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27 software engineer jobs found

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software engineer £400 - £500
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Outside Spy
Apr 15, 2026
Duration not stated
Senior Software Engineer at Inara, United Kingdom, £450 per day
£450 per day
Outside Spy United Kingdom
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,...
Outside Spy
Apr 13, 2026
6 Months or more
Senior Software Engineer at Formula Recruitment, London, 6 Months, to £475 per day Outside IR35
£375 - £475 per day
Outside Spy London, UK
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...
Outside Spy
Apr 09, 2026
Duration not stated
Software Engineer (Automotive) at Avanti Recruitment, Farnborough, Hampshire, £45 to £55 per Hour
£300 - £400 per day
Outside Spy Farnborough, Hampshire
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...
Outside Spy
Apr 08, 2026
Duration not stated
Senior Software Engineer at Formula Recruitment, United Kingdom, £475 per day
£475 per day
Outside Spy United Kingdom
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 :...
Outside Spy
Apr 07, 2026
Duration not stated
Senior Software Engineer at Zenovo, Eastbourne/Hybrid, to £60 an hour
£380 - £480 per day
Outside Spy Hybrid (Eastbourne, UK)
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...
Outside Spy
Apr 14, 2026
Duration not stated
Contract Software Engineer at Morson Edge, United Kingdom, £450 per day
£450 per day
Outside Spy United Kingdom
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...
Outside Spy
Apr 14, 2026
Duration not stated
Senior Software Engineer at Belcan, United Kingdom, £500-£600 per day
£500 - £600 per day
Outside Spy Remote (United Kingdom)
Job Title: Senior Software Developer Location: Remote (South Coast England) Estimated Duration: 6 months Weekly hours : 40 hours Engagement Type: Outside IR35-Limited contract Rate: £500 - £600 per day Our Client is an Energy technology company are seeking to recruit Senior Software Developer and this is a Remote role. The role is for a contract position of 6 months Outside IR35. Our client has 150-year legacy of innovation and will focus on energy transformation, new technologies, decarbonization and Innovative leading-edge technology. Role: Role Overview This is a 6 month contractor assignment for an experienced Senior Software Developer with a strong focus on business analysis and pre-development solution shaping within a finance environment. The role is designed to provide short-term, high-impact support to Finance and Digital teams by ensuring business needs are clearly understood, analysed and translated into actionable requirements before...
Outside Spy
Apr 01, 2026
Duration not stated
Senior Software/Data Engineer (Contract) at Softwire, London Area, £500-£585 per day
£500 - £585 per day
Outside Spy London Area, United Kingdom
Senior Software Developer / Data Engineer - (Contract Outside IR35) In brief We’re looking for well-rounded software developers with experience in data engineering, with a proven ability to tackle complex data challenges, make an excellent impression on clients, and have a high impact on the output of your entire team. We provide a supportive environment with a strong focus on individual career progression, where you will have both the mentorship and project opportunities you need to develop your technical skills. You’ll work in a team alongside other talented developers and data engineers, supported by a Technical Lead. Projects span a range of sizes and multiple sectors and technologies. The role Experience and qualifications You have 4+ years’ experience and a breadth & depth of technical knowledge & expertise, particularly in data engineering, and can solve technical challenges across front-end, back-end, and infrastructure. You have...
Outside Spy
Apr 15, 2026
Duration not stated
DevOps Engineer at Haystack, London, £400-£500 per day
£400 - £500 per day
Outside Spy London, England, United Kingdom
DevOps Engineer | £400 - £500 We're working with a leading specialist IT consultancy delivering mission-critical infrastructure for high-security environments on this exciting opportunity. Are you an SC Cleared Platform Engineer who views infrastructure through the lens of a Software Engineer? We are looking for an Azure expert to join a high-impact project, focusing on advanced Infrastructure as Code (IaC), automated testing, and secure-by-design architecture. You will be at the forefront of building resilient, high-availability cloud environments using a modern stack including Terraform, Bicep, and GitHub Actions. The Role Design and implement high-availability Azure architectures featuring regional failover and load balancing strategies directly within IaC templates. Build and maintain scalable, reusable Terraform and Bicep modules, driving consistency and modularity across the infrastructure estate. Champion Test-Driven Development (TDD) principles by...
Outside Spy
Apr 08, 2026
Duration not stated
Full Stack Engineer (React/.NET) - Front-end Leaning at Tenth Revolution Group, United Kingdom, £400-£430 per day
£400 - £430 per day
Outside Spy United Kingdom
Senior Software Engineer (Frontend-Leaning) – React / TypeScript / .NET Remote / Hybrid (UK & Ireland) Contract - Outside IR35 £400-430 p/d A fast-growing healthcare technology company is building an AI-driven compliance and patient safety platform used by healthcare organisations across Ireland, the UK, and Australia. We’re at a key growth stage. The product is live, scaling fast, and we’re expanding the engineering team to build new modules from scratch. This is not a maintenance role or a legacy rebuild – it’s an opportunity to shape and deliver new product in a modern SaaS environment. The Role We’re looking for frontend-leaning engineers who enjoy building high-quality user interfaces but are also comfortable working across the full stack when needed. You’ll work alongside experienced principal engineers to design and deliver features end-to-end, with a strong focus on frontend development within a modern SaaS platform. Initial focus areas...
Outside Spy
Apr 07, 2026
Duration not stated
Full Stack engineer- 3 days a week at Radar Healthcare, Leeds/Remote, £400 a day
£400 per day
Outside Spy Remote (Leeds, UK)
Full job description Our Story Be a part of something bigger... Radar Healthcare is dedicated to improving patient safety by bringing together the expertise of healthcare professionals and the power of intuitive software. Our innovative platform has been developed in partnership with industry experts to ensure organisations always meet regulatory standards – making it easier than ever for healthcare providers to deliver top-quality care to their patients. We’re on a mission to become a world-leading health-tech pioneer, and we know that we can only achieve this with the help of talented individuals like you. If you’re passionate about improving healthcare outcomes and want to work in a team of like-minded individuals, we invite you to join us on our journey. So if you’re up for an exciting challenge and want to be part of a team that’s making a real impact, we’d love to hear from you! Our Values At Radar...
Outside Spy
Apr 15, 2026
Duration not stated
Lead Technical Specialist RF Engineer at ECS Resource Group Ltd, Greater London, £400 to £450 per Day
£400 - £450 per day
Outside Spy Greater London, UK
OUTSIDE IR35 CONTRACT Duration - 9-12 Months ECS Resource Group are currently working in partnership with a global managed service provider, assisting them with the search for a Lead Technical Specialist RF Engineer on a contract basis. Key Responsibilities Act as a technical advisor throughout the sales cycle, supporting customer engagement and delivering solution designs, bills of materials, and technical documentation Partner with business leaders and sales teams to support strategy execution through technical guidance, coaching and mentorship Collaborate with internal technical resource teams to efficiently deliver project outcomes and improve turnaround times Maintain current knowledge of system architectures and emerging technologies to provide relevant, customer-focused solutions Build and manage relationships with technology partners and vendors to support solution development and market positioning Deliver technical presentations, training sessions, and...
Outside Spy
Apr 15, 2026
Duration not stated
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract at Owen Thomas | B Corp™, United Kingdom, £400-£450 per day
£400 - £450 per day
Outside Spy Remote (United Kingdom)
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...
Outside Spy
Apr 15, 2026
Duration not stated
Lead Technical Specialist RF Engineer at ECS, Uxbridge, London, £400-£450 per day
£400 - £450 per day
Outside Spy Uxbridge, UK
OUTSIDE IR35 CONTRACT Duration - 9-12 Months ECS Resource Group are currently working in partnership with a global managed service provider, assisting them with the search for a Lead Technical Specialist RF Engineer on a contract basis. Key Responsibilities Act as a technical advisor throughout the sales cycle, supporting customer engagement and delivering solution designs, bills of materials, and technical documentation Partner with business leaders and sales teams to support strategy execution through technical guidance, coaching and mentorship Collaborate with internal technical resource teams to efficiently deliver project outcomes and improve turnaround times Maintain current knowledge of system architectures and emerging technologies to provide relevant, customer-focused solutions Build and manage relationships with technology partners and vendors to support solution development and market positioning Deliver technical presentations, training sessions, and...
Outside Spy
Apr 14, 2026
Duration not stated
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract at Owen Thomas | B Corp™, United Kingdom, £400-£450 per day
£400 - £450 per day
Outside Spy Remote (United Kingdom)
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...
Outside Spy
Apr 14, 2026
Duration not stated
DevOps Engineer at VIQU IT, Greater London, £400 to £500 per Day
£400 - £500 per day
Outside Spy Greater London, UK
Azure DevOps Engineer – 6-month contract – SC Cleared – London/Remote – Outside of IR35 My SC Cleared customer is seeking a highly skilled Azure DevOps / Platform Engineer with deep, hands-on experience in Azure-native engineering and advanced Infrastructure as Code (IaC) practices. This role is ideal for someone who operates at the intersection of DevOps and Software Engineering—bringing a strong development mindset to infrastructure design, automation, and testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Infrastructure as Code (IaC) Expert-level proficiency with Terraform and/or Bicep Strong focus on modularity, reusability, and maintainability Experience integrating automated testing frameworks (e.g. Terratest, Checkov) Azure Networking...
Outside Spy
Apr 14, 2026
Duration not stated
DevOps Engineer at VIQU IT Recruitment, Westminster, London, £400-£500 per day
£400 - £500 per day
Outside Spy Westminster, London SW1, UK
Azure DevOps Engineer – 6-month contract – SC Cleared – London/Remote – Outside of IR35 My SC Cleared customer is seeking a highly skilled Azure DevOps / Platform Engineer with deep, hands-on experience in Azure-native engineering and advanced Infrastructure as Code (IaC) practices. This role is ideal for someone who operates at the intersection of DevOps and Software Engineering—bringing a strong development mindset to infrastructure design, automation, and testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Infrastructure as Code (IaC) Expert-level proficiency with Terraform and/or Bicep Strong focus on modularity, reusability, and maintainability Experience integrating automated testing frameworks (e.g. Terratest, Checkov) Azure Networking &...
Outside Spy
Apr 14, 2026
Duration not stated
DevOps Engineer at VIQU Ltd, London, £400-£500 per day
£400 - £500 per day
Outside Spy London, UK
Azure DevOps Engineer - 6-month contract - SC Cleared - London/Remote - Outside of IR35 My SC Cleared customer is seeking a highly skilled Azure DevOps/Platform Engineer with deep, hands-on experience in Azure-native engineering and advanced Infrastructure as Code (IaC) practices. This role is ideal for someone who operates at the intersection of DevOps and Software Engineering-bringing a strong development mindset to infrastructure design, automation, and testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Infrastructure as Code (IaC) Expert-level proficiency with Terraform and/or Bicep Strong focus on modularity, reusability, and maintainability Experience integrating automated testing frameworks (eg Terratest, Checkov) Azure Networking &...
Outside Spy
Apr 13, 2026
Duration not stated
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract at Owen Thomas | B Corp™, United Kingdom, £400-£450 per day
£400 - £450 per day
Outside Spy Remote (United Kingdom)
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...
Outside Spy
Apr 13, 2026
6 Months or more
Senior Data Centre Network Engineer - Remote - 12 Months at Hamilton Barnes, United Kingdom, 12 Months, £500 per day
£500 per day
Outside Spy Remote (United Kingdom)
Senior Data Centre Network Engineer - Remote - 12 Months - Outside IR35 We are seeking a Senior Data Centre Network Engineer to lead the design, build, and evolution of high-performance, scalable data centre networks. This role is focused on modern spine-leaf architectures, SDN, and automation, supporting large-scale, low-latency environments including cloud platforms, AI workloads, and distributed systems. Key Responsibilities Design and implement spine-leaf data centre network architectures for high availability and scalability Lead the adoption and optimisation of Software-Defined Networking (SDN) solutions Architect low-latency, high-throughput networks to support AI, cloud, and data-intensive workloads Define and enforce network standards, blueprints, and best practices Own Layer 2/Layer 3 design, including routing, switching, and segmentation strategies Design and optimise east-west traffic flows within large-scale DC environments Collaborate with...
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