Senior Security Engineer

New

Skills

AI Automation Application Security Bug Bounty Programs DAST Penetration Testing SAST SCA Secure Software Design Threat Modeling Web Application Security

As a Senior Application Security Engineer at Webflow, you will collaborate with engineering teams to secure our web app platform. You will apply security best practices throughout the software development lifecycle, champion security standards while balancing business needs, and contribute to the overall security posture of our applications.

Key Responsibilities
  • Collaborate with engineering to secure Webflow's web app platform.
  • Apply security best practices to the software development lifecycle.
  • Champion security standards while balancing business needs.
  • Identify vulnerabilities via grey-box testing and propose fixes.
  • Contribute code and architecture improvements for security.
  • Cross-train entry-level app security engineers.
Requirements & Qualifications
  • BA/BS degree or equivalent experience.
  • 5+ years of application security experience, including hands-on software development.
  • Experience in secure software design and modern web app security.
  • Experience in threat modeling and/or penetration testing.
  • Familiarity with security programs/tools: SCA, SAST, DAST.
  • Experience building automation leveraging AI for security reviews.

No forms. Your profile is generated instantly.

Job Type: Remote

Salary: Not Disclosed

Experience: Entry

Duration: Months

Share this job:

Similar Jobs

Junior Mobile Security Tester

Posted 77 days ago

Conduct security testing on mobile and web applications

Identify and document vulnerabilities in digital banking platforms

Android Bash JavaScript Penetration Testing

Junior Web/Mobile Pen Tester

Posted 77 days ago

Ensure security of mobile and web banking applications

Identify and document vulnerabilities through penetration testing

Android JavaScript Penetration Testing Python

Remote Penetration Tester Role

Posted 77 days ago

Conduct thorough penetration tests to identify vulnerabilities

Maintain and update specialist security knowledge and methodologies

Bash Cyber Security Kali Linux Penetration Testing

Junior Pentest Manager Role

Posted 77 days ago

Deliver and manage penetration testing engagements

Advocate for customer needs and satisfaction

API Security Communication Cryptography Leadership

Junior Penetration Tester Role

Posted 77 days ago

Hiring a junior penetration tester

Offering a remote full-time position

Communication Skills Linux Penetration Testing Report Writing

Security Engineer

Posted 77 days ago

. Enhance cybersecurity measures through proactive security assessments. •

. Conduct penetration testing to identify vulnerabilities and threats. •

Cloud Security Cybersecurity Network Security Penetration Testing

Remote InfoSec Specialist Roles

Posted 77 days ago

Offer remote InfoSec job opportunities

Highlight key security responsibilities

Firewalls ISO 27001 Network Security Penetration Testing

Bug Bounty Security Researcher

Posted 77 days ago

Identify and report vulnerabilities in software applications, systems, and networks.

Develop and execute custom attack vectors using various tools and techniques.

C++ Html JavaScript Kali Linux

Cybersecurity Red Team Specialist

Posted 77 days ago

Conduct security assessments and penetration testing on web applications, APIs, and infrastructure.

Simulate real-world security testing scenarios in a controlled and responsible manner.

AWS Cloud Cybersecurity Network Security

Penetration Testing Analyst

Posted 77 days ago

Seeking a talented Application Penetration Tester.

Identifying and exploiting vulnerabilities in applications.

Active directory Analyst AWS Bash

Remote Cybersecurity Specialist Role

Posted 77 days ago

Protect organizational systems from cyber threats

Conduct penetration testing and vulnerability assessments

Architecture Cybersecurity Cyber Security IT Security

Cybersecurity Specialist Remote

Posted 77 days ago

Protect digital assets through advanced security testing

Identify and remediate system vulnerabilities

Cybersecurity ISO 27001 Nist Penetration Testing

Senior Penetration Tester Role

Posted 77 days ago

Conduct vulnerability assessments and penetration testing

Develop and recommend security remediation plans

Cloud Cloud Computing Devops Network Security

Security Engineer

Posted 77 days ago

- Ensure the security and integrity of Squarespace's digital assets - Develop and implement

ty measures to protect against cyber threats - Conduct regular security assessments and audits -

Cybersecurity Encryption Firewalls Network Security

Key Account Manager - GRC

Posted 77 days ago

Identify potential clients and market segments for GRC solutions; Develop and implement sales

gies; Build long-term customer relationships; Stay updated on GRC trends; Collaborate with internal

Analytics API Cybersecurity Data Management

AI Security Experts

Posted 77 days ago

Train AI systems for security weaknesses

Conduct ethical code injection attacks

Bash Bash Scripting Cloud Cloud Security

Intruder Cybersecurity Solutions

Posted 77 days ago

Provide innovative cybersecurity solutions to track attack surfaces

Foster a global community of talented and passionate individuals

Cyber Security Network Security Penetration Testing Security Analysis

Intruder Security Consultant

Posted 77 days ago

Facilitate Intruder platform operations

Deliver Premium consultancy services

Cyber Security Penetration Testing

Data Monitoring Investigation

Posted 77 days ago

Identify remote data surveillance

Analyze methods of monitoring

Cybersecurity Data Encryption Encryption Kali Linux

Senior ISSO Responsibilities

Posted 77 days ago

Ensure integrity, confidentiality, and availability of information systems

Lead LiSaaS authorization process effectively

Cybersecurity ISO 27001 Leadership Network Security

Senior ISSO Project

Posted 77 days ago

Ensure integrity, confidentiality, and availability of information systems

Lead LiSaaS authorization process

Compliance standards ISO 27001 Network Security Penetration Testing

CertiK Web3 Security Solutions

Posted 77 days ago

Enhancing Web3 security

Providing comprehensive security evaluations

Blockchain Compliance standards Cybersecurity Infosec

Security Engineer - Part-time

Posted 77 days ago

Conduct vulnerability assessments and prioritize remediation efforts

Continuously monitor systems and environments for known vulnerabilities

Bash Penetration Testing Python Terraform

Information Security Head

Posted 77 days ago

Lead and enhance information security strategies for Action for Children

Ensure digital safety and guard against cyber threats

Data loss prevention Penetration Testing Risk Management Team Management

Senior Product Security Engineer

Posted 77 days ago

Implement security best practices across SDLC

Conduct threat modeling and vulnerability analysis

Engineer Go Infosec Java

AI Product Security Researcher

Posted 77 days ago

Proactively identify and remediate AI vulnerabilities

Conduct penetration testing on AI agent platforms

Ai Frameworks Distributed systems Penetration Testing Python

Product Security Engineer Role

Posted 77 days ago

Ensure robust application and product security

Identify and remediate vulnerabilities in software and systems

devsecops Penetration Testing

Cybersecurity LLM Trainer Remote

Posted 77 days ago

Train and evaluate LLMs in cybersecurity contexts

Generate and refine AI prompts and responses

Bash Cybersecurity Docker Penetration Testing

Application Security Principal Engineer

Posted 77 days ago

Drive strategic security engineering solutions

Perform advanced vulnerability research and threat modeling

Architecture Engineer Go GraphQL

Application Security Engineer Lead

Posted 77 days ago

Drive strategic application security initiatives

Conduct advanced vulnerability and threat research

Architecture Engineer Go GraphQL

AI Product Security Research

Posted 77 days ago

Identify and exploit AI system vulnerabilities

Conduct penetration testing on AI agent platforms

Ai Frameworks Distributed systems Penetration Testing Python

AI Tutor in Coding

Posted 77 days ago

AI Tutor in Coding to challenge and improve GenAI models

Contribute to shaping the future of AI with specialized questions and reasoning skills

Bash Cybersecurity Docker Penetration Testing

Senior Security Engineer - Application Security

Posted 77 days ago

Conduct security-focused application design and architecture reviews

Propose and establish secure development practices and security standards

Architecture Cloud Engineer Go

Principal AppSec Engineer

Posted 77 days ago

Drive resolution of systemic vulnerability classes and mitigations

Perform difficult and highly complex application security reviews and threat modeling

Communication Engineer Gitlab Go

Principal Security Engineer - Application Security

Posted 77 days ago

Drive resolution of security vulnerabilities

Perform complex security reviews and threat modeling

Architecture Engineer GraphQL Leadership

Data Security Intern - Summer 2026

Posted 77 days ago

Seeking a Data Security Intern for Summer 2026

Remote internship open to candidates across Canada

Cybersecurity Data Privacy Data Security Encryption

App Security Engineer

Posted 77 days ago

Identify vulnerabilities and drive remediation

Perform code reviews, design reviews, and penetration testing

Ai Code reviews Penetration Testing Python

Senior Penetration Tester

Posted 77 days ago

Lead advanced penetration testing activities

Define and drive offensive security roadmap

API Security AWS Cloud infrastructure Kubernetes

Lead Penetration Tester

Posted 77 days ago

Lead and conduct advanced penetration testing activities

Define and implement offensive security strategies

Apis AWS Cloud infrastructure Kubernetes

Advanced Penetration Testing Lead

Posted 77 days ago

Lead advanced penetration testing activities.

Define offensive security roadmap and tool adoption.

Apis AWS Cloud infrastructure Kubernetes

Expert Penetration Tester

Posted 77 days ago

Lead and conduct advanced penetration testing

Define offensive security roadmap

Apis AWS Cloud infrastructure Kubernetes

App Security Team Lead

Posted 77 days ago

Lead and support security engagements as part of a team.

Perform application penetration testing (blackbox and whitebox).

Penetration Testing Programming languages Reporting Scripting Languages

Cybersecurity Apprentice

Posted 77 days ago

Participate in security investigations and offensive security

Automate security processes for operational efficiency

AWS Cybersecurity Docker Google Cloud Platform

Senior Pen Tester

Posted 77 days ago

Perform advanced penetration testing on web applications, APIs, and cloud infrastructure.

Lead and define offensive security strategies and roadmaps.

Apis AWS Cloud infrastructure Kubernetes

Advanced Penetration Testing Expert

Posted 77 days ago

Lead and conduct advanced penetration testing

Exploit security flaws and misconfigurations

Apis AWS Cloud infrastructure Kubernetes

DNEA Analyst

Posted 77 days ago

Evaluate target opportunities and map networks for exploitation plans

Analyze SIGINT and cybersecurity data effectively

Cybersecurity Network Security Penetration Testing Programming

Product Security Engineer

Posted 66 days ago

Perform comprehensive product security reviews.

Act as a security SME for architecture.

Cloud Security Go Incident Response Java

Product Security Engineer

Posted 66 days ago

Perform full-scope product security reviews.

Act as a security SME for architecture.

Cloud Security Go Incident Response Java

Infrastructure Security Engineer

Posted 66 days ago

Perform architecture and security reviews.

Lead teams in security feature design.

Cloud Security Go Java JavaScript