Joe Krisciunas

Resume

Career & Skills


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Skills & Tools


TypeScriptPythonGoCNext.jsReactBunNode.jsLLM EvaluationAdversarial TestingPrompt InjectionAgentic PipelinesRed TeamingPolicy DesignAWSDistributed SystemsAPI DesignPostgreSQLRedisDocker

Experience


Independent research into AI system vulnerabilities and agentic threat models.

  • Conducted systematic adversarial evaluation across 246 attack cases
  • Mapped 9 distinct threat channels in agentic AI pipelines
  • Ran 498 structured tests across GPT-5-mini and GPT-4o
  • Published findings on capability paradox and specificity ceiling effects
  • Developed CapabilityOS 4-layer policy stack for agentic defense

Developer tooling — TypeScript SDK and deployment CLI for the Whop platform.

  • Authored @whoplabs/whop-client TypeScript SDK for Whop APIs
  • Built create-whop-app scaffolding CLI for rapid app development
  • Developed @whoplabs/whopctl deployment CLI
  • Designed ergonomic API patterns and authentication flows

Built the core AI data analysis platform from the ground up. 3M+ messages/week.

  • Founding engineer — built the product from zero to 3M+ messages/week
  • Architected multi-model AI orchestration layer with Python/TypeScript
  • Designed sandboxed code execution environment for untrusted AI-generated code
  • Built real-time streaming infrastructure for LLM responses at scale

Large-scale distributed systems and cloud infrastructure.

  • Designed and implemented distributed services handling millions of requests per day
  • Led technical initiatives improving reliability and latency for core AWS services
  • Collaborated across teams to define API contracts and operational excellence standards

Backend systems and data integration platform development.

  • Built data pipeline integrations across enterprise messaging systems
  • Developed REST APIs and microservices for the TIBCO integration platform
  • Optimized high-throughput message processing components

Avionics software engineering, embedded systems for flight-critical applications.

  • Developed embedded C software for avionics display systems
  • Contributed to DO-178C certified flight software components
  • Integrated hardware/software interfaces for cockpit display units