C# Senior Software Developer

Adria Solutions ltd
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
£ 75K

Job location

Tech stack

JavaScript
ADO.NET
API
Amazon Web Services (AWS)
ASP.NET
HTML5
Azure
C Sharp (Programming Language)
CSS
Code Review
Databases
Continuous Integration
Cross-Origin Resource Sharing (Ajax Programming)
Serialization
Relational Databases
Software Debugging
Dependency Injection
Language Integrated Query
Middleware
Entity Framework
IIS
JSON
Microsoft SQL Server
MySQL
MVC
Routing
OAuth
Performance Tuning
Cloud Services
Swagger
JSON Web Token
SQL Databases
Openapi
Data Logging
.NET Core
GIT
Gitlab-ci
Information Technology
REST
Splunk
Webhooks
Software Version Control
Web Api

Job description

My client is seeking a talented C# Senior Softwar 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., + 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

This role is ideal for developers with strong technical expertise who are looking to grow into leadership or team management responsibilities., + 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

  • Experience with fintech or payments API integration
  • Cloud services (Azure, AWS) hosting basics
  • Webhooks and event-based APIs
  • Structured logging tools (Splunk, ELK, App Insights)
  • Performance optimization and API rate-handling

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