1 to 25 of 239 C# Jobs in London

Technical Lead - Head of Engineering - 2 Days Peterborough or London

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
TypeScript React.js (preferred), Angular, or Vue.js Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure AD) Secure coding and API versioning Data ...

Senior C# Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Senior C#. NET Developer Location: London (Hybrid) Contract: 6 months IR35: Inside IR35 Our client, a leading global investment bank, is looking for an experienced C#. NET Developer to join their team on a 6 ...

Senior Full-Stack Developer

Hiring Organisation
Goodman Masson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £70,000 per annum
newly established Digital team, working cross-functionally across the business Requirements Proven experience as a full-stack developer Strong proficiency in .NET (C#), JavaScript, and modern frontend frameworks Solid experience with SQL databases and API design and integration Excellent problem-solving, communication, and organisational skills Ability to work proactively ...

Technical Lead/Engineer Lead - London

Hiring Organisation
Evolve Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£71,000 - £113,000 per annum
stack required ideally: You can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP, Azure CI/ ...

Senior Software Developer in Test - Senior Consultant

Hiring Organisation
TEN10 SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Eligibility for SC clearance . Significant experience in Agile environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript , or similar. Proven expertise in automation testing , with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured . Strong knowledge ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
London, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Junior Software Engineer

Hiring Organisation
Career poster
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
product is of good quality Any other reasonable duties as required by the business Skills and Experience: Essential 1+ years Microsoft ASP .NET experience C# ASP.NET core MVC/WebAPI Entity Framework RESTful web services and JSON Javascript HTML/CSS Degree in computer science or another closely related subject ...

Senior Software Engineer

Hiring Organisation
Retelligence
Location
EC2M, Bishopsgate, Greater London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £95000/annum + Bonus
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 ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
London, UK
Employment Type
Full-time
engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams to deliver solutions that solve genuine business challenges Tech Stack: Core: C#, .NET Core Architecture: Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend ...

Lead Full-Stack Developer

Hiring Organisation
Goodman Masson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £110,000 per annum
functionally across the business Requirements Proven experience as a full-stack developer, ideally with experience in a technical lead role Strong proficiency in .NET (C#), JavaScript, and modern frontend frameworks Solid experience with SQL databases and API design and integration Demonstrated leadership ability with strong communication and organisational skills ...

Mid-level/Senior Developer

Hiring Organisation
QWARE
Location
London, UK
Employment Type
Full-time
features or enhancements. Maintain a strong understanding of QWARE products and underlying technologies to deliver expert-level support. Essential Skills & Experience Proficiency in C# .NET software development. Comfortable working on backend (e.g. API) web services, as well as Front-end (UX, Blazor predominantly) web services. Experience in cloud-based development ...

Software Developer in Test

Hiring Organisation
TEN10 SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Essential Skills & Experience: Eligibility for SC clearance . Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript , or similar. Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured. Knowledge of integration testing ...

Technical Developer testing engineers

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 415 Daily
teams to identify defects early, improve test coverage, and streamline the release process. The primary responsibility is to test applications, predominantly developed using MS.NET C# and backed by SQL Server or Oracle databases. Key tasks include understanding business requirements, creating test plans, writing and executing test cases, and performing both ...

Integration Developer

Hiring Organisation
Shaw Daniels Solutions
Location
South London, UK
Employment Type
Full-time
patterns provided by other team members and approved 3rd parties into workable, scalable, reliable solutions. Proficient in creating code, processes, JavaScript, T-SQL, formulas, C#, PowerShell and other scripts as required. Proficient in manipulating and working with a range of data formats including JSON, XML, delimited text, Excel, etc. Familiarity ...

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. ...

Senior Sotware Engieer

Hiring Organisation
Espire Infolabs Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
.Net Core, Azure functions, Azure Functions, Microservice Architecture. Job Description: Proven experience as a .NET Core Developer with expertise in Microsoft Azure. Proficiency in C# and .NET Core for server-side development. Excellent Coding skills and best practices Strong experience of Azure services, including but not limited to Azure ...

IT Development Team Lead (Full Stack)

Hiring Organisation
Euro Car Parks
Location
North West 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 ...

Principal Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 ...

Full Stack Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
full stack web application using modern Microsoft and Open-source technology Profile Full stack web development using Microsoft and open-source technologies Backend C# development Frontend Angular/JavaScript/TypeScript Dev Extreme UI Components PostgreSQL or SQL Server databases Experience with modern software development practices including Agile, Scrum ...

Software Engineer

Hiring Organisation
SGI
Location
London Area, United Kingdom
hybrid cloud environment, utilizing cloud services and infrastructure to maximize application performance and scalability across multiple platforms. Required skills 8+ years’ experience in C# .net Experience working with microservices architecture Hands on experience with Docker, Kubernetes and Helm Chart Hands on experience with IaC using Terraform or similar Experience working ...

Senior Software Engineer TypeScript Full Stack

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Senior Developer

Hiring Organisation
Champion Data
Location
London Area, United Kingdom
disseminating knowledge and educating others, to drive innovation and success within the company. About You Extensive industry experience in .Net Framework, .Net Core and C# Strong, hands-on experience designing and operating production systems on AWS Experience building and operating high-availability, data-intensive systems is highly regarded Experience contributing ...

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 ...

AI Developer - Azure, ML, AI Foundry

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500.0 - £700.0 per day + £market rate (Inside IR35)
Machine Learning (ML), and AI Foundry. Hands-on experience with Azure Cognitive Services, Azure OpenAI, and Azure Data Factory. Solid programming skills (Python/C#,/.NET) Experience with Azure DevOps, CI/CD pipelines, and GitHub Actions. Knowledge of containerization (tools ie Docker) and orchestration (ie Kubernetes on Azure ...

React Developer

Hiring Organisation
Lorien
Location
City of London, London, United Kingdom
changing environment. · Strong problem solving skills. · Comfortable dealing with numbers. · Solid academic background in engineering, sciences or economics. Desirable Requirements · Good development experience with C# and the Microsoft.NET stack. · Front office development experience in any of: Interest Rates Products, Repos, FX. · Financial product knowledge in Interest Rates products ...