Telecom Sector | Senior .NET Developer

Lisboa, Lisboa, pt on site Until 8/21/2026 First posted March 20, 2026 Last posted March 20, 2026
Job description

At Devoteam, we believe that technology with strong human values can actively drive change for the better. Discover how Tech for People unlocks the future, creating a positive impact on the people and the world around us. We are a global leading player in Digital Transformation for leading organisations across EMEA, with a revenue of €1B. We believe in transforming technology to create value for our clients, partners and employees in a world where technology is developed for people. We are proud of the culture we have built together. We are proud of our people at the service of technology. We are proud of our diverse environment. Because we are #TechforPeople. Join our multidisciplinary team of Cloud experts, Designers, Business consultants, Security experts, Engineers, Developers and other extraordinary talents, spread across more than 20 EMEA countries. Become one of our +10.000 tech and business leaders on cloud, data and cyber security. Let’s fuse creativity with technology together and build innovative solutions that actively change things for the better.

  • Enhance and maintain the SFA Portal, implementing system improvements and new features
  • Requirement analysis and solution design
  • Implement improvements and bug fixes
  • Conduct software testing and ensure quality
  • Assess impacts on the existing framework
  • Contribute as a Senior Developer in design and code reviews
  • 5+ years of professional experience
  • Strong experience with .NET and VB
  • Solid knowledge of ASP.NET, C#, VB, HTML/CSS/JavaScript
  • Experience with .NET Framework, MS IIS, Windows Server, MS SQL Server
  • Familiarity with SOAP web services and CA Harvest
  • Strong problem-solving skills and attention to detail

The Devoteam Group works for equal opportunities, promoting its employees based on merit and actively fights against all forms of discrimination. We are convinced that diversity contributes to the creativity, dynamism and excellence of our organization. All of our vacancies are open to people with disabilities.

About this role

Summary

Enhance and maintain the SFA Portal, implement system improvements, and conduct testing.

Job title

Senior .NET Developer

Experience level

5+ years

Industry

software

Location requirements

Lisboa, Portugal, no remote work

Salary

Not specified

Management role

No

Skills & keywords

Required skills

.NETVBASP.NETC#HTMLCSSJavaScriptMS SQL ServerSOAP web services

Preferred skills

None specified

Specializations

.NETC#ASP.NETVBSQL
Locations

Structured locations inferred from the posting.

Lisbon, Portugal

On-site City