Invadel

Application Security Engineer (Source Code Review), Contract

United States full-time Mid $155,000 - $240,000
full-time Mid level Technology & IT Salary listed Curated
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About the role

Invadel is a New York City penetration testing firm. Every engagement is fixed-scope and fixed-price, agreed in writing, with public prices at invadel.com/pricing and a free retest. This is a contract role, remote within the United States, paid per engagement; a review is typically four to eight days on a defined set of repositories, followed by a retest of the fixes.
What you will do: triage static analysis output and remove false positives before a client sees them; manually review authentication, authorization, input handling, cryptography, secrets management and third-party dependency use; trace data flows across services to find flaws that only appear in combination; write findings with file and line references, proof of exploitability where safe, and remediation code where it helps; retest fixes and update the report.
What we need: four or more years split between software engineering and application security, with production code review as a regular part of the work; reading fluency in at least three of JavaScript and TypeScript, Python, Java or Kotlin, C#, Go, PHP, Ruby, Swift; based in the United States with authorization to work here; reports written for engineers and auditors, with a redacted sample report as part of the application; two professional references.
Nice to have: SAST tooling at scale and reviewing AI-generated code; mobile codebases or infrastructure as code; contributions to open-source security tooling.
Full description, pay range and application:
Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT Javascript PHP Python Remote Collaboration Writing Mid level

Likely questions

  1. Tell us about work you have done that is close to the Application Security Engineer (Source Code Review), Contract role.
  2. How would you approach your first 30 days at Invadel?
  3. Which of Javascript, PHP and Python have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Javascript, PHP and Python.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Application Security Engineer (Source Code Review), Contract role because I can bring practical experience in Javascript, PHP and Python, learn the team quickly, and contribute to the outcomes Invadel needs from this hire.

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