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Contractor 9
Outside IR35 software developer

9 software developer jobs found

CL
Mar 15, 2026  
Automation Engineer
We're supporting a major engineering organisation delivering large‑scale automation and control upgrades across the UK water sector. Due to increased project workload, they're looking to bring in an experienced Contract Automation Engineer with strong multi‑vendor PLC/SCADA experience and full‑lifecycle project capability. The Role You'll be delivering controls and automation solutions across major water & wastewater treatment projects. This contract involves full lifecycle engineering-from specifications and design through to programming, FAT/SAT, site commissioning, and handover. Technical Requirements You must be proficient in: Allen‑Bradley / Rockwell Automation Studio 5000 / RSLogix 5000 FactoryTalk View SE/ME Schneider Electric EcoStruxure Control Expert (Unity Pro) SCADA/HMI platforms Mitsubishi Software GX Works / GX Developer Ideal Background This will suit contractors who have previously worked with businesses known for water sector systems integration,...
IR35 Status:
Outside IR35

CV-Library Staffordshire, UK Contractor
CL
Mar 20, 2026  
EE Low Voltage Systems Engineer - Automotive
A Contract position Outside IR35 3 days pw onsite Our client, a leading name in the automotive sector, is currently seeking a Low Voltage Energy Management Engineer to join their team on a contract basis. This role focuses on the development, integration, and validation of low voltage systems within automotive projects. Key Responsibilities: Develop, integrate, validate, and sign off low voltage systems across various projects. Manage hardware and software (System 42), approve circuit diagrams, and support development of functions and ECU communications. Resolve vehicle issues using diagnostic troubleshooting skills. Support compliance, functional safety, and emission control activities. Collaborate cross-functionally with departments such as Electrical & Electronics, Whole Vehicle, Body & Trim, and Motion Engineering. Validate platform changes, part introductions, technical changes, and releases for low voltage components. Coordinate with suppliers and VW group...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Mar 18, 2026  
Embedded Software Engineer - Contract (Outside IR35) - Cambridge - SC Clearance
Embedded Software Engineer | 6-Month Contract (Outside IR35) | Cambridge Location: Cambridge, UK Contract Type: 6 months (Outside IR35) Rate: Competitive (DOE) Security Clearance: SC Clearance required About the Role We are working with a leading UK defence and security technology consultancy, engaged in developing cutting-edge solutions that protect the UK from emerging technological and cyber threats. As an Embedded Software Engineer, you’ll work alongside a multi-disciplinary team of scientists and engineers to design, develop, test, and deliver prototype solutions. This is a hands-on, technically challenging role where your work will have real-world impact. Responsibilities: Develop embedded software for high-tech systems, primarily in C (Linux environment) Collaborate with teams on design, prototyping, and full product lifecycle development Debug and optimise software and hardware interfaces Contribute to technical problem-solving and innovative solutionsRequired...
IR35 Status:
Outside IR35

CV-Library Cambridge, UK Contractor
CL
Mar 18, 2026  
Senior Civil Engineer
Senior Civil Engineer (Chartered) Location: Birmingham Office Contract: 6 Months (ASAP Start) Engagement: Outside IR35 Sector: Transmission MRR Infrastructure is recruiting for a Chartered Senior Civil Engineer to join a highly respected engineering organisation delivering major UK transmission infrastructure projects. This is a six-month contract opportunity, confirmed as outside IR35, based within the Birmingham office. The Opportunity You will operate in a senior technical capacity within the Civil and Structural team, leading design activities across high-voltage transmission projects from concept through to detailed design and construction support. This role is suited to an experienced Chartered Civil Engineer who is confident leading design packages, mentoring engineers, managing client interfaces and delivering complex infrastructure solutions within regulated environments. The Organisation Our client is a globally established, employee-owned engineering and...
IR35 Status:
Outside IR35

CV-Library Birmingham, West Midlands (County) Contractor
CL
Mar 15, 2026  
Mechanical Design Engineer
Mechanical Design Engineer Location: Derbyshire Rate: £40 - £42 per hour (Ltd – Outside IR35) Contract: 3 – 6 month initial contract – likely to extend Immediate Start Our client is looking for an experienced professional to take a lead role in managing the full design process—from initial concept through to final delivery. This is a unique opportunity to contribute to high-impact projects within a fast-paced, collaborative engineering environment. You'll use tools like CAD and advanced engineering software to validate calculations, support testing, and oversee project execution, working closely with cross-functional teams to ensure quality, efficiency, and client satisfaction at every stage. What Our Client is Looking For: A hands-on background in fabrication and structural engineering Proficiency in engineering calculations – using Mathcad, Excel, and hand calculations Expertise in acoustics, airflow, and thermal systems Experience with both large and small companies,...
IR35 Status:
Outside IR35

CV-Library Derbyshire, UK Contractor
CL
Mar 14, 2026  
Guidance & Control Software Engineer
Guidance & Control Software Engineer (Interception Systems) Location: North London - Hybrid Type: Contract - Outside IR35 Rate: Starting at £50 per hour DOE About the Role Our client develops advanced autonomous weapon and interception technologies designed for high-speed target engagement in contested environments. The programme centres on a vision-guided one-way aerial system capable of autonomously detecting, tracking, and intercepting manoeuvring objects. The software architecture combines real-time perception with predictive guidance and control. This role will be central to the development of the onboard flight and guidance stack, implementing estimation, tracking and control algorithms in performance-critical C++ code. The engineer will work closely with perception, simulation and hardware teams to ensure reliable terminal behaviour under real-world conditions. The Guidance & Control Software Engineer position suits an engineer with experience in missile...
IR35 Status:
Outside IR35

CV-Library Barnet, Greater London Contractor
CL
Mar 07, 2026  
Data Centre Design Manager (MEP)
Our client is a dynamic, fast growing data centre Construction Support Consultant operating both in the UK and internationally. They have grown rapidly and have earned a fantastic reputation across DC expansion projects, white space and hyper scale dc schemes To support these exciting schemes they are looking for an MEP Design Manager to join the team The Design Manager will oversee and coordinate the design aspects of construction projects from inception to completion. Your primary responsibility will be to ensure that the design meets our clients requirements, adheres to regulatory standards, and offer value engineering solutions. You will collaborate with architects, engineers, contractors, and the project team to develop and implement design strategies that align with project goals. Additionally, the Design Manager will coordinate with external designers for each project and report any design risks to the Projects Director. The ideal applicant will be from an...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 27, 2026  
Functional Safety Engineer (TUV Certified)
Functional Safety Engineer (TUV Certified) – Contract – Hybrid Location: Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical and Renewable Energy sectors. The role can be performed on a hybrid basis with weekly visits to site in West Wales. Previous site experience is and TUV Certification are essential. This role is deemed outside IR35. Role & Responsibilities * Undertaking work providing engineering support to a range of CAPEX and OPEX projects. * Performing safety specification and certification of safety instrumented systems. * Develop SRS – Safety Requirements Specification. * Develop SIS Safety Lifecycle Plan \ Functional Safety Management Plan. * Carry out SIL Verification using simplified equations. * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of design work to ensure...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Dec 28, 2025  
MEP Design Manager - Data Centres
Our client is a dynamic, fast growing data centre consultant operating both in the UK and internationally. They have grown rapidly and have earned a fantastic reputation across DC expansion projects, white space and hyper scale dc schemes To support these exciting schemes they are looking for an MEP Design Manager to join the team The Design Manager will oversee and coordinate the design aspects of construction projects from inception to completion. Your primary responsibility will be to ensure that the design meets our client's requirements, adheres to regulatory standards, and offer value engineering solutions. You will collaborate with architects, engineers, contractors, and the project team to develop and implement design strategies that align with project goals. Additionally, the Design Manager will coordinate with external designers for each project and report any design risks to the Projects Director. The ideal applicant will be from an Electrical or HVAC...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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