Apollo.io

Senior Application Security Engineer

Apollo.io
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3 days ago
Remote, United StatesSenior
H1B sponsor

Responsibilities

  • Own and continuously improve Apollo’s secure software development lifecycle across applications and AI-powered features.
  • Perform application security reviews, threat modeling, deep code analysis, penetration testing, exploit development, and remediation validation.
  • Manage vulnerabilities from internal reviews, bug bounty programs, penetration tests, SCA/runtime findings, and automated security tooling through closure and verification.
  • Configure AppSec tooling and build automations that improve coverage, signal quality, and operational efficiency.
  • Embed AI-specific security checks and controls into SSDLC reviews, code analysis, and AI-powered systems.
  • Enable engineers and security champions through secure coding guidance, training, documentation, metrics, and actionable remediation patterns.
  • Partner with Engineering, Product, Platform, Data, Legal, IT, and security teams to align AppSec priorities with business risk.

Requirements

  • At least 5 years of software engineering or application security experience with meaningful hands-on AppSec depth in modern SaaS environments.
  • Strong software development skills, including the ability to read, write, and ship production code; Ruby experience is highly valuable and Python or similar scripting ability is a plus.
  • Strong Linux and cloud fundamentals, ideally in GCP-backed environments.
  • Deep familiarity with application security issues, secure authentication and authorization, secure design, vulnerability management, and developer security tooling.
  • Experience with deep code review, penetration testing, exploit-oriented validation, direct vulnerability remediation, and bypass or variant analysis.
  • Experience managing findings from bug bounty programs, penetration tests, internal reviews, or automated security tooling through closure and verification.
  • Experience using AI-assisted tools, automations, APIs, or structured workflows to improve engineering or security processes at scale.
  • Experience securing AI-powered systems or features, including AI API exposure, prompt and response handling, data protection, misuse scenarios, and monitoring.
  • Strong written and verbal communication, stakeholder management, and influencing skills.
  • Preferred qualifications include AI-native product security reviews, secure-by-design and AppSec observability improvements, developer enablement or security champions experience, and relevant security certifications.

Benefits

  • Equity may be included.
  • Company bonus or sales commissions/bonuses may be included.
  • 401(k) plan.
  • At least 10 paid holidays per year, flex PTO, and parental leave.
  • Employee assistance program and wellbeing benefits.
  • Global travel coverage and life, AD&D, STD, and LTD insurance.
  • FSA/HSA and medical, dental, and vision benefits.
Apollo.io

About Apollo.io

501-1,000 employees

Apollo.io builds a go-to-market platform that pairs a large B2B contact database with sales engagement, enrichment, and sequencing tools for revenue teams. Offered as a SaaS subscription, it serves sales and marketing organizations that need prospect data and outbound automation; the company is privately held, founded in 2015, headquartered in San Francisco, and raised a Series D funding round in 2023.

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