1 to 25 of 371 C# Jobs in London

Fullstack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
React TypeScript Web Components AG Grid Real-time communication using WebSockets or SignalR Strong experience building real-time trading or financial applications Back End C# .NET 8 Python REST APIs/Web APIs Microservices Architecture Messaging & Caching RabbitMQ Redis DevOps & Cloud Azure DevOps Git/Repos CI/CD Pipelines ...

Lead Developer – SC or DV Cleared (Azure / .NET / Microservices)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
integration with government platforms (e.g. payments, notifications, identity services) Contribute hands‐on to development where required Skills & Experience Required Core Engineering Strong experience with C#/.NET (Core, 6, 7, 8+) Deep knowledge of REST APIs, Web APIs, and distributed systems Experience building event‐driven microservices architectures Strong understanding ...

Full Stack & Cloud Engineering

Hiring Organisation
Cloud Elemental
Location
City of London, London, United Kingdom
ceremonies and code reviews Troubleshooting and resolving technical issues Contributing to architecture discussions Supporting production environments where required Typical technologies include: React TypeScript JavaScript C# .NET Node.js Python SQL Cloud Engineering & DevOps Work with experienced consultants to design, automate and manage cloud environments. You'll gain experience with: Amazon ...

Kotlin/JVM Software Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Postgres, MySQL, NoSQL (e.g., MongoDB), Redis is recommended. Web technologies – knowledge and experience working with web technologies such as JavaScript, HTML, CSS, TypeScript, C#, SASS, Stylus, Stylus, Python, and LESS. Web frameworks – knowledge and experience working with different frameworks like React Native, AngularJS, Angular2, VueJS, SocketIO, Backbone, KnockoutJS, Svelte ...

Principal Software Engineer – Data Technology Platforms(Associate Data Architect II)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
timelines with strategic platform evolution. Preferred Qualifications Experience within Financial Services, Asset Management, Banking, Wealth Management, or Capital Markets. Development experience using: .NET/C# Azure Functions Azure Services Familiarity with Agile delivery frameworks and methodologies. Experience with Test-Driven Development (TDD) and test automation practices. Knowledge of modern data ...

Principal Software Engineer AI Native

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Aventum. Any additional duties as assigned. Role Requirements Significant experience as a Senior, Lead, Staff, or Principal Software Engineer. Strong expertise in TypeScript, React, C#, and .NET. Proven experience building enterprise‐scale applications and distributed systems. Deep understanding of software architecture, design patterns, testing, and engineering best practices. Experience building ...

Senior/Full Stack Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
based applications on Microsoft Azure, AWS, or similar cloud platforms. Understanding of cloud-native application development and responsive, scalable solution design. Application Engineering .NET C# (legacy .NET Framework and modern .NET/.NET Core) PHP frameworks including Laravel and/or Symfony RESTful API development and integration Frontend Data & Databases ...

Senior Software Engineer

Hiring Organisation
Morgan Hunt Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
implement improvements to development processes (CI/CD, automation, testing) Key Skills & Experience Essential: Strong experience as a Microsoft Software Developer Proven expertise in: C#/.NET (including .NET 6) SQL Server development Test Driven Development (TDD) CI/CD pipelines and deployment automation Solid understanding of: Agile methodologies Software ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
implement improvements to development processes (CI/CD, automation, testing) Key Skills & Experience Essential: Strong experience as a Microsoft Software Developer Proven expertise in: C#/.NET (including .NET 6) SQL Server development Test Driven Development (TDD) CI/CD pipelines and deployment automation Solid understanding of: Agile methodologies Software ...

Solution Architect (Contract Role)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
engineering progressing into solution architecture, with hands‐on design of data-intensive systems, ideally in insurance, reinsurance, or financial services. Strong programming skills in C#/.NET or Python, solid SQL knowledge, and experience with modern UI frameworks such as React or Angular with TypeScript. Hands-on infrastructure-as-code ...

Full Stack Engineer (Contract Role)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
production systems end to end. Experience in insurance, reinsurance or wider financial services is a plus, but not essential. Backend: Strong programming skills in C#/.NET or Python, with solid API design and strong SQL. Frontend: Practical experience building modern user interfaces with React or Angular and TypeScript. Cloud ...

Senior Software Engineer, AI Centre of Excellence Software engineering London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Proven problem‐solving skills and ability to thrive in fast‐paced environments. Excellent communication and collaboration skills across diverse teams. Preferred qualifications: Proficiency in C# or Java. Frontend development experience with JavaScript/TypeScript and frameworks such as React. Experience developing Generative AI applications, including model fine‐tuning and prototyping. ...

Full Stack Engineer (Contract Role)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
production systems end to end. Experience in insurance, reinsurance or wider financial services is a plus, but not essential.* **Backend:** Strong programming skills in C#/.NET or Python, with solid API design and strong SQL.* **Frontend:** Practical experience building modern user interfaces with React or Angular and TypeScript.* **Cloud ...

Solution Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
designed data‐intensive systems you also helped build, ideally in insurance, reinsurance or wider financial services. Technical Stack: Current, practical programming skills, ideally in C#/.NET or Python, with strong SQL, working knowledge of modern UI frameworks such as React or Angular with TypeScript, and hands‐on experience with ...

Azure Cosmos DB Developer

Hiring Organisation
Tata Consultancy Services
Location
London Area, United Kingdom
systems, and CI/CD tooling. Strong analytical, problem-solving, communication, and stakeholder management skills. Desirable skills/knowledge/experience Advanced proficiency in C#, ASP.NET, and .NET Core. Strong understanding of object-oriented design principles and software engineering best practices. Experience developing microservices-based architectures. Familiarity with Azure cloud ...

Senior Software Engineer - Backend

Hiring Organisation
Fitch Group
Location
Greater London, United Kingdom
Employment Type
Full Time
Kafka, MSK, or EventBridge. Experience with caching technologies including Redis or Valkey. Experience with NoSQL databases such as MongoDB or DynamoDB. Experience working with C#/.NET applications and services. Experience working in financial services, regulated environments, or data-intensive platforms. Background in data engineering, data platforms, analytics ecosystems ...

Senior Software Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £105,000 per annum
closely with clients and stakeholders throughout project delivery. What We're Looking For 5+ years' commercial software engineering experience. Strong experience developing applications using C#/.NET . Experience with React , JavaScript and TypeScript. Strong understanding of cloud-native application development on Microsoft Azure . Experience with Azure services such ...

Senior AI Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Experience: Strong commercial experience as a Senior Software Engineer or AI Engineer with a full-stack Microsoft development background. Extensive experience developing applications using C#/.NET and modern frontend frameworks such as React or Angular. Experience designing and building REST APIs and integrating AI capabilities into enterprise applications. Strong ...

Senior Developer

Hiring Organisation
Stealth B2B SaaS Startup
Location
London Area, United Kingdom
embrace the opportunity to use AI responsibly to help us build better software, faster, without compromising quality or maintainability. Technical Requirements Essential • C# • ASP.NET Core (.NET 8/9/10) • WPF and MVVM • RESTful APIs • SQL Server and Entity Framework Core • OpenID Connect, OAuth 2.0 and Role-Based Access ...

Software Developer | Market Making Technology

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
networking and influencing others. Strategic collaborator with insight and agility, able to anticipate future challenges, ensuring operational effectiveness. Skills and Experience: Essential: Experience in C# .NET. Experience in at least one of JavaScript, Typescript, React, NodeJS, GraphQL, Docker. Experience of NoSQL or RDMS databases. Knowledge of modern CI/ ...

Senior Software Engineer, Risk

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
within an agile team environment Skilled at operating within an agile development environment Experience with Azure Services Deep knowledge and expertise in .NET and C# Advanced knowledge of Microsoft SQL Server Skilled in designing and implementing CI/CD pipelines within Azure DevOps Preferred Knowledge/Experience: Experience ...

Lead .NET Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
term technical standards. Must Haves: Proven experience leading and mentoring engineering teams in a modern software environment Strong hands on background building .NET/C# and Angular web applications Deep understanding of modern architecture patterns (microservices, event driven systems, service oriented architecture) Cloud native development expertise with AWS services (Lambda ...

Software Developer

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
date, and following development best practice. Staying up to date with new technologies, including Azure, AI, and the Microsoft Power Platform. Experience Required: C#/.NET, ASP.NET and .NET Core. SQL Server. JavaScript, HTML and CSS. REST APIs. Microsoft Azure. Azure DevOps and Git. SharePoint Online. Power Automate (Microsoft Power ...

Senior Software Developer in Test - Senior Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Experience: Eligibility for SC clearance Significant experience in Agile environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript, or similar Proven expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Strong knowledge of integration ...

Senior Software Engineer (C++ network programming)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
skillNice to haveFamiliarity with large scale deployments: Kubernetes, Docker, TerraformFamiliarity with CI/CD pipelines and associated scriptingKnowledge in other programming languages like Java, C#, Ruby, R, Go, Node.js, and Perl is a plus.Knowledge of CMake is a plusExposure to AI to optimize development tasks is a plusBenefits ...