability.  Collaborate Across Functions Work closely with project managers, software engineers, and business development teams to ensure integrated delivery.  Support Business Growth Engage in proposal development, client interaction, and knowledge sharing to support strategic growth and professional development.  What You’ll Bring  Systems Engineering Expertise Solid foundation in systems...
IR35 Status:
Unknown Status

CV-Library Greater London, UK Contractor
CL
Sep 10, 2026  
Systems Engineer
Systems Engineer (Various Grades) Location: New Malden  Salary: £50,000 - £70,000.  Work Model: Hybrid (3 days in the office per week).  What You’ll Do  Deliver Systems Engineering Projects Lead and contribute to the technical delivery of multidisciplinary systems engineering projects, with a particular focus on maritime platforms, systems and domains, while maintaining awareness of defence, aerospace, nuclear and other regulated sectors.  Develop Internal Capability Shape and refine engineering processes, tools, and best practices to enhance RC Fornax’s systems engineering capability.  Collaborate Across Functions Work closely with project managers, software engineers, and business development teams to ensure integrated delivery.  Support Business Growth Engage in proposal development, client interaction, and knowledge sharing to support strategic growth and professional development.  What You’ll Bring  Systems Engineering Expertise Solid foundation in systems...
IR35 Status:
Unknown Status

CV-Library New Malden, UK Contractor
CL
Sep 09, 2026  
Senior Systems Engineer
We have an opportunity for an experienced Senior System Engineer to work for our global client based in Cambourne, Cambridgeshire. Our clients’ Technology Solutions division is evolving. They are moving to a Product Operating Model – a new way of working that empowers product teams to take full ownership and accountability for delivering customer and business value in ways customers love and that work for the business. Our client’s product and platform teams are cross-functional and durable, bringing together all the skills required to deliver impactful outcomes. Each team includes a Product Manager, Technology Lead, Product Designer, Delivery Lead, engineers, and developers. Our client believes in customer centricity, ownership, and accountability. Solutions must be: * Valuable – customers choose to buy or use them * Viable – aligned with business constraints and goals * Usable – intuitive and user-friendly * Feasible – achievable with our technical capabilities Leadership...
IR35 Status:
Unknown Status

CV-Library Hardwick, Cambridgeshire Contractor
CL
Sep 09, 2026  
Vehicle Integration Engineer (Feature Integration)
Vehicle Integration Engineer (Feature Integration) 📍 Location: Warwickshire (Hybrid) 💷 Rate: £35.79 per hour (Umbrella) We are currently seeking an experienced Vehicle Integration Engineer to join a leading automotive engineering organisation based in Warwickshire. This is an exciting opportunity to play a key role in the delivery of innovative vehicle software features, ensuring successful integration, validation, and launch across a major vehicle programme. Working within a cross-functional environment, you will be responsible for overseeing software feature content from concept through to vehicle launch, acting as the key interface between programme, marketing, vehicle engineering, and technical delivery teams. Key Responsibilities Lead the integration and delivery of vehicle software features within a designated vehicle programme. Define and align customer feature requirements with key stakeholders including Marketing, Programme Management, and Vehicle Engineering teams....
IR35 Status:
Unknown Status

CV-Library Warwickshire, UK Contractor
CL
Sep 09, 2026  
Senior Structures Engineer - Aerospace
Senior Structures Engineer - Aerospace Location: Yorkshire and the Humber, East Riding of Yorkshire, Brough Job Type: Contract, Full-Time Primary Industry: Aerospace and Aviation Secondary Industry: Engineering Salary: £31.60 to £42.50 per hour Benefits: None Job Description The Senior Structures Engineer works within the aerospace sector, responsible for the design, analysis and validation of aircraft structural components and assemblies. The role involves applying engineering principles to ensure structural integrity, safety and compliance with relevant industry standards and regulations. The individual contributes to the development of innovative solutions and supports production and maintenance activities by providing technical expertise and guidance. Key Duties and Responsibilities Conduct detailed structural analysis using recognised engineering methods, including finite element analysis, to assess strength, fatigue, and durability of aerospace structures. Design...
IR35 Status:
Unknown Status

CV-Library Brough HU15, UK Contractor
CL
Sep 06, 2026  
Feature Integration Engineer
Feature Integration Engineer - (phone number removed) - £35.94/hr umbrella rate Do you have a strong understanding of software/feature integration and systems engineering principles relevant to an automotive or similar environment? Step into a high-impact contract opportunity as a Feature Integration Engineer and help shape software features for real-world vehicle programmes. This role sits right at the intersection of software integration and systems engineering, giving you the chance to coordinate across stakeholders, drive clarity in feature delivery, and gain real momentum as features move from definition through to deployment readiness. What You Will Do:  - Own the oversight of software feature content for a specific vehicle programme, ensuring it is clearly defined, delivered, and signed off to target as a Feature Integration Engineer. - Align the customer experience offering across key stakeholders, including Marketing, Programme Management, and Vehicle teams, ensuring...
IR35 Status:
Inside IR35

CV-Library Gaydon, Warwick CV35, UK Contractor
CL
Sep 06, 2026  
Senior/Lead Data Engineer | London | Contract | Inside IR35
Senior / Lead Data Engineer – Contract - Inside IR35 📍 London – Hybrid, 3 days onsite 📅 Initial 6 months 💷 Inside IR35 I’m looking for a seriously hands-on Senior/Lead Data Engineer to join a major UK organisation undertaking significant investment across its Data & AI estate. The key word here is hands-on. We’re not looking for someone who has progressed into overseeing engineering from a distance. You’ll be actively building, modernising and optimising data workloads within a large-scale, complex environment. What we’re looking for: Strong Spark / PySpark engineering Large-scale data pipeline development & modernisation Python and strong software engineering fundamentals Performance, scalability & workload optimisation Cloud data engineering – ideally AWS CI/CD and modern engineering practices Experience working across complex, enterprise-scale data environmentsThere’s also a particularly interesting AI engineering angle. We want someone who knows how to use AI...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Sep 06, 2026  
Electronics Design Engineer
World Class Defence Organisation based in Stevenage (the role can be a split of working Onsite and Working From Home) is currently looking to recruit a number of Electronics Design Engineer subcontractors on an initial 12 month contract.    Electronic Design Engineers with excellent skills in Analogue Design or Digital Design or Power Design or FPGA are sought after.    Job Title: Electronics Design Engineer Rate: £58 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: This role will involve some remote working opportunities Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Electronics Design Engineer Job Description: The Electronic Engineering function is a friendly and supportive environment. Within the function, you will be working with other engineers who have a collective wealth of...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Sep 06, 2026  
Software Engineer X2 (Back end)
Job Title: Back End Software Engineer Location: Remote (Quarterly Planning Sessions Required) Remuneration: £600 per day via Umbrella Company Contract Details: Fixed Term Contract, 6 Months (Scope for Extension) Overview Our client is seeking a senior Back End Software Engineer to take the reins in designing, building, and supporting scalable cloud and on-premise platforms. This exciting role focuses on enhancing system performance, reliability, security, and automation while collaborating with development, QA, DevOps, and operational teams. The successful candidate will be a technical subject matter expert, driving engineering best practises and operational excellence in an Agile environment. Responsibilities: Design and deploy scalable, high-performance backend systems and platforms. Monitor, maintain, and optimise large-scale distributed systems. Automate deployments, infrastructure provisioning, and configuration management processes. Lead incident resolution,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Sep 05, 2026  
Contract Metrologist
Are you a Metrologist with a strong background in programming using MCOSMOS? We are seeking a Metrologist on a 3 month contract basis for a manufacturing business in the West Midlands.  Contract Metrologist   3 month Contract  Competitive Rate – Outside IR35 Monday to Friday - Afternoons and evening shifts West Midlands Contract Metrologist Job Description Perform calibration of dimensional measuring instruments and reference standards to ensure accuracy and compliance. Program and operate Coordinate Measuring Machines (CMMs) using PC-DMIS software. Carry out dimensional inspections and verification activities to support production and quality requirements. Lead root cause analysis investigations relating to dimensional and quality concerns, implementing effective corrective actions. Maintain accurate and detailed calibration records, reports, and supporting documentation. Work closely with Quality, Manufacturing, and Engineering teams to drive continuous improvement and...
IR35 Status:
Outside IR35

CV-Library West Midlands, UK Contractor
CL
Sep 05, 2026  
Packaging Engineer
Job Title: Packaging Engineer Location: Stockton-on-Tees (Fully Onsite) Pay Rate: Competitive / Up to £33.00/hr+ (DOE / Umbrella / PAYE options) Contract: 12-Month Contract (Likely to Extend) Hours: 37.5 hours per week (Mon-Fri 08:00 - 16:00 core shift with flexibility) Interview Process: Fast-Track 1-Stage Interview (F2F preferred, MS Teams available) Caterpillar is seeking a proactive Packaging Engineer to act as the primary "boots on the ground" engineering presence at their Stockton facility. Currently supported remotely, this critical role offers high autonomy and complete project ownership to design, optimize, and implement packaging solutions that protect products, reduce transport damage, and drive continuous improvement across the supply chain. Key Responsibilities Packaging Design & Review: Design, develop, and optimize packaging solutions for a wide range of industrial components using 3D CAD software. CAD & Technical Drawings: Read, interpret, and...
IR35 Status:
Unknown Status

CV-Library Stockton-on-Tees, County Durham Contractor
CL
Sep 05, 2026  
Senior Civil Engineer
Senior Civil Engineer Location: London (Hybrid - 2 days per week in the office) Rate: £45-£55 per hour Contract Length: 6 months IR35 Status: Inside IR35 Are you a Senior Civil Engineer looking for your next contract opportunity? We're working with a leading multidisciplinary engineering and design organisation that is looking to strengthen its London team with an experienced Senior Civil Engineer. This is an excellent opportunity to work on technically challenging projects across sectors including data centres, healthcare and commercial developments. You will take responsibility for the development and coordination of civil engineering designs, working closely with other engineering and design disciplines throughout the project lifecycle. The position offers hybrid working, with two days per week required in the London office. The role will suit an experienced engineer who is comfortable taking ownership of civil design packages, coordinating with multidisciplinary teams...
IR35 Status:
Inside IR35

CV-Library City of London, London, UK Contractor
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