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Tech Lead (Python, Java, C, C++ or JavaScript) - AI Training

Braintrust
Department:Software Engineer
Type:REMOTE
Region:San Francisco, CA
Location:San Francisco Bay Area
Experience:Mid-Senior level
Estimated Salary:$150,000 - $250,000
Skills:
PYTHONJAVACC++JAVASCRIPTLLMSSQLJSONHTMLMARKDOWNDATA ANALYSISTEST HARNESSESCODE EVALUATIONSOFTWARE DEVELOPMENT
👁️ Views: 14🚀️ Applied: 1
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Job Description

Posted on: December 6, 2025

Job Description:

We are seeking multiple Tech Leads (Coders) to help lead our GenAI code initiatives as hands-on experts.

You’ll write and refine code, design automated evaluation frameworks, and partner with research, engineering, and product to improve code-centric LLM performance and reliability.

  • To Note: This is for an immediate project need. Project is approved for 3-months initially, with possibility to extend based on project/client demands.

Responsibilities:

  • Write, evaluate, and rewrite code to solve complex, real-world problems (hands-on).
  • Build frameworks, test suites, and benchmarks to validate model-generated code.
  • Analyze and improve correctness, efficiency, and security of human- and AI-written code.
  • Define and track code quality metrics.
  • Collaborate cross-functionally to integrate feedback and drive model improvements.
  • Accelerate validation and refinement of code-generating models; ensure production readiness; drive innovation in GenAI use cases.

Requirements:

  • 5+ years building and shipping complex software solutions.
  • Strong proficiency in at least one: Python, Java, C, C++, JavaScript.
  • Experience creating test harnesses; evaluating code for correctness, efficiency, security.
  • Familiarity with LLMs for code (generation, fine-tuning, evaluation) preferred.
  • Preferred: STEM/domain expertise; data analysis/visualization; SQL/databases; JSON, HTML, Markdown; web viz platforms; data libraries.
  • Senior/tech-lead level; comfortable with smaller, high-complexity datasets.
  • Nice-to-have: “technical raters” with strength in JavaScript/JSON, HTML, Markdown.
Originally posted on LinkedIn

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👁️ Views: 14🚀️ Applied: 1
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