1 to 25 of 117 C# Jobs in the City of London

TypeScript React.js (preferred), Angular, or Vue.js Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure AD) Secure coding and API versioning Data ...

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 ...

senior technical leadership role where you’ll combine deep hands-on engineering with architectural thinking, mentoring, and cross-team influence. 💻 Platform & Tech Landscape C#/ASP.NET Core Angular & TypeScript Azure (cloud-native architecture, services, observability) Microsoft SQL Server CI/CD pipelines (Azure DevOps) TDD/BDD Highly distributed, mission ...

Skills: Development & maintenance of IT systems Financial markets Understanding of derivatives Exposure to front-office Commodities trading business knowledge (Preferred) Team Lead experience .net C#, .Net Core, Entity Framework, WPF Microservices ANGULAR/ANGULAR JS Databases SQL Server, Oracle, MongoDB Visual Studio (Microsoft)RMDS, Bloomberg API, Reuters EIKON JetBrain Rider ...

work with the latest technologies and developer your skills and career. Hybrid Working: 3 days a week in the office. Experience Required: Expertise in C# and .NET development. Good level of Angular development and principles (TypeScript, HTML, CSS/SCSS) Strong SQL Server (T-SQL) Experience of building and consuming ...

maintain production code Research and integrate new technologies Foster a culture of engineering excellence and continuous improvement Key Requirements 5+ years’ experience working with C#/.NET Experience developing front and middle office systems Strong SQL skills Experience with cloud-native solutions (Azure or AWS) Knowledge of event-driven, microservices ...

ownership of projects and mentoring more junior team members You have strong TypeScript skills, combined with any backend programming language (e.g. Python, Java, C++, C#) You're happy to work with the following tech stack (you don't need experience with all): Elixir, Ember, Elm, Phoenix, LiveView, Python, PostgreSQL ...

focusing on ensuring data integrity Carrying out peer code reviews Ensuring technical documentation is updated and maintained Experience required: 1+ years experience working with C# and .NET Understanding of Angular development Excellent SQL Server skills Experience with web services and APIs, e.g. SOAP, REST CI/CD tooling experience Understanding ...

Qualifications: A degree in Computer Science or a related field is preferable. Minimum of five years of work experience in web development. Proficiency in C#, Core, JavaScript, HTML, CSS, MVC, and JSON. Experience with UI binding frameworks such as Vue.js, AngularJS, React, or Knockout is beneficial. Strong understanding ...

data analytics and evaluate applicability to the firm's operations. IT Applications Manager/Applications Manager Knowledge, Sills and Experience: * Proficient in SQL, C#, Python, Java, HTML/CSS, and related development frameworks. * Understanding of API integration, data modelling, and application performance tuning. * Strong project management skills are essential ...

responsiveness Confident working directly with front-office stakeholders Bachelor's degree in Computer Science, Engineering, or related discipline Desirable Backend experience in Java or C# Experience working in electronic FX, market making, or algo trading Familiarity with AI-assisted development tools while maintaining engineering standards Strong attention to detail ...

strategic goals Provide regular reporting to the Head of Technology on application performance, risk status, and strategic progress. Skills Required Proficient in SQL, C#, Python, Java, HTML/CSS, and related development frameworks. Understanding of API integration, data modelling, and application performance tuning. Strong project management skills are essential ...

guidance. Documentation: Contribute to technical documentation to support maintainability, onboarding, and knowledge sharing. About You Solid commercial experience with .NET/.NET Core and C# Practical experience building and maintaining applications in AWS environments Experience working on production systems with real users and operational constraints Familiarity with CI/ ...

C# Developer Remote Outside IR35 A client is looking for a seasoned C# Developer to join their development function and contribute to a significant internal programme of work. Working as part of the software development team, you ll partner closely with senior stakeholders to produce high-quality, efficient code that … supports core business systems. Responsibilities of the C# Developer: Produce well-structured and clearly documented C#/.NET code. Contribute across the full software lifecycle on greenfield, end-to-end projects. Collaborate effectively with cross-functional teams in a fully remote setup. Participate in peer code reviews and contribute ...

skills : Write test scripts Proven experience as a Test Engineer, QA Engineer, or similar role Strong scripting or programming skills (e.g. Java, Python, JavaScript, C#, or similar) Hands-on experience with test automation tools/frameworks (e.g. Selenium, Cypress, Playwright, REST Assured, pytest, etc.) Experience testing APIs and services Familiarity ...

support DevOps and automation practices, and mentor engineering teams Skills & Experience 10+ years’ experience in application and solution architecture Strong background in .NET/C#, SQL Server, and enterprise integration Proven experience modernizing monolithic systems into service-based or microservices architectures Practical knowledge of Docker, Kubernetes, and cloud platforms (Azure ...

audits and vulnerability remediation. Maintain accurate documentation, including topology diagrams, runbooks, and configuration baselines. Support proprietary messaging APIs using C++, Java, Python, and C# programming languages. Provide support for proprietary cache and gateways that integrate applications with the messaging service. Required Skills & Qualifications: 3+ years of experience administering Solace PubSub+ ...

note Candidates must be UK based Candidates must have Security Clearance or be eligible for the clearance to apply for this role As a C#/.NET Full Stack Engineer , you'll play a crucial role in bringing client visions to life, helping organizations unlock value through smart, scalable digital … domains, leveraging a consultative approach to tackle complex business needs with precision and creativity. You’ll be working with technologies such as ASP.NET Core, C#, Entity Framework, SQL Server, RESTful APIs, and microservices all while gaining exposure to cloud platforms and modern development practices. Must-Have Skills: Strong hands ...

participate in debugging and issue resolution Follow best practices in software development, testing, and documentation Required Qualifications Strong programming skills in Python , C++ , or C# Solid foundations in computer science, including data structures and algorithms Experience working with large datasets and time-series data Familiarity with Linux/Unix environments ...

.NET Developer, C# 14 - Global Technology Brand - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our clients fascinating story dates back to 1981; today they have fast become … expand their award winning .NET software development team. We are seeking .NET Developer candidates with experience of either web application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js ...

transactions and real-time calculations. Collaborate with Product Owners and Tech Leads to translate business requirements into technical solutions. Skills & Experience: Strong experience with C#/.NET Core and associated frameworks. Proven experience building and maintaining financial or investment platforms. Strong Experience with Angular Experience with relational databases (SQL Server ...

Skills & Requirements: Proven experience testing complex software systems in delivery environments Strong hands-on experience with Playwright and/or Selenium Development experience using C# or TypeScript Solid background in API and UI testing Experience working with Azure DevOps Naturally curious with a strong testing mindset and attention to detail ...

contact for stakeholders across international client teams Requirements: Proven experience in a Technical Business Analyst or similar role within financial services Advanced SQL expertise; (C#, .NET advantageous) Strong understanding of database design, data architecture, and complex data models Experience working in Agile delivery environments Excellent communication skills, with the ability ...

other E-commerce platforms. Experience with managing third party vendors, good stakeholder management skills Coding languages such as React, JavaScript, AngularJS, .Net, C#, TypeScript, HTML, CSS, This will be initially a six-month day rate contract inside IR35 via umbrella company from our supplier list. This is a hybrid role ...

Experience with Power Platform and Dataverse. Must have project experience in delivering complex solutions. Experience with some of the following development languages such as C#, .Net, JavaScript, HTML, CSS, JSON and experience working with XML based APIs. Experience within Microsoft Office 365 and associated platform products, Azure AD, SSO etc. ...