We are looking for a Lead Application Security Engineer to lead application vulnerability remediation across teams, starting with Hacker One findings and API and Graph QL issues. You will own the end-to-end workflow from intake and validation to remediation tracking and closure across Cybersecurity, Engineering, Product, and vendors. Responsibilities Own the daily operational execution of the Hacker One program Run vulnerability intake, triage, validation, assignment, tracking, and closure end to end Lead weekly operating reviews with Hacker One and internal stakeholders Track remediation commitments and reinforce accountability for delivery Manage coordinated disclosure and related communications Reproduce and validate reported vulnerabilities, evaluating exploitability and business impact Use Postman, browser tooling, and security testing tools to verify findings Support vulnerability prioritization based on customer and business risk Coordinate remediation work across multiple engineering organizations Identify service ownership and route findings correctly while maintaining Jira and Service Now tracking Escalate critical items and drive resolution for overdue work Deliver executive-ready reporting and dashboards on backlog trends, SLA compliance, remediation progress, and risk reduction Present status and outcomes to cybersecurity and engineering leadership Leverage Gen AI and workflow automation to enhance triage, remediation tracking, reporting,



and service ownership identification Requirements Proven background with 5+ years of experience in Software Engineering or Application Security Solid understanding of REST APIs, Graph QL, and Authentication & Authorization mechanisms Working knowledge of OAuth, JWT, OWASP Top 10, and API Security Top 10 Hands-on experience reproducing security findings Proficiency with Postman Practical experience using Jira and Service Now for tracking and workflow Strong stakeholder management skills across technical and non-technical teams English proficiency at B2 (Upper-Intermediate) level or higher Nice to have Experience with Hacker One or other Bug Bounty programs Background in App Sec and penetration testing Full-stack software development experience Familiarity with Burp Suite Experience building or using Gen AI automation We offer International projects with top brands Work with global teams of highly skilled, diverse peers Healthcare benefits Employee financial programs Paid time off and sick leave Upskilling, reskilling and certification courses Unlimited access to the Linked In Learning library and 22,000+ courses General career opportunities Volunteer and community involvement opportunities EPAM Employee Groups Award-winning culture recognized by Glassdoor, Newsweek and Linked In EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.
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📌 Lead application security engineer (Ciudad de México)
🏢 Epam Systems
📍 Ciudad de México