.NET Developer

Oscar; Hull and East Yorkshire; Remote; GBP 49,000 - 89,000; Full time

Benefits offered by this job

Fully remote work

25 days holiday

Company pension

Learning & development

Job summary

Oscar seeks an experienced .NET Developer to design and maintain applications using C# and ASP.NET. Work on REST APIs, microservices, and SQL Server databases within an agile team. Flexible working from Hull or fully remote across the UK.

You'll join a technology-led organisation modernising its software platform, with opportunities to influence architecture, benefit from ongoing learning, and a supportive engineering culture.

Qualifications

• 3+ years commercial experience with C#
• Strong experience with ASP.NET, .NET Framework and .NET Core
• Experience with SQL Server and database design
• Experience designing REST APIs and microservices
• Experience with JavaScript, TypeScript, HTML5 and CSS3
• Experience working in Agile/Scrum teams
• Azure experience (desirable)
• Blazor experience (desirable)
• Entity Framework or EF Core experience (desirable)
• Experience with AI or machine learning integrations (desirable)
• Docker and containerisation experience (desirable)
• Experience with CI/CD pipelines and DevOps (desirable)
• Git version control experience (desirable)

Responsibilities

• Develop and maintain applications using C# and ASP.NET
• Build scalable solutions using .NET Framework and .NET Core
• Design and develop RESTful APIs and microservices
• Work with SQL Server databases, writing efficient queries and optimising performance
• Collaborate with developers, testers and stakeholders in an Agile environment
• Participate in code reviews and contribute to technical best practice
• Support continuous improvement of existing applications and development processes
• Contribute throughout the software development lifecycle, including technical discussions, system performance improvements and future architecture planning

Skills

3+ years experience

REST APIs

Agile/Scrum

Tools

ASP.NET

.NET Framework

.NET Core

SQL Server

Azure (desirable)

Blazor (desirable)

EF Core (desirable)

Docker (desirable)

CI/CD (desirable)

DevOps (desirable)

Git (desirable)

JavaScript

TypeScript

HTML5

CSS3

Job description

Salary: £49,000 - 89,000 per year

Requirements:

• 3+ years commercial experience with C#
• Strong experience with ASP.NET, .NET Framework and .NET Core
• Experience with SQL Server and database design
• Experience designing REST APIs and microservices
• Experience with JavaScript, TypeScript, HTML5 and CSS3
• Experience working in Agile/Scrum teams
• Azure experience (desirable)
• Blazor experience (desirable)
• Entity Framework or EF Core experience (desirable)
• Experience with AI or machine learning integrations (desirable)
• Docker and containerisation experience (desirable)
• Experience with CI/CD pipelines and DevOps (desirable)
• Git version control experience (desirable)

Responsibilities:

• Develop and maintain applications using C# and ASP.NET
• Build scalable solutions using .NET Framework and .NET Core
• Design and develop RESTful APIs and microservices
• Work with SQL Server databases, writing efficient queries and optimising performance
• Collaborate with developers, testers and stakeholders in an Agile environment
• Participate in code reviews and contribute to technical best practiceSupport continuous improvement of existing applications and development processes
• Contribute throughout the software development lifecycle, including technical discussions, system performance improvements and future architecture planning

Technologies:

• .NET Framework
• AI
• ASP.NET
• Azure
• Blazor
• C#
• CI/CD
• DevOps
• Docker
• Git
• HTML5
• Support
• JavaScript
• Machine Learning
• REST
• SQL
• TypeScript
• microservices
• Cloud

More:

We are an established, technology-led organisation developing secure, business-critical software solutions for major organisations across a range of industries. With significant investment in our technology function, we are modernising our software platform and expanding our engineering team. This role offers flexible working from Hull or remotely within the UK, with a salary of £40,000–£50,000 depending on experience. We offer fully remote working, 25 days holiday plus bank holidays, a company pension, ongoing learning and professional development, and the opportunity to influence technical decisions and architecture within a supportive, collaborative engineering culture.

last updated 40 week of 2026