51 to 75 of 356 C# Jobs in the City of London

engineering best practices including Git-based version control and CI/CD Requirements 3–7 years of experience in data or software engineering Strong Python programming skills (Java or C# a plus) Hands-on experience with AWS (S3, ECS, Postgres) Understanding of Kafka, orchestration, and distributed data systems Experience in energy trading, commodities, or financial analytics preferred Strong communication skills More ❯

engineering best practices including Git-based version control and CI/CD Requirements 3–7 years of experience in data or software engineering Strong Python programming skills (Java or C# a plus) Hands-on experience with AWS (S3, ECS, Postgres) Understanding of Kafka, orchestration, and distributed data systems Experience in energy trading, commodities, or financial analytics preferred Strong communication skills More ❯

Financial Mathematics , or a similar quantitative field. 2–5 years’ experience in a software development or quantitative role. Strong programming skills in Python, C, C++, SQL , and/or C# . Solid understanding of Linux systems. Nice-to-haves Familiarity with TypeScript, React, and SASS/SCSS is a plus. Understanding of financial derivatives , including volatility modelling and stochastic calculus More ❯

Financial Mathematics , or a similar quantitative field. 2–5 years’ experience in a software development or quantitative role. Strong programming skills in Python, C, C++, SQL , and/or C# . Solid understanding of Linux systems. Nice-to-haves Familiarity with TypeScript, React, and SASS/SCSS is a plus. Understanding of financial derivatives , including volatility modelling and stochastic calculus More ❯

ownership, drive architectural decisions, and love getting hands-on with POCs, innovation, and clean, maintainable code. You’ll need strong React UI experience and backend expertise in Go , Ruby , C# , or Java (with a willingness to cross-train into Go). The wider application stack also includes Python and Ruby , and the platform is hosted on AWS (with migration to More ❯

ownership, drive architectural decisions, and love getting hands-on with POCs, innovation, and clean, maintainable code. You’ll need strong React UI experience and backend expertise in Go , Ruby , C# , or Java (with a willingness to cross-train into Go). The wider application stack also includes Python and Ruby , and the platform is hosted on AWS (with migration to More ❯

a wider understanding of the Microsoft technology stack, including but not limited to Azure and SharePoint. Knowledge of software engineering best practices as well as Microsoft Dynamics CRM SDK, C#, Visual Studio and Team Foundation Server. Full implementation lifecycle experience of CRM based programmes within Microsoft Dynamics 365 and the Power Platform. Experience with Continuous Integration (CI) and Continuous Delivery More ❯

guide risk decisions What You’ll Need Around 5–7 years of professional software development experience, including at least a couple of years working with the .NET framework and C# Strong technical skills across SQL Server, Windows environments, and scripting languages such as Python and VBA A proven ability to analyse complex problems and deliver well-structured, efficient solutions Clear More ❯

a wider understanding of the Microsoft technology stack, including but not limited to Azure and SharePoint. Knowledge of software engineering best practices as well as Microsoft Dynamics CRM SDK, C#, Visual Studio and Team Foundation Server. Full implementation lifecycle experience of CRM based programmes within Microsoft Dynamics 365 and the Power Platform. Experience with Continuous Integration (CI) and Continuous Delivery More ❯

guide risk decisions What You’ll Need Around 5–7 years of professional software development experience, including at least a couple of years working with the .NET framework and C# Strong technical skills across SQL Server, Windows environments, and scripting languages such as Python and VBA A proven ability to analyse complex problems and deliver well-structured, efficient solutions Clear More ❯

with security policies and participate in 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+ messaging systems. Strong background More ❯

with security policies and participate in 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+ messaging systems. Strong background More ❯

observability, CI/CD) Must-Have Qualifications 5+ years in software engineering (flexible if skills and impact are strong) Strong foundations in typed languages (e.g., C++, Scala, Rust, Java, C#, Swift) Strong understanding of core programming concepts, including variable assignments and memory allocation (stack vs. heap) Proven track record of recent impact: delivering features, improving systems, solving real-world challenges More ❯

observability, CI/CD) Must-Have Qualifications 5+ years in software engineering (flexible if skills and impact are strong) Strong foundations in typed languages (e.g., C++, Scala, Rust, Java, C#, Swift) Strong understanding of core programming concepts, including variable assignments and memory allocation (stack vs. heap) Proven track record of recent impact: delivering features, improving systems, solving real-world challenges More ❯

.NET Developer, .NET 9, C#, SQL Server - Investment Bank - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, operations in over 20 countries our client has fast becomeWeb API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's most respected banking institution. Their story dates … and today they operate from over 10,000 offices in 100 countries. Working in tandem with Microsoft they are about to embark upon one of the largest .NET/C# software development projects to take place within the financial services arena for the past 20 years. You will be working on the design and development of a brand new web … based .NET/C# investment banking application that will be the envy of the industry. We are seeking passionate .NET Developer with strong experience on the .NET framework and who comes from a solid software development background. Ideally you will have full project life cycle experience and will have worked on complex enterprise level .NET/C# applications. .NET Developer More ❯

that support critical business functions like customer service, order processing, and fulfilment. The environment is modern, collaborative, and values clean, scalable software that solves real business problems. Tech Stack: C#/.NET Core Angular (or similar SPA frameworks) SQL Server/Entity Framework REST APIs/Swagger Git/Bitbucket What You’ll Get: A hybrid role with a central More ❯

standard for code quality and best practices, actively contributing to code reviews and collaborative programming sessions with your team. As a Senior Software Engineer, you will be experienced with: C#, .Netcore JavaScript, React.js AWS Key information: Up to £475 per day Outside IR35 9 months rolling Hybrid Monthly (London) This is an exciting opportunity for a Senior Software Engineer to More ❯

that support critical business functions like customer service, order processing, and fulfilment. The environment is modern, collaborative, and values clean, scalable software that solves real business problems. Tech Stack: C#/.NET Core Angular (or similar SPA frameworks) SQL Server/Entity Framework REST APIs/Swagger Git/Bitbucket What You’ll Get: A hybrid role with a central More ❯

Contribute to documentation, testing, and bug fixing as part of the development lifecycle Support junior developers and promote knowledge sharing across the team Tech Stack & Requirements: Strong experience in C#, .NET Core, and Entity Framework Solid understanding of RESTful APIs and backend service architecture Skilled with SQL and relational database design Experience with writing standalone distributed services Experience working with More ❯

Contribute to documentation, testing, and bug fixing as part of the development lifecycle Support junior developers and promote knowledge sharing across the team Tech Stack & Requirements: Strong experience in C#, .NET Core, and Entity Framework Solid understanding of RESTful APIs and backend service architecture Skilled with SQL and relational database design Experience with writing standalone distributed services Experience working with More ❯

/FO and Power Platform Strong grasp of Azure Logic Apps, Functions, and DevOps Regulatory sector exposure Solid understanding of CRM/ERP processes in regulated industries Skilled in C#, .NET, JavaScript, SQL Server, and data integration Agile mindset with excellent documentation and stakeholder engagement skills If you tick the boxes please drop me your details and we can discuss More ❯

Contribute to documentation, testing, and bug fixing as part of the development lifecycle Support junior developers and promote knowledge sharing across the team Tech Stack & Requirements: Strong experience in C#, .NET Core, and Entity Framework Solid understanding of RESTful APIs and backend service architecture Skilled with SQL and relational database design Experience with writing standalone distributed services Experience working with More ❯

CD, and automated testing to boost productivity. We're looking for a leader with strong technical expertise: Proficient in design best practices. Experience: Solid hands-on coding experience with C#/.NET .Net 6+ & .Net Framework Entity Framework/Entity Framework Core SQL React & TypeScript - The role in a heavily BE-leaning, but it needs to have a good FE More ❯

you'll have experience building public facing Blazor WASM sites, to create scalable, high-performing, user friendly solutions that are secure and reliable. Must have..... Blazor frontend web framework C#, HTML, CSS UI/UX design Google Analytics integration TDD; APIs; Azure environment Agile methodology Nice to have...... Experience working in the insurance industry If the above sounds like you More ❯

CD, and automated testing to boost productivity. We're looking for a leader with strong technical expertise: Proficient in design best practices. Experience: Solid hands-on coding experience with C#/.NET .Net 6+ & .Net Framework Entity Framework/Entity Framework Core SQL React & TypeScript - The role in a heavily BE-leaning, but it needs to have a good FE More ❯