1 to 25 of 355 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 ...

Full Stack Engineer

Hiring Organisation
The Opportunity Hub UK
Location
London Area, United Kingdom
Next.js, or Vue for building responsive front-end experiences Strong back-end capabilities with Node.js and Express, plus experience in at least one of C#, Java, or Python for diverse system requirements Demonstrated experience designing scalable RESTful APIs, microservices architectures, and both SQL and NoSQL database solutions Solid understanding ...

Full Stack Engineer

Hiring Organisation
The Opportunity Hub UK
Location
City of London, London, United Kingdom
Next.js, or Vue for building responsive front-end experiences Strong back-end capabilities with Node.js and Express, plus experience in at least one of C#, Java, or Python for diverse system requirements Demonstrated experience designing scalable RESTful APIs, microservices architectures, and both SQL and NoSQL database solutions Solid understanding ...

Senior 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 ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
South 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 ...

Java Full Stack Engineer (Consultant / Senior Consultant)

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
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 ...

Microsoft Power Platform/D365 Developer

Hiring Organisation
Version 1
Location
Greater London, England, United Kingdom
. Experience integrating Power Apps solutions with APIs or third-party solutions Knowledge of Azure PaaS, APIs, and integration services. Development experience (.NET, C#, TypeScript). Company Description Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that ...

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 ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
South 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 ...

Data Reporting engineer Python/.Net UK/Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350.00 - £400.00 per hour
contract Fullstack Data reporting engineer and Python software developer. Fullstack Data reporting engineer (Python/.Net) - Contract: Required Skillset: 5+ years Software engineering experience C# Full Stack .NET development SQL Server & SQL Server Reporting Services Python for data engineering and Power BI Strong SQL knowledge Git/GitHub React/ ...

Senior Power Platform Developer

Hiring Organisation
Version 1
Location
Greater London, England, United Kingdom
solutions would be a plus. Experience integrating Power Apps solutions with APIs or third-party solutions. Development experience using Microsoft stack (.NET/C#/TypeScript/SQL Server). Experience with Azure DevOps (or similar tools) for CI/CD and backlog/progress tracking. Experience with Microsoft Azure ...

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 ...

Graduate C#.Net Developer x 2

Hiring Organisation
Jump IT Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £40,000 per annum
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 ...

Senior Full Stack Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
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 ...

Senior .Net Developer

Hiring Organisation
Morris Sinclair Recruitment
Location
REMOTE, St James's Square, Greater London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum
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 ...

Full Stack Typescript Engineer

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
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 ...

Full-Stack Developer - Inside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£250 - £350 per day
pair programming, peer reviews, and continuous improvement practices. Contribute to good engineering culture through documentation, clean code, and technical transparency. Required Technical Skills C# Full Stack .NET developer with strong experience in: SQL Server SQL Server Reporting Services (SSRS) ASP.NET web framework Team Foundation Server (TFS) Expertise in reading, interpreting ...

Full-Stack Developer - Inside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£250 - £350/day
pair programming, peer reviews, and continuous improvement practices. Contribute to good engineering culture through documentation, clean code, and technical transparency. Required Technical Skills C# Full Stack .NET developer with strong experience in: SQL Server SQL Server Reporting Services (SSRS) ASP.NET web framework Team Foundation Server (TFS) Expertise in reading, interpreting ...

Full Stack Engineer

Hiring Organisation
83zero
Location
London Area, United Kingdom
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 ...

Full Stack Engineer

Hiring Organisation
83zero
Location
City of London, London, United Kingdom
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 ...

Java Full Stack Engineer (DV Cleared)

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£55,000
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 ...

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 ...

Senior Full Stack Developer / Full Stack Developer - Insurance

Hiring Organisation
Ping Insure
Location
London, UK
Employment Type
Full-time
Stack Developer, with at least 2 years at Senior level. Strong back-end experience with one or more of: Node.js/TypeScript .NET/C# PHP/Laravel Strong front-end experience with: React, Vue, or Angular Modern JavaScript/TypeScript API-first development (REST/JSON). Strong database ...

Senior Full Stack Developer / Full Stack Developer - Insurance

Hiring Organisation
Ping Insure
Location
South London, UK
Employment Type
Full-time
Stack Developer, with at least 2 years at Senior level. Strong back-end experience with one or more of: Node.js/TypeScript .NET/C# PHP/Laravel Strong front-end experience with: React, Vue, or Angular Modern JavaScript/TypeScript API-first development (REST/JSON). Strong database ...

Solutions Engineer

Hiring Organisation
Anson McCade
Location
London Area, United Kingdom
Required Experience & Skills 5+ years of cloud-native development experience, preferably Azure (AWS a plus). 5+ years of software engineering experience, mainly in C# and/or Python. Strong knowledge of cloud services (Azure App Services, Functions, AI Services). Proficiency in REST APIs, microservices, and event-driven architectures. ...