Ben-Hur G.
Senior Full-Stack JavaScript & AI Integration Developer
I help businesses and startups build modern, scalable, and high-performance web applications using cutting-edge technologies like React, Next.js, and Node.js. Beyond front-end and full-stack development, I specialize in delivering applied AI solutions — from Retrieval-Augmented Generation (RAG) systems and custom AI agents to chatbot workflows powered by LangChain, OpenAI, and vector databases. I focus on writing clean, maintainable code, implementing SEO-friendly architecture, and delivering seamless user experiences that drive measurable results. What I Offer: • Full-stack development with React, Next.js, MERN • AI/LLM integration (LangChain, Pinecone, OpenAI APIs, embeddings, context packs) • RAG pipelines and custom AI Agents (LangChain Agents, DynamicStructuredTools, prompt engineering) • API development, third-party integrations, and backend solutions • SEO & performance optimization • Responsive, mobile-first UI with Tailwind, Material UI, Shadcn Why Clients Work With Me: • Experience building end-to-end product features (from web apps to AI-powered assistants) • Hands-on with AI orchestration (agents, tool usage, memory, message flows) • Strong English communication & flexible working hours • Consistent, high-quality delivery with proactive problem-solving • Focused on business goals, not just code If you need a dedicated developer who can deliver both modern web apps and intelligent, AI-driven solutions, let’s talk.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $21k
Billed in all: $201,152$201k
$21k in the last 6 months
Across 20 contracts
Earnings, last 30 days
Skill rankings: Top 2% in ExpressJS
Ranked by MRR among everyone on Upwork with the skill.
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- #25OAuth381 freelancers · 🇵🇭 #1Top 7%🇵🇭#1 of 3
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- #135ExpressJS5,651 freelancers · 🇵🇭 #2Top 2%🇵🇭#2 of 75
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