Software Developer

Leyland
3 weeks ago
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Web Portal & API Developer /Software Developer

This opportunity is brand new, due to business growth and with a globally recognised leader in their sector.

Based in Leyland this role will see you develop your career within quite a unique sector.

Role Competencies

Excellent debugging and analytical problem‑solving skills
Ability to understand complex, multi‑service interaction flows
Secure coding mindset and API‑first approach
Strong team collaboration and clear technical communication
Ability to write professional, structured technical documentationRequired Technical Skills:

C# (Strong proficiency)
ASP.NET MVC or .NET Core Web API
MVC concepts: Routing, Controllers, Filters, Middleware, Model Binding, DI
Entity Framework Core:
DbContext, DbSet, OnModelCreating, LINQ
ADO.NET / Raw SQL execution experience (e.g., SqlCommand, Stored Procedures)
MS SQL Server, MySQL database experience
HTML5, CSS3, JavaScript
API & Integration:
REST API expertise (HTTP verbs, status codes, response handling)
Experience consuming APIs using HttpClient, RestSharp or equivalent
JSON serialization/deserialization (System.Text.Json / Newtonsoft.Json)
CORS, HTTPS, API Security best practices
Version Control & Deployment
Git (Branching, Pull Requests, Conflict Resolution)
CI/CD experience (Azure DevOps, GitLab CI) (preferred)
Hosting experience with IIS or Kestrel
Docker basics (preferred but not mandatory)

Preferred Skills

Fintech or payment API integration experience
Cloud hosting basics (Azure, AWS)
Experience with Webhooks or event-driven APIs
Familiarity with structured logging (Splunk, ELK, Application Insights)
API performance optimisation & rate-limiting handling

Key Responsibilities

Develop and maintain web portals using ASP.NET MVC / .NET Core
Design, build, and integrate REST APIs with internal and third‑party systems
Implement secure authentication mechanisms (JWT, OAuth2, API Keys)
Integrate applications with relational databases using EF Core (DbContext, LINQ, Migrations)
Debug end‑to‑end request flows
(UI → Controller → API → Database → Response)
Maintain and publish API documentation using Swagger/OpenAPI
Ensure API security, reliability, and performance including:
Proper error handling
Retry logic
Logging
Timeouts
CORS configuration
Collaborate with database, infrastructure, and QA teams throughout release cycles
Participate in code reviews and follow Git best practices
Contribute to CI/CD workflows and deployment processes

Education & Experience

Bachelor's degree in Computer Science, Software Engineering, or related field
2+ years web portal development and API integration
(3+ years preferred)

Adecco acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers. The Adecco Group UK & Ireland is an Equal Opportunities Employer.

By applying for this role your details will be submitted to Adecco. Our Candidate Privacy Information Statement explaining how we will use your information is available on our website

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