Web developer asp.net Work, Jobs in London, Eng (with Salaries)

Backend Developer
National Gas —East London
- £40,000 a year
- Full-time
- Azure
- In-person
Quick apply
6h
.NET Software Developer- Various locations across the UK
FDM Group —London
- Hybrid work
- Azure
- APIs
- Communication skills
- Annual leave
Senior .NET Software Developer- Various locations across the UK
FDM Group —London
- Hybrid work
- Azure
- Mentoring
- Annual leave
Senior Web Analytics Engineer
The Fidelis Partnership —London
- Overtime
- Computer Science
- Maths
- Bachelor's degree
5d
Senior Developer
Universal Music Group —London
- Full-time
- Azure
- DevOps
- SQL
- Annual leave
- Employee discount
Lead Software Engineer
KPMG —London
- Full-time
- Databases
- Mentoring
- AI
Senior Solution Architect
Veracode —London
- Remote
- Travel
- SDLC
Quick apply
13d
Software Support Specialist
LegalRM —Orpington
- £32,000 - £40,000 a year
- Full-time
- Hybrid work
- Azure
- English
- SQL
- Flexitime
- Work from home
Quick apply
Senior Engineer
NewDay —London
- Full-time
- Databases
- Software development
- APIs

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Senior .NET Software Developer- Various locations across the UK
FDM Group —London
Mentor developers, support technical investigations and collaborate with architects, product owners and business stakeholders to deliver high-quality solutions.
.NET Software Developer- Various locations across the UK
FDM Group —London
Collaborate with product owners, architects, business analysts and wider technology teams while mentoring junior developers and contributing to code reviews.

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Backend Developer

National Gas
East London

Quick apply

Job details

Permanent | Full-time
£40,000 a year
6 hours ago

Benefits

Company pension

Qualifications

Authentication
Website maintenance
Performance tuning
ASP.NET
Website management
Azure
ASP.NET Core
IIS
Microsoft SQL Server
Software development operations experience
Docker
CI/CD pipelines
Cloud development
Continuous integration
Back-end development
REST
GitHub
Microsoft Azure
Entity Framework

Full job description

We are looking for a Backend Developer to take ownership of the backend architecture, APIs, and core services that power both our existing web platforms and a new, modern, real-time operational system.

This is a hands-on role focused on developing scalable backend solutions, maintaining and enhancing our existing ASP.NET applications, and building cloud-based services using ASP.NET Core and Microsoft Azure. You will work closely with our developers to deliver modern, API-driven applications while helping to modernise our technology stack and improve the performance, security, and reliability of our systems.

You can find out more about us here: https://nationalgas.org.uk/

WHAT YOU’LL DO

Maintain, enhance, and support existing ASP.NET-based websites hosted on IIS
Build and extend backend services and REST APIs using ASP.NET Core / .NET
Implement real-time features using SignalR.
Support and integrate WebRTC audio-only calling functionality.
Design, optimise, and maintain SQL Server and MariaDB databases.
Build features involving mapping, GPS, geolocation, and geofencing.
Collaborate with product, engineering, and DevOps teams on system architecture.
Write clean, testable, and maintainable code across the full stack.
Contribute to performance, scalability, and security improvements.
Participate in code reviews, technical planning, and system design discussions

REQUIRED SKILLS AND EXPERTISE

Strong experience with ASP.NET Core / .NET
Experience maintaining or building ASP.NET websites
Strong background building RESTful APIs
Solid knowledge of SQL Server or MariaDB
Experience with Entity Framework Core and/or Dapper
Understanding of async programming, concurrency, and performance
Experience implementing authentication and authorisation (JWT, OAuth2)

DevOps & Cloud

Experience with CI/CD pipelines (Azure DevOps, GitHub Actions)
Comfortable using Docker for development and deployment
Exposure to Microsoft Azure (App Services, SignalR Service, Storage)
Familiarity with logging and monitoring tools (Application Insights, Serilog)
Comfortable working with IIS and Windows-based hosting environments

WHAT WE OFFER

Ownership of both existing platforms and new system builds
Opportunity to modernise and shape our long-term tech stack
Engineering-led environment with real technical ownership
Clear career progression and skills development

Pay: £40,000.00 per year

Benefits:

Company pension

Work Location: In person

Quick apply

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web developer asp.net jobs in london, eng

Backend Developer

.NET Software Developer- Various locations across the UK

Senior .NET Software Developer- Various locations across the UK

Senior Web Analytics Engineer

Senior Developer

Lead Software Engineer

Senior Solution Architect

Software Support Specialist

Senior Engineer

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