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IRIUM Portugal

Senior .Net Full Stack Developer

EU

September 5, 2026 at 1:57 PM

✨ AI summary

Location

  • Lisbon, Portugal

Languages

  • C#
  • JavaScript

Frameworks

  • ASP.NET Core
  • ASP.NET Framework
  • MVC
  • React
  • Angular

Cloud Services

  • Azure DevOps

Databases

  • SQL Server
  • Entity Framework

Experience Level

  • 5–8 years professional experience
  • Senior level
At IRIUM we want you to always chase your dreams. Here, prepare yourself to conquer your goals, while enjoying the journey.

We Are Currently Looking For

Senior .NET Full Stack Developer

Requirements

We are currently looking for a

Senior .NET Full Stack Developer

to join a challenging international project, contributing to the design, development, and support of scalable and secure enterprise applications in an Agile and DevOps environment.

Required Competencies

Degree in Computer Science, Software Engineering, Information Technology, Engineering, or a related technical field

5 to 8 years of professional experience as a .NET Full Stack Developer

Strong experience with .NET Core, .NET Framework, MVC, and C#

Solid frontend experience with React, Angular, and JavaScript

Ability to work with legacy technologies when required

Strong knowledge of SQL and SQL Server

Experience with ORM technologies, particularly Entity Framework

Experience designing, developing, and integrating RESTful APIs

Experience with authentication mechanisms and core application security principles

Hands-on experience with CI/CD pipelines and DevOps practices

Experience with Azure DevOps, Jenkins, and Git

Strong experience with unit and integration testing

Experience supporting live business applications and production environments

Experience with release management, incident management, troubleshooting, and problem resolution

Experience Gathering And Analysing Business And Technical Requirements

Experience producing and maintaining technical documentation

Good knowledge of Agile methodologies

English proficiency – minimum B2

Preferred Competencies

Dutch and/or French

Experience working with distributed and international teams

Knowledge of ServiceNow, Jira, and Target Process

Experience with Visual Studio

Familiarity with MS Office, SharePoint, and Confluence

Experience defining or maintaining development standards, guidelines, naming conventions, templates, and reference implementations

Soft Skills

Strong team player with excellent collaboration skills

Proactive mindset with strong ownership and accountability

Strong analytical and problem-solving skills

Ability to make technical decisions and effectively prioritize activities

Clear and effective communication

Ability to work effectively in dynamic and fast-paced environments

Strong organizational skills and structured approach to problem resolution

Continuous improvement mindset

Location:

Lisbon – Hybrid

Gross salary range

  • € a ***** €

monthly

Note: Includes all components: Fixed, Variable, Meal Allowance, Remote Work, and Benefits.

What do we offer?

➡ An innovative and growing company, with a lot of opportunities for professional development.

➡ Retribution according to your experience and performance. Access to flexible pay and medical insurance as a social benefit.

➡ Unlimited access to technological training in free mode.

IRIUM is a company with dynamic and proactive professionals. Our values are responsibility and commitment to work quality. This is the spirit we are looking for at IRIUM, whatever your age is. If you recognize yourself in this, this is your company!

We can build the future together. Let's talk!

Send Your CV To

At IRIUM we defend a world without stereotypes or limitations and we believe in equality for all, principles that we subscribe to in our Equality Plan and Code of Ethics, guaranteeing equal treatment and opportunities regardless of any personal, physical or social condition.