Checkmarx is the global leader in Application Security Testing, helping the world's largest enterprises find and fix code vulnerabilities before they become incidents. Our cloud-native platform, Checkmarx One, scans over a trillion lines of code per year and integrates natively into development workflows. With offices in more than 20 countries, including Braga, we are recognized as a Leader in the 2026 Gartner® Magic Quadrant™ for Software Supply Chain Security.
RequirementsDay to day, you'll learn to analyse source code for vulnerabilities, apply security protocols, and contribute to technical reports that inform our clients' decisions. Along the way, you'll absorb modern development methodologies from Agile to Waterfall, and play an active part in a global team.
You will:
Analyse source code and identify security vulnerabilities in Web and mobile applications
Produce clear security reports that document analysis findings and communicate them to stakeholders
Tailor and configure Checkmarx products to meet specific customer requirements
Learn software security best practices and project management methodologies (Agile, Waterfall)
Integrate into an international team, building communication and professional relationship skills
We don't expect you to arrive as a security expert, that's what we're here to teach. What we look for is a solid technical foundation, genuine curiosity about Web and mobile applications, and the willingness to think critically about the code you write.
What we have to offerThis internship is structured around your growth, not just our needs. Throughout the programme, you'll build a set of technical and professional skills that will position you as a developer who thinks critically about security.
Skills Required
- Solid technical foundation
- Genuine curiosity about web and mobile applications
- Willingness to think critically about code
- Ability to integrate into an international team and develop communication skills
What We Do
Checkmarx is the leader in application security and ensures that enterprises worldwide can secure their application development from code to cloud. Our consolidated platform and services address the needs of enterprises by improving security and reducing TCO, while simultaneously building trust between AppSec, developers, and CISOs. At Checkmarx, we believe it’s not just about finding risk, but remediating it across the entire application footprint and software supply chain with one seamless process for all relevant stakeholders. We are honored to serve more than 1,800 customers, which includes 40 percent of all Fortune 100 companies including Siemens, Airbus, Salesforce, Stellantis, Adidas, Walmart and Sanofi. Securing the applications driving our world.








