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24 software engineer jobs found in London

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London software engineer
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Outside Spy
Apr 17, 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 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 02, 2026
Duration not stated
Senior Software Engineer (Contract / SC Essential) at Softwire, London Area, £550 per day
£550 per day
Outside Spy London Area, United Kingdom
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...
Outside Spy
Apr 13, 2026
Duration not stated
Software Engineer at Haystack, London, £Contract Rate
Outside Spy London, England, United Kingdom
Automation Developer We're working with a major enterprise transformation leader on this exciting opportunity. This is a high-impact, Outside IR35 contract for a seasoned Power Automate expert to join a large-scale digital evolution. You will lead the charge in designing and deploying sophisticated RPA and intelligent automation solutions that integrate cutting-edge AI, OCR, and Machine Learning capabilities. The Role Lead the end-to-end automation lifecycle, translating complex process requirements into robust Solution Design Documents (SDDs). Build and optimize high-performance Power Automate cloud flows and hybrid RPA workflows to drive operational efficiency. Integrate advanced Intelligent Automation capabilities, including Machine Learning (ML), NLP, and OCR, into existing frameworks. Collaborate with Technical and Change teams within an Azure DevOps environment to ensure seamless deployment and post-go-live support. Champion development best practices and...
Outside Spy
Apr 10, 2026
Duration not stated
Java Software Engineer at TechShack, London Area, £600 per day
£600 per day
Outside Spy London Area, United Kingdom
Java Developer (React / Java) – SC Cleared Contract | £600/day | Outside IR35 We’re supporting a high-profile public sector programme and are looking for an experienced SC Cleared Java Developer to join an established delivery team. Key Details: Rate: £600/day (Outside IR35) Clearance: Active SC required Start Date: ASAP Location: 1–2 days onsite per week (UK-based) Interview Process: 2 stages Responsibilities: Develop and maintain backend services using Java (~70% of workload) Build frontend interfaces using React (~30% of workload) Collaborate with cross-functional teams in an Agile delivery environment Contribute to architecture decisions and engineering best practices Support secure, scalable, high-performance application delivery Required Experience: Strong commercial experience in Java (Spring Boot preferred) Solid React frontend experience Proven track record working in secure or government environments...
Outside Spy
Apr 08, 2026
Duration not stated
Software Engineer at TechShack, London Area, £600–£650 per day
£600–650 per day
Outside Spy London Area, United Kingdom
Full Stack Developer (TypeScript / React / Node.js) – DV Cleared Contract | £600–£650/day | Outside IR35 We’re supporting a high-profile programme within the secure government space and are looking for an experienced DV Cleared Full Stack Developer to join an established delivery team. Key Details: Rate: £600–£650 per day (Outside IR35) Clearance: Active DV required Start Date: End of April Location: 1–2 days onsite per week (UK-based) Interview Process: 2 stages Responsibilities: Build and maintain scalable full stack applications using TypeScript, React, and Node.js Develop secure, high-performance APIs and front-end interfaces Deploy and manage applications within AWS cloud environments Collaborate with cross-functional teams in an Agile delivery setting Contribute to architecture decisions and best practice engineering standards Required Experience: Strong commercial experience across TypeScript, React, and Node.js...
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 17, 2026
Duration not stated
Full Stack Engineer at Few&Far, London Area, £700 per day
£700 per day
Outside Spy London Area, United Kingdom
Senior Full Stack Developer -Contract Opportunity (Outside IR35) 💰 Up to £700 a day 🌍 1 day a week in London 📅 Start: Monday 27th April ⏳ 6-month contract We’re looking for a Senior Software Engineer to take real ownership across a modern TypeScript stack, delivering end-to-end solutions across both backend (Priority) and frontend. 🔧 What you’ll be doing: *Building scalable APIs with Node.js, NestJS, Prisma & PostgreSQL *Developing modern frontends using React, Next.js & Vite *Integrating third-party tools (payments, auth, etc.) *Leveraging AI tools (e.g. Cursor, Claude, OpenAI) to enhance development workflows and productivity *Contributing to architecture, standards, and technical direction *Delivering production-ready systems from concept to deployment 🧠 What we’re looking for: *5+ years in fullstack development (TypeScript-focused) *Strong backend experience (Node.js, NestJS preferred) *Solid frontend skills (React, Next.js) *Experience...
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 09, 2026
6 Months or more
C# Developer at Lorien, London, 6 Months, £750-£800 per day
£750 - £800 per day
Outside Spy London, UK
Senior C# Developer - Commodities Trading - Outside IR35 Exciting opportunity for an experienced senior developer to build on their experience in Commodities or similar trading development role in this successful Commodities Trading company. £750 - 800 per day Outside IR35 The Senior C# Developer will have significant prior experience as a Senior Software Engineer/Senior Developer working as C# Developer in a Commodities trading environment where they will have gained knowledge of the full trade life cycle and feel comfortable speaking directly to traders and senior stakeholders in the business as well as senior technical colleagues such as architects. Central London location, with Hybrid working expected. Very strong core skills in C# are expected Good knowledge of Commodities Trading is also required. Please apply now if your curious to learn more, for a confidential discussion about the role and company Guidant, Carbon60, Lorien & SRG - The Impellam Group...
Outside Spy
Apr 09, 2026
Duration not stated
C# Developer at SRG, City of London, £Negotiable Rate
Outside Spy City of London, London, UK
Senior C# Developer - Commodities Trading - Outside IR35 Exciting opportunity for an experienced senior developer to build on their experience in Commodities or similar trading development role in this successful Commodities Trading company. £750 - 800 per day Outside IR35 The Senior C# Developer will have significant prior experience as a Senior Software Engineer / Senior Developer working as C# Developer in a Commodities trading environment where they will have gained knowledge of the full trade life-cycle and feel comfortable speaking directly to traders and senior stakeholders in the business as well as senior technical colleagues such as architects. Central London location, with Hybrid working expected. Very strong core skills in C# are expected Good knowledge of Commodities Trading is also required. Please apply now if your curious to learn more, for a confidential discussion about the role and company Guidant, Carbon60,...
Outside Spy
Apr 17, 2026
Duration not stated
System Engineer at Matchtech, London Area, £Contract Rate
Outside Spy London Area, United Kingdom
Systems Engineer – Aviation Technology Contract Outside IR35 Remote (UK) Regular travel to Manchester & London Are you a Systems Engineer who thrives in fast‑paced, mission‑critical environments? Do you want to work on cutting‑edge technology that directly improves the safety, security, and efficiency of airport operations worldwide? We’re recruiting a Systems Engineer to join a highly skilled engineering team delivering innovative Digital Airport and Remote Tower solutions at the forefront of aviation technology. This is a high‑energy role where technical excellence, ownership, and collaboration are key. The Role Reporting to the Engineering Lead (Europe), you’ll work closely with senior technical and operational leaders to design, deploy, and support complex systems used in live airport environments. You’ll be involved end‑to‑end — from requirements and design through installation, testing, optimisation, and continuous improvement. Key...
Outside Spy
Apr 17, 2026
Duration not stated
DevOps Engineer at VIQU IT Recruitment, London, £Contract Rate
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 click apply for full job details
Outside Spy
Apr 17, 2026
6 Months or more
Desktop Support/Engineer, M365, AD, Win 11, Outside IR35 at Sanderson Recruitment Plc, City of London, 6 Months, £200-£275 per day
£200 - £275 per day
Outside Spy City of London, UK
Desktop Engineer, Win 11, Active Directory, M365, Hardware support, Laptops, Printers 6 months Outside of IR35 Fully on-site The successful applicant for the Desktop Engineer vacancy will be responsible for ongoing BAU support for IT Desktop systems, both hardware and software. This is a fully on site role. Excellent communication and customer skills are essential. A background in hands-on 1st and 2nd line desktop support is essential. Skills & experience required: - Managing and configuring Windows OS and software applications Win 11 Print server admin Familiarity with network protocols, security concepts, and system administration. Experience working with Active Directory O365 Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of...
Outside Spy
Apr 16, 2026
Duration not stated
Azure DevOps Engineer at Cognitive Group | Part of the Focus Cloud Group, London Area, £Contract Rate
Outside Spy London Area, United Kingdom
Azure Senior DevOps Engineer, 6 month initial, contract, outside IR35, 3 days of remote / week Attractive opportunity for a well-rounded Azure DevOps Engineer to join a London based scale-up that is a major international player in AI and whose innovation you will surely be benefiting from very soon! Do you want to secure a disruptive project? If you accept, your mission will be to take part in securing and managing an immense quantity of data in order to develop a solution that will revolutionize the daily lives of millions of people. Main tasks: assist the engineering team to build, test and ship software for all cloud platforms and infrastructure build and run secure and highly reliable cloud environments specific to Azure improve infrastructure as code, scale and reduce errors, move from dev to production environments safely and securely, automate environments, observing and monitoring health of systems, logg metrics and alerts use containerisation,...
Outside Spy
Apr 15, 2026
Duration not stated
Engineering Manager (C#) at La Fosse Associates, London, £700-£750 per day
£700 - £750 per day
Outside Spy London, UK
Join a leading Insuretech company where you'll drive engineering excellence while leading high-performing teams in a collaborative, innovation-focused environment. Salary: £700 - 750 per day Engineering Manager (C#) - £700-750 per day – London (.NET, C#, SQL, Azure, Kubernetes, Docker, CI/CD Pipelines) We're working with a leading Insuretech company that are looking for an Engineering Manager to join them for an initial 6-month contract. This person will be tasked with leading engineering teams by combining strong delivery management with hands-on technical leadership and stakeholder management. This role will fall OUTSIDE IR35 and will require travel to their City of London based office twice per week. Skills & Experience Required Strong background as a senior engineer, architect, or technical lead with demonstrable delivery experience. Ability to apply algorithmic thinking and structured problem solving to real-world engineering challenges. Proven experience...
Outside Spy
Apr 15, 2026
Duration not stated
Engineering Manager (C#) at La Fosse Associates, London EC2M, £700 - £750 per day
£700 - £750 per day
Outside Spy London, UK
Full job description Join a leading Insuretech company where you'll drive engineering excellence while leading high-performing teams in a collaborative, innovation-focused environment. Salary:  £700 - 750 per day Engineering Manager (C#) - £700-750 per day – London (.NET, C#, SQL, Azure, Kubernetes, Docker, CI/CD Pipelines) We're working with a leading Insuretech company that are looking for an Engineering Manager to join them for an initial 6-month contract. This person will be tasked with leading engineering teams by combining strong delivery management with hands-on technical leadership and stakeholder management. This role will fall OUTSIDE IR35 and will require travel to their City of London based office twice per week. Skills & Experience Required Strong background as a senior engineer, architect, or technical lead with demonstrable delivery experience. Ability to apply algorithmic thinking and structured...
Outside Spy
Apr 15, 2026
Duration not stated
Engineering Manager (C#) - £700-750 per day - London at La Fosse Associates Limited, London Wall, £700-£750 per day
£700 - £750 per day
Outside Spy London Wall, Greater London, England, UK
Engineering Manager (C#) - £700-750 per day - London (.NET, C#, SQL, Azure, Kubernetes, Docker, CI/CD Pipelines) We're working with a leading Insuretech company that are looking for an Engineering Manager to join them for an initial 6-month contract. This person will be tasked wutg leading engineering teams by combining strong delivery management with hands-on technical leadership and stakeholder management. This role will fall OUTSIDE IR35 and will require travel to their City of London based office twice per week. Skills & Experience Required - Strong background as a senior engineer, architect, or technical lead with demonstrable delivery experience. - Ability to apply algorithmic thinking and structured problem solving to real-world engineering challenges. - Proven experience leading engineering teams with hands-on involvement in delivery and architecture. - Excellent communication skills - able to translate complex technical topics clearly in both written and...
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
Tech Lead - Python/Financial Modelling/AI - Pensions at IntecSelect, Tower of London, £650-£750 per day
£650 - £750 per day
Outside Spy Tower of London, UK
Tech Lead - Python/Financial Modelling/AI - Pensions £650 - £750 per day Outside IR35 6 Month Contract Remote (Occasional London Travel) Overview I'm currently working with a leading financial services technology consultancy that is looking to bring in an experienced Tech Lead to support the delivery of modern software solutions for a major pensions client. This role sits at the intersection of financial modelling and modern engineering, supporting the development of platforms used for forward-looking financial analysis, including discounted cashflow projections and Monte Carlo simulations. This is a hands-on leadership role, splitting your time between full-stack engineering and leading a team of senior developers. You'll also play a key role in shaping AI-assisted and agentic development workflows, helping embed these approaches into day-to-day engineering practices. The Role You will lead a team of four experienced engineers while remaining actively involved in...
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