1 to 25 of 268 C# Jobs in London

NoSQL (MongoDB) or SQL databases such as Postgres Experience working with GOV.UK standards or in the UK public sector Exposure to Node.js, Kotlin or C# Experience integrating solutions with LLMs (LangChain, Vercel AI, etc.) Why This Role Stands Out Real impact: contribute to digital services used by millions Huge investment ...

familiarity with MongoDB is preferred) or SQL databases such as Postgres Familiarity with web standards, accessibility, and development best practice Bonus: Building microservices in C# Experience building solutions that integrate with LLMs using tools such as Vercel AI, Langchain etc. Using the GOV.UK Design System and using Nunjucks ...

solution design and technical strategy. Explore and adopt emerging tech such as AI, ML and automation. Skills & Experience Strong hands-on experience with C#, .NET, JavaScript, HTML/CSS, React . Solid knowledge of Azure PaaS (Functions, Logic Apps, Cosmos DB, App Service, ARM/Bicep). Experience with Azure ...

presentation skills. Able to communicate to stakeholders at all levels of the organisation and 3rd parties. Experience working with the following technologies: JavaScript, React, C# .NET, Python, SQL, APIs, Azure, Power Platform, SaaS, PaaS, IaC. Exposure to and understanding of emerging technologies e.g. AI, LLMs, Machine Learning, NLP, MCP etc. ...

experience as an Engineering Manager, Lead Engineer, or Senior Engineer ready to step into management Strong technical background in modern software development (e.g., Java, C#, Python, JavaScript/TypeScript, cloud-native architecture Exceptional people leadership and communication skills Experience leading teams delivering high‐quality, production-grade systems Working knowledge ...

Microsoft Developer Strong Academic Background with Demonstrable Achievements Proven ability to excel in time-constrained, algorithmic problem-solving Technical Expertise: Advanced Proficiency in: C# and .NET Framework Microsoft Azure Cloud Platform SQL and SQL Server Complex Data-Driven Software Development Strong Algorithm and Data Structure Knowledge Preferred Background: Experience ...

purpose. Your Responsibilities Develop cloud-native applications using Azure Cosmos DB (SQL API, Mongo API). Build reusable libraries and frameworks in C#/.NET or Node.js Establish robust CI/CD pipelines through GitLAB DevOps to streamline delivery and reduce operational overhead. Design efficient data models tailored to NoSQL ...

Code tools NoSQL databases (especially MongoDB) or SQL (e.g., Postgres) Understanding of web standards, accessibility and development best practice Bonus Skills Building microservices in C# or Java Integrating LLMs (e.g., LangChain, Vercel AI) Using the GOV.UK Design System and Nunjucks What You’ll Love You’ll join a community that ...

global financial markets. The Technical Stack You will be working within a modern, engineering-first culture. The core stack includes: The Engine: Expert-level C# and .NET Core mastery. Architecture: Deep understanding of SOA (Service Oriented Architecture) and complex Object-Oriented design patterns. System Dynamics: Specialized knowledge of concurrency, asynchrony ...

skills, accountabilities and development areas. Desirable Skills: 5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Strong experience in working with Azure (preferably certified) including App Services, Azure Function, Service Bus Experience leading and mentoring small-to-medium hybrid ...

/Online. Proven SPFx development skills. Proficiency in TypeScript, JavaScript, React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint onprem administration, performance tuning, patching and troubleshooting. Experience with BCS and creating External Content Types. Strong SQL Server skills. ...

understanding of SharePoint development, including structured libraries, metadata, permissions and integration with other data sources. - Knowledge of core development languages such as PowerShell, JavaScript, C#, Python or similar. - Experience working with data sources including MS SQL, Dataverse, APIs, REST services, JSON/XML and other integration methods. - Strong problemsolving skills ...

improve system performance and risk analysis Work effectively with global teams across multiple locations Key Requirements Strong hands-on experience in software engineering using C# and .NET Core Solid understanding of CI/CD tools and practices (e.g., Jenkins, TeamCity, Git, Nexus) Experience within enterprise-level or investment banking environments ...

interfaces Experience mentoring or guiding junior developers Strong communication skills - able to explain technical concepts clearly to non-technical stakeholders Nice to Have C#/.NET exposure (desirable, not essential) Experience working with Microsoft platforms (SharePoint, Power Platform, Azure) Exposure to AI platforms (eg, OpenAI, Azure AI, Harvey, etc.) Experience ...

administration and development of SharePoint 2016, 2019, SE, and SharePoint Online web components. Proficiency developing ASP.NETMVC or ASP.NET Core MVC applications. Strong knowledge of C# programming language with expertise in web API development, SQL and the Entity Framework. Experience with client-side and front-end frameworks such as jQuery, Bootstrap ...

testing. - Understanding of cloud services such as Azure Functions, Logic Apps, Azure AI Foundry or similar. - Strong coding skills, ideally in JavaScript, PowerShell, Python, C# or VB.NET. - Excellent communication skills and the ability to collaborate across multidisciplinary teams. - A proactive mindset, with a commitment to continuous learning, experimentation and emerging ...

HAVE SC CLEARANCE Essential Criteria: We are interested in hearing from candidates who have the following capabilities: Valid Security Clearance (transferable) Strong experience with C#, .NET, SQL, Angular, HTML, and JavaScript Eagerness to learn and implement new learning. Desirable Criteria: It would also be beneficial, but not mandatory, to have ...

defencefinancialservicesandtransport.WithteamsthatoperategloballyfromofficesacrosstheUK,Ireland,theUS,Nordics,andNetherlands. JobDescription WhyconsiderjoiningtheDigital&Datacommunity Growaflexibleanduniquecareerwithinatrust-basedenvironmentthatvaluesexcellence,innovation,andcuriosity.Youhavetheoptiontoprogresswithusonatechnicalcareertrack.NoneedtogoontothePartnercareertrackifthisdoesntalignwithwhatyouwanttodo. Workonabroadvarietyofprojectsandtechstacksforclientsacrosssevensectors-noprojectiseverthesame Techstackrequiredideally: Whileweadvocateforusingtherighttechfortherighttask,youcanexpecttoworkwiththefollowingtechnologiestoensurescalable,high-performanceapplications: ProgrammingLanguages:JavaScript/TypeScript,Java,C# Frameworks:Vue/Angular/React/Node/Next,Spring/SpringBoot,.NET/ASP.NET Cloudplatforms:AWS,GCP,Azure CI/CD:Jenkins,GitHubActions ...

mandatory) Proven Central Government testing experience Experience working within secure, regulated environments Strong experience delivering automation within large-scale programmes Technical Skills Automation testing: C#, Selenium, MSTest, BDD, RestSharp, JavaScript UI and API test automation Non-functional testing: JMeter, Azure Load Testing Microsoft Azure cloud experience Azure DevOps and GitHub ...

Azure, GCP) and multi-cloud integration. Deep understanding of large language models, machine learning frameworks, and AI architectures. Proficiency in programming languages (Python, Java, C#). Strong analytical and problem-solving skills for complex system design. Experience with DevOps practices and deploying scalable AI services. Excellent communication and collaboration skills ...

platforms — OpenAI, Claude, Vertex AI, plus open-source models — including building abstraction layers to manage multi-provider pipelines. Strong programming experience in Python, Java, C# or equivalent; familiarity with evaluation tooling, logging, monitoring, and agent observability. Experience deploying to production — CI/CD, infrastructure as code (Terraform, Helm), monitoring ...

with real-time reporting, distributed caching, and unstructured databases such as MongoDB. Technical Architecture: You are confident with modern design patterns, AWS cloud services, C# or Java, containerisation (Kubernetes, Docker, OpenShift), and infrastructure-as-code tools such as Terraform. Familiarity with React for UI development is highly valuable. Integration Expertise ...

with real-time reporting, distributed caching, and unstructured databases such as MongoDB. Technical Architecture: You are confident with modern design patterns, AWS cloud services, C# or Java, containerisation (Kubernetes, Docker, OpenShift), and infrastructure-as-code tools such as Terraform. Familiarity with React for UI development is highly valuable. Integration Expertise ...

junior engineers. Desirable: Experience implementing or maintaining a CI/CD pipeline using Github Actions, Terraform, and Azure. Azure Monitoring. Software development experience using C# and SQL Server. Packer, Kubernetes, AKS, Flux or Helm Banking/Financial Services domain experience preferred. Must hold active SC Security Clearance used ...

Required We are looking for someone who combines strong technical ability with excellent problem-solving skills. The successful candidate will demonstrate: Advanced knowledge of C# .NET with a track record of designing and delivering high quality solutions Excellent communication skills, both verbal and written Strong problem-solving and logical thinking ...