C# Senior Software Developer

Adria Solutions ltd

Penwortham, UK

about 2 months ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Compensation

£50,000.0 - £75,000.0

Working hours

Regular working hours

Job source

find.jobs

Tech stack

JavaScript (Programming Language) ADO.NET Application Programming Interfaces (APIs) Amazon Web Services ASP.NET MVC Framework HTML5 Microsoft Azure C Sharp (Programming Language) Cascading Style Sheets (CSS) Code Review Databases Continuous Integration

+35 more

Cross-Origin Resource Sharing (Ajax Programming) Serialization Relational Databases Software Debugging Dependency Injection Language Integrated Query Middleware Entity Framework Internet Information Services (IIS) Web Portals JSON Microsoft SQL Server MySQL Model View Controller (MVC) Routing OAuth Performance Tuning Cloud Services Swagger JSON Web Token SQL Databases Openapi Data Logging .NET Core Delivery Pipeline Software Security Git Gitlab-ci Api Design Restful APIs Splunk Webhooks Software Version Control Docker Web Api

Job description

My client is seeking a talented C# Senior Software Developer to join their Preston-based team. This role offers an exciting opportunity to lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will be a key contributor to web portal and API development, ensuring performance, security, and reliability in a dynamic environment.

This role is ideal for developers with strong technical expertise who are looking to grow into leadership or team management responsibilities., * Develop and maintain web portals using ASP.NET MVC / .NET Core

Design and integrate REST APIs with internal and third-party services
Implement secure authentication mechanisms (JWT, OAuth2, API Keys)
Connect applications to relational databases using Entity Framework Core (DbContext, LINQ, Migrations)
Debug and trace request flows from UI Controller API Database Response
Maintain and publish API documentation via Swagger / OpenAPI
Ensure API security, reliability, and performance (error handling, retry logic, logging, timeouts, CORS)
Collaborate with database, infrastructure, and QA teams for portal and API releases
Participate in code reviews, version control, and CI/CD deployment workflows

Requirements

C# (strong proficiency)
ASP.NET MVC or .NET Core Web API
MVC concepts: Routing, Controllers, Filters, Middleware, Model Binding, Dependency Injection
Entity Framework Core (DbContext, DbSet, OnModelCreating, LINQ) and ADO.NET/Raw SQL experience
MS SQL Server or MySQL database experience
HTML5, CSS3, JavaScript
REST API expertise and integration (HttpClient, RestSharp, JSON serialization/deserialization, CORS, HTTPS, API security)
Git version control and CI/CD workflows (Azure DevOps, GitLab CI preferred)
Hosting experience with IIS or Kestrel
Docker basics (preferred but not mandatory)

Preferred/Bonus Skills