Software Engineer 2

Requirements

  - 3+ years of professional Python development experience
  - Strong understanding of Python internals (AST module, import system, metaclasses, descriptors)
  - Experience with at least two of: Django, Flask, FastAPI
  - Familiarity with common web security vulnerabilities (OWASP Top 10: SQLi, XSS, command injection, etc.)
  - Experience writing and maintaining unit/integration tests with pytest
  - Comfortable with Docker-based development and testing workflows
  - Understanding of async Python (asyncio, context variables)

Nice to Have

  - Experience with bytecode/AST transformation or monkey patching (e.g., wrapt)
  - Knowledge of data flow analysis or taint tracking techniques
  - Experience supporting multiple Python versions (3.8-3.14)
  - Familiarity with WebSocket protocols and real-time communication
  - Experience with zero-dependency library design (vendoring approach)
  - AWS Lambda or Kubernetes experience
  - Contributions to security tooling or SAST/DAST/IAST products

Responsibilities

  - Develop and maintain security checkers that detect vulnerabilities at runtime
  - Build monkey-patching probes for Python libraries and frameworks
  - Extend AST transformation logic to track data flow through application code
  - Ensure compatibility across Python 3.8-3.14 and major web frameworks
  - Write integration tests against sample applications (Django, Flask, FastAPI)
  - Debug complex instrumentation issues in customer environments
  - Maintain zero-runtime-dependency architecture (vendor all third-party code)
  - Collaborate on architecture decisions for new detection capabilities