.net developer Work, Jobs in Twickenham (with Salaries)

Backend Developer
National Gas —East London
- £40,000 a year
- Full-time
- Azure
- In-person
Quick apply
1d
Junior Engineer - .NET Backend (London)
Trainline —London
- Full-time
- Hybrid work
- AWS
14d
C# Developer - Redis
Talan —London
- Full-time
- Hybrid work
- Software development
- Communication skills
- SDLC
Quick apply
Engineer - .NET Backend (London)
Trainline —London
- £55,000 - £70,000 a year
- Full-time
- Hybrid work
- AWS
- Mentoring
- Software development
C#/.NET developer
Synapri —South East London
- Up to £75,000 a year
- Azure
- SQL
- Mentoring
Junior Software engineer
vServices —London
- Computer Science
- Bachelor's degree
- Agile
Junior Front-end Developer Role
Syrox Emedia —Kingston upon Thames
- Communication skills
Junior Web Developer (C# / Blazor)
Simpson Spence Young —London
- Microsoft Excel
- Azure
- Java
Software Development Engineer III (.NET/Java)
Tesco UK —London
- Full-time
- Databases
- Mentoring
- Agile
- Employee assistance programme
12h
Software Engineer
Sportradar —London
- Full-time
- AI
- Work from home
Quick apply
13d
Junior C# Full Stack Developer
Palantir —London
- Communication skills
Quick apply
Senior .NET Software Developer- Various locations across the UK
FDM Group —London
- Hybrid work
- Azure
- Mentoring
- Annual leave
Associate Software Engineer
Mimecast —London
- £40,000 - £57,000 a year
- Full-time
- Hybrid work
- Java
- Agile
- AI
8d
Senior Backend Engineer - Developer Experience
Trainline —London
- £85,000 - £95,000 a year
- Full-time
- Hybrid work
- AWS
- AI
- Communication skills
C# Software Developer
Kapaix —London
- Full-time
- Computer Science
- Software troubleshooting
- Writing skills
Full Stack / Data Engineer
LineTen —London
- Remote
- Azure
- AI
1d
Front-end Developer Role
Syrox Emedia —Kingston upon Thames
- Communication skills
.NET Software Developer- Various locations across the UK
FDM Group —London
- Hybrid work
- Azure
- APIs
- Communication skills
- Annual leave
Software Engineer (Associate) - GMIT Trade Processing
Nomura —London
- DevOps
- Java
- JavaScript
Data & Integration Developer
Wimbledon - AELTC —Wimbledon
- Azure
- Agile
- AI
- Annual leave
- Employee assistance programme
2d

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Backend Developer

National Gas
East London

Quick apply

Job details

Permanent | Full-time
£40,000 a year
1 day 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

Refine Your Search

.net developer jobs in twickenham

Backend Developer

Junior Engineer - .NET Backend (London)

C# Developer - Redis

Engineer - .NET Backend (London)

C#/.NET developer

Junior Software engineer

Junior Front-end Developer Role

Junior Web Developer (C# / Blazor)

Software Development Engineer III (.NET/Java)

Software Engineer

Junior C# Full Stack Developer

Senior .NET Software Developer- Various locations across the UK

Associate Software Engineer

Senior Backend Engineer - Developer Experience

C# Software Developer

Full Stack / Data Engineer

Front-end Developer Role

.NET Software Developer- Various locations across the UK

Software Engineer (Associate) - GMIT Trade Processing

Data & Integration Developer

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