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Engineering 6 Construction 2 Information Technology 2 Management 1
Outside IR35 Contractor software developer

11 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 11, 2026  
GIS Python Developer Outside IR35
GIS Python Developer 12 Months Outside IR35 GIS Python Developer required by a leading tech company for an initial 12 month contract. It's fully remote, outside IR35, and will likely extend due to the amount of work they have in the pipeline. The Role: You will be part of a rapidly growing software team helping to deliver their leading analytics application that is being used to help drive critical decision making from gathering large amounts of intelligence on the human population and its use around the world; tech for good, you could say! As a GIS Python Developer, you will be responsible for various tasks, mainly focusing on Python development to combine geospatial datasets to automate the creation of sizeable subnational index data sets. The main tools you will be using day to day are: ** Python ** Docker ** ETL pipelines ** GIS - PostGIS or ESRI knowledge (Ideally Raster Data Sets) ** AWS You: Our customer is looking for someone well versed with the above tools...
IR35 Status:
Outside IR35

CV-Library Bath, Somerset 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 13, 2026  
Embedded UAV Flight Control Engineer
Embedded UAV Flight Control Engineer Location: Blandford Forum (Onsite) Contract Type: 6 Month Contract Rate: £45 per hour (Outside IR35) We are seeking an experienced Embedded Engineer to support the development of an advanced unmanned aerial platform. This role focuses on embedded flight control software, electronics integration, and real-time system validation within a hands-on engineering environment. Key Responsibilities • Develop and enhance embedded flight control software (PX4 / ArduPilot or similar flight stacks). • Integrate and debug hardware interfaces including SPI, I2C, CAN and UART. • Support hardware bring-up and board-level debugging of flight control electronics. • Implement and optimise real-time messaging and driver-level functionality. • Contribute to fail-safe and system robustness strategies. • Conduct bench and hardware-in-the-loop testing. • Work closely with electronics and systems teams to support integration activities. Required Experience • Strong...
IR35 Status:
Outside IR35

CV-Library DT11, Blandford Forum, Dorset Contractor
CL
Mar 12, 2026  
Health & Safety Risk Assessor (outside IR35)
Our client is seeking a highly skilled Health & Safety Risk Assessor to join their team on a contract basis, focusing on highways. This role involves producing risk assessments and method statements for highway engineering activities. It is essential you can travel to various sites in Hampshire. Key Responsibilities: Produce detailed Risk Assessment and Method Statements (RAMS) conforming to corporate templates Undertake in-house risk assessor training and apply this knowledge to complete RAMS Analyse and assess civil engineering activities within the highways sector to develop RAMS that mitigate health and safety risks Collaborate with operational staff to develop and agree on safe working procedures Review and update RAMS as necessary to ensure their effectiveness Produce a minimum of 25 RAMS over a six-month period, some based on existing RAMS and some newly created Job Requirements: Experience in producing risk assessments and method statements independently Proven...
IR35 Status:
Outside IR35

CV-Library Hampshire, UK Contractor
CL
Mar 11, 2026  
Engineering Manager - Water
Engineering Manager – Water & Wastewater | Manchester (Hybrid) Location: Manchester – Hybrid working possible Type: Permanent or Contract (Outside IR35) Want to lead a multidisciplinary engineering team delivering critical UK water and wastewater infrastructure? Ready to take full ownership of technical leadership, design strategy, and team development on nationally important projects? Our client is expanding their specialist design function and is looking for an Engineering Manager to oversee mechanical, civil, and process design, ensuring high-quality, integrated solutions across major UK water industry projects. What You’ll Do Lead and develop engineers, CAD technicians, and graduates across multiple projects Act as Professional Head for the design function, guiding compliance with technical, professional, and water company standards Approve design packages and ensure full integration across disciplines Identify and implement safe, efficient, and value-engineered...
IR35 Status:
Outside IR35

CV-Library 3 Dickinson St, Manchester M1 4LF, UK Contractor
CL
Mar 10, 2026  
BMS Design Engineer
Role: BMS Engineer - Design Location: London - Hybrid working Duration: 12 month initial contract Pay Rate: £400-£450 P/day OUTSIDE IR35 The BMS design engineer should fully understand the engineering requirements of building control systems for a range of building types, varying in complexity. Candidates will need a thorough understanding of both mechanical and electrical building systems and be able to work autonomously. The role will require experience of interpreting customer specifications to develop comprehensive designs and scope packages for individual disciplines including panel design, hardware configuration, field equipment, software configuration, graphic packages as well as installation and commissioning scope. Candidates must also be prepared to work flexibly as part of the team and be pro-active with modern technologies and best practice. Applicants should have engineering skills as detailed below: Electrical and Mechanical systems and plant knowledge, BMS...
IR35 Status:
Outside IR35

CV-Library London, UK 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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