1 to 25 of 238 C# Jobs in the City of London

product to these new markets and help enhance this already successful company! Successful .NET Developer candidates should be able to demonstrate strong knowledge of: .NET Core/ASP.NET MVC, C# and Azure SQL. Any experience in the following is desirable: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile More ❯

Senior C# Developer/Engineer (C# .Net Core) London/WFH to £85k Are you a skilled C# Developer looking to progress your career in a senior, hands-on role? You could be at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer you'll be designing and developing high quality, maintainable, and … reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with microservices. There are many technical challenges to explore, the initial project will be to … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally, you'll have some experience with Docker/Kubernetes, EKS You More ❯

in CI/CD pipelines, infrastructure-as-code, and cloud-native development Solid knowledge of modern development frameworks and tools Our Tech Stack includes: Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue, Angular, React, Node, Next, Spring/Spring Boot, .NET/ASP.NET Cloud Platforms: AWS, GCP, Azure CI/CD: Jenkins, GitHub Actions, Azure DevOps IaC: Terraform, CloudFormation, Azure More ❯

on time, quality, cost, and performance. Collaborate with colleagues across the organization to gain buy-in and feedback on proposals and designs. Required Knowledge & Experience: Essential: Strong proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including More ❯

in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++/C#/Java/etc would also be considered) Experience working on mission-critical applications, following a robust SDLC Excellent communication and problem-solving skills; and a strong aptitude for learning More ❯

resolve production issues, ensuring minimal disruption to trading activities. Contribute to continuous improvement initiatives and technical innovation within the team. Key Skills & Experience: Required: Strong programming skills in Java , C# , or Python . Experience with FX trading systems , ideally in investment banking or financial services. Solid understanding of trade lifecycle , pricing , and risk management . Familiarity with FIX protocol , MQ More ❯

Commercial Experience as a Back-End 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 in FinTech or Similar Structured More ❯

smart, efficient engineering. Instill best practices in system design, quality, and delivery. Collaborate across engineering, product, and architecture teams to solve real problems the right way. Technologies: Languages & Frameworks : C#, .NET Core Architecture : Event-driven, service-oriented Cloud & Infrastructure : Azure (or AWS), Infrastructure-as-Code Data & Integration : SQL, caching, message brokers (e.g., RabbitMQ) Front-End : HTML, CSS, JavaScript Engineering Practices More ❯

looking for: 1+ years’ experience as a software developer (Ideally with exposure to both frontend and backend development.) Strong experience in at least one of: Python, JavaScript, Java or C# . Computer Science BSc. Strong educational background, attending a Russell Group University. Basic knowledge of relational databases (e.g. Postgres, MySQL, SQL Server). Familiarity with building or consuming RESTful APIs More ❯

support adoption across the group. Required Experience & Skills 5+ years of cloud-native development experience, preferably Azure (AWS a plus). 5+ years of software engineering experience, mainly in C# and/or Python. Strong knowledge of cloud services (Azure App Services, Functions, AI Services). Proficiency in REST APIs, microservices, and event-driven architectures. Experience with Git-based version More ❯

technology strategy, promoting innovation and best practices Essential Skills & Experience: 8+ years in software development within financial services or other complex enterprise environments is a must have Skilled in C#, .NET Core, Angular (v17+), SQL Server, Azure, microservices, and Power BI Experience in unit testing, test automation, and Agile delivery Knowledge of compliance, regulatory reporting, and enterprise operational processes Proven More ❯

Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer within the trading engine team you'll collaborate to design and develop real-time trading systems, you'll often … be collaborating with he strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis … Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree More ❯

computer science, Information Technology, or a related field (or equivalent work experience). • Proven experience as a Front-End Developer with a focus on React.js and Typescript. • Familiarity with C# and .Net. • Strong proficiency in JavaScript, ES6/ES7, and related front-end technologies. • Familiarity with state management libraries such as Redux. • Experience with version control systems, such as Git. More ❯

customer-focused, resilient solutions that make a real difference for colleagues and customers alike. What You’ll Do: Translate business requirements into working, user-focused solutions Design and develop C#, plugins, JavaScript, Power Apps, Power Automate, SSIS, and SSRS solutions Provide technical guidance and mentorship to junior developers Participate in SCRUM ceremonies and influence platform architecture Ensure solutions are aligned More ❯

that above all, they empower others to succeed while creating a culture of trust and collaboration. Some Cool stuff that you will work with and integrate with :- **C++, C, C#, Python **Windows/Linux, XILINX **SCRUM, SAFe, AZURE DevOps, CI/CD, GIT **UI, UX, GUI, JavaScript, Angular, React, NodeJS **Python, PyQT, **IIOT, Industrial Internet of things, Computer Vision, PLC More ❯

Solid understanding of object-oriented programming and test-driven development (TDD, BDD). Familiarity with agile software engineering practices. Passion for continual learning and experimentation. Desirable Skills: Experience with C# Experience with AWS or Azure cloud environments. Hands-on experience with Domain Driven Design Experience with git, CI/CD, and DevOps practices. Exposure to Actuarial/Commercial Insurance. Interest More ❯

and automation. Coach and guide team members while promoting best engineering practices across the team and wider business. Skills and Knowledge Skilled in either Microsoft Dynamics 365 CRM, or C#/.NET in an Azure environment Experience with DevOps, CI/CD tools (TFS, Azure DevOps, MSBuild, Release Management). Strong understanding of Microsoft platforms, AKS, and micro services integration More ❯

and stakeholders. Required Qualifications Educational Background: Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field. Technical Skills: Proficiency in programming languages such as C# , Python , or JavaScript . Experience with Microsoft Azure , AI , and machine learning technologies is highly desirable. Experience: Proven experience in software development, ideally within productivity tools or AI-driven applications. More ❯

.NET Architect - Social Messaging Platform - London (Tech stack: .NET Architect, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Developer, Engineer, .NET Architect)In 2012 our client that has been taking the US by storm. After an extremely successful period our client has decided to hop across the Atlantic, in a bid to expand their sphere of influence More ❯

Who You Are B.Sc. degree in Computer Science, SW Engineering or equivalent (M.Sc. is an advantage) Experienced in Java server-side development, including cloud services (preferably AWS) Experienced with C# and .NET (ability to understand code and general knowledge of the framework) Experience in building complex, large-scale software solutions from scratch to live production Experience with Java, Spring Boot More ❯

transformation across complex, multi-domain environments. Key requirements: Proven background managing globally dispersed engineering teams (20-30+ heads) in global banks. Experience with Microsoft-based legacy systems (.NET, C#, SQL, Azure, on-prem/cloud) and emerging technologies including Linux, Java, microservices, and containerisation (Docker, Kubernetes, Helm, Camunda). Proficiency in CI/CD pipelines (Jenkins), version control (GitHub More ❯

will have between 2-4 years of experience and be a keen learner with ambition to take your career to the next level. Software Engineer required skills: .NET (ASP.NET) C# HTML, CSS JavaScript/TypeScript SQL Angular or React is preferred You must be UK based & have full right to work in the UK. If this role matches your professional More ❯

stakeholders is essential in order to be a successful candidate. Below is an idea of the technologies used throughout the Digital team. Tech Environment Languages: JavaScript/TypeScript, Java, C# Frameworks : React, Angular, Vue, Node.js, Spring Boot, .NET Cloud: AWS, Azure, GCP DevOps: Jenkins, GitHub Actions, Azure DevOps, Terraform, CloudFormation Due to the nature of the work, candidates must be More ❯

trading systems with upstream trade execution and regulatory platforms. Work within an agile team delivering high-priority solutions under tight deadlines. Skills & Experience Strong Python (or OO language: Java, C#, C++) development experience. Solid understanding of data structures, algorithms, and design patterns. Experience with SQL/NoSQL, APIs, and distributed systems. Familiarity with agile methodologies and CI/CD tools. More ❯

codebases. Support release cycles and contribute to DevOps practices. Must-Have Skills Strong experience with OpenLink Endur (v16+) including: .NET SDK/Toolkit OpenComponents UDSR Development OpServices Solid .NET (C#) development experience in a trading environment. Experience in Power, Gas, or Metals markets. Strong understanding of trade lifecycle and front-to-back workflows. Desirable Skills Familiarity with SQL Server, Oracle More ❯