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