City of London, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer - Fastest Growing Social Media Firm – London (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is on a quest to transform how people discover … million from well respected investors they have recently opened new offices in the UK and are on the lookout for the very best .NET Developer. NET Developer applicants should be experienced in: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You should … have a strong grasp of object orientated (OO) development principles. Our client can provide you with industry recognized training in: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Our client has a flat organization, which means that they More ❯
A leading global trading firm is looking for a C# .NET Developer to join its trading systems team. You’ll work across front office, risk, and operations to build and support business-critical systems that handle real-time trade execution, messaging, and integration. This role focuses on developing … high-performance services using the .NETframework, integrating with FIX protocols, and leveraging message queuing technologies such as RabbitMQ or Kafka. You’ll play a key role in improving trade flow automation and operational efficiency across the front-to-back lifecycle. Key Responsibilities: Design and develop … .NET-based services that integrate trading systems using FIX Build and maintain messaging infrastructure using RabbitMQ, Kafka, or similar Develop robust APIs and services for trade capture, enrichment, and routing Work closely with traders, middle office, and risk to enhance STP and reconciliation workflows Support and optimise CI More ❯
of the leading investment platforms and back-office systems in the UK. Your Skills/Background: SaaS/Application Software Development, C#/.NET, .NET Core, Persistence Frameworks, SOLID Principles, Web APIs, MS SQLCustomer Experience. Team Leadership, Systems & Processes Leadership. Who we are: We re Sprint … team of C# and SQL developers. This role is a blend of leadership (50%) and hands-on technical development (50%), requiring expertise in .NET application/system design in a Windows Server 2022/MS SQL Server/IIS environment. This is a fully remote opportunity within the … our GitHub based code repository • Drive innovation, exploring new technologies and approaches to enhance our solutions Where your expertise will lie: • C#/.NET • .NET Core • Persistence Frameworks (Entity Framework, Dapper, etc.) • SOLID Principles • Web APIs • MS SQL Server integration through Stored Procedures • Persistence More ❯
City of London, London, United Kingdom Hybrid / WFH Options
twentyAI
will work closely with Project Managers, Development Leads, and Business Analysts to support the customization and development of their systems. This includes enhancing .NET-based applications and integrations, with a focus on EOS and physical commodities. Key Responsibilities: Develop, maintain, and optimize applications using the .NETFramework, including WinForms and WCF services Design and implement SQL Server database solutions to support application functionality Collaborate with Business Analysts and regional specialists to translate business requirements into technical solutions Follow coding standards, implement unit testing, and ensure high-quality delivery Use Azure DevOps for … plans and delivery timelines Support system enhancements related to LNG and physical commodity trading Requirements: Technical Skills : Proven experience in C#.NET within the .NETFramework (Core is a bonus), solid database design and development using SQL Server, strong knowledge of WinForms and WCF, familiarity with CI More ❯
an individual contributor role with no direct line management but significant influence over technical decisions and standards. Key Technical Skills Back-End Development: .NETFramework, .NET Core, ASP.NET Core, Node.js, C# Database Management: SQL Server, with additional experience in NoSQL databases (e.g., MongoDB) Cloud More ❯
integrations/APIs. Working in cross specialism SCRUM teams, adopting Agile practices. You’ll have experience using both Backend and Frontend technologies, including: .NET Development, C#, .NET Core and .NETFramework, MVC, Web API HTML (Valid & semantic markup, SEO best practices) CSS More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Primis
Position: .NET Developer Location: London/Hybrid Duration: 6 months Start Date: Immediate Day Rate: £500-£550 (Outside IR35) Primis are actively searching for a .NET Developer looking for their next challenge! Do you thrive in collaborative environments and have a passion for building scalable software … and improve existing applications, ensuring performance, scalability, and security. Troubleshoot and resolve issues across the software development lifecycle. Requirements: Proven experience as a .NET Developer (Mid to Senior level). Strong expertise in .NETFramework/.NET Core and C# . Solid … the business. You’ll collaborate with other talented developers and engineers as part of a supportive, innovative team. If you’re a proactive .NET Developer looking for your next role to start immediately – apply now! Research indicates that men will apply to a role when they meet only More ❯
Synechron is looking for a Senior .NET Engineer to join their Engineering and AI Practice to work on a multi-year, AI programme of work within a leading financial institution. The role is responsible for delivering building robust and reliable product which will act as single stop solution … meetings Experience: 8+ years of experience in all phases of software development including design, coding, testing, debugging, and implementation Strong knowledge of the .NETframework, object-oriented programming, multithreading, C# with exposure of VB.NET, ASP.NET MVC, HTML5, CSS3, ReactJS, Redux, WebPack Expertise in development of Azure … cloud based applications using C#, .Net Core Experience with front-end frameworks (ReactJS, etc) Expertise in development of REST based WebAPIs Expertise in writing Unit Test Cases using MS Test or nUnit Understanding of agile Methodology Preferred: Understanding of SAST tools like HP Fortify, SonarQube and their integration More ❯
City of London, London, United Kingdom Hybrid / WFH Options
The Adecco Group
institution, working on a hybrid basis from Liverpool Street, London . This role is ideal for someone with a strong technical foundation in .NET technologies and a deep understanding of financial markets and securities products. You’ll be involved in the development and enhancement of critical systems that … support trading, risk, and regulatory functions. Key Responsibilities: Design, develop, and maintain robust, secure, and high-performance applications using C# and the .NETframework . Collaborate closely with stakeholders to understand business needs and translate them into effective technical solutions. Work with relational databases, writing complex … development, testing, and deployment. Communicate technical concepts effectively across teams with varying technical backgrounds. Key Skills & Experience: Strong background in C# programming and .NET technologies . Proven experience with relational databases and SQL . Solid knowledge of financial markets and securities products . Ability to analyse information , understand More ❯
IT and Strong Skills Required: Proficiency in object-oriented programming Solid understanding of architectural patterns (e.g., n-tier, MVVM) Preferred: Experience with the .NETframework, C#, WPF, Angular Familiarity with frameworks such as Unity, Spring, Prism, or Castle Business and Technical Exposure Experience in financial markets More ❯
React, Angular, incorporating the Fluent UI design system for a consistent and polished user experience. Ensure seamless interaction with Power Platform components and .NET Core applications. .NET Core Development: Develop and maintain robust APIs and back-end services using C# and .NET Core, adhering … to best practices for performance, security, and scalability. Back-End Development: Develop robust APIs using C#/.NET Core on Azure App Service to handle data manipulation, authentication, and authorisation, integrating with Power Platform and other systems. Data Management: Model and manage data within Azure SQL Server, utilising … data connectors to integrate with external systems and .NET Core applications. Application Packaging and Deployment: Package and deploy .NET Core applications to various environments (Azure App Service, on-premises servers, etc.), using appropriate tools and techniques (e.g., Docker, Azure DevOps pipelines). This includes managing dependencies More ❯
with global teams, align with Head Office on process and governance. Oversee BAU support and manage rota coverage for trading hours. 🔹 Tech Stack .NET (C#, .Net Core, WPF), Entity Framework Angular/AngularJS SQL Server, Oracle, MongoDB Bloomberg API, RMDS, Eikon Microservices, Visual Studio … or trading systems. Solid understanding of derivatives, risk (Greeks), and curve construction. Hands-on knowledge of options theory and volatility surfaces. 🔹 Preferred Tech .NET, C#, WPF, Angular Familiar with frameworks (Unity, Prism, etc.) Commodities or interest rate products knowledge a plus 🔹 Environment Hybrid setup (minimum 3 days in More ❯
candidate- Highly skilled and experienced WPF Developer to be part of Front Office technology team. ( 10 plus years of experience in WPF and .NET (C#) development.) Must be an expert in WPF and .Netframework Has experience of working on applications used by front More ❯
Cloud Solutions (e.g., Public Services, utilities and Energy). Knowledge of AI/ML & Big Data in cloud environments. Programming & Scripting: Proficiency in .NETFramework, C#, Terraform, or other relevant languages. TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary More ❯
has 5 capabilities: IT Architecture Cloud Engineering Software Engineering Intelligent Process Automation Quality Management We’re hiring: Mid-Level Software Engineers (C#/.NET) | Join Valcon’s Growing Tech Team Another exciting project win means we're looking to expand our engineering team, and this is your chance … you’ll be working with: We’re looking for developers with solid core engineering skills and a strong background in modern C# and .NET development , including: Core C# & .NET Skills Hands-on experience with C# (latest versions preferred) Deep knowledge of .NET Core/… .NET 6/7/8 for building scalable APIs Strong grasp of OOP principles and design patterns API Development Building and maintaining RESTful APIs Solid understanding of HTTP protocols, status codes, headers, etc. API documentation using tools like Swagger/OpenAPI Legacy Systems Exposure to or experience More ❯
promote best practices, and reduce operational risk Propose innovative solutions, new business capabilities, and system improvements Experience: Proven background in software development using .NET (C#, .Net Core, WPF, Entity Framework) Front-end experience with Angular/AngularJS Strong database skills with SQL Server, Oracle More ❯
promote best practices, and reduce operational risk Propose innovative solutions, new business capabilities, and system improvements Experience: Proven background in software development using .NET (C#, .Net Core, WPF, Entity Framework) Front-end experience with Angular/AngularJS Strong database skills with SQL Server, Oracle More ❯
platforms Work on data interfaces to connect various systems within the bank. Write unit and integration tests to ensure code quality and reliability. .NET Development (Optional): Develop and maintain .NET code for back-end services, APIs, and integrations with other systems. Utilise relevant .NET frameworks and technologies (e.g., ASP.NET Core, C#, Entity Framework). Write unit and integration tests to ensure code quality and reliability. Reverse Engineering: Analyse and understand existing codebases (potentially Python) to identify areas for improvement, bug fixes, and new feature implementation. Document findings and create clear More ❯
of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean code practices Experience using web More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Nexbotix
Identify opportunities to productise solutions for use across other Nexbotix clients. Technical Development & Support o Design, build, and maintain full-stack applications (ASP.NET, .NET Core, React/Blazor) and Azure-based solutions (Functions, SQL, Storage). o Investigate and resolve complex technical issues, manage escalations, and support customer … managed service environments. o Develop using modern RPA tools like Robot Framework and Python Collaboration o Be available to attend quarterly London team meet-ups. o Work cross-functionally with Nexbotix’s project delivery, customer success, and support teams. Essential Skills Technical Expertise: Strong experience with C#, .NETMore ❯
Solutions Architect - d365 CE, CRM, .Net, C#, Azure, Power Apps, TOGAF, Agile Xpertise are urgently looking for several Solutions Architects (d365 CE, CRM, .Net, C#, Azure, Power Apps, TOGAF, Agile) due to ongoing demand. Candidates will have the following skills and experience: Proven experience as a … Dynamics 365/d365 CE implementations (including previous versions) Proven experience of leading large-scale systems integration programmes Proven experience of MVC, Entity Framework and Enteprise Library Proven experience working in Agile environments ideally Agile Certified A strong working knowledge of SQL Server 2008 and SSRS Strong .NETMore ❯