66 software engineer jobs found

Contract Software / Golang Engineers - (Outside IR35) Role : Software Engineer (Golang / AI-enabled engineering) Day Rate : £450 a day (maybe some wiggle room for the right person) Duration : Initial 6 months IR35 : Outside IR35 Location : Fully remote (UK-based) We are currently partnering with a growing technology consultancy that is supporting a well-known UK brand on a large-scale engineering transformation programme. As part of this engagement, they are looking to bring in a number of high-calibre contract software engineers to play a key role in delivering meaningful change across their engineering function. This is a high-impact opportunity to work on a complex transformation, combining modern backend engineering (Golang) with the adoption of AI-enabled development practices . The Role You will be embedded within a team that requires support transitioning from legacy practices and low delivery velocity into a more modern,...

Software Engineer - Simulation Location: Yeovil , 2 days a week on site Duration: 12 Months + Rate: Up to £60 p/h Ltd Outside IR35 SC Clearance required. Support development of synthetic environments for both crewed and un-crewed rotary wing platforms within the LH Engineering function. Suitable applicants will have experience in the following areas: C++ Software Engineering Experience working in the aerospace domain. Experience working in an aerospace platform simulation team highly desirable. Experience with the following tools beneficial: Visual Studio Simulink For all applicants, the ability to work well in a team is a must, as well as being able to take responsibility for own tasks and drive them to completion, seeking support from others where required, and communicating any delivery issues to line management. All tasks will require a level of innovation, and may need the applicant to obtain further information from experts outside of the Simulation team.

A company that specialise in electro-mechanical systems for electric vehicles is seeking to recruit an Embedded Software Engineer to work on a contract that is initially scheduled for 6 months (outside IR35) from their site in Surrey (4 days per week onsite, 1 day from home). The Role This position will involve Embedded C related software Engineering for low level driver development click apply for full job details

Lead Software Engineer - Full Stack (React, .NET, FastAPI) - Quant/Private Equity - Outside ir35 Lead Software Engineer - Quant/Private Equity - Outside ir35 will be working for one of the world's leading consultancies operating out of the United Arab Emirates working directly with Sovereign Wealth Funds. Key Skills: - React - .NET - FastAPI There are several positions here all ranging in seinority/experience (rates will vary accordingly) Lead Software Engineer - Quant/Private Equity - Outside ir35 - Fully Remote

Contract role: Senior Software Engineer: Up to £475 per day Outside IR35: 6 months rolling: Hybrid Monthly (London) An innovative digital consultancy is looking for experienced Senior Software Engineers to design and architect scalable, high-performance systems for a cutting-edge platform being developed for a major client. In this role, you'll tackle complex technical challenges as part of an agile team following Scrum methodologies. As a Senior Software Engineer, you'll set the standard for code quality and best practices, actively contributing to code reviews and collaborative programming sessions with your team. As a Senior Software Engineer, you will be experienced with: C#, .Netcore JavaScript, React.js AWS or Azure Key information: Up to £475 per day Outside IR35 6 months rolling Hybrid Monthly (London) This is an exciting opportunity for a Senior Software Engineer to join a high-performing development team. Contract role: Senior Software...

Contract : Software Engineer (Automotive) Location: Farnborough Contract Type: Contract Pay: £45–55 per hour (Outside IR35) About the Role You will be working on low level embedded software within a focused project, contributing to base software and driver development as the programme moves towards a production phase.   What We Are Looking For • Strong experience working with AUTOSAR,  • Hands on experience developing low level drivers and embedded software • Experience working with non volatile memory concepts and associated challenges • Strong debugging and problem solving skills within embedded environments • Experience delivering software across the full lifecycle, from requirements through to validation • Exposure to diagnostics and communication stacks within embedded systems • Ability to communicate technical concepts clearly and work effectively across...

Immediate Contract Opportunity - Senior Embedded Software Engineer (Outside IR35) Are you an experienced Embedded Software Engineer who thrives on bringing products across the finish line? I'm working with an innovative engineering client who needs a hands-on expert to step in and help deliver 2 -3 near-complete products into production . This is a high-impact role where your work will directly shape final delivery. Fast-Track Hiring Process CV review: 09/04/26 (4:30 PM) Interviews: 13/04 Start date: 20/04 What You'll Be Doing Taking ownership of temperature controller products in late-stage development Delivering high-quality Embedded C code on PIC microcontrollers Ensuring systems are robust, fully tested, and production-ready Working with schematics & digital-to-analog conversion Collaborating closely with hardware teams using KiCad Location : Hybrid (50% remote / 50%...

Contract Software Engineer opportunity - £600 p/d – Manchester - Outside IR35 I have an immediate requirement with a client for a Contract Software Engineer to work on a large-scale SaaS product Key Technical Skills JavaScript/Typescript React Node AWS, Lambdas, Serverless Event-driven, Microservices, APIs The client need someone who can come in and make an immediate impact in terms of being able to be hands on with the code but then also driving the project forward in tandem with internal and external stakeholders. The ideal candidate will know JavaScript frontend and backend like the back of their hand. If you’re interested in learning more about the opportunity, apply through the link and I’ll be in touch ASAP

Contract role : Senior Software Engineer : Up to £475 per day Outside IR35 : 3 months rolling : Hybrid Monthly (London) An innovative digital consultancy is looking for experienced Senior Software Engineers to design and architect scalable, high-performance systems for a cutting-edge platform being developed for a major client. In this role, you’ll tackle complex technical challenges as part of an agile team following Scrum methodologies. As a Senior Software Engineer, you’ll set the standard for code quality and best practices, actively contributing to code reviews and collaborative programming sessions with your team. As a Senior Software Engineer, you will be experienced with: C#, .Netcore JavaScript, React.js AWS Key information: Up to £475 per day Outside IR35 3 months rolling Hybrid Monthly (London) This is an exciting opportunity for a Senior Software Engineer to join a high-performing development team. Contract role :...

AI Software Engineer Contract: 6 months, Outside IR35, London, 1 day a week on-site Project Scope The AI Software Engineer will be responsible for developing and deploying AI and machine learning solutions that directly interface with hardware systems. The role spans full project lifecycle, from model design and software development to deployment on embedded hardware, collaborating closely with hardware engineers, system architects, and product teams. Technical Scope Develop AI and machine learning models optimized for hardware execution (edge devices, FPGAs, GPUs, or specialised accelerators). Integrate AI algorithms with embedded systems, sensors, or real-time hardware platforms. Optimize software for performance, low latency, memory efficiency, and energy consumption. Collaborate with hardware and firmware teams to ensure smooth end-to-end system operation. Support testing, validation, and debugging on physical hardware prototypes. Required Experience...

A company that specialise in electro-mechanical systems for electric vehicles is seeking to recruit an Embedded Software Engineer to work on a contract that is initially scheduled for 6 months (outside IR35) from their site in Surrey (4 days per week onsite, 1 day from home). The Role This position will involve Embedded C related software Engineering for low level driver development click apply for full job details

Contract Description Senior Software Engineer – Java (Contractor) Outside IR35 Rate: £400 - £500 per day Duration: 3 Months Plus Start Date: ASAP As a Senior Software Engineer (Java) – Contractor at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required. Key Responsibilities: Design and develop scalable backend systems using Java and Spring Boot Deliver well-structured, maintainable, and testable code aligned with...

Contract Senior Embedded Software Engineer Rate: up to £60pphr + VAT, outside IR35 Location: East Sussex (Hybrid: 2 days onsite, 3 days remote) Our client, a well-established and financially secure engineering organisation, is seeking a Senior Embedded Software Engineer to join their expanding development team. This is a fantastic opportunity to work within a company recognised for its long-term stability, strong engineering ethos, and continued investment in innovation. You’ll be part of a collaborative, multi-disciplinary team, playing a key role in developing embedded software for advanced electronic systems. The position offers involvement across the full software development lifecycle—from initial requirements through to validation and release. The Role As a Senior Embedded Software Engineer, you will design, develop, and support embedded software for controller systems, instrumentation, and user interfaces. You’ll contribute to both new product development and...

Java / Microservices / API design / LLMs / AI / Claude Code / Copilot Company:  Financial Services Location:  London - Hybrid 3 days per week Rate:  £575 IR35:  Outside CORE BANKING AND TRADING SYSTEMS EXPERIENCE ESSENTIAL Join a newly formed Service Modernisation & AI team driving AI-first software development in financial services. This is a hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You’ll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains in performance and reliability Build AI-powered tooling, including MCP servers and AI-assisted CI/CD pipelines Demonstrate how AI transforms developer productivity and code quality What We’re Looking For 6+ years’ backend engineering experience (Java)...

Contract Senior Embedded Software Engineer Rate: up to £60pphr + VAT, outside IR35 Location:  East Sussex (Hybrid: 2 days onsite, 3 days remote) Our client, a well-established and financially secure engineering organisation, is seeking a  Senior Embedded Software Engineer  to join their expanding development team. This is a fantastic opportunity to work within a company recognised for its long-term stability, strong engineering ethos, and continued investment in innovation. You’ll be part of a collaborative, multi-disciplinary team, playing a key role in developing embedded software for advanced electronic systems. The position offers involvement across the full software development lifecycle—from initial requirements through to validation and release. The Role As a Senior Embedded Software Engineer, you will design, develop, and support embedded software for controller systems, instrumentation, and user interfaces. You’ll contribute to both new product development and...

Full job description Contract Senior Embedded Software Engineer Rate: up to £60pphr + VAT, outside IR35 Location:  East Sussex (Hybrid: 2 days onsite, 3 days remote) Our client, a well-established and financially secure engineering organisation, is seeking a  Senior Embedded Software Engineer  to join their expanding development team. This is a fantastic opportunity to work within a company recognised for its long-term stability, strong engineering ethos, and continued investment in innovation. You’ll be part of a collaborative, multi-disciplinary team, playing a key role in developing embedded software for advanced electronic systems. The position offers involvement across the full software development lifecycle—from initial requirements through to validation and release. The Role As a Senior Embedded Software Engineer, you will design, develop, and support embedded software for controller systems, instrumentation, and user...

.NET Contract Outside IR35 £570/day Bristol Hybrid (3 days in the office) 12-months We're working with one of the fast-scaling fintechs building innovative payments and financial services technology. With serious investment behind them and a growing engineering team. The Role (x2) Operations Enablement Internal tooling squad within the Customer Lifecycle team, building the systems that hel click apply for full job details

Senior Software Engineer - Outside IR35 - Contract - Current SC Essential We're hiring a Senior Software Engineer to join a high-impact government programme of work. This is an outside IR35 contract with a strong potential for extension beyond the initial 6-month term, making it a great opportunity for experienced contractors looking for stability and interesting work. The project sits within a complex, delivery-focused environment where your engineering decisions will genuinely matter. You'll be working as part of a collaborative team building robust, scalable solutions for a public sector client. Tech Experience: Java, Spring Boot, Typescript and React. £550 per day outside IR35 Start date: 28/04/2026 End date: 30/10/2026 About Softwire Softwire is a leading UK technology and strategy consultancy. From enterprise to government, we help visionary organisations turn strategic ambitions into results at scale. Our practices cover AI...

Contract Golang Engineer opportunity - Up to £450 p/d - Outside IR35 - Fully Remote Morson Edge are seeking a skilled Golang Engineer to join a major replatforming and migration project focused on modernising existing software platforms and infrastructure. The role involves transforming legacy systems to be cloud-ready, enabling on-demand deployment and delivery through a Docker and Kubernetes-based stack. You will work closely with DevOps and infrastructure teams, combining software engineering expertise with a strong operational mindset. This is a high-impact role with an initial 6 month duration (likely to extend to 12), after which you will support the handover and training of permanent engineers to ensure smooth knowledge transfer. Experience with C#/.Net is a plus but not essential. The successful candidate will thrive in a fast-paced environment, contributing to a large-scale migration and replatforming effort with a strong DevOps feel. Key Responsibilities...

Software Contractor - Defence Requirements: Embedded Linux (Yocto & Petalinux), experience of Zynq Ultrascale FPGAs in particular, Qt C++ Gui. Not all of them are essential but a combination of them would be. Contract details: Outside IR35, 6 month length with view to extend for another 6 months Up to £100ph Onsite, Cambridge based SC clearance would be beneficial but they can do BPSS to bring you in If this role could be of interest then please apply or email your CV to ollieh@lynxrecruitment.co.uk