Software Engineer

Come work at a place where innovation and teamwork come together to support the most exciting missions in the world!

We are looking for a skilled and motivated Software Engineer to join our team in developing Qualys’ next-generation Platform & Middleware. In this role, you will work alongside a team of experienced engineers and architects to prototype, design, build, and support a highly scalable SaaS-based cloud security platform.

This is an exciting opportunity to contribute to the core of our microservices-based technology stack that handles over 100 million transactions and terabytes of data daily. You'll leverage cutting-edge open-source technologies while working on complex, high-impact projects that shape the future of cloud security.

Responsibilities

• Collaborate in the design and development of Qualys’ next-generation platform and middleware products.
• Build high-performance APIs, libraries, and microservices to support massive scale and data throughput.
• Evaluate and integrate emerging technologies to ensure platform evolution.
• Write clean, maintainable, and high-quality code that adheres to solid architecture and design principles.
• Participate in all stages of the software development lifecycle, including design, development, testing, and deployment.
  
  
  

Requirements

• 2+ years of hands-on experience developing SaaS-based software solutions for service-oriented architectures in public (AWS, Azure, etc.) or private cloud environments.
• Proven experience with building scalable SaaS platforms using microservices
• Expertise in:
• RESTful APIs for internal and external integrations
• Messaging middleware (e.g., Kafka)
• In-memory caching (e.g., Redis)
• Strong proficiency in Java, with solid understanding of object-oriented design, development, testing, and profiling.
• Solid foundation in data structures and algorithms.
• Experience with RDBMS (preferably Oracle) and NoSQL databases (preferably Cassandra).
• Familiarity with containerization and orchestration tools such as Docker, Kubernetes, and CI/CD pipelines (e.g., Jenkins).
• Bachelor’s or Master’s in Computer Science or a related field.