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Volodymyr Pisotskyi - Full-Stack Developer in San Francisco, CA

Volodymyr Pisotskyi

Junior Full-Stack Engineer specializing in AI-powered web applications

Code the DreamHack ReactorSan Francisco, CA2 Years ExperienceJunior LevelWorks On-Site

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About

Full-stack engineer building production AI/RAG systems for benefits workflows, including a state-level deployment that introduced filestore-based evaluation and improved answer correctness by about 30%. Strong across Next.js, backend infrastructure, and AI evaluation tooling, with hands-on experience in LangChain/LangGraph, Langfuse, accessibility-minded UI work, and zero-to-one product leadership in fast-moving environments.

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Key Strengths

  • End-to-end ownership of production AI/RAG features
  • Improved answer correctness by roughly 30%
  • Full-stack architecture across frontend, backend, queues, and database
  • Safe production database migration without downtime
  • Strong AI evaluation and observability implementation
  • Pragmatic UX simplification for complex internal tools
  • Accessibility-focused frontend implementation
  • Performance-conscious React/Next.js development
  • Zero-to-one product leadership in ambiguous environments
  • Fast hackathon execution with a 3-person team
  • Cross-functional collaboration with design and stakeholders
  • Systematic divide-and-conquer approach to complex projects

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Experience

Full-Stack DeveloperCode the Dream · Nov 2024 – Present

Education

Hack Reactorbootcamp, Software Engineering (2018)
Kyiv International Universitybachelor, International Affairs

Awards

  • 2nd Place - MetLife Hackathon 2025

Skills

RedisNode.jsExpressPostgreSQLMongoDBFirebasePythonMatplotlibAWSOpenAILangChainTypeScriptJavaScriptNext.jsReact

Languages

English

Certifications

React, Node.js, Python and Advanced Practicum | Code the Dream Certificate

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Volodymyr PisotskyiJunior Full-Stack Engineer specializing in AI-powered web applications