Job Description
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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 documentation
Required 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:
o DbContext, DbSet, OnModelCreating, LINQ
o ADO.NET / Raw SQL execution experience (e.g., SqlCommand, Stored Procedures)
o MS SQL Server, MySQL database experience
* HTML5, CSS3, JavaScript
* API & Integration:
o REST API expertise ( verbs, status codes, response handling)
o Experience consuming APIs using RestSharp or equivalent
o JSON serialization/deserialization (System.Text.Json / Newtonsoft.Json)
o CORS, API Security best practices
* Version Control & Deployment
o Git (Branching, Pull Requests, Conflict Resolution)
o CI/CD experience (Azure DevOps, GitLab CI) (preferred)
o Hosting experience with IIS or Kestrel
o 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:
o Proper error handling
o Retry logic
o Logging
o Timeouts
o 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.
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