1 to 25 of 221 C# Jobs in London

Azure Cosmos DB Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
purpose. Your Responsibilities Develop cloud-native applications using Azure Cosmos DB (SQL API, Mongo API). Build reusable libraries and frameworks in C#/.NET or Node.js Establish robust CI/CD pipelines through GitLAB DevOps to streamline delivery and reduce operational overhead. Design efficient data models tailored to NoSQL ...

Java Full Stack Engineer (SC eligible)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
NoSQL (MongoDB) or SQL databases such as Postgres Experience working with GOV.UK standards or in the UK public sector Exposure to Node.js, Kotlin or C# Experience integrating solutions with LLMs (LangChain, Vercel AI, etc.) Why This Role Stands Out Real impact: contribute to digital services used by millions Huge investment ...

MS Dynamics 365 CE Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
Canvas Apps on Dataverse Power Automate Deep expertise in Cloud Flows, Desktop Flows (RPA), and Business Process Flows Custom Development Strong proficiency in C#, TypeScript, JavaScript, and .NET for plugin and PCF control development Dataverse Knowledge of data modelling, security roles, business rules, and Dataverse APIs Integrations Proven track record ...

IT Solution Architect

Hiring Organisation
BDO
Location
London, United Kingdom
Employment Type
Permanent
presentation 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, NLP, MCP etc. ...

Java Full Stack Developer

Hiring Organisation
Stealth IT Consulting Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£55,000
familiarity with MongoDB is preferred) or SQL databases such as Postgres Familiarity with web standards, accessibility, and development best practice Bonus: Building microservices in C# Experience building solutions that integrate with LLMs using tools such as Vercel AI, Langchain etc. Using the GOV.UK Design System and using Nunjucks ...

Senior .NET Developer - Risk Technology

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £115,000 per annum
improve system performance and risk analysis Work effectively with global teams across multiple locations Key Requirements Strong hands-on experience in software engineering using C# and .NET Core Solid understanding of CI/CD tools and practices (e.g., Jenkins, TeamCity, Git, Nexus) Experience within enterprise-level or investment banking environments ...

Senior Software Engineer

Hiring Organisation
NearTech Search
Location
London Area, United Kingdom
product innovation and new feature development You Will Need 5+ years software engineering experience within modern development environments Strong expertise in .NET Core (C#), Microsoft Azure services, Frontend (ideally Angular) and SQL Server. Experience integrating payment platforms or financial APIs– Experience working with event-driven systems, messaging, and secure authentication ...

IT Development Team Lead (Full Stack)

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
skills, accountabilities and development areas. Desirable Skills: 5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Strong experience in working with Azure (preferably certified) including App Services, Azure Function, Service Bus Experience leading and mentoring small-to-medium hybrid ...

Senior Software Engineer

Hiring Organisation
Caspian One
Location
City of London, London, United Kingdom
services (buy‐side preferred, sell‐side also welcome). Solid background in treasury, collateral, middle‐office, or financial operations technology. Strong programming skills in C# + Python Front‐end experience with Vue.js , React , or Angular . Experience with databases such as SQL Server, Databricks, or Azure SQL. Strong understanding ...

Senior Software Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
global financial markets. The Technical Stack You will be working within a modern, engineering-first culture. The core stack includes: The Engine: Expert-level C# and .NET Core mastery. Architecture: Deep understanding of SOA (Service Oriented Architecture) and complex Object-Oriented design patterns. System Dynamics: Specialized knowledge of concurrency, asynchrony ...

Senior SharePoint Developer and Administrator

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
/Online. Proven SPFx development skills. Proficiency in TypeScript, JavaScript, React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint on-prem administration, performance tuning, patching and troubleshooting. Experience with BCS and creating External Content Types. Strong SQL Server ...

Technical Lead

Hiring Organisation
EVOLVE IN RECRUITMENT LTD
Location
South West London, London, United Kingdom
Employment Type
Permanent
defencefinancialservicesandtransport.WithteamsthatoperategloballyfromofficesacrosstheUK,Ireland,theUS,Nordics,andNetherlands. JobDescription WhyconsiderjoiningtheDigital&Datacommunity Growaflexibleanduniquecareerwithinatrust-basedenvironmentthatvaluesexcellence,innovation,andcuriosity.Youhavetheoptiontoprogresswithusonatechnicalcareertrack.NoneedtogoontothePartnercareertrackifthisdoesntalignwithwhatyouwanttodo. Workonabroadvarietyofprojectsandtechstacksforclientsacrosssevensectors-noprojectiseverthesame Techstackrequiredideally: Whileweadvocateforusingtherighttechfortherighttask,youcanexpecttoworkwiththefollowingtechnologiestoensurescalable,high-performanceapplications: ProgrammingLanguages:JavaScript/TypeScript,Java,C# Frameworks:Vue/Angular/React/Node/Next,Spring/SpringBoot,.NET/ASP.NET Cloudplatforms:AWS,GCP,Azure CI/CD:Jenkins,GitHubActions ...

Software Engineer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
debugging and problem-solving skills Experience collaborating with technical stakeholders such as researchers or data scientists Desirable Experience Experience with languages such as C++, C#, Rust, or JavaScript Experience building microservices or distributed systems Linux experience including debugging services and working with system logs Exposure to trading systems, market data ...

Dynamics 365 Developer CE, Power Platform, Dataverse, Git, CI/CD

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
extending and customising Dynamics 365 CE/CRM inc. Dataverse Experience working with both technical and business stakeholders to capture requirements Solid knowledge of C#, .NET, JavaScript, TypeScript, Liquid , and other relevant languages used in Dynamics development. Experience configuring and customising Dynamics 365 solutions. Strong background integrating Dynamics with external ...

Solution Engineer

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
with: Microsoft Power Platform/Dynamics, REST, SOAP, and Web API integrations, Azure Integration Services, Azure DevOps, Azure Service Bus, Databricks, Jitterbit, SQL Server, C#, ASP.NET, JavaScript, XML Experience delivering engineering work within large IT change portfolios Strong understanding of SDLC, automation, DevOps, pipelines, and engineering best practice Ability ...

Integration Developer - Technical Lead

Hiring Organisation
MORGAN PHILIPS UK LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
here if you're proactive, collaborative, and comfortable working across multiple systems in a fast-paced environment. Essential skills and experience: Strong background in C#/.NET, API development, and integration technologies Experience designing and delivering integrations using RESTful services, messaging, or service bus patterns Solid understanding of SQL Server ...

Software Engineering Manager - Technical Delivery

Hiring Organisation
The Curve Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
ability to review architecture, challenge solutions, and implement engineering standards Excellent communication skills for both technical and non-technical stakeholders Familiarity with .NET/C#, Azure, DevOps/CI/CD, microservices, and modern scalable architecture principles is desirable The opportunity: Shape a new leadership role in a regulated, innovative ...

Software Engineering Manager - Technical Delivery

Hiring Organisation
The Curve Group
Location
City of London, London, United Kingdom
Employment Type
Contract
ability to review architecture, challenge solutions, and implement engineering standards Excellent communication skills for both technical and non-technical stakeholders Familiarity with .NET/C#, Azure, DevOps/CI/CD, microservices, and modern scalable architecture principles is desirable The opportunity: Shape a new leadership role in a regulated, innovative ...

Engineering Manager

Hiring Organisation
The Curve Group
Location
Greater London, England, United Kingdom
ability to review architecture, challenge solutions, and implement engineering standards Excellent communication skills for both technical and non-technical stakeholders Familiarity with .NET/C#, Azure, DevOps/CI/CD, microservices, and modern scalable architecture principles is desirable The opportunity: Shape a new leadership role in a regulated, innovative ...

Software Engineer

Hiring Organisation
Harrington Starr
Location
City Of London, England, United Kingdom
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 ...

Dynamics 365 CRM Solutions Architect

Hiring Organisation
Nigel Frank International
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
designing integrations using Azure Functions, Logic Apps, Service Bus, and REST APIs . Solid understanding of Dataverse architecture and data modelling . Experience with C#, .NET, JavaScript, and Dynamics 365 customisation and configuration . Proven experience working in Solution Architect or Technical Architect roles . Strong understanding of enterprise architecture ...

Senior Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540 per day
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 ...

Full Stack Developer (.NET Core / Angular)

Hiring Organisation
Hays Technology
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 70,000 Annual
days) Annual bonus of between 10% and 25%, depending on personal and company performance. Desired Skills and Experience Software, Developer, Asset Management, AML, C#, .NET, .NET Core, angular, UI, Front End, Azure, SQL Server, Financial Services, Lead Developer, Senior Developer, AI, Artificial Intelligence, Hays Specialist Recruitment Limited acts ...

Full Stack Developer (.NET Core / Angular)

Hiring Organisation
Hays Technology
Location
London, Cannon Street, United Kingdom
Employment Type
Permanent
Salary
£50000 - £70000/annum Bonus + 12% Pension
days) Annual bonus of between 10% and 25%, depending on personal and company performance. Desired Skills and Experience Software, Developer, Asset Management, AML, C#, .NET, .NET Core, angular, UI, Front End, Azure, SQL Server, Financial Services, Lead Developer, Senior Developer, AI, Artificial Intelligence, Hays Specialist Recruitment Limited acts ...

Applications Developer

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
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 ...