Senior JavaScript/React Engineer – AI Training (US-based)

What You'll Do7

• Curate code examples and build solutions in Python and JavaScript (React, Node.js), plus C/C++, Java, Rust, and Go, for AI model training.
• Evaluate and refine AI-generated code across backend and frontend to ensure efficiency, scalability, and reliability.
• Collaborate with cross-functional teams to improve AI-driven coding solutions against industry performance benchmarks.
• Build agents that verify code quality and detect error patterns in full-stack applications.
• Hypothesize on software engineering cycle steps (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, maintenance) and evaluate model capabilities.
• Design automated verification mechanisms for software engineering tasks.
• Provide precise solutions and corrections across the full stack.

Requirements6

• 3+ years of software engineering experience.
• Strong expertise in full-stack development with Python and JavaScript (React, Node.js).
• Experience deploying scalable, production-grade software using modern languages and tools.
• Deep understanding of software architecture, design, development, debugging, and code quality assessment.
• Excellent oral and written communication skills for structured evaluation rationales.
• Must be based in the United States.

Preferred Qualifications2

• Experience at high-growth companies like Stripe, Airbnb, Cloudflare, Datadog, or Coinbase.
• Graduation from strong CS programs such as University of Washington, UIUC, UT Austin, University of Michigan, or Purdue.

Who Should Apply

Candidates with at least 3 years of software engineering experience and strong full-stack skills in Python and JavaScript (React, Node.js) who reside in the US. The role suits engineers who have shipped production-grade software and can evaluate and refine AI-generated code with clear communication.