1 to 25 of 191 C# Jobs in London

Senior Full Stack Developer (React & C#.NET)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential - More to React JS and Java script Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity with ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 Daily
Support CI/CD pipelines and automated deployment processes Ensure solutions meet security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£550/day
Support CI/CD pipelines and automated deployment processes Ensure solutions meet security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft ...

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/ ...

Java Full Stack Engineer - Consultant - Digital Excellence

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
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 WHAT ...

Full Stack Developer (.NET)

Hiring Organisation
DGH Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
business - Contribute to continuous improvement and knowledge sharing within the team Required Skills & Experience - Strong experience building enterprise and web-based applications - Proficiency in C#, .NET/ASP.NET - Front-end skills including HTML5, CSS3, JavaScript - Experience with REST APIs, JSON - Familiarity with Git and modern development tools (e.g. Visual Studio ...

Backend Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
experience building and operating backend applications in production environments. Proficiency in at least two or morebackend programming languages such as: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust Experience designing and consuming RESTful and/or GraphQL APIs. Strong understanding of SQL and database design principles. Experience with ...

Application Engineer (Legal)

Hiring Organisation
Picture More
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £90,000 per annum
APIs and systems integration SQL Server, data flows, ETL, reporting or database development Power Platform, Power Apps, Power Automate, Power BI or Microsoft Fabric C#/.NET application development Good understanding of application architecture, troubleshooting, data movement and integration points. Experience working with stakeholders, users, vendors and technical teams. Comfortable ...

Senior Full Stack Software Developer

Hiring Organisation
Corpay
Location
Central London, London, United Kingdom
Employment Type
Permanent
system. Qualifications and Experience Education: B.S. in Computer Science, Engineering, or equivalent experience. Experience: 8+ years of professional software engineering experience. Required Experience: C# and .NET development across web and/or desktop applications. JavaScript or TypeScript. SQL Server, relational database design, stored procedures, and T-SQL. HTTP APIs ...

.NET Developer (.NET / Blazor)- TOP COMPANY!!

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
development projects and the ongoing evolution of existing systems. Essential Requirements Commercial Blazor experience is a must (Server and/or WebAssembly) Strong C# and .NET development experience Entity Framework SQL Server, T-SQL, Stored Procedures, and Database Design Experience building modern, user-friendly web applications Azure DevOps (Repos, Pipelines ...

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
modern front-end technologies Proficiency in TypeScript, JavaScript, React, HTML5, CSS3 Experience integrating systems using REST APIs and Microsoft Graph Solid background in C#, .NET, and SQL Server Strong understanding of SharePoint governance, security, and authentication models Excellent troubleshooting, analytical, and communication skills Desirable Experience Large-scale intranet design ...

Back-End Development Lead

Hiring Organisation
Oyster Consultant
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
talk about tech and ways of working. We work democratically to evolve our stack and make constant improvements. Required Skills/Experience Strong C# development experience Experience with both .NET Core and .NET Web API Experience of building Microservices in .Net Core Experience using Message Based Architectures Experience using both ...

Automation Test Lead

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
reality. We have built an inclusive and welcoming environment, for everyone. Your skills and experience Proficiency in at least one OOP language (Java, Python, C#). Hands-on experience with functional and automation testing across web, API, and mobile platforms. Familiarity with test management tools (Jira, TFS, ALM). Experience ...

Principal Artificial Intelligence (AI) Platform Engineer/Architect

Hiring Organisation
WTW
Location
Greater London, United Kingdom
Employment Type
Full Time
model and tooling landscape Azure/Microsoft ecosystem experience advantageous but not mandated Technical Skills Proficiency in a range of languages, including Python, C#, JavaScript, or TypeScript Experience with modern development practices (CI/CD, testing frameworks, containerization) Extensive experience with cloud infrastructure (AWS, Azure, or GCP) and managed services ...

Systems Architect

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £130,000 per annum
managers, and senior stakeholders. Key Skills: Enterprise & Solution Architecture AWS/Cloud-Native Platforms Microservices & APIs DevOps, CI/CD & Infrastructure as Code Java, C#, TypeScript, JavaScript, or C++ Financial Services, Capital Markets, Trading Platforms, or Front Office systems experience Desirable: Kubernetes, Docker, and modern distributed architectures You'll play ...

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 ...

Applications Developer

Hiring Organisation
DGH Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
support and occasional out-of-hours maintenance where required Key Requirements - Degree in Computer Science, Information Systems, or related field - Strong experience with .NET, C#, Web APIs, and SQL Server - Proven experience building modern web applications (ASP.NET MVC/.NET Core) - Strong front-end development experience (React, Angular, etc.) - Experience ...

Software Architect

Hiring Organisation
X4 Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
Experience Proven experience as a Hands-On Software Architect or Technical Architect within medium-to-large-scale enterprise environments. Strong software engineering background with C# and .NET Core. Experience designing and implementing microservices architectures. Strong understanding of Domain-Driven Design (DDD). Expertise in API design, security, governance ...

Application Solution Architect

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
architectures. Demonstrable experience defining application modernisation strategies and migration roadmaps. Experience working across the full software development lifecycle. Microsoft Technology Expertise Strong background in: C# .NET Framework .NET Core/.NET ASP.NET SQL Server REST APIs Experience transitioning traditional Microsoft applications to modern architectures. Front-End Experience Strong understanding ...

Software Architect

Hiring Organisation
RX Global
Location
Greater London, United Kingdom
Employment Type
Full Time
patterns (e.g., microservices, event-driven), with experience in system design and modelling (e.g., UML, C4) Proficient in one or more languages such as C#, Python, or JavaScript/TypeScript Hands-on experience with AWS (and/or Azure, GCP), focusing on scalability, resilience, and cost efficiency Familiar with DevOps ...

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 ...

Senior Java Developer - London - Fintech

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
ensure high-quality outcomes NICE TO HAVE: Exposure to low latency/high performance systems Exposure to additional languages (C, C++, Go, Rust, C#) Experience developing Front Office financial systems Experience in delivering OMS/EMS/Exchange systems Exposure to equities trading and brokerages Experience with build tools ...

Software Engineer - DV Cleared

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
pipelines, implementing Infrastructure-as-Code, and embedding security principles into development from day one. Key Requirements Strong software development background (e.g. Java, Python, C#, etc.) Experience with CI/CD (Jenkins, GitLab), cloud (AWS/Azure/GCP), containers (Kubernetes/Docker), or IaC (Terraform/Ansible) Comfortable working ...

SC Cleared Integration Developer

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
APIM, Azure Functions, Azure Web Apps/App Services Azure Service Bus/Event Grid REST APIs and SOAP services OAuth2/OpenID Connect C#/.NET preferred, Node.js or Python JSON/XML transformation Azure DevOps, Git, Terraform/Bicep/ARM Microservices and cloud-native architectures ...

.Net Back End Developer- Remote

Hiring Organisation
Exposed Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
track) over the next 12 to 18 months for the right person, but this is not a management role today. Must-haves Strong commercial C# and modern .NET (8+) Blazor in production Microservices design and operation Azure (App Service or Container Apps, Azure SQL, Service Bus, Key Vault) Terraform ...