1 to 25 of 193 Permanent C# Jobs in London

C# Developer - C#/Sql server/Fixed income The Front office (Fixed Income) software development team requires an agile and versatile specialist and team player with mid level expertise in .Net/C# software. The role requires an experienced individual who is comfortable to work in close partnership with … variety of front office stakeholders, globally. Role details Title: Software Developer (software engineer) Technical stack C#.NET. Wider stack .Net, .Net Core, C#, SQL Server Permanent role, salary £60-75,000 Location: London City and home working hybrid Focus: Front office Fixed Income Requirements: Good experience with C#/Sql server ...

C# Developer - C#/Sql server/Fixed income The Front office (Fixed Income) software development team requires an agile and versatile specialist and team player with mid level expertise in .Net/C# software. The role requires an experienced individual who is comfortable to work in close partnership with … variety of front office stakeholders, globally. Role details Title: Software Developer (software engineer) Technical stack C#.NET. Wider stack .Net, .Net Core, C#, SQL Server Permanent role, salary £60-75,000 Location: London City and home working hybrid Focus: Front office Fixed Income Requirements: Good experience with C#/Sql server ...

databases (e.g., MongoDB) or SQL (e.g., Postgres) Understanding of web standards, accessibility and development best practice Experience with Apache NiFi Bonus Skills Microservices in C# Integrating LLMs (e.g., LangChain, Vercel AI) Experience using the GOV.UK Design System and Nunjucks What You'll Love You'll be part of a culture ...

e.g., PostgreSQL). Familiarity with Infrastructure as Code tools (e.g., Terraform). Understanding of accessibility standards and web development best practices. Bonus: Experience with C#, GOV.UK Design System, or integrating with LLMs (e.g., LangChain, Vercel AI). What You'll Gain Exposure to high-impact digital transformation projects. Access ...

Degree in Computer Science or related technical field AND technical engineering experience with coding in languages including, but not limited to, Go, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. Preferred Qualifications Deep experience in distributed systems and cloud infrastructure – including development, operations and life cycle management. Strong ...

C#, .NET, .NET Core, SQL Server, T-SQL, Entity, Azure, App Services, Azure Service Bus, Event-driven architecture, API's, CI/CD, DevOps. We have 2 great permanent job opportunities to join our client in early 2026. A degree in computing, software engineering or computer science would be ideal ...

commitments What we're looking for: 5+ years' experience as a software engineer in enterprise or regulated environments Strong commercial experience with Java (Spring); C# experience is a plus Solid background building RESTful services and APIs Front-end experience with Angular Strong understanding of secure coding practices (OAuth, OpenID Connect ...

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 ...

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 ...

other IaC tools NoSQL (ideally MongoDB) or relational databases (e.g., Postgres) Apache NiFi Web standards, accessibility and development best practice Bonus Experience Microservices in C#/.NET Integrating LLMs with tools like LangChain or Vercel AI Additional Information You must be fully flexible for client assignments, which may involve short ...

engineering, with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record ...

Discovery and integration of new technologies Help to embed a culture of engineering excellence and continuous improvement Required skills: +5 years experience working in C#/.NET Experience developing front and middle office systems Strong SQL experience Experience developing cloud native solutions in Azure or AWS Experience with event-based ...

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 ...

leadership in QA/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban). Strong programming skills in Java, C#, JavaScript/TypeScript, or similar. Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured. Experience with integration testing, test strategy ...

skills. Able to communicate to stakeholders at all levels of the organisation and 3rd parties . Experience working with the following technologies: JavaScript, React, C# . NET , Python, SQL, APIs , Azure, Power Platform, SaaS , PaaS , IaC . Exposure to and understanding of emerging technologies e.g. AI, LLMs, Machine Learning ...

Azure experience are preferred. Solid understanding of current and emerging technologies. Ability to translate business strategy and requirements into technical designs. Experience with C# .NET (APIs, serverless functions, messaging workflows), ideally on Azure. Salesforce integration experience is a plus. If this role sounds like your next career move click "APPLY ...

code and products go to production. What are the key skills/experience you'll already have? 4+ years commercial experience in Software Engineering C# .Net 8 Azure experience including Azure SQL, Data Factory and Functions Containerization (AKS/Kubernetes) React/JavaScript Entity Framework Core Web APIs Unit/ ...

code and products go to production. What are the key skills/experience you'll already have? 4+ years commercial experience in Software Engineering C# .Net 8 Azure experience including Azure SQL, Data Factory and Functions Containerization (AKS/Kubernetes) React/JavaScript Entity Framework Core Web APIs Unit/ ...

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 ...

SENIOR SOFTWARE ENGINEER TO HAVE. Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE. Cloud ...

Developers, Product Managers, QAs and other stakeholders The Person Ideally with 5 years+ relevant experience: Developing, maintaining, and enhancing automation frameworks using Playwright (TypeScript & C#) Designing, writing and executing manual test cases when automation is not applicable Professional services exposure would be advantageous, however they open on sector experience ...

programming, and object-oriented programming (OOP). Genuine interest in software engineering, infrastructure, or data engineering within a low-latency environment, working in C++, C#, or Python. Interest to build expertise in high-performance, real-time trading systems Excellent communication and analytical skills – you will interact directly with Traders ...

Systems, or related field. Minimum 3 years' experience in software development, with strong skills in SharePoint, SQL Server, and the .NET environment. Proficiency in C#, ASP.NET MVC/Core, and web API development. Experience with front-end frameworks and modern development practices. Strong problem-solving skills and ability to manage ...

migration processes. Experience with Power Apps, Power Automate, and Power BI for enhancing Dynamics 365 functionality. Proficient in JavaScript, MS SQL, MS CRM SDK, C# .NET and other relevant programming languages. Familiarity with data migration, integration, and synchronization between Dynamics 365 and external systems. Understanding of security models and data ...

procedures. Required Skills Expertise in Microsoft Azure services, including App Service, Functions, API Management, Storage, and Networking. Strong knowledge of .NET Core, Web API, C#, and Visual Studio. Experience with Azure DevOps, CI/CD, Docker/Kubernetes, and Infrastructure as Code (ARM, Bicep, Terraform). Familiarity with security protocols ...