Freelancer UK
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides
  • Sign in
  • Sign up
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides

Email me jobs like this

Email me jobs like this
Refine Search
Refine by Categories
Information Technology 6 Engineering 4 Other 2 Manufacturing 1
Inside IR35 Contractor lead software engineer

15 lead software engineer jobs found

CL
Apr 18, 2026  
Systems Engineer
We're looking for talented Systems Engineers to support a major defence engineering programme focused on complex, software intensive systems and advanced platform integration. If you thrive in high integrity environments and enjoy solving multi-faceted technical challenges, this contract offers a compelling opportunity. Location Ampthill, Bedfordshire On-site presence required Mondays and Tuesdays Contract Details Duration: 12 months Hours: 37.5 per week Working Pattern: 4?day week (Mon-Thurs) with flexible arrangements Rate: Competitive per hour (Inside IR35) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview You'll join a growing engineering function supporting multiple business areas, including platform systems and special projects. These roles are driven by increased demand across complex system integration activities, including work on next generation turreted systems and other mission critical...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Apr 18, 2026  
Manufacturing Engineer (CNC)
Manufacturing Engineer (CNC Sliding Head) Tewkesbury (on site) Aerospace/Advanced Manufacturing Inside IR35 £50 - £55 per hour THE ROLE - Manufacturing Engineer (CNC Sliding Head) This is a fantastic opportunity to join a stand-out aerospace engineering business to support Sliding Head/Swiss Lathe Manufacturing. As a Manufacturing Engineer, you'll need to possess excellent experience in Sliding Head lathe practices and processes including programming and CAD/CAM knowledge. As an expert with Sliding Head machining, you should have knowledge of some of the following machines: Star ST38, Star SR10J, Star SW20, Citizen. DUTIES - Manufacturing Engineer (CNC Sliding Head) Authoring and approving manufacturing processes and process specifications Online and Offline programming for CNC Activities - Perform problem solving and root cause corrective actions (RCCA). Provide technical, machining task planning and authorisation. Advise and support daily shop-floor management...
IR35 Status:
Inside IR35

CV-Library Tewkesbury GL20, UK Contractor
CL
Apr 17, 2026  
Functional Safety Engineer
Job Title: Functional Safety Engineer Location: Dunton, Essex (4 days onsite per week) Rate: £29.59ph via an Umbrella Company (Inside IR35) – Increasing to £38.38 via an Umbrella Company after 13 weeks Employment Type: Contract (Currently financed until December 2026) Hours: Standard 37.5 Hours Per Week Reference: F56480 Position Description: We are seeking a Functional Safety Systems Engineer to join our client’s core team in the based in Laindon, Essex. You will be a key player in ensuring our complex, distributed technologies including powertrain, infotainment, and active safety meet the highest safety standards. Using Model-Based Systems Engineering (MBSE), you will bridge the gap between research and production, turning "what if" into "what’s next." As a key member of an exciting team leading Functional Safety activities in Product Development, this role involves working with technology subject matter experts to conduct Functional Safety analysis using efficient...
IR35 Status:
Inside IR35

CV-Library SS15, Laindon, Essex Contractor
CL
Apr 17, 2026  
Scada Engineer
Belcan Workforce Solutions are recruiting for a Scada Engineer - ADMS Energy systems. 12 month - Inside IR35 contract role. UK remote based with trips to UK & Europe offices as required. Job Description We're looking for a Scada Engineer to connect our customers with our technologies and products. Our team is involved in ADMS (Advanced Distributions Management System) related projects, tackling problems ranging from analysing data to providing solutions for varied customer business requirements. Our product is deployed in distribution companies worldwide and is leading in the growing market of Energy Utilities. Our software solutions deliver reliability, productivity, innovation, and efficiency through a modular architecture, adaptive algorithms, predictive analytics, and a brilliant user experience. Roles and Responsibilities Lead and manage the migration of SCADA systems into ADMS platforms. Leverage your expertise to ensure smooth transitions and integration of...
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
Apr 17, 2026  
Functional Safety Systems Engineer
RLE International is working on behalf of their Essex based Automotive Client, who are currently looking for a Functional Safety Systems Engineer to support their team. Position Description: Rate: £29.59 (via Umbrella PAYE) – increasing to £38.38 after 12 weeks under AWR’s (Agency Worker Regulations) Our client is seeking a Functional Safety Systems Engineer to join their core team in the Essex. You will be a key player in ensuring complex, distributed technologies including powertrain, infotainment, and active safety meet the highest safety standards. Using Model-Based Systems Engineering (MBSE), you will bridge the gap between research and production, turning "what if" into "what’s next." As a key member of an exciting team leading Functional Safety activities in Product Development, this role involves working with technology subject matter experts to conduct Functional Safety analysis using efficient model-based systems engineering (MBSE / SysML) tools. Additionally, you will...
IR35 Status:
Inside IR35

CV-Library Basildon, Essex Contractor
CL
Apr 17, 2026  
Lead DevOps Engineer - Cyber Security
Cybersecurity Lead Software & DevOps Engineer * Sheffield (3 days per week onsite) * Inside IR35 We’re working with a leading financial services client to hire a Cybersecurity Lead Software & DevOps Engineer to drive the design and delivery of enterprise-wide security solutions across a complex technology landscape. This is a hands-on leadership role, ideal for someone operating at a Lead Engineer / Team Lead level, with proven experience managing and mentoring small teams of engineers while remaining close to architecture and implementation. Key Responsibilities * Design and deliver end-to-end security solutions across cloud and on-prem environments * Build and scale secure platforms, frameworks, and reusable security patterns * Lead key initiatives across IAM, CI/CD security, secrets management, and supply chain security * Implement robust secrets and key management solutions (e.g. HashiCorp Vault, cloud-native tools) * Partner with engineering and...
IR35 Status:
Inside IR35

CV-Library S1, Orchard Square, Sheffield Contractor
CL
Apr 17, 2026  
IDAM Back-end Java Developer - SC Cleared
IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35: Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking for a back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their IDAM service, re-platforming to Azure Kubernetes Service. You will have a solid understanding of modern deployment pipelines and DevOps principles. The role will require providing out of hours support (i.e. Monday to Saturday once per month). As a Senior Software Engineer with a focus on back-end development, you will play a key role in designing,...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jan 21, 2026  
High Speed Digital Design Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a High Speed Digital Design Engineer subcontractor.   Rate: £58.00 - £80 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role can be a mix of onsite and remote working Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: As part of a large team of analogue and digital electronics design engineers, you will be responsible for the electronics design and development of high speed MPSoC FPGA and AI hardware solutions targeting SDR, radar signal processing and sensor fusion applications. As Digital Design Engineer you will support the Technical Lead/Architect in collaboration with the systems, software, firmware, mechanical and...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Apr 19, 2026  
Head of Banking Architecture
Head of Core Banking Contract Length: 6 months Rate: Up to £900 per day (Umbrella) IR35 Status: Inside Overview An established public‑sector organisation is seeking a highly experienced Head of Core Banking to act as the internal expert for its core banking estate, with a particular focus on Sopra Banking Software (SBS/SOPRA). This role has become business‑critical following the departure of the organisation’s former Head Architect. You will bridge a key knowledge gap while providing strategic technical leadership across core banking, integration, and modernisation initiatives. You will work within the Core Banking & Payments Workstream, collaborating closely with Enterprise Architecture, external technology partners, and internal delivery teams. Key Responsibilities Core Banking SME Leadership * Serve as the organisation’s primary subject-matter expert for core banking, with strong emphasis on SBS/SOPRA. * Review, challenge, and steer decisions relating to the...
IR35 Status:
Inside IR35

CV-Library SE1, Chaucer, Greater London Contractor
CL
Apr 18, 2026  
Project Manager
A well-established client of ours are looking for a Project Manager for the delivery of essential infrastructure projects across electricity transmission, distribution, renewable energy and customer connection frameworks, with an emphasis on a National Grid substation in the Wiltshire area. This assignment will start 13/04/2026 and last 6 months. This would be an inside IR35 role. Key responsibilities: Lead multidisciplinary construction and engineering teams through end‑to‑end project delivery, ensuring alignment across civil, M&E, and commercial workstreams. Deliver projects to agreed time, cost, quality, and safety requirements. Drive a cohesive project team ethos across Construction Managers, Commercial Managers, Design Leads, and Project Engineers Provide strong safety leadership, including preparation and oversight of Health & Safety Plans, Method Statements, and Risk Assessments. Maintain the highest standards of HSEQ performance and ensure compliance with...
IR35 Status:
Inside IR35

CV-Library Wiltshire, UK Contractor
CL
Apr 17, 2026  
Tooling Engineer
Join a world-renowned aerospace and defence organisation as a Tooling Engineer in Gloucester on a hybrid basis Due to a drive for greater success, this advanced manufacturing business is currently searching for Tooling Engineer to add to their talented, hardworking team in Gloucester on an initial 3-6 months contract. Striving for innovation and creativity you can ensure no two days will be the same. The rate per hour: £35.00 - £45.00 per hour inside IR35 / umbrella The role: As the Tooling Engineer, you will be accountable for designing, developing and managing the manufacturing / commissioning of the tooling - to ensure on-time, high-quality products. Your expertise in engineering principles and tooling design will directly contribute to this project. Key Responsibilities: * Design and develop advanced tooling solutions to support manufacturing processes, ensuring optimal performance and reliability * Collaborate with cross-functional teams to identify tooling needs and...
IR35 Status:
Inside IR35

CV-Library Gloucestershire, UK Contractor
CL
Apr 16, 2026  
CMM Programmer
We are seeking an experienced CMM Programmer, with knowledge of LK metrology Camio software or PC-DMIS for a 6-month role in Worcestershire. Able to assist in the workload of creating new programmes to align new machines. Support to validate the new programs prior to using them in a production environment. This typically involves checking the CMM programs have the correct nominal/tolerances programmed in and the correct features on the component are being probed, followed by a repeatability check. This role falls inside IR35 and would require the use of an Umbrella Company. No Nationality restrictions but requires to be a UK resident for at least 5 years and have Right to Work in UK. Clearance : BPSS (DBS Check, Right to work, ID verification, 3 year work history) & SCTasks include: Creation and management of CMM Programs to maintain efficiency and accuracy. Problem Solve CMM errors, issues and collisions. Provide training and guidance to all team members for relevant...
IR35 Status:
Inside IR35

CV-Library Kidderminster, Worcestershire Contractor
CL
Mar 20, 2026  
Test Driven Development Lead
World Class Defence Organisation is currently looking to recruit a Test Driven Development Lead subcontractor on an initial 6 month contract.     Rate: £70.00 per hour Location: Bristol Hybrid / Remote working: The role will be onsite – a compressed 4 day week (Monday to Thursday is fine) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)                                                                                                                                           Interview Process: One stage Video Interview Test Driven Development Lead Job Description: The UK Embedded Software department is at the core of the company’s projects. We create the complex, highly reliable real-time software that powers our missile systems and their components, ensuring that they provide the performance and...
IR35 Status:
Inside IR35

CV-Library Bristol, 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
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 Bristol, UK Contractor
  • Follow us on:
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Outside IR35
  • Create Resume
  • Sign in
© 2008-2026 Powered by SmartJobBoard Job Board Software