Senior .NET Full-Stack Developer – Hybrid Dublin (Contract)

Intellect; Dublin; Hybrid; EUR 129,000 - 185,000; Full time

Job summary

Intellect is seeking a Senior Full Stack .NET Developer for a 12-month contract in Dublin. The role is hybrid with 2 days onsite and 3 days remote, starting availability in October 2026.

You will work on enterprise web apps, APIs, and identity and access management using Microsoft technologies including Entra ID, OpenID Connect/OAuth, and Azure. Ideal candidates have extensive C#/MVC experience, strong SQL Server skills, API development, and rigorous unit testing.

Qualifications

• Degree-level qualification in a relevant discipline or equivalent industry experience/qualifications.
• 15+ years' practical experience in web software development.
• Experience delivering medium- and large-scale software projects.
• Strong hands-on experience writing production code and unit tests.
• Experience with APIs and integrating multiple systems.
• Experience with Microsoft Entra ID in web applications.

Responsibilities

• Provide full-stack development services across existing and new enterprise web applications.
• Develop, maintain and support Microsoft technology-based solutions using .NET, C#, MVC and T-SQL.
• Analyse datasets, SQL queries and reports for accurate outputs.
• Design, develop, test and maintain APIs for secure data exchange.
• Implement and support identity and access management using Microsoft Entra ID.
• Work with OpenID Connect/OAuth and related authentication mechanisms.
• Apply secure development practices to public-facing web applications.
• Produce clean, maintainable, well-tested code with OO design and patterns.
• Write and maintain unit tests; contribute across the full SDLC.
• Collaborate with testing, support, business requirements and internal teams.
• Produce technical documentation and knowledge-transfer materials.

Skills

C#

MVC

JavaScript

HTML

SQL

Web APIs

Azure

OpenID Connect

OAuth

Unit Testing

Education

Degree-level qualification

Tools

SQL Server

MSSQL

T-SQL

Job description

Intellect is seeking a Senior Full Stack .NET Developer for a 12-month contract in Dublin. The role is hybrid with 2 days onsite and 3 days remote, starting availability in October 2026.

You will work on enterprise web apps, APIs, and identity and access management using Microsoft technologies including Entra ID, OpenID Connect/OAuth, and Azure. Ideal candidates have extensive C#/MVC experience, strong SQL Server skills, API development, and rigorous unit testing.