FullStack Developer | 3 Roles Available | 3 Month Initial Contract | Up to £550 per day (Inside IR35) | London (2 days per week on-site) | Active SC Clearance Required MERITUS are working with a well-established financial services company in London who are looking for 3 experienced FullStack Developers to join them … in London & are hybrid with 2 days per week in the London office. Candidates are required to hold an active SC Clearance. Skills Required: Strong background as a FullStack Developer on commercial projects. Hands-on experience with Angular. Proven expertise with C#/.NET Core. Practical knowledge of Azure services and cloud-based architectures. Good … as Code. Familiarity with CI/CD and agile ways of working. Got your attention? If you believe that you have the skills and experience for the Principle Engineer role - then please get in touch. We also offer a referral scheme for any candidates whose details are passed to us that we successfully place. If you have any More ❯
Lead Software Engineer | Python, ML, AI, | Hybrid | London Backed by technology start-up accelerator and venture capital firm £60,000 - £80,000 per annum | 2+ Years of Experience Join a mission-driven AI startup transforming how medical and healthcare organisations collaborate. Using machine learning and advanced recommendation systems, the team helps to matchmake some of the leading Medical … influence on product and architecture to help medical organisations do more with their resources while changing lives and impact clients across the US and FTSE markets. As a FullStack Software Engineer, you’ll work across backend systems, DevOps pipelines, data engineering, and AI projects, touching multiple products and directly influencing how value is … paced start up environment. What You’ll Do: Build product-facing AI solutions and collaborate on ML model development, training, and deployment. Design and develop scalable backend and full-stack systems with robust APIs and efficient data flows. Work with SQL & NoSQL databases (Postgres, MongoDB, Elasticsearch) and optimize data storage. Implement DevOps best practices, including CI More ❯
Lead Software Engineer | Python, ML, AI, | Hybrid | London Backed by technology start-up accelerator and venture capital firm £60,000 - £80,000 per annum | 2+ Years of Experience Join a mission-driven AI startup transforming how medical and healthcare organisations collaborate. Using machine learning and advanced recommendation systems, the team helps to matchmake some of the leading Medical … influence on product and architecture to help medical organisations do more with their resources while changing lives and impact clients across the US and FTSE markets. As a FullStack Software Engineer, you’ll work across backend systems, DevOps pipelines, data engineering, and AI projects, touching multiple products and directly influencing how value is … paced start up environment. What You’ll Do: Build product-facing AI solutions and collaborate on ML model development, training, and deployment. Design and develop scalable backend and full-stack systems with robust APIs and efficient data flows. Work with SQL & NoSQL databases (Postgres, MongoDB, Elasticsearch) and optimize data storage. Implement DevOps best practices, including CI More ❯
Lead Software Engineer | Python, ML, AI, | Hybrid | London Backed by technology start-up accelerator and venture capital firm £60,000 - £80,000 per annum | 2+ Years of Experience Join a mission-driven AI startup transforming how medical and healthcare organisations collaborate. Using machine learning and advanced recommendation systems, the team helps to matchmake some of the leading Medical … influence on product and architecture to help medical organisations do more with their resources while changing lives and impact clients across the US and FTSE markets. As a FullStack Software Engineer, you’ll work across backend systems, DevOps pipelines, data engineering, and AI projects, touching multiple products and directly influencing how value is … paced start up environment. What You’ll Do: Build product-facing AI solutions and collaborate on ML model development, training, and deployment. Design and develop scalable backend and full-stack systems with robust APIs and efficient data flows. Work with SQL & NoSQL databases (Postgres, MongoDB, Elasticsearch) and optimize data storage. Implement DevOps best practices, including CI More ❯
london (city of london), south east england, united kingdom
La Fosse
Lead Software Engineer | Python, ML, AI, | Hybrid | London Backed by technology start-up accelerator and venture capital firm £60,000 - £80,000 per annum | 2+ Years of Experience Join a mission-driven AI startup transforming how medical and healthcare organisations collaborate. Using machine learning and advanced recommendation systems, the team helps to matchmake some of the leading Medical … influence on product and architecture to help medical organisations do more with their resources while changing lives and impact clients across the US and FTSE markets. As a FullStack Software Engineer, you’ll work across backend systems, DevOps pipelines, data engineering, and AI projects, touching multiple products and directly influencing how value is … paced start up environment. What You’ll Do: Build product-facing AI solutions and collaborate on ML model development, training, and deployment. Design and develop scalable backend and full-stack systems with robust APIs and efficient data flows. Work with SQL & NoSQL databases (Postgres, MongoDB, Elasticsearch) and optimize data storage. Implement DevOps best practices, including CI More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
Role: FullStackEngineer Salary: £80,000-£90,000 + Equity WFH: Fully Remote Overview Our client is a fast-growing RegTech startup using AI to transform how financial institutions approach AML and compliance workflows. They're hiring FullStack Engineers to join a compact, fast-moving team working on … backend and frontend (slight backend lean preferred) Strong ownership mindset-able to ship features independently (build + deploy) Experience managing multiple workstreams in low-management settings Product-focused engineer who thrives in flat, startup-style team structures Good grasp of engineering best practices, code quality, and system design Tech Stack Python JavaScript/TypeScript SQL AWS More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Halian Technology Limited
daily, were scaling up and looking for passionate engineers to help us build the future of payments. Role Overview: We are seeking a talented and driven Mid-Level FullStackEngineer with strong skills in Node.js, React , and AWS cloud infrastructure . Youll play a key role in designing, developing, and maintaining scalable microservices More ❯
AI, including PhDs from internationally leading institutions.) Proven track record in software development, system integrations, and building developer resources (APIs, SDKs, technical documentation). Solid experience across Integrations, FullStack Web Development, and Cloud Architecture. Proficiency in one or more of the following: JavaScript, Node.js, Python (or equivalent modern frameworks/languages). Demonstrated success in … process. If you require reasonable adjustments during your application or interview process, please let us know by emailing (if this address has been removed by the job board, full details are available on our website). Keywords Head of Integrations/Technical Integration Lead/API Integration Manager/SaaS Integration Engineer/FullStack Developer/Solutions Architect/Cloud Engineer/Platform Integrations Lead/Node.js/JavaScript/Python/API/Cloud Architecture/Swagger/Computer Science/Software Engineering/Integration Architect/API Solutions Lead/Technical Project Manager/SaaS Platform Engineer/Systems Integration Specialist More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Oscar Technology
Remote (occasional trips to London office) Contract: 6-months (OIR35) Rate: £400-450 p/day Start date: Asap Key Responsibilities: Design, build, and maintain scalable microservices and full-stack applications. Engineer and manage cloud infrastructure (Azure as primary, AWS/GCP as secondary). Identify and implement cloud cost efficiencies while maintaining performance. … regulatory standards in sensitive industries. Provide senior-level support, troubleshooting, and performance monitoring with modern observability tools. Mentor and support junior engineers, collaborating with global teams. Required: Proven full-stack development expertise Node.js, TypeScript, JavaScript, and C#, .NET. Hands-on experience with cloud platforms (Azure preferred, AWS/GCP beneficial). Skilled in Kubernetes, Docker, Terraform More ❯
Founding Engineer London (Hybrid) Up to £80,000 + Equity I'm working with an ambitious early-stage startup on the hunt for a Founding Engineer to join their core team. This is a rare chance to come in at the ground floor of a venture-backed company that's already secured early traction and industry … technical vision, architecture, and scaling of the platform . Why this role? Impact: You'll be shaping the product and the company itself, not just the codebase. Ownership: Full control of the tech stack, from infrastructure through to architecture. Growth: Co-founder … level equity alongside salary. Mission: Building tech that transforms how Investor Relations teams operate in alternative asset management. What they're looking for: 4+ years' experience as a full-stackengineer in a fast-paced environment. Hands-on with Next.js, Typescript (React/Node), Tailwind, SQL (Prisma), and Azure . Bonus points for experience More ❯
Senior Software Engineer Competitive salary dependent on skills and experience and potential for equity participation Remote – ideally commutable to Leeds and London when required - MUST BE BASED IN THE UK Full Time Handshaik is streamlining business development for dealmakers. About Us Handshaik is on a mission to transform how deals get done. Backed by significant scale … solving complex problems end-to-end, working in a collaborative environment, and having a tangible impact, you’ll feel at home here. The Role As a Senior Software Engineer, you will work within the development team to help shape the technical vision. This is a hands-on role that requires deep technical expertise, entrepreneurial drive, and the ability … Work with structured and unstructured datasets, build ingestion and transformation pipelines, and design efficient database schemas (Postgres/NoSQL). Architecture & Design: Contribute to technical decisions across the stack, designing modular and scalable solutions. Code quality: Champion best practices in testing, code reviews, CI/CD, and documentation. Collaboration: Partner with product managers, the engineering team and ELT More ❯
City of London, London, United Kingdom Hybrid / WFH Options
G.Digital
Founding Engineer/Technical Lead Location: Hybrid (London HQ + Remote role with occasional travel) MUST BE UK BASED Sector: HealthTech/Fitness/Wellbeing G.Digital are thrilled and excited to be working with this ambitious, early-stage tech company on a mission to reinvent how people experience personal training and wellbeing. They already have a proven desktop … to take things to the next level — launching a consumer app, scaling the technology, and building a product that truly changes lives. We’re looking for a Founding Engineer to join these guys and be part of a unique opportunity to combine hands-on coding with strategic vision , shaping the technical direction and building the engineering team from … Make technology decisions that balance speed, scalability, and security. Champion innovation: Stay across emerging tools and approaches, ensuring we always stay ahead of the curve. 🎯 About You Experienced full-stackengineer , confident in delivering complex mobile or web applications. Strong background in modern frameworks, cloud platforms (AWS/Azure/GCP), and scalable architecture More ❯
Founding Engineer/Technical Lead Location: Hybrid (London HQ + Remote role with occasional travel) MUST BE UK BASED Sector: HealthTech/Fitness/Wellbeing G.Digital are thrilled and excited to be working with this ambitious, early-stage tech company on a mission to reinvent how people experience personal training and wellbeing. They already have a proven desktop … to take things to the next level — launching a consumer app, scaling the technology, and building a product that truly changes lives. We’re looking for a Founding Engineer to join these guys and be part of a unique opportunity to combine hands-on coding with strategic vision , shaping the technical direction and building the engineering team from … Make technology decisions that balance speed, scalability, and security. Champion innovation: Stay across emerging tools and approaches, ensuring we always stay ahead of the curve. 🎯 About You Experienced full-stackengineer , confident in delivering complex mobile or web applications. Strong background in modern frameworks, cloud platforms (AWS/Azure/GCP), and scalable architecture More ❯
london, south east england, united kingdom Hybrid / WFH Options
G.Digital
Founding Engineer/Technical Lead Location: Hybrid (London HQ + Remote role with occasional travel) MUST BE UK BASED Sector: HealthTech/Fitness/Wellbeing G.Digital are thrilled and excited to be working with this ambitious, early-stage tech company on a mission to reinvent how people experience personal training and wellbeing. They already have a proven desktop … to take things to the next level — launching a consumer app, scaling the technology, and building a product that truly changes lives. We’re looking for a Founding Engineer to join these guys and be part of a unique opportunity to combine hands-on coding with strategic vision , shaping the technical direction and building the engineering team from … Make technology decisions that balance speed, scalability, and security. Champion innovation: Stay across emerging tools and approaches, ensuring we always stay ahead of the curve. 🎯 About You Experienced full-stackengineer , confident in delivering complex mobile or web applications. Strong background in modern frameworks, cloud platforms (AWS/Azure/GCP), and scalable architecture More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
G.Digital
Founding Engineer/Technical Lead Location: Hybrid (London HQ + Remote role with occasional travel) MUST BE UK BASED Sector: HealthTech/Fitness/Wellbeing G.Digital are thrilled and excited to be working with this ambitious, early-stage tech company on a mission to reinvent how people experience personal training and wellbeing. They already have a proven desktop … to take things to the next level — launching a consumer app, scaling the technology, and building a product that truly changes lives. We’re looking for a Founding Engineer to join these guys and be part of a unique opportunity to combine hands-on coding with strategic vision , shaping the technical direction and building the engineering team from … Make technology decisions that balance speed, scalability, and security. Champion innovation: Stay across emerging tools and approaches, ensuring we always stay ahead of the curve. 🎯 About You Experienced full-stackengineer , confident in delivering complex mobile or web applications. Strong background in modern frameworks, cloud platforms (AWS/Azure/GCP), and scalable architecture More ❯
Staff Software Engineer | B-Corp Start-Up | Net-Zero Carbon | FullStack Up to £120,000 plus stock London - Hybrid (2 days a week in the office) Typescript, React, Node, GraphQL, GCP Staff Software Engineer - We are working with an amazing Carbon Neutral, B-Corp certified start-up to find them a … Staff Software Engineer to join their purposely small, experienced engineering team. They have received over $10m in funding in the last two years and as reach break-even in the original market, they have some exciting tech challenges in scaling their sustainable platform as they look to expand their reach. As a Staff Software Engineer in … colleagues in engineering and the wider business to innovate and produce new ideas. Driving design discussions to solve real world problems and deliver on business goals. The tech stack is predominantly Typescript, Node and React with some Rust on GCP, Kubernetes, GraphQL although they are open to engineers from any background. You should apply if: You're excited More ❯
.NET Developer - Financial Trading - C#, React - London (Tech stack: .NET Developer, .NET 9, C#, React, Programmer, FullStackEngineer, Architect, .NET Developer) Our client, a market-leading financial trading firm, renowned for its innovation, lightning-fast technology and elite engineering culture, is seeking talented .NET Developer to join their award winning team. More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer - Financial Trading - C#, React - London (Tech stack: .NET Developer, .NET 9, C#, React, Programmer, FullStackEngineer, Architect, .NET Developer) Our client, a market-leading financial trading firm, renowned for its innovation, lightning-fast technology and elite engineering culture, is seeking talented .NET Developer to join their award winning team. More ❯
london, south east england, united kingdom Hybrid / WFH Options
Noir
.NET Developer - Financial Trading - C#, React - London (Tech stack: .NET Developer, .NET 9, C#, React, Programmer, FullStackEngineer, Architect, .NET Developer) Our client, a market-leading financial trading firm, renowned for its innovation, lightning-fast technology and elite engineering culture, is seeking talented .NET Developer to join their award winning team. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Noir
.NET Developer - Financial Trading - C#, React - London (Tech stack: .NET Developer, .NET 9, C#, React, Programmer, FullStackEngineer, Architect, .NET Developer) Our client, a market-leading financial trading firm, renowned for its innovation, lightning-fast technology and elite engineering culture, is seeking talented .NET Developer to join their award winning team. More ❯
benefits Remote with occasional client visits Please note Candidates must be UK based Candidates must have Security Clearance to apply for this role As a C#/.NET FullStackEngineer , you'll play a crucial role in bringing client visions to life, helping organizations unlock value through smart, scalable digital solutions. You’ll More ❯
benefits Remote with occasional client visits Please note Candidates must be UK based Candidates must have Security Clearance to apply for this role As a C#/.NET FullStackEngineer , you'll play a crucial role in bringing client visions to life, helping organizations unlock value through smart, scalable digital solutions. You’ll More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer, C# - Financial Consultancy - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Azure, WPF, MVVM, Prism, Agile, Azure SQL, Programmer, FullStackEngineer, Architect, .NET Developer) Established in the early 1970s, our client delivers cutting edge I.T solutions to banks. With over 70,000 employees in … modern consulting firm. We are seeking 4 .NET Developer to work on complex Greenfield .NET/C# software development projects within the banking arena. You will be given full project life cycle exposure and the opportunity to technically lead teams of up to 10 Consultants. The ideal .NET Developer candidates will have strong experience on the .NET framework. More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C# - Consultancy - London Or Surrey (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, FullStackEngineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise in delivering innovative .NET technology … .NET Developer with an extensive array of talent and expertise. .NET Developer will be given complete ownership of your business area and the opportunity to work on the full project life cycle. .NET Developer applicants should have a skill set that encompasses some or all of the following: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C#, Agile - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, FullStackEngineer, Architect, .NET Developer) We are pleased to announce the arrival in the UK of one of Silicon Valley's most … levels who are passionate about developing revolutionary software solutions. .NET Developer applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and More ❯