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Contractor 5
Engineering Outside IR35 software developer

5 software developer jobs found

CL
Mar 26, 2026  
Senior Software Engineer
Senior Java Software Engineer (Contractor) UK-Based | Fully Remote Outside IR35   Contract to Dec 2026 We are supporting a global engineering and technology organisation in the search for a Senior Java Software Engineer (Contractor) to join their Performance Engineering & Research team. This is a fully remote opportunity (UK-based candidates only) working on robust, scalable software that supports sophisticated control algorithms and performance optimisation systems. The Role You will design, build and maintain efficient, high-performance Java applications, contributing across the full software development lifecycle including: Requirements analysis and system design Development and implementation Testing and deployment CI/CD and automation improvements Technical documentation Working under the guidance of the Principal Performance Engineer, you will collaborate with solution design, integration, simulation and delivery teams globally. What We’re Looking For Minimum 5...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Mar 25, 2026  
Mechanical Design contract
Our client is a rapidly growing business designing some of the most innovative and interesting applications for the marine industry. If you are a meticulous individual with a passion for design and development, for a pre-production project then this could be perfect for you. Mechanical Design Engineer (contract) Outside IR35 Marine applications Immediate start  Responsibilities will include: Accountability for full systems from inception to delivery; driving function, quality, and performance Conducting detailed analysis of design requirements, specifications, and project objectives to develop innovative mechanical design solutions Utilisation of CAD software and other design tools to create detailed 2D drawings and 3D models of mechanical components, ensuring accuracy, functionality, and compliance with industry standards and regulations. Substantiate designs using analytical methods, FEA software, and other simulation tools to validate the integrity, performance, and...
IR35 Status:
Outside IR35

CV-Library Fratton, Portsmouth, UK Contractor
CL
Mar 25, 2026  
Mechanical Engineer
Job Title: Intermediate/Senior Mechanical Engineer - 12 Month Contract or Permanent Location: Mostly remote (occasional travel to London) Contract Rate: £45-£53 per hour outside IR35 or Permanent Salary: £50-£60k About the Role: We are seeking an experienced Mechanical Engineer to join a dynamic team focused on innovative engineering solutions in the water and environmental sector. This role offers the flexibility of primarily remote work, with occasional visits to the London office, and provides the opportunity to work on cutting-edge projects in a collaborative environment. Key Responsibilities: Design, develop, and optimise mechanical systems and components. Prepare detailed engineering drawings, specifications, and documentation. Work closely with project teams to deliver solutions from concept through to installation and commissioning. Support project planning, risk assessment, and troubleshooting mechanical issues. Ensure compliance with relevant industry standards,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 21, 2026  
Senior Mechanical Engineer (Client side, Ireland)
Senior Mechanical Engineer (Client side) – Contract – Ireland (Cork) Location: Ireland (Cork) 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. This is a Client side role and will be based on site at a large operational energy facility. This role is deemed to be outside IR35. Role & Responsibilities * Acting as an integrated part of the end Client team, executing Piping/Mechanical Engineering activities and maintain technical integrity. * Supporting the development of Mechanical and Piping layout for a range of major energy projects at different stages including concept, pre-FEED, FEED and EPC / PMC. * Reviewing and approving Piping/Mechanical deliverables such isometrics, GA’s, stress analysis. * Development of Mechanical Equipment Specification and Datasheets. * CAESAR Stress Analysis experience, or strong knowledge of Stress...
IR35 Status:
Outside IR35

CV-Library Ireland 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
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