Senior Software Engineer

Braga · On-site

About this role

Who are we? 

Checkmarx is the leader in application security, ensuring 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, including 40 percent of all Fortune 100 companies, such as Siemens, Airbus, Salesforce, Stellantis, Adidas, Walmart, and Sanofi. 

We're looking for a Senior Software Engineer to join one of our R&D teams building cloud-native, event-driven microservices at scale. The team combines solid backend engineering with applied AI, using LLMs and agent-based pipelines to automate and improve core parts of our product. The specific product area may evolve with our roadmap, but the core of the job stays constant: Go, cloud-native architecture, and AI-driven features.

 What you'll do:

- Design, build, and operate distributed microservices (message queues, gRPC/REST APIs, relational databases)

  • Contribute to AI-driven features and pipelines, integrating LLMs and agent frameworks into production systems
  • Own services end-to-end: architecture, coding, testing, CI/CD, production observability
  • Deploy and operate services in Kubernetes, following GitOps practices
  • Participate in design discussions and code reviews

Requirements

- 5+ years of professional software engineering experience, strong in Go and/or Python

 - Solid understanding of distributed systems: message queues (RabbitMQ or similar), gRPC/REST APIs, relational databases (PostgreSQL or similar)

 - Experience with Docker and Kubernetes

 - Strong testing, CI/CD, and observability fundamentals

 - Comfortable in a multi-team microservices environment

 - Excellent English communication skills

Nice to have:

 - Hands-on experience with LLMs/AI agents (LangChain, LangGraph, or similar)

 - Experience with cloud AI services (AWS Bedrock, Azure OpenAI, Vertex AI)

 - Genuine curiosity/research mindset around AI developments

 - Application security knowledge

 - GitOps tooling (ArgoCD, Helm), OpenTelemetry


What we have to offer

Checkmarx offers a great work environment, professional development, challenging careers, competitive compensation, great work-life balance, as well as great benefits and perks throughout the year.

Checkmarx is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, gender, sexual orientation, gender identity or expression, age, disability, or other characteristics protected by law. 

Company at a glance

Checkmarx helps the world’s largest enterprises get ahead of application risk without slowing down development.

We end the guesswork by identifying the most critical issues to fix and give AppSec the tools they need, all while letting developers work the way they want. From DevSecOps to developer experience, security and development teams can now work better together. That’s why 1700+ customers rely on Checkmarx to scan over 1 trillion lines of code annually, improve developer productivity by 50%, and deliver 2X AppSec ROI. Checkmarx. Always Ready To Run.

Founded2006
Team Size501-1,000 employees
WorkspaceOn-site
IndustryComputer and Network Security
Location
Braga, Portugal
LinkedInLinkedIn

Top Benefits

  • Professional development
  • Competitive compensation
  • Work-life balance

Tired of cold applications?

Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.

Know someone who'd be great for this?