1 to 25 of 276 C# Jobs in London

Required Experience Proven experience as a Senior Software Engineer working on scalable, production-grade systems Strong full-stack development experience (TypeScript/React and C#/.NET or similar) Deep understanding of software design principles, patterns, and architecture Experience building and evolving APIs, microservices, and distributed systems Hands-on 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. Strong knowledge of integration testing and automation frameworks . Experience leading small teams of testers and contributing to the overall ...

build Data Lakehouses using Microsoft technologies (Data Factory, Data Bricks, Data Lake, PowerBI).* Proficiency in software engineering languages such as Python, Java, C#, JavaScript, and TypeScript.* Deep knowledge of data engineering languages and tools such as SQL, Spark, Scala, and Hadoop.* Strong background in agile and DevOps methodologies, practices ...

/Day (Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React JS and C# .NET Core will shine! We are looking for a tech-savvy professional with a passion for building scalable applications within the financial sector. This … Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity with ...

Experience designing and consuming RESTful APIs/REST API services Proficiency in at least two of the following programming languages: Python Java JavaScript .NET (C#) Experience working in Agile/Scrum environments Excellent problem-solving skills and attention to detail Desirable Skills Experience with cloud platforms (Oracle Cloud, AWS, Azure ...

culture of continuous learning, innovation, and engineering excellence Required Experience & Skills Strong experience building full-stack web applications using TypeScript/React and C#/.NET (or similar technologies) Deep understanding of software engineering principles, including modular architecture and design patterns Proven experience designing and developing RESTful APIs and microservices ...

mentoring our permanent engineering team. What You Bring Integration Expertise: 5+ years of software development experience building robust APIs (REST, SOAP, JSON, XML) using C#, .NET, JavaScript, or Python. Azure Mastery: Deep, proven knowledge of Azure Integration Services, including API Management, Logic Apps, Service Bus, Azure Data Factory, and Azure ...

engaging other senior leaders. Technical Depth: Professional knowledge of object-oriented design patterns and modern languages such as Java, TypeScript/JS, Python, C#, or Scala. Modern Architecture: Solid understanding of cloud services (AWS/Azure/GCP), microservices, observability, Infrastructure as Code, and SRE principles. Tool Agnostic: Proficiency with ...

across the business Requirements Proven experience as a full-stack developer, ideally with experience in a technical lead role Strong proficiency in JavaScript, .NET (C#), and modern frontend frameworks Solid experience with SQL databases and API design and integration Demonstrated leadership ability with strong communication and organisational skills A proactive ...

stack required ideally: You can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP, Azure CI/ ...

Full Stack Developer to build scalable, AI-powered applications on Microsoft Azure. The Role Develop modern UIs using React, TypeScript Build APIs and microservices (C#/.NET or Python) Integrate AI capabilities into web applications Work across Azure services (Service Bus, Event Grid, SQL, Cosmos DB) Deliver secure, scalable, cloud ...

Full Stack Developer to build scalable, AI-powered applications on Microsoft Azure. The Role Develop modern UIs using React, TypeScript Build APIs and microservices (C#/.NET or Python) Integrate AI capabilities into web applications Work across Azure services (Service Bus, Event Grid, SQL, Cosmos DB) Deliver secure, scalable, cloud ...

Full Stack Developer to build scalable, AI-powered applications on Microsoft Azure. The Role Develop modern UIs using React, TypeScript Build APIs and microservices (C#/.NET or Python) Integrate AI capabilities into web applications Work across Azure services (Service Bus, Event Grid, SQL, Cosmos DB) Deliver secure, scalable, cloud ...

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 ...

modern data engineering techniques (e.g. distributed systems, data streaming, event-based architectures etc) Software development experience with one or more languages (e.g. Python, Java, C# ) Solid software engineering and DevOps skills as well as the complete SDLC applied to data, e.g. design patterns, automation, testing, contract definition, clean code ...

/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. ...

/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 on-prem administration, performance tuning, patching and troubleshooting. Experience with BCS and creating External Content Types. Strong SQL Server ...

SharePoint 2016 to modern platforms Expertise in SharePoint Framework (SPFx) Proficiency in TypeScript, JavaScript, React, HTML, and CSS Experience with REST APIs, Microsoft Graph, C#, and .NET Solid SharePoint administration experience (patching, performance tuning, troubleshooting) Experience with SQL Server and BCS/External Content Types Strong understanding of SharePoint security ...

multi-currency processing. What you’ll be doing: Architecting and building cloud-first solutions in Azure Developing across the stack: ASP.NET Core/C#, Angular (TypeScript), SQL Server Owning quality through TDD/BDD, CI/CD (Azure DevOps), and production-grade observability Leading technical design, mentoring engineers, and influencing ...

services (buy‐side preferred, sell‐side also welcome). Solid background in treasury, collateral, middle‐office, or financial operations technology. Strong programming skills in C# + Python Front‐end experience with Vue.js , React , or Angular . Experience with databases such as SQL Server, Databricks, or Azure SQL. Strong understanding ...

pain points, and translate them into technical solutions Strong problem-solving skills with a systems-thinking mindset Highly Valuable Experience Experience with .NET, ideally C# Experience building internal platforms or developer tooling (e.g., PaaS) Experience supporting data science or analytics workflows Experience with CI/CD pipelines (e.g., Azure DevOps ...

architectures Desirable: Experience supporting financial systems (e.g. accounting or policy systems) Azure DBA experience Knowledge of Azure Analysis Services or SSAS Experience with C#, ASP.NET MVC, or web application development Familiarity with AI tools such as GitHub Copilot Exposure to VBA or SharePoint Online Skills & Attributes Strong analytical and problem ...

DevOps, CI/CD, and cloud infrastructure. 🌟 What we’re looking for Strong full-stack development experience with object-oriented languages (Ruby, PHP, Java, C#, etc.). Experience mentoring or leading developers—or ready to take the next step into leadership . Passion for clean code , collaboration, and continuous improvement. ...

DevOps, CI/CD, and cloud infrastructure. 🌟 What we’re looking for Strong full-stack development experience with object-oriented languages (Ruby, PHP, Java, C#, etc.). Experience mentoring or leading developers—or ready to take the next step into leadership . Passion for clean code , collaboration, and continuous improvement. ...