Qualys, Inc.

Senior Software Engineer

Qualys, Inc.
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3 days ago
Pune, IndiaSenior

Responsibilities

  • Develop and deliver features for the appliance stack, including design, implementation, and testing.
  • Understand end-to-end appliance and cloud-service architecture and customer use cases.
  • Read, comprehend, and review code written in C/C++ and/or Python.
  • Debug product issues reported by QA teams and customers and propose solutions.
  • Collaborate with QA teams on feature behavior, performance testing, and negative scenarios.
  • Document designs and test plans and collaborate with cross-functional engineering teams.

Requirements

  • Bachelor-level degree in Computer Science, Electronics, or Instrumentation.
  • 5 to 7 years of software development experience in cybersecurity or networking systems.
  • Ability to write and understand C/C++ and/or Python programs.
  • Knowledge of Linux and Windows operating system commands and related applications.
  • Understanding of networking fundamentals, TCP/IP, firewalls, virtualization, deep packet inspection, and security protocols.
  • Strong reading, analytical, debugging, written communication, and verbal communication skills.
  • Preferred experience with kernel or networking development, packet parsing, kernel bypass, fast packet processing, hypervisors, packet captures, Linux boot loaders, kernel compilation, and networking stack internals.
  • Preferred knowledge of LDAP, DHCP, ARP, DNS, Layer 2 and Layer 3 switching, high availability, VPN, VLAN, VMware, Oracle, PL/SQL, and PostgreSQL.

Tech Stack

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Qualys, Inc.

About Qualys, Inc.

1,001-5,000 employees

Qualys builds a cloud-based security and compliance platform used by enterprises to automate vulnerability management, IT asset visibility, web application scanning, and policy/PCI compliance across on‑prem and cloud environments. Delivered as subscription SaaS, its Enterprise TruRisk Platform uses a single agent to provide continuous security telemetry for endpoints, servers, containers, and clouds. Founded in 1999 and headquartered in Foster City, California, Qualys is a public company trading on NASDAQ (QLYS).

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