Lead Software Engineer
Job Description
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
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
More Info
Key Skills
About Company
Skills:
Sql, Css3, Java Technologies, Javascript, Core Java, Html5, PL SQL development, DevOps practices, SOAP-based web services, ICD-ICM Billing, Object-Oriented Design, CI CD tools, Distribution Management
Skills:
.NET, software design patterns , react.js , Automated Testing, Microservices, Typescript, Javascript, Docker, Restful Apis, Azure, Kubernetes, AWS, Vibe coding, generative AI models, DevOps best practices
Skills:
Microservice architecture, Agile Development Methodologies, Kafka, Grafana, Rest Api, Jenkins, Git, Bitbucket, Shell scripting, Elastic Search, Linux Operating System, Python, AWS, Root Cause Analysis, Containerization technologies, Documentation, Deployment, Distributed System Design, Virtualization technologies, Cloud-native SaaS development, Observability tools
Skills:
Design Patterns, JavaFX, Linux Commands, Core Java, Data structures, Multithreading, Software Design, Java coding standards, Peer code reviews, Component-level design, Railway domain knowledge
Skills:
Github, Graphql, Buildkite, PostgreSQL, Kafka, Datadog, Sql, Redis, Git, Ruby On Rails, Docker, MySQL, Elasticsearch, Php, Restful Apis, Etl, Sidekiq