Company Overview 

Qualys is a leading provider of cloud-based security and compliance solutions, processing vast amounts of data to help our global customers secure their networks, devices, and applications. With a strong focus on innovation and scale, Qualys empowers organizations to achieve continuous security and compliance through real-time visibility and analytics. As we continue to grow, we are looking for passionate and skilled professionals to join our mission in redefining the future of cybersecurity. 

Position Overview 

We are seeking an experienced Java Full Stack Developer to join our engineering team responsible for building and scaling secure, high-performance enterprise applications. The ideal candidate has strong experience in Spring Boot, microservices architecture, and React.js, with hands-on exposure to Kubernetes, Oracle Database, and modern DevOps practices. 

This role involves designing and developing components that power enterprise-grade platforms, integrating with backend services, and delivering intuitive, performant front-end experiences. 

Key Responsibilities 

• Design, develop, and maintain Java-based microservices using Spring Boot. 

• Build and enhance front-end applications using React.js and modern UI frameworks. 

• Develop and maintain RESTful APIs and ensure seamless integration between frontend and backend services. 

• Deploy and manage services in Kubernetes and containerized environments. 

• Collaborate with architects, product managers, and QA teams to deliver secure, scalable, and high-performing solutions. 

• Write optimized SQL queries and work with Oracle Database for data modeling and performance tuning. 

• Implement automated testing, CI/CD pipelines, and ensure code quality through reviews and best practices. 

• Troubleshoot production issues, perform root cause analysis, and contribute to continuous system improvements. 

Required Qualifications 

• Bachelor’s degree in Computer Science, Engineering, or related discipline. 

• 3+ years of experience in Java development with a focus on Spring Boot and microservices. 

• Strong experience in front-end development using React.js, JavaScript (ES6+), HTML5, and CSS3. 

• Solid understanding of Kubernetes, Docker, and microservice deployment patterns. 

• Proficiency with Oracle DB (SQL, PL/SQL, schema design, performance tuning). 

• Experience building secure APIs and integrating with authentication frameworks (OAuth2, JWT, etc.). 

• Familiarity with Git, Maven/Gradle, and CI/CD tools (Jenkins, GitHub Actions, etc.). 

Preferred Qualifications 

• Experience in cybersecurity, vulnerability management, or enterprise SaaS environments. 

• Familiarity with cloud platforms (AWS, GCP, or OCI). 

• Exposure to monitoring and observability tools (Prometheus, Grafana, ELK). 

• Knowledge of message brokers (Kafka, RabbitMQ) and asynchronous communication patterns. 

• Experience with test automation frameworks (JUnit, Selenium, Cypress). 

Soft Skills 

• Strong analytical and problem-solving skills. 

• Excellent communication and teamwork abilities. 

• Self-motivated with a drive to learn and apply new technologies. 

• Ability to thrive in a fast-paced, collaborative environment. 

Our Work Environment 

• Collaborative & Transparent: We use virtual collaboration and pairing tools to share ideas openly. Siloed work is discouraged—teamwork is our strength. 

• Agile & Flexible: We focus on delivering incremental value, adapting processes only when they serve our goals. 

• Diverse & Inclusive: We believe in building teams with diverse perspectives, which fuels creativity and innovative problem-solving. 

• People-Focused: Our people are our most valuable asset. We invest in personal growth and align individual strengths to company objectives. 

Why Join Us? 

• Leadership Impact: Be part of a security-first culture driving innovation in AI/ML safety at a global scale. 

• Cutting-Edge Technology: Work on real-world security issues in LLMs and shape the defense landscape of next-gen AI systems. 

• Professional Growth: Access a broad range of resources, mentorship, and exposure to cutting-edge research. 

• Inclusive Culture: Join a team that values diverse thinking, critical research, and collaboration. 

• Competitive Compensation: We offer a comprehensive benefits package, including healthcare, retirement plans, and more.