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Bogdan Babulchak
Full Stack Developer specializing in LLM & RAG Systems

Contact Information

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Professional Summary

Full Stack Developer with 4+ years of experience, specializing in modern web technologies and AI/LLM implementations. Proven track record in building scalable
applications across various industries, from publishing platforms to AI-powered analytics tools. Strong expertise in React, Node.js, and cloud technologies, with a
recent focus on Large Language Models and RAG systems.

Professional Experience

AI/LLM Technical Lead | Undisclosed VC Technology Startup

March 2023 - Present

Led development of an AI-powered startup analysis platform for venture capital decision-making
Implemented sophisticated LLM-based systems using OpenAI's technologies for startup screening and research
Developed custom web scraping solutions for data collection and analysis
Created no-code prompt management systems for optimal AI interaction
Built evaluation tools for measuring and improving AI performance
Tech Stack: React, GCP, OpenAI API, Web Scraping Tools, Prompt Engineering

Full Stack Developer | Pillsorted

2022 - 2023

Developed spatial data-driven delivery optimization system for London-based pharmaceutical deliveries
Built comprehensive stock management system for pharmaceutical inventory
Implemented complex logistics solutions for medication delivery
Tech Stack: React, C#, AWS, Spatial Data Systems

Full Stack Developer | Axora

2021 - 2022 (4 months)

Contributed to development of marketplace platform for oil and gas sector solutions
Implemented frontend features using Gatsby and React
Worked with AWS infrastructure and Node.js backend
Tech Stack: Gatsby, React, Node.js, AWS

Full Stack Developer | Onix

2020 - 2021

Developed publishing platform for US newspaper industry
Built responsive web interfaces using React and Next.js
Implemented backend solutions using Node.js and MongoDB
Tech Stack: React, Next.js, TypeScript, Node.js, MongoDB

Technical Skills

Frontend: React, Next.js, Gatsby, TypeScript
Backend: Node.js, C#
Databases: MongoDB, SQL (any)
Cloud: AWS, GCP
AI/ML: LLM Implementation, RAG Systems, Prompt Engineering
Other: Web Scraping, Spatial Data Processing

Key Strengths

Rapid technology adaptation
Full stack development expertise
AI/LLM implementation specialist
Problem-solving focus
Cross-functional team collaboration

Languages

English (Professional)
Ukrainian (native)