.NET Full Stack Developer at IRIUM Portugal

Language

Compensation

€1,800 – €2,000/mo

Setup: Hybrid
Location: Lisbon
Type: Full-time
Level: senior
Posted: Sep 17, 2026

Description

IRIUM is hiring a .NET Full Stack Developer to design and develop RESTful APIs, backend solutions, frontend components, database procedures, secure scalable APIs, and background services. The role requires at least six years of professional experience, knowledge of .NET, HTML, JavaScript, CSS, jQuery, Oracle PL/SQL, and SQL Server, and is based in Lisbon and/or Tomar with a hybrid work arrangement requiring office presence once per week. The stated salary is €1,800–€2,000 gross per month, including fixed and variable compensation, meal allowance, remote work, and benefits.

Required Skills

.NET
REST APIs
HTML
JavaScript
CSS
jQuery
PL/SQL
SQL Server
API architecture
Background services
CI/CD

Additional Information

Required Previous Experiences: At least 6 years of professional experience
Experience designing and developing RESTful APIs and backend solutions using .NET, including legacy .NET 4.6.2 and migration to .NET 8/10
Experience developing frontend components using HTML, JavaScript, CSS, and jQuery
Experience developing and optimizing database procedures using Oracle PL/SQL and SQL Server
Experience defining API architecture, integration patterns, and non-functional requirements including performance, scalability, and security
Experience designing and implementing secure and scalable APIs and background services
Preferred Qualifications: Knowledge of Razor and Knockout
Experience with Vue.js, Angular, or React
Experience developing backend services using WCF and SOAP-based services
Experience with deployment processes, release management, and CI/CD pipelines
Knowledge of cloud-native and containerized environments, including OpenShift
Experience with Bootstrap and MVC frameworks
Previous experience in the banking sector