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Contractor 47
Unknown Status software development engineer

47 software development engineer jobs found

CL
May 02, 2026  
C# / .net Software Engineer
C# / .net Software Engineer Milton Keynes - first few days for training then 1 site visit a month 6 Months Contract £550 per day We are looking for an experienced C# Software Engineer to join the team and support us on our journey in transforming our application landscape to provide a modern, cloud hosted finance platform. This exciting opportunity offers the chance for you to work for a fantastic brand and to help shape our digital future. About the role As a key part of the scrum team, you will help to shape the company's core products, working on green and brownfield solutions using the latest technologies. You will play an important role in the product lifecycle, contributing to design, from development through to delivery. About you We are looking for a good communicator and strong team player with skills aligned to our tech stack. We would expect you to have strong experience in most of the following: Tech Stack C# .Net Core Typescript React Web API Kubernetes /...
IR35 Status:
Unknown Status

CV-Library Milton Keynes, Buckinghamshire Contractor
CL
May 02, 2026  
Principal EC&I Engineer
Principal EC&I Engineer Whitehaven (Hybrid - 2-3 days per week in office) Contract - 12 Months Rate - £65 per hour We are seeking an experienced Principal EC&I Engineer to lead the design, development, and delivery of EC&I solutions across complex, safety-critical projects. This role is heavily design-focused, requiring ownership of electrical power system studies, protection design, and technical assurance, ensuring all outputs meet regulatory, safety, and engineering standards. Key Responsibilities Design Leadership & Delivery Lead the design and development of EC&I systems, ensuring solutions are technically robust, compliant, and fit for purpose. Own and maintain the electrical power system model (ETAP or equivalent) to support design development and validation. Produce and review key design deliverables including: Fault level calculations, Protection coordination studies, Arc flash risk assessments.  Ensure all designs align with relevant standards,...
IR35 Status:
Unknown Status

CV-Library Whitehaven CA28, UK Contractor
CL
May 02, 2026  
Principal EC&I Engineer
Principal EC&I Engineer Warrington (Hybrid - 2/3 days per week in office) Contract - 12 Months Rate - £65 per hour We are seeking an experienced Principal EC&I Engineer to lead the design, development, and delivery of EC&I solutions across complex, safety-critical projects. This role is heavily design-focused, requiring ownership of electrical power system studies, protection design, and technical assurance, ensuring all outputs meet regulatory, safety, and engineering standards. Key Responsibilities Design Leadership & Delivery Lead the design and development of EC&I systems, ensuring solutions are technically robust, compliant, and fit for purpose. Own and maintain the electrical power system model (ETAP or equivalent) to support design development and validation. Produce and review key design deliverables including: Fault level calculations, Protection coordination studies, Arc flash risk assessments.  Ensure all designs align with relevant standards,...
IR35 Status:
Unknown Status

CV-Library Warrington, UK Contractor
CL
May 02, 2026  
Brakes Refinement Engineer
Are you passionate about driving excellence in vehicle refinement? We're looking for a Brakes Refinement Engineer to join a world-class automotive team on a contract basis, working onsite in Gaydon. About the Role As part of the Brakes Refinement team, you'll play a key role in engineering and delivering a highly refined braking system - from pedal feel to foundation brake performance - across multiple vehicle lines. Key Responsibilities Support the Lead Engineer in delivering brake refinement customer quality targets across one or more vehicle programmes. Ensure Attribute Requirement targets are met at each programme gateway. Assist with test and development activities defined in the Design Verification Plan (DVP), including both physical and virtual testing. Conduct measurement, analysis, and visual assessments to understand system performance. Collaborate on developing and implementing engineering solutions to resolve technical issues. Produce technical recommendations,...
IR35 Status:
Unknown Status

CV-Library Warwickshire, UK Contractor
CL
May 02, 2026  
Avionics Systems Engineer
Avionics Systems Engineer Location: Yeovil, 2/3 days per week on site Duration: 6 Months Rate: £60 – 65 Ph Ltd To carry out requirements definition, design, development, integration, test, certification (Military and Civil) and support of Avionic and Mission Systems. KEY JOB ACCOUNTABILITIES TO INCLUDE BUT NOT LIMITED TO: • Responsible for the definition, design, development, integration, testing, qualification and in-service engineering support for avionics and mission Subsystems. The role offers significant variety and could include, however, will include a number of the aspects outlined below: • Capture of requirements for Subsystems and the scheming of optimal solutions, including consideration of safety and airworthiness aspects. • Leading and undertaking detailed design and specification of Subsystems, including the preparation of requirements specifications and statements of work for vendor products or internal software developments. • Leading the...
IR35 Status:
Unknown Status

CV-Library Yeovil, UK Contractor
CL
May 02, 2026  
Brakes Refinement Engineer – 37035556
Job Title: Brakes Refinement Engineer – (phone number removed) Location: Warwickshire Number of roles: 3 The Opportunity The brakes refinement team is responsible for the engineering and delivery of a refined braking system from the pedal to the foundation brake on all vehicle lines to customer expectations. Brakes refinement attributes include; squeal, judder, creep groan and wheel honk and brake actuation NVH and EPB sound quality. There is a strong focus on ensuring that our standards satisfy our customers in conjunction with developing efficient methods for delivery of programmes including the use of virtual tools and translation of customer requirements into objective measurements. This role will aim to enhance the customer experience through the design, development, measurement and balance of the brake refinement customer attributes for vehicles Key Accountabilities and Responsibilities * Support delivery of all Attribute Requirement targets by Gateway and ensure...
IR35 Status:
Unknown Status

CV-Library CV35, Gaydon, Warwickshire Contractor
CL
May 02, 2026  
Software Engineer C++ Bristol
Application Software Engineer required for long term contract assignment based in Bristol. Candidates must be eligible for "UK Eyes Only" security clearance. Skill and experience required: Experience in developing application-level software (C++, C#, Java or similar). Familiarity with CI/CD pipelines and modern software engineering practices. Knowledge of Data Distribution Service (DDS) is advantageous. Defence industry experience is advantageous. Overview of the opportunity: The team is implementing a demonstration system for a complex new Command and Control application, which extends existing concepts and logic. If the demonstration is successful, it may develop into a project for a fully operational capability. We're looking for an engineer who enjoys turning system needs into working software, working closely with domain specialists, and delivering capabilities in short timescales. Responsibilities: Application development and testing, including sophisticated...
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
May 01, 2026  
Application Software Engineer
Application Software Engineer - UK-based | Hybrid working - Defence & Advanced Technology On behalf of our client, a leading UK-based organisation operating at the forefront of defence, security and complex systems engineering, we are seeking an Application Software Engineer to join a growing, highly technical software team. This organisation designs and develops some of the most advanced command, control and mission systems in service today, working on projects that have genuine national and international impact. The Opportunity The successful candidate will support the delivery of a demonstration system for a next‑generation Command and Control application, extending established concepts and introducing new logic and capabilities. This demonstrator plays a critical role in shaping future full‑scale operational systems. This is an excellent opportunity for an engineer who enjoys translating system-level requirements into high‑quality, working software, collaborating...
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
May 01, 2026  
Contract IT Support Technician
Steeper Group is a true leader in the Orthotic, Prosthetic and Assistive Technology products. In the past 100 years we have grown to become one of the UK’s largest suppliers. Steeper’s vision is to create life’s turning points, together. We aim to do this by delivering innovative prosthetic, orthotic and assistive technology products and responsive clinical services. We have an exciting opportunity for an IT Support Technician to join our existing team at our Head Office in Leeds on a 4-month fixed term basis with a salary of £9,000 (£27,000 FTE) The Role: This is a full-time (Monday to Friday) role based on site at our Leeds headquarters, this role is ideal for an IT Support engineer with 1 to 2 years’ experience in desktop support, network and storage infrastructure, looking to develop their first- and second-line support skills. Responsibilities: To provide technical hands-on support, answering support queries either in person or via phone or ITSM system. To maintain a...
IR35 Status:
Unknown Status

CV-Library LS10, Leeds ICD, City and Borough of Leeds Contractor
CL
Apr 30, 2026  
Platform Engineer
Engineer: Developer Experience & Platform Are you obsessed with automation and building better workflows? We're looking for a Platform/Infrastructure Engineer to join our team and empower our developers by building world-class tooling and CI/CD systems. What You'll Do Build & Automate: Develop CI/CD pipelines and infrastructure using Python, Bash, and the command line. Innovate with AI: Integrate AI tools into our dev-cycle to boost team productivity. Problem Solve: Proactively identify bottlenecks in our build systems and fix them. Collaborate: Work closely with mobile, web, and backend teams to improve their daily experience. What We're Looking For Solid experience in Platform Engineering or Developer Tooling. Proficiency in scripting/automation and CI/CD systems. A proactive, curious mindset with excellent communication skills. Ability to work effectively with AI-assisted development tools. Nice to Have Experience with Bazel, Monorepos, or Infrastructure-as-Code....
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Apr 30, 2026  
Security Engineer
Key responsibilities · Ability to develop, design secure solutions and produce a Security Design documenting the controls. · The ability to deconstruct a solution / network architecture. · Ability to identify and mitigate against threats and vulnerabilities associated with proposed solutions and evaluate the soundness of solutions using industry standard practices (e.g., STRIDE, MITRE). · Demonstrate the ability to interpret threats into Risks, using your knowledge and experience to assist the business in assessing likelihood and impact. · Effectively communicate technical concepts to both technical and non-technical collaborators. · Skills to produce and articulate Security Designs to all collaborators within the project and business. · Comfortable weighing the risks and benefits of competing Security design options. · Comfortable working on multiple challenging projects simultaneously Key skills * Designing and implementing security solutions to support meeting...
IR35 Status:
Unknown Status

CV-Library Greater Manchester, UK Contractor
CL
Apr 30, 2026  
Safety Engineer
We are looking to expand our Systems and Project Engineering capability in all levels of experience and are keen to hear from you if you feel you're ready to take the next step in your career. You must be a UK National and qualify for Security Clearance. Roles & Responsibilities: Work transparently with various facilities engineering discipline leads / teams to provide clear and concise reports and information regarding progress and management of Risk and Opportunities in relation to the Engineering activities. Define and conduct governance meetings. Bring learnings & operational best practices from other engagements. Undertake technical and feasibility studies and site investigations Develop detailed Safety requirement specifications Support projects as they evolve through the project engineering lifecycles Assess the potential risks of specific projects, as well as undertake risk management in specialist roles Review of project documentation Communicate and liaise...
IR35 Status:
Unknown Status

CV-Library Plymouth, Devon Contractor
CL
Apr 30, 2026  
Dimensional Variation Engineer (3DCS)
Dimensional Variation Engineer (3DCS) - Contract 📍 Bicester | ⏳ Contract We are supporting a leading automotive OEM in the search for an experienced Dimensional Variation Engineer (DVA) with strong 3DCS tolerance analysis expertise to support the delivery of a new vehicle programme. This role plays a critical part in ensuring vehicle‑level dimensional quality, supporting concept validation, gap & flush performance, and robust dimensional control from early concept through to engineering release. The Role As a Dimensional Variation Engineer, you will apply 3D Design Variation Analysis (DVA) techniques to validate multiple vehicle concepts and ensure the optimal complete vehicle solution is delivered against aesthetic, functional and quality targets. Working closely with Perceived Quality, Design, Manufacturing and Vehicle Engineering teams, you will help define and govern the vehicle dimensional control strategy across both exterior and interior systems. Key...
IR35 Status:
Unknown Status

CV-Library Bicester, Oxfordshire Contractor
CL
Apr 30, 2026  
EC&I Protection Engineer
EC&I Protection Engineer 📍 Warrington (1 day per week on site) | 🏠 4 days WFH 📅 12-Month Contract We are currently recruiting for an experienced EC&I Protection Engineer to support a major electrical infrastructure programme within a highly regulated industrial environment. This is an excellent opportunity to contribute to complex power distribution projects, working on critical systems and ageing assets. The Role As EC&I Protection Engineer, you will play a key role in the development, modelling, and assurance of electrical protection systems across the project lifecycle. Key responsibilities include: Creation and ongoing updating of project ETAP models Production of fault calculations in line with BS EN 60909 Preparation of protection coordination reports Delivery of arc flash risk assessments Providing power and protection technical support to the wider design team Contributing to the development and improvement of engineering standards and best practiceThis...
IR35 Status:
Unknown Status

CV-Library Warrington, UK Contractor
CL
Apr 29, 2026  
Software Engineer
Software Engineer 12 Month Contract Newcastle or Guildford (Hybrid) up to £70 per hour Role Overview Belcan are currently working with one of the leading companies in Aviation, to support them in their search for a Software Engineer. The Software Engineer will join their collaborative, forward-thinking Agile Scrum team, working on innovative Geospatial software, using the latest cloud-based technologies. The engineer will be involved in every stage of the software development lifecycle, from initial design through development, testing, and deployment, delivering robust, scalable cloud-based services. The role is based at the clients Newcastle or Guildford office. Flexible working arrangements are in place for the team. The successful candidate is expected to be in the office 3 days a week, with the opportunity to work 2 days from home. Responsibilities Develop high-quality, readable, scalable and easily maintained code, using Java and related technologies, meeting...
IR35 Status:
Unknown Status

CV-Library Newcastle upon Tyne, Tyne and Wear Contractor
CL
Apr 29, 2026  
Embedded DSP SW Engineer - Software Defined Radio Datalink
Our client, a distinguished organisation in the Defence & Security sector, is currently seeking a skilled Embedded DSP SW Engineer to contribute to their Software Defined Radio Datalink projects. This contract position based in Stevenage offers an exciting opportunity to make a significant impact in a cutting-edge field. Key Responsibilities: Developing software for digital signal processing (DSP) applications Implementing embedded C programming for software-defined radio datalink projects Utilising SysML/UML for system modelling and design Collaborating with cross-functional teams to ensure successful project delivery Conducting detailed technical assessments and troubleshooting issues related to software and hardware interfaces Maintaining documentation to support software development processes Adhering to security clearance requirements and industry regulations Job Requirements: Extensive experience in digital signal processing (DSP) Proficiency in embedded C...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Apr 29, 2026  
Embedded Ada Software Engineer
An opportunity has arisen with my client for a Embedded Ada Software Engineer to join them on an initial 12 -month contract. As the Embedded Ada Software Engineer you will work across the entire software engineering lifecycle, from discussing requirement change with the Systems team, all the way to being involved with qualification and software releases. Role: Embedded Ada Software Engineer Pay: £68 per hour via Umbrella Company Location: Bristol Contract: 12 Months Hours: Monday - Friday, 37 hours per week Security Clearance: Security Clearnce to start, UK Eyes only project Responsibilites Develop and maintain safety-critical command and control (C2) software for advanced maritime and land-based missile systems, ensuring compliance with rigorous industry and defence standards. Collaborate with Systems Engineering teams to review, analyse, and implement evolving system requirements throughout the full software development lifecycle. Design, code, test, and verify...
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
Apr 29, 2026  
Developer - IDAM/IAM SME SC Cleared - £550 - £650 per day
Java Developer - IDAM/ IDM SME - SC Cleared - £550 - £650 per day - remote with occasional travel Developer - IDAM/IAM SME SC Cleared - £550 - £650 per day We are looking for a Developer with very strong and proven IDAM (Identity and Access Management) experience for a large Government client. 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). Java Developer - IDAM/ IDM experience - SC Cleared - £500 - £600 per day - remote with occasional travel As a Senior Software Engineer with a focus on back-end development, you will play a key role in designing,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 26, 2026  
E&I Design Engineer
E&I Designer Altrad are currently seeking an E&I Designer to join the business and provide design support for electrical and instrumentation systems. The successful candidate will produce, review, and check detailed designs to meet functional, safety, and business requirements while supporting operational teams and ensuring compliance with internal and external standards. Key Deliverables: * Lead the development, review, and delivery of E&I designs in accordance with project specifications, standards, and client requirements. * Prepare and maintain detailed electrical and instrumentation drawings, schematics, and specifications. * Develop and implement local design procedures and standards to ensure compliance with company and industry requirements. * Liaise with project managers, engineers, and clients to ensure design integrity and feasibility. * Conduct design reviews and provide technical guidance to junior designers and engineering teams. *...
IR35 Status:
Unknown Status

CV-Library Warrington, Cheshire Contractor
CL
Apr 26, 2026  
Fullstack Software Engineer (Agentic AI)
My client is seeking to recruit a Fullstack Software Engineer on an initial 12 month contract based in London. It is hybrid and will require 2x days onsite per week. Key responsibilities Front end implementation for a React application Visualizing and interacting with scientific data and workflow progression Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according to best practices, including automated test suites and documentation Develop, measure, and monitor key metrics for all tools and services and consistently seek to iterate on and improve them Participate in code reviews, continuously improving personal standards as well as the wider team and product Liaise with other technical staff and data engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience with frontend software...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
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