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Hi, I’m Costin Georgescu, a front-end developer focused on building and deploying responsive web applications using React.js, Next.js, TypeScript, and modern CSS frameworks. I enjoy turning ideas into efficient, user-friendly interfaces that deliver real value to teams and customers. Over the years I’ve worked with freelancers and remote teams to design scalable UI systems, integrate AI features (RAG, OpenAI), and optimize performance across desktop and mobile. I’m always eager to learn new tools and approaches to solve concrete problems and ship polished software.…Hi, I’m Costin Georgescu, a front-end developer focused on building and deploying responsive web applications using React.js, Next.js, TypeScript, and modern CSS frameworks. I enjoy turning ideas into efficient, user-friendly interfaces that deliver real value to teams and customers. Over the years I’ve worked with freelancers and remote teams to design scalable UI systems, integrate AI features (RAG, OpenAI), and optimize performance across desktop and mobile. I’m always eager to learn new tools and approaches to solve concrete problems and ship polished software.

Costin Georgescu

Front-End Developer, Web Developer, UI Designer, +2

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Hi, I’m Costin Georgescu, a front-end developer focused on building and deploying responsive web applications using React.js, Next.js, TypeScript, and modern CSS frameworks. I enjoy turning ideas into efficient, user-friendly interfaces that deliver real value to teams and customers. Over the years I’ve worked with freelancers and remote teams to design scalable UI systems, integrate AI features (RAG, OpenAI), and optimize performance across desktop and mobile. I’m always eager to learn new tools and approaches to solve concrete problems and ship polished software.…Hi, I’m Costin Georgescu, a front-end developer focused on building and deploying responsive web applications using React.js, Next.js, TypeScript, and modern CSS frameworks. I enjoy turning ideas into efficient, user-friendly interfaces that deliver real value to teams and customers. Over the years I’ve worked with freelancers and remote teams to design scalable UI systems, integrate AI features (RAG, OpenAI), and optimize performance across desktop and mobile. I’m always eager to learn new tools and approaches to solve concrete problems and ship polished software.

Available to hire

Hi, I’m Costin Georgescu, a front-end developer focused on building and deploying responsive web applications using React.js, Next.js, TypeScript, and modern CSS frameworks. I enjoy turning ideas into efficient, user-friendly interfaces that deliver real value to teams and customers.

Over the years I’ve worked with freelancers and remote teams to design scalable UI systems, integrate AI features (RAG, OpenAI), and optimize performance across desktop and mobile. I’m always eager to learn new tools and approaches to solve concrete problems and ship polished software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Romanian, Moldavian, Moldovan

Advanced

Work Experience

RAG Assistant at LinkedIn

November 1, 2025 - Present

Built a RAG-powered MVP AI assistant that analyzes LinkedIn connections data, matching contacts against Ideal Customer Profiles (ICPs) using a multi-agent pipeline (matching, profile builder, reranker, responder agents). Integrated OpenAI GPT-4 for intelligent message generation, conversation analysis, and real-time connection scoring. Implemented LinkedIn OAuth 2.0 authentication, Indexed DB for large data storage, and serverless deployment on Netlify with Next.js 16 App Router.

Front-end Developer at TimePillar.app

September 1, 2025 - Present

Built and designed a time-tracking platform for freelancers from scratch, including invoicing and analytics. Implemented modular front-end architecture with React, Ionic, and Redux, delivering a responsive and maintainable UI with a focus on performance and accessibility.

Front-end Developer at Proper Solutions

August 1, 2025 - Present

Redesigned desktop-to-mobile flows with a responsive React/Ionic stack, modular form controls, and co-located layout/breakpoint logic. Improved spacing, typography, and UI consistency across money-management screens using React/Ionic/Redux. Enhanced perceived performance by migrating CSS to typed Emotion-like components and delivering skeleton dashboards for multi-device UX.

Freelance Web Developer & Designer at costingeorgescu.com

March 1, 2025 - Present

Crafted conversion-driven landing experiences with responsive component architecture, lightweight styling, and strategic image preloading to maximize results. Used the Astro static site framework to roll out polished UI components and rapidly deliver highly optimized solutions.