Full stack developer Work, Jobs in Belsize Park (with Salaries)

Backend Developer
National Gas —East London
- £40,000 a year
- Full-time
- Azure
- In-person
Quick apply
9h
Full Stack PHP Developer
Gemex —London
- £30,000 - £40,000 a year
- 8 hour shift
- Hybrid work
- JavaScript
- APIs
Quick apply
5d
Full-Stack Developer
Applied Data Science Partners —London
- Hybrid work
- Analysis skills
- Organisational skills
- Agile
- Annual leave
12d
Full Stack Developer
LEWIS —London
- JavaScript
- HTML
Java Full Stack Developer | Microservices. Kafka | London
Infosys —London
- Azure
- DevOps
- Java
Full-Stack Software Developer
BAFTA —London
- £60,000 a year
- Full-time
- Hybrid work
- Linux
- Communication skills
- Employee assistance programme
Full Stack Developer
Trafalgar House —London
- Full-time
- Hybrid work
- Azure
- AWS
- Continuous improvement
Quick apply
Full Stack Engineer
Plinth —London
- £90,000 - £110,000 a year
- Full-time
- Computer Science
- Restaurant
4d
Full stack Developer
Adroitpeople —London
- JavaScript
- Banking
- HTML
Quick apply
Full-Stack Software Engineer - GDS
Neo4j —London
- Java
- JavaScript
- APIs
Software Engineer, Agent Systems
Normal Computing Corporation —London
- £150,000 - £350,000 a year
- Full-time
- Hybrid work
- APIs
- AI
5d
Frontend Developer
Durlston Partners —London
- £150,000 - £200,000 a year
- System design
- JavaScript
- Python
PHP Developer
vServices —London
- Project management
- Presentation skills
- Bachelor's degree
Solar Web UI Developer
Standard Chartered —London
- English
- Communication skills
- Annual leave
- Employee assistance programme
1d
Member of Technical Staff
OpenClaw Foundation —London
- £200,000 - £300,090 a year
- Full-time
- Machine learning
- Software development
- APIs
Quick apply
Java Full Stack Developer (Camunda) - London, UK
Capgemini Sogeti —London
- Computer Science
- Java
- SQL
Full Stack Developer
Capgemini —London
- Hybrid work
- AWS
- JavaScript
- Mentoring
Full Stack Developer
RGH‑Global Limited —Canary Wharf
- £60,000 - £65,000 a year
- Hybrid work
- AWS
- JavaScript
- HTML
- Annual leave
Java Full stack Developer (ReactJS&AngularJS) - London, UK - Fulltime - Hybrid
Capgemini Sogeti —London
- Hybrid work
- Java
- AWS
- Mentoring
Full-Stack Developer
Sigma Consulting Group —London
- £50,000 a month
- Full-time
- Agile
- AI
Quick apply

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full stack developer jobs near belsize park

Backend Developer

National Gas
East London

Quick apply

Job details

Permanent | Full-time
£40,000 a year
9 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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