Senior Application Security Engineer

Home > Ruby programming jobs

Senior Application Security Engineer in USA new

Apollo.io
Full time
Email

USA
10/16/2026
Report

Remote

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

Apollo.io is the AI-powered end-to-end go-to-market platform that empowers sales, marketing, and revenue teams to find prospects, engage customers, and close deals with intelligence and efficiency. Trusted by millions of users and hundreds of thousands of companies worldwide, Apollo uniquely comb...

Similar positions

Backend Software Engineer

Megaport
Full time

Remote
10/16/2026
Salary: Competitive

Brazil

Software Engineer II, User Targeting

Braze
Full time

USA
10/16/2026
Salary: $104k - $176k/yr

Chicago, IL

Intermediate-Senior Backend Engineer (Ruby)

GitLab
Full time

UK
10/16/2026

Remote

Full Stack Engineer - Hybrid

SimplePractice
Full time

Remote
10/16/2026
Salary: Competitive

Mexico

Staff Software Engineer, HR Experience

Gusto
Full time

USA
10/15/2026
Salary: $197k - $247k/yr

New York, NY