Senior Software Engineer

This position offers an opportunity to solve challenging system-level problems and contribute to one of the fastest-growing R&D teams at Qualys.

Responsibilities:

• Takes complete ownership for successful delivery of products, components, modules, and features assigned.

• Demonstrates high-quality focus and applies engineering best practices including test-driven development and code quality standards.

• Develop understanding of the complete product functionality spanning endpoint agents to backend services including:

• End-to-end Runtime Security/EPP architecture
• Customer use cases & Product workflows
• Overall Qualys security platform integration and value proposition

• Lead engineering lifecycle activities including:

• Design
• Development
• Code reviews
• Test case reviews
• Release support

• Develop in-depth understanding of endpoint security technologies including:

• Runtime Security
• EPP / Anti-malware
• Runtime threat detection and prevention mechanisms

• Understand operating system internals and security concepts including:

• Processes
• Threads
• Memory management
• File systems
• System calls
• Driver interactions
• Endpoint telemetry collection

• Own new feature development including design, implementation, performance optimization, and release delivery.

• Debug issues reported by QA teams or customers in production and provide effective solutions.

• Collaborate with QA teams to define feature validation strategy including:

• Functional testing
• Performance testing
• Scalability testing
• Negative scenarios

• Document design details and test plans as part of development activities.

• Communicate and collaborate effectively with engineering teams, QA teams, architects, Product Managers, and stakeholders.

Qualifications:

Must Have:

• Bachelor's or Master's degree in Computer Science, Electronics, Instrumentation, or equivalent.

• 4+ years of software development experience with strong system-level programming background.

• Strong expertise in C++ .

• Strong experience in Windows development and Windows Internals.

• Strong understanding of operating system concepts including:

• Processes
• Threads
• Synchronization
• Memory management
• IPC mechanisms

• Professional experience in designing, prototyping, developing, testing, debugging, and performance profiling.

• Strong debugging and problem-solving skills.

• Experience developing software closer to operating system or endpoint layers.

• Hands-on experience with development tools:

• GIT
• JIRA
• Jenkins
• CI/CD tools

• Strong analytical and communication skills.

• Passion to build a career in Runtime Security and low-level system software.

Additional skills that are good to have:

• Experience with endpoint security products and technologies:

• Runtime Security
• EPP
• Anti-malware
• Runtime protection technologies

• Exposure to Linux internals and kernel concepts.

• Exposure to macOS development and system internals.

• Understanding of networking concepts and protocols including:

• TCP/IP
• DNS
• DHCP
• HTTP/HTTPS

• Understanding of security concepts such as:

• Behavioral detections
• Threat hunting
• MITRE ATT&CK framework
• Threat intelligence

• Exposure to Kubernetes, containers, and distributed systems.

• Experience with virtualization platforms such as VMware.

• Knowledge of scripting languages such as Python, Shell scripting, or PowerShell.

• Working knowledge of databases such as PostgreSQL or Oracle.

• Excellent analytical, debugging, and problem-solving skills.

Good to Have:

• Working knowledge of Java and Golang with the ability to understand, debug, and contribute to codebases written in these languages.
• Exposure to developing backend services or distributed systems using Java and/or Golang is an added advantage.