Intern Application Security Engineer

· Remote

Location

Remote

Type

Full Time

Job Description

CommerceJobs
Intern Application Security Engineer

Intern Application Security Engineer

Posted An Hour Ago
Be an Early Applicant
Austin TX USA
In-Office
25-35 Hourly
Internship
Artificial Intelligence • Cloud • Consumer Web • eCommerce • Information Technology • Software
We Mean Business.
The Role
The Application Security Intern will support the Cybersecurity team gaining hands-on experience in secure software development vulnerability management and incident response workflows while shadowing experienced engineers.
Summary Generated by Built In
Welcome to the Agentic Commerce Era

At Commerce our mission is to empower businesses to innovate grow and thrive with our open AI-driven commerce ecosystem. As the parent company of BigCommerce Feedonomics and Makeswift we connect the tools and systems that power growth enabling businesses to unlock the full potential of their data deliver seamless and personalized experiences across every channel and adapt swiftly to an ever-changing market. We believe in harnessing AI responsibly to unlock new possibilities and we’re looking for individuals who use it intentionally to solve problems accelerate outcomes and expand what’s possible in their role. Our purpose is to help businesses confidently solve complex commerce challenges so they can build smarter adapt faster and grow on their own terms. If you want to be part of a team of bold builders sharp thinkers and technical trailblazers who shape the future of commerce this is the place for you.

Commerce is seeking an Application Security Intern to join the Cybersecurity team for an eight-week summer internship. This role is designed for a student or early-career candidate interested in application security secure software development vulnerability management and how security teams partner with engineering in a modern SaaS environment.As an Application Security Intern you will work under the guidance of experienced Application Security engineers to learn how BigCommerce identifies evaluates and helps remediate security risks across our products and platforms. You will contribute to practical tooling documentation and process improvements that help the team scale its AppSec program while gaining exposure to real-world bug hunting security review and incident response workflows.This is a hybrid role based in Austin TX. We require 3 days a week in office and are looking for local candidates only.
What You’ll Do:
  • Learn the structure goals and day-to-day operating model of the BigCommerce Application Security program.
  • Support improvements to AppSec tooling reporting documentation and team processes.
  • Assist with organizing or refining vulnerability management workflows intake processes dashboards or knowledge base materials.
  • Shadow AppSec engineers during security reviews bug hunting triage and remediation discussions.
  • Participate in guided hands-on security activities such as testing reproducing findings researching vulnerabilities or validating fixes.
  • Observe how the team partners with engineering product infrastructure and incident response teams.
  • Contribute to a small intern project that improves the AppSec team’s ability to measure communicate or scale its work.
  • Present a short summary of learnings recommendations and completed work at the end of the internship.
What We’re Looking For:
  • Current student or early-career candidate pursuing cybersecurity computer science software engineering information systems or a related field.
  • Interest in application security ethical hacking secure coding vulnerability research or software development.
  • Familiarity with basic web application concepts APIs Git scripting or common security topics such as OWASP Top 10.
  • Curiosity good judgment and willingness to ask questions.
  • Strong written communication skills and ability to document findings clearly.
  • Ability to work with a team follow guidance and handle sensitive information responsibly.
Nice to Have:
  • Coursework labs CTF participation personal projects or prior internship experience related to cybersecurity or software development.
  • Exposure to tools or concepts such as SAST DAST SCA threat modeling vulnerability management or cloud security.
  • Basic scripting experience in Python JavaScript Bash or a similar language.
What You’ll Gain:
  • Practical exposure to how an application security program operates inside a SaaS company.
  • Experience with real AppSec tooling workflows and vulnerability management practices.
  • Mentorship from security engineers and exposure to engineering partnership models.
  • A clearer understanding of potential career paths in application security product security and cybersecurity.
#LI-TK1#LI-HYBRID(Pay Transparency Range: $25.00/Hr.-$35.00/Hr.)

Compensation Transparency


The national base salary range for this role is posted above in this job post.

Final compensation will be determined based on factors such as relevant experience skills qualifications and geographic location. We also consider internal equity to help ensure fair and consistent pay practices across our teams.

Where applicable this role may also be eligible for variable compensation (such as bonus or commission) equity and benefits in accordance with local policies. Details will be shared during the hiring process. We are committed to equitable and transparent pay practices that align to market data internal equity and individual contribution.

Inclusion and Belonging

At Commerce we believe that celebrating the unique histories perspectives and abilities of every employee makes a difference for our company our customers and our community. We are an equal opportunity employer and the inclusive atmosphere we build together will make room for every person to contribute grow and thrive.

We are committed to creating an inclusive and accessible hiring experience for all candidates. If you require accommodations or adjustments at any stage of the recruitment process please let us know and we will work with you to meet your needs.

Learn more about the Commerce team culture and benefits at https://www.commerce.com/careers/

Protect Yourself Against Hiring Scams: Our Corporate Disclaimer 

Commerce along with many other employers has become the subject of fraudulent job offers to hopeful prospective job seekers.
Be advised:
Commerce does not offer jobs to individuals who do not go through our formal hiring process.
Commerce will never:

  • require payment of recruitment fees from candidates;

  • request personally identifiable information through unsanctioned websites or applications;

  • attempt to solicit money from you as part of the hiring process or as part of an employment offer;

  • solicit money to complete visa requirements as part of a job offer.

If you receive unsolicited offers of employment from Commerce we urge you to be extremely cautious and avoid engaging or responding.

Skills Required

  • Current student or early-career candidate pursuing cybersecurity computer science software engineering information systems or a related field
  • Interest in application security ethical hacking secure coding vulnerability research or software development
  • Familiarity with basic web application concepts APIs Git scripting or common security topics such as OWASP Top 10
  • Strong written communication skills and ability to document findings clearly
  • Ability to work with a team follow guidance and handle sensitive information responsibly

What the Team is Saying

Jason Schmitt
Gloriana Berry
Tiffany Croom
Tiffany Croom
Larry Choate
Madison Buchmeyer
Preston Huth
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The Company
HQ: Austin TX
1200 Employees
Year Founded: 2009

What We Do

Commerce (Nasdaq: CMRC) empowers businesses to innovate grow and thrive through an open AI-driven commerce ecosystem. As the parent company of BigCommerce Feedonomics and Makeswift we help brands unlock the full potential of their data connect systems and deliver seamless personalized experiences across every channel. Visit commerce.com or follow us for more. #PoweredByCommerce

Why Work With Us

Ask any employee what makes Commerce unique they will tell you it's the people. The team is full of brilliant dedicated individuals focused on revolutionizing the world of ecommerce. We foster a culture that encourages inclusion of every employee celebrating our individuality and the values that bring us together.

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Commerce Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: 3 days a week
HQAustin
Ireland
Atlanta
Dallas
London
Sydney
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Date Posted

05/27/2026

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