Application Security Engineer

Brex

Application Security Engineer contributing to security vulnerability management for Brex platform. Collaborating with engineering and product teams to identify and secure AI-driven features and workflows.

Posted 5/4/2026full-timeRemote • New York • 🇺🇸 United StatesMid-LevelSenior💰 $152,000 - $190,000 per yearWebsite

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Identify vulnerabilities across common vulnerability classes (e.g., OWASP Top 10), document findings clearly, and communicate risk to drive remediation efforts
Participate in penetration testing and design reviews alongside senior engineers, contributing to the identification of vulnerabilities and insecure designs
Contribute to internal tooling and automation efforts that support SAST and DAST testing of the Brex platform and promote secure development practices
Collaborate with engineering and product teams to support the design of secure product features
Actively contribute to a culture of security awareness through knowledge sharing and peer learning

Requirements

What you’ll need

4+ years of work experience in Application Security or a related role
Demonstrated ability to find and document vulnerabilities in complex systems, with clear communication of business risk
Hands-on experience with a subset of secure development activities, such as code review, threat modeling, or penetration testing
Experience identifying security risks in AI/ML systems — such as prompt injection, model manipulation, or data poisoning — through work experience, personal projects, CTFs, or bug bounties
Familiarity with agentic workflows and the ability to reason about attack surfaces introduced by LLM-powered features
Knowledge of Python or scripting languages to automate tasks and build tooling
Collaborative mindset paired with strong written and verbal communication skills

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Brex Website LinkedIn All Job Openings 501 - 1000 employees Founded 2017 💳 Fintech 💸 Finance 🏢 Enterprise 💰 Series D on 2022-05 Fintech
Finance
Enterprise Brex is a financial technology company that offers modern solutions for managing expenses, banking, and finances in over 120 countries. Unlike traditional banks, Brex provides a platform with services such as corporate cards, AI-powered expense management, travel booking, bill payment, and banking and treasury services. It aims to help startups and larger enterprises control spending, automate busywork, and maximize financial resources through its innovative financial stack. With a focus on AI and automation, Brex enables companies to save time, ensure compliance, and enhance efficiency in financial operations. It provides financial products like business accounts yielding 4. 22%, and solutions tailored to various business sizes, helping finance teams maximize impact and adapt to growth stages. Application Security Engineer Job not on LinkedIn 🔥 28 minutes ago 🗽 New York – Remote 💵 $152k - $190k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Application Engineer 🦅 H1B Visa Sponsor Python Apply Now Find Hiring Managers Customize resume for this job Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Identify vulnerabilities across common vulnerability classes (e.g., OWASP Top 10), document findings clearly, and communicate risk to drive remediation efforts
Participate in penetration testing and design reviews alongside senior engineers, contributing to the identification of vulnerabilities and insecure designs
Contribute to internal tooling and automation efforts that support SAST and DAST testing of the Brex platform and promote secure development practices
Collaborate with engineering and product teams to support the design of secure product features
Actively contribute to a culture of security awareness through knowledge sharing and peer learning 🎯 Requirements
4+ years of work experience in Application Security or a related role
Demonstrated ability to find and document vulnerabilities in complex systems, with clear communication of business risk
Hands-on experience with a subset of secure development activities, such as code review, threat modeling, or penetration testing
Experience identifying security risks in AI/ML systems — such as prompt injection, model manipulation, or data poisoning — through work experience, personal projects, CTFs, or bug bounties
Familiarity with agentic workflows and the ability to reason about attack surfaces introduced by LLM-powered features
Knowledge of Python or scripting languages to automate tasks and build tooling
Collaborative mindset paired with strong written and verbal communication skills Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Application Security Engineer 🔥 1 hour ago GuidePoint Security 201 - 500 🔒 Cybersecurity Website LinkedIn All Job Openings Application Security Engineer providing cybersecurity expertise and solutions at GuidePoint Security. Identifying threats and optimizing resources to mitigate risks for top organizations. 🇺🇸 United States – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Application Engineer 🦅 H1B Visa Sponsor Azure Cyber Security Jenkins SDLC CNC Applications Engineer 🔥 2 hours ago Phillips Corporation 201 - 500 🔧 Hardware 🏢 Enterprise Website LinkedIn All Job Openings CNC Applications Engineer tasked with increasing efficiency for manufacturing giants. Seeking high-level Mastercam programmer ready for a dynamic, travel-intensive role. 🇺🇸 United States – Remote 💵 $90k - $100k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Application Engineer Field Application Engineer 🔥 5 hours ago FRAMOS 51 - 200 Website LinkedIn All Job Openings Field Application Engineer providing technical consultancy for imaging projects and collaborating with sales teams. Working remotely in USA to consult and propose tailored imaging solutions. 🇺🇸 United States – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Application Engineer Linux Senior Quantum Applications Engineer – QEC 🔥 5 hours ago Quantum Circuits, Inc. 11 - 50 🏢 Enterprise 🔬 Science Website LinkedIn All Job Openings Senior Quantum Applications Engineer specializing in Quantum Error Correction for quantum computing innovation. Join us at Quantum Circuits Inc. to develop cutting-edge quantum technology solutions. 🇺🇸 United States – Remote 💰 $18M Series A on 2017-11 ⏰ Full Time 🟠 Senior 💻 Application Engineer Python Global Technical Support Engineer – Informatics Applications 🔥 16 hours ago Danaher Corporation 10,000+ employees 🧬 Biotechnology 🔬 Science 🤝 B2B Website LinkedIn All Job Openings Global Technical Support Informatics Applications Engineer providing remote and on-site support for Beckman Coulter Life Sciences. Responsible for resolving technical problems and mentoring field engineers in service operations. 🇺🇸 United States – Remote 💵 $120k - $135k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Application Engineer 🦅 H1B Visa Sponsor Oracle View More Application Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

Application Securityvulnerability assessmentpenetration testingcode reviewthreat modelingPythonscripting languagesSASTDASTsecure development practices

Soft Skills

clear communicationcollaborative mindsetstrong written communicationstrong verbal communicationknowledge sharingpeer learning