Qualys Tech Stack

Cloud-native vulnerability and compliance platform for global enterprises

Computer and Network Security Foster City, CA 1,001–5,000 employees Founded 1999 Public Company

Qualys operates a SaaS-based security platform used by majority of Fortune 100 and Global 100 companies, processing 100M transactions daily across on-premises, cloud, container, and mobile environments. The tech stack reveals a mature, data-intensive operation: Kafka, Spark, Hadoop, Elasticsearch, and Cassandra handle streaming and analytics at scale, while active adoption of LangChain, LangGraph, and OpenAI signals a shift toward AI-driven threat detection and automation. The hiring profile—engineering-dominant with significant security and product depth—reflects the company's focus on both platform scalability (core pain point: scaling data processing) and next-gen analytics products.

Tech Stack 200 technologies

Core StackKafka Apache Spark Hadoop Elasticsearch Java Scala Oracle Cassandra Redis Ansible Jenkins Grafana Salesforce Python Kubernetes Jira Apex Qualys VMDR SQL Anaplan Ceph OCI Git Burp Suite Fiddler Bash PowerShell TLS/SSL Salesforce CPQ Visualforce+170 more

AdoptingLangChain OpenAI Anthropic Terraform Helm LangGraph Bedrock Qualys TruRisk+3 more

What Qualys Is Building

◆Challenges

Scaling data platform
Processing 100 million transactions per day
Sales process streamlining
Scaling high-volume data processing
Manual security tasks
Issue resolution
Remediate cspm findings
Revenue platform reliability and integration
Reducing cyber risk
Sales obstacles

▲Active Projects

High-performance apis
Next-generation platform & middleware
Enterprise trurisk platform
Microservices based technology platform
Next-generation security analytics products
Highly scalable saas-based cloud security platform
Proof of value engagements
Secure integration across cloud platforms
Itsm platform integration
Partner enablement program

Hiring Activity

Steady310 roles · 110 in 30d

Department

Engineering

117

Sales

Security

Product

Support

Finance

Marketing

Design

Seniority

Senior

142

Mid

Lead

Director

Principal

Junior

Manager

Notable leadership hires: Anaplan Director, SOX Director, Account Director, Director of Engineering

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About Qualys

Qualys provides a unified cloud-based platform for vulnerability management, compliance, and IT asset visibility. The platform integrates with major cloud providers (AWS, Google Cloud, Microsoft Azure) and supports detection and remediation across hybrid IT estates: on-premises data centers, public/private clouds, containers, endpoints, and mobile. The company serves over 10,000 subscription customers globally, including large portions of the Fortune and Global 100 lists. Operations span 12 countries, with engineering concentration in India and the United States. Founded in 1999 as a pioneer in cloud security SaaS, the company now operates as a public enterprise managing complex security and compliance workflows at massive scale.

HeadquartersFoster City, CA

Company Size1,001–5,000 employees

Founded1999

Hiring MarketsIndia, United States, China, Australia, Netherlands, United Arab Emirates, United Kingdom, Mexico

Frequently Asked Questions

What is Qualys' tech stack?

Qualys uses Kafka, Apache Spark, Hadoop, and Elasticsearch for data processing; Cassandra and Redis for storage; Kubernetes and OCI for container orchestration; Salesforce and Salesforce CPQ for revenue operations; and Java, Python, and Scala for development. Recently adopting LangChain, OpenAI, and Anthropic for AI features.