1 to 25 of 245 C# Jobs in London

engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis ...

engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis ...

security and performance Harness modern development and Azure DevOps practices including CI/CD, containerization, automated testing Job Qualifications Habilities and experience Programming: C#/.NET, JavaScript/TypeScript Service Development: building web applications and web APIs using .NET and cloud services Cloud: Azure and others Database: (worked with ...

/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 with Azure Integration Services (APIM, Logic Apps, Azure Functions, Service Bus, Event Grid) Experience delivering containerised workloads in AKS Strong programming capability in C#, .NET, JavaScript or TypeScript Solid understanding of REST APIs, OAuth2 and modern API security practices Experience with SQL and data integration technologies Familiarity 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 ...

Status Quo: Comfort in pushing the boundaries, 'hacking' beyond traditional solutions Language Expertise: Expertise in one or more general development languages (e.g., Javascript, Java, C#, C++) Builder: Experience building and deploying modern services and web applications with quality and scalability Learner: Constant drive to learn new technologies such as Angular ...

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 ...

modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

keep pace What we're looking for Strong experience leading technical delivery within a digital agency or consultancy environment A solid backend background in C#/ASP.NET Core , with full-stack awareness Experience across both frontend and backend challenges - reactive frameworks experience welcome Deep familiarity with Azure , including CI/ ...

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 ...

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 ...

Qualifications Proven experience as a technical lead on a complex, multi-service platform, with direct responsibility for technical delivery quality and team output. Extensive C# and ASP.NET Core experience, including RESTful APIs, dependency injection, domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations ...

delivery team Requires 5+ years of full-stack software engineering experience with strong proficiency in at least two languages such as Python, TypeScript, C#, or Node.js Must have solid expertise in RESTful APIs, microservices, cloud-native development (Azure preferred), Docker/Kubernetes, and CI/CD pipelines Expected to design ...

work closely with traders, quants, and senior engineers on the development of modern data and analytics tooling used across the business. The environment is C# and Python-focused, with increasing adoption of cloud-native data technologies including Databricks, whilst also integrating with established quantitative pricing and risk platforms such ...

engineers and strengthen engineering culture across the organisation Essential Skills for the Principal .NET Engineer: Deep hands-on expertise in ASP.NET Core, Web API, C#, Entity Framework Strong experience with Azure, Kubernetes, Kafka and Microservices architecture Experience with MongoDB, cloud integrations and distributed systems Strong knowledge of JavaScript/TypeScript ...

/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 ...

JavaScript, React, HTML5, CSS3, and modern front-end development practices. Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. Solid experience with C# and .NET Framework for backend and integration development. Hands-on experience administering SharePoint on-prem environments, including patching, upgrades, performance tuning, and troubleshooting. Experience with ...

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 ...

Monitoring/Azure Monitor experience Experience with security-first engineering practices Experience within banking, financial services or government programmes Exposure to software development using C# or Python What We’re Looking For We’re looking for engineers who are: Collaborative and delivery-focused Comfortable working in fast-paced enterprise programmes ...

years preferred) Strong understanding of D365 architecture and customisation capabilities D365 Customer Voice skills with experience creating interactive surveys, multi-channel distribution Proficiency in C#, .NET, JavaScript, Power Automate, and Power Apps Experience with Azure services (Logic Apps, Functions, Service Bus) is a plus Familiarity with DevOps practices and tools ...

years preferred) Strong understanding of D365 architecture and customisation capabilities D365 Customer Voice skills with experience creating interactive surveys, multi-channel distribution Proficiency in C#, .NET, JavaScript, Power Automate, and Power Apps Experience with Azure services (Logic Apps, Functions, Service Bus) is a plus Familiarity with DevOps practices and tools ...

automated testing and DevOps practices Comfortable working across teams to solve business problems with technology Experience in Agile delivery environments Desirable Experience Node.js or C# exposure Terraform/Infrastructure as Code Distributed systems or API gateway experience Monitoring/observability tooling Enterprise platform or shared services experience Financial markets/ ...

Required Skills & Experience Strong experience in automation testing using Selenium/Playwright/Cypress Proficiency in programming languages such as Java, Python, or C# Experience with API testing (Postman, REST Assured, or similar) Knowledge of testing frameworks (TestNG, JUnit, Pytest, etc.) Familiarity with CI/CD tools (Jenkins, Azure DevOps ...