Lead SWE

Come work at a place where innovation and teamwork come together to support the most exciting missions in the world! As part of the **Qualys Engineering team**, you will design and build **highly scalable, microservices-based web applications** powered by robust Java backend services and modern frontend technologies. You’ll work across the stack—leveraging technologies such as **Java, Spring Boot, Kafka, Cassandra, Oracle, Elasticsearch, Redis, and React.js**—to deliver secure, performant, and user-friendly solutions at scale. You will collaborate closely with **product managers and cross-functional engineering teams** to translate customer needs into intuitive, cross-browser web experiences with rich user interactions. At Qualys, we strive to meet today’s web standards while anticipating the future of rich internet applications—ensuring our customers benefit from industry-leading usability, efficiency, and reliability. **Performance, scalability, and security** are at the core of everything you build. **Responsibilities** Design, develop, and deliver **web-based applications and backend services** Build and ship **new features and enhancements** in a fast-paced, agile environment Collaborate with product managers and cross-functional teams to refine and implement product requirements Mentor and guide team members on web development, backend design, and system architecture Continuously evaluate and improve **architecture, performance, scalability, and user experience** Apply **object-oriented design principles** and best practices (e.g., SOLID, DRY) Research emerging technologies and contribute to their adoption in new or existing products **Qualifications** **8+ years** of experience in Java backend development Strong proficiency in **Java (8/11/17), Spring Boot, Hibernate, and RESTful APIs** Hands-on experience with **distributed event streaming platforms** such as Kafka Working knowledge of **Elasticsearch** Experience with **distributed caching systems** (e.g., Redis) Exposure to **Oracle databases** Solid understanding of **data structures and distributed systems**