19 software engineer jobs found in London, greater london

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...

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)...

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...

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...

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...

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...

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...

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...

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...

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,...

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...

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...

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...

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 &...

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...

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 &...

Here at Mindera we are continuously developing a fantastic team and would love it for you to join us! As an Android Developer you will be creating fast, fluid, responsive and reliable mobile applications that provide our customers with a rewarding experience. You’ll have an opportunity to participate in the whole development cycle, using modern technologies, architectures and processes. When you join Mindera we welcome you into a  fun and politics-free  work culture, built on the principles of  lean and self-organisation .   Please note: This position requires you to work on client-site in Paddington, London, three times a week. This is an initial six month contract position that sits outside IR35. Requirements You rock at Kotlin Java Jetpack Compose Coroutines (or RxJava); Software Architecture (MVVM or similar); Unit testing and UI tests; XML Being self-driven and working with little supervision towards a...

AI Engineer (Contract) – £500/day Outside IR35 📍 Canary Wharf, London (3 days onsite) 🇬🇧 UK-based applicants only We’re looking for experienced AI Engineers who think holistically, automate relentlessly, and know how to turn modern AI capabilities into production-grade, high-impact applications . Our AI organisation is building real-world AI products that deliver business value at speed. This role is ideal for seasoned engineers who combine strong software engineering fundamentals with a pragmatic, hands-on approach to AI tooling and infrastructure. What you’ll be doing Designing, building, and maintaining production-grade AI applications using modern engineering practices (CI/CD, testing, observability, cloud-native design). Developing reusable AI platforms and tools (e.g. conversational bots, AI-powered search, unstructured data processing, GenAI solutions). Working in cross-functional, embedded teams with business stakeholders to rapidly deliver...

Jira Developer – Global Real Estate/Logistics – JSM, ITSM, TDM Taxonomy – £400/day (OUTSIDE IR35) A market-leading European real estate and logistics giant, managing one of the largest industrial portfolios in the world, is seeking a Jira Developer . Operating as a critical link in the global supply chain, this firm is currently undergoing a massive digital transformation and needs an expert to architect a standardized, world-class internal service framework. The Jira Developer's role: This is a high-impact, 3–6 month contract where you will lead the ground-up overhaul of their Jira environment. The current setup lacks a consistent framework; you will be the architect and builder responsible for tearing down the ad-hoc structures and replacing them with a professional Service Catalogue . You won’t just be maintaining tickets—you’ll be defining the very DNA of how this global business handles Incident, Change, and Release management. Jira Developer Key...