resu·mail

Senior Web Application Security Signature Engineer

at Qualys

Pune, India Senior Posted 2026-04-24

Don't apply into the void — reach the hiring manager

ResuMail finds the recruiters and hiring managers behind this Senior Web Application Security Signature Engineer role at Qualys, drafts a personalised outreach email, and schedules the send — so your application actually gets seen.

Reach the hiring manager ›

About this role

Come work at a place where innovation and teamwork come together to support the most exciting missions in the world! Responsibilities   In this position, you will primarily be researching and implementing detections for vulnerabilities on all the latest web application technologies. You will also be expected to fine-tune existing logic and payloads to detect vulnerabilities and CVEs with zero false positives for the Qualys Web Application Security product. Efficient problem-solving and troubleshooting skills are necessary, as well as using the latest tools in the industry.   Required Skills:   * 3-5 years of industry experience in web application security  * Create exploits, proof-of-concept for web application vulnerabilities  * Strong JavaScript programming skills   * Knowledge of HTTP protocol (Requests, responses, Cookies, etc.)   * Understanding of web application vulnerabilities, OWASP top 10 in Web Applications, API, and LLMs  * Exposure to DAST/BlackBox tools  * Web application security scanning tools like BURP/ZAP, SQLMap, CURL  * Experience with network analysis tools and analysis of packet captures.  * Proficient with regular expressions.  * System administrator experience on Windows or Unix platforms.    * Strong analytical and problem-solving skills  * Passion for web security and attention to detail * Experience with scripting languages, including Python and Bash    * Exposure to JAVA programming    * Experience with selenium, postman scripting  * Experience with Metasploit/Nessus exploits (especially HTTP-related )  * Experience with web application firewalls (WAF) rules, ModSecurity  * Exposure to WEB 2.0, XML/XPath, JSON, Swagger   * Database/SQL knowledge  * Experienced in the use of various scanners and open-source security tools.  * Experience in developing security-related tools/programs.  * Ability to work independently  * Published research   * Security certifications

How to get this job at Qualys

  1. Don't rely on the portal. Cold applications for a role like Senior Web Application Security Signature Engineer land in a pile of hundreds. A direct, personalised message to the hiring manager or a referrer is the fastest way in.
  2. Find the right person. ResuMail surfaces the actual recruiters and hiring managers at Qualys — not a generic careers inbox.
  3. Send tailored outreach. ResuMail drafts an email personalised to your resume and this role, then paces and schedules sends so you stay out of spam.
  4. Follow up. One polite nudge after 5–7 days roughly doubles reply rates — scheduled for you.

Reach Qualys's hiring managers today.

Free to start. No credit card. Built for Indian job seekers.

Start free with ResuMail ›