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About this Senior Software Engineer role at Qualys

Qualys · Onsite · Pune

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

Senior Software Engineer (4–6 Years Experience) – Full Stack Java Developer

Required Skills & Qualifications
  • 4–6 years of hands-on experience in software development with React.js (Front-End) and Java (Back-End).
  • Strong expertise in Java, Spring Boot, and RESTful API development with a solid understanding of design patterns and object-oriented programming principles.
  • Experience in designing and developing scalable microservices and distributed systems.
  • Strong understanding of Artificial Intelligence and Machine Learning concepts, including Large Language Models (LLMs), AI Agents, Prompt Engineering, Retrieval-Augmented Generation (RAG), and AI-powered application development.
  • Hands-on experience integrating AI services and frameworks such as OpenAI APIs, Azure OpenAI, LangChain, Semantic Kernel, or similar technologies.
  • Experience leveraging AI-assisted development tools such as GitHub Copilot, Microsoft Copilot, ChatGPT, or equivalent to improve development productivity and software quality.
  • Strong Java and React.js programming skills, including architecture, prototyping, development, testing, performance tuning, profiling, and troubleshooting.
  • Hands-on experience with messaging and event-driven architectures using Apache Kafka.
  • Familiarity with in-memory caching technologies such as Redis and Memcached.
  • Strong understanding of relational databases, preferably Oracle, including database design, query optimization, indexing, and performance tuning.
  • Experience with NoSQL databases, preferably Cassandra.
  • Hands-on experience with Docker, Kubernetes, Jenkins, and CI/CD pipelines.
  • Good understanding of cloud-native application development and deployment practices.
  • Strong analytical, debugging, and problem-solving skills with the ability to troubleshoot complex production issues.
  • Excellent communication and collaboration skills with the ability to work effectively in cross-functional teams.
Key Responsibilities
  • Design, develop, and maintain scalable full-stack applications using React.js and Java/Spring Boot.
  • Architect and implement robust REST APIs and microservices for high-performance distributed systems.
  • Develop and support event-driven architectures leveraging Kafka and related technologies.
  • Deploy, monitor, and troubleshoot applications running in Kubernetes-based environments.
  • Collaborate with product management, engineering, and platform teams to deliver high-quality solutions.
  • Drive technical design discussions and contribute to architectural decisions.
  • Integrate AI-powered capabilities into products and workflows, including LLM-based and agentic solutions.
  • Evaluate and adopt emerging AI technologies to enhance product functionality and engineering efficiency.
  • Utilize AI-assisted development tools to improve code quality, testing coverage, documentation, and developer productivity.
  • Participate in code reviews, mentor junior engineers, and promote engineering best practices.
  • Ensure application performance, reliability, scalability, and security through proactive engineering practices.

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About Qualys

Qualys, Inc. (NASDAQ: QLYS) is a pioneer and leading provider of disruptive cloud-based security, compliance and IT solutions with more than 10,000 subscription customers worldwide, including a majority of the Forbes Global 100 and Fortune 100. Qualys helps organizations streamline and automate their security and compliance solutions onto a single platform for greater agility, better business outcomes, and substantial cost savings.

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