1 to 25 of 154 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 ...

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 ...

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/ ...

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 ...

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 ...

Clearance or above required Practical Power BI experience (with interest/ability to grow Power Platform capability) Familiar with a development language (e.g. C#, JavaScript) and Azure basics Strong communication, problem-solving, and stakeholder engagement skills Ability to work under general guidance, organise your own workload, and collaborate effectively (aligned ...

influence diverse technical teams. Desirable Experience Background in the insurance, reinsurance, or wider financial services industry. Strong architectural understanding of the .NET/C# ecosystem and modern front-end frameworks (ideally Angular). Experience with data architecture concepts including relational, NoSQL, and data lake technologies. Knowledge of cloud-based ...

influence diverse technical teams. Desirable Experience Background in the insurance, reinsurance, or wider financial services industry. Strong architectural understanding of the .NET/C# ecosystem and modern front-end frameworks (ideally Angular). Experience with data architecture concepts including relational, NoSQL, and data lake technologies. Knowledge of cloud-based ...

testing tools like JMeter, Gatling, K6, Neoload, or Webload . Strong coding skills in at least one language such as Java, TypeScript JavaScript, Python, C#, , Scala, or PHP. Experience designing and building automation frameworks . Familiarity with Agile development environments (SCRUM, Kanban, TDD, BDD). Implementing pipelines using common tooling ...

Sales, Customer Service, or Field Service). Familiarity with Azure services and integration approaches (APIs, Logic Apps, Service Bus). Coding experience with JavaScript, C#, or other relevant languages. Strong communication skills with the ability to explain technical concepts clearly. A collaborative, supportive approach to leadership and mentoring. Background working ...

Sales, Customer Service, or Field Service). Familiarity with Azure services and integration approaches (APIs, Logic Apps, Service Bus). Coding experience with JavaScript, C#, or other relevant languages. Strong communication skills with the ability to explain technical concepts clearly. A collaborative, supportive approach to leadership and mentoring. Background working ...

Firewall Administration - Cisco ASA Scripting - PowerShell or Python Core knowledge of Linux Systems Administration - Red Hat SQL query writing/Procedural SQL (SQL Server) C#/VB.net or other high level programming language IIS Google Workspace Other Non-Essential But Desirable Skills: Previous experience supporting Futures & Options Trading, Risk ...