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I'm Osama Abdelhamed, a versatile full‑stack software engineer based in Denpasar, Bali, Indonesia, with remote collaboration experience in Seattle, Singapore, and Malaysia. I design and build AI‑powered CRM systems and chat applications using Next.js, React, NestJS, and other modern web, AI, and automation technologies to deliver scalable microservices and real‑time features. I enjoy turning complex requirements into solid software with clean code, thoughtful data models, and effective dashboards. I value clear communication with clients and teammates, and I love applying AI and automation to improve business processes.…I'm Osama Abdelhamed, a versatile full‑stack software engineer based in Denpasar, Bali, Indonesia, with remote collaboration experience in Seattle, Singapore, and Malaysia. I design and build AI‑powered CRM systems and chat applications using Next.js, React, NestJS, and other modern web, AI, and automation technologies to deliver scalable microservices and real‑time features. I enjoy turning complex requirements into solid software with clean code, thoughtful data models, and effective dashboards. I value clear communication with clients and teammates, and I love applying AI and automation to improve business processes.

Osama Abdelhamed

Full Stack Developer, AI Engineer, Programmer, +7

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I'm Osama Abdelhamed, a versatile full‑stack software engineer based in Denpasar, Bali, Indonesia, with remote collaboration experience in Seattle, Singapore, and Malaysia. I design and build AI‑powered CRM systems and chat applications using Next.js, React, NestJS, and other modern web, AI, and automation technologies to deliver scalable microservices and real‑time features. I enjoy turning complex requirements into solid software with clean code, thoughtful data models, and effective dashboards. I value clear communication with clients and teammates, and I love applying AI and automation to improve business processes.…I'm Osama Abdelhamed, a versatile full‑stack software engineer based in Denpasar, Bali, Indonesia, with remote collaboration experience in Seattle, Singapore, and Malaysia. I design and build AI‑powered CRM systems and chat applications using Next.js, React, NestJS, and other modern web, AI, and automation technologies to deliver scalable microservices and real‑time features. I enjoy turning complex requirements into solid software with clean code, thoughtful data models, and effective dashboards. I value clear communication with clients and teammates, and I love applying AI and automation to improve business processes.

Available to hire

I’m Osama Abdelhamed, a versatile full‑stack software engineer based in Denpasar, Bali, Indonesia, with remote collaboration experience in Seattle, Singapore, and Malaysia. I design and build AI‑powered CRM systems and chat applications using Next.js, React, NestJS, and other modern web, AI, and automation technologies to deliver scalable microservices and real‑time features.

I enjoy turning complex requirements into solid software with clean code, thoughtful data models, and effective dashboards. I value clear communication with clients and teammates, and I love applying AI and automation to improve business processes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Arabic

Fluent

English

Advanced

Indonesian

Beginner

Work Experience

Full Stack Software Engineer at Engages AI

August 1, 2025 - August 20, 2025

Developed a CRM chat application with AI chatbot capabilities. Enhanced and developed frontend features using MUI, React, Redux, socket.io, RabbitMQ, and web widgets. Replaced Webpack with Vite in the frontend. Built scalable backend systems and microservices using NestJS, leveraging PostgreSQL and Redis for data management and RabbitMQ for communication. Utilized Alibaba ChatApp for core functionalities and integrated AI components like Python, RASA models, GPT chat, GPT assistant, and LangGraph. Managed deployment on Alibaba Ubuntu instance and serverless Lambda functions. Developed reporting and dashboards for the chat and CRM system. Automated workflows allowing actions inside and outside the CRM or chat system. Helped group and manage contacts into lists for broadcast messages. Moved backend load to the database via functions, materialized views, and procedures. Used Change Data Capture tool PeerDB to sync between databases. Developed serverless crawler functions to update the GPT

Software Engineer Intern at Quickdesk

February 1, 2024 - August 20, 2025

Contributed to Quickdesk (Engages AI) CRM web application development. Developed frontend in React. Implemented backend using NestJS, PostgreSQL, Redis, and Alibaba ChatApp. Developed AI chatbots using the Rasa framework.

System Analyst Intern at Universiti Sains Islam Malaysia

April 1, 2023 - August 20, 2025

Modernized the existing system tech stack by migrating from PHP and Kotlin to React and React Native. Improved performance and maintainability. Supported cross-platform mobile applications.

Full Stack Vibe Coder at Salesmart

September 1, 2025 - Present

Converted a React project to NextJS for security and flexibility. Enhanced and developed an AI chatbot system with capabilities to provide recommendations and in-depth search, and the ability to respond to users in 1.5 seconds using Gemini-powered tools. Engaged with clients for update requests. Updated the Shopify store with a new template UI and configurations. Managed and developed features in Salesforce and other service providers using NextJS, Tailwind, Firebase, Algolia, and Zustand. Utilized QuickBooks and Stripe to handle payments and invoicing. Used n8n to handle complex processes outside the system.

Full Stack Software Engineer at Engages AI

March 1, 2024 - August 31, 2025

Developed a CRM chatbot application with AI chatbot capabilities. Enhanced frontend features using MUI, React, Redux, socket.io, and RabbitMQ. Replaced Webpack with Vite in the frontend. Built scalable backend services and microservices using NestJS, PostgreSQL, and Redis; RabbitMQ managed communications. Integrated AI components: Python, RASA models, GPT chat, GPT assistant, and Language Graph. Managed deployment on Alibaba Cloud (Ubuntu instances) and serverless Lambda functions. Developed reporting and dashboards for the chat and CRM systems. Implemented automation workflows that trigger CRM/chat actions inside and outside the system. Helped group contacts into lists for broadcast messaging. Migrated backend load to the database via functions, materialized views, and procedures. Used Change Data Capture (CDC) via PeerDB to sync databases. Developed a serverless crawler to update the GPT assistant vector store. Provided unit testing with Jest.

Software Engineer Intern at Quickedesk

August 1, 2023 - February 29, 2024

Contributed to Quickedesk CRM web app development. Implemented frontend in React and backend with NestJS, PostgreSQL, Redis, and Alibaba ChatApp. Built AI chatbots using the Rasa framework.

Full Stack Developer (Vibe Coder) at Salesmart

September 1, 2025 - Present

Converted a React project to Next.js for security and flexibility. Enhanced a CRM frontend with real-time features and AI chatbot integration. Updated a Shopify storefront with a new template UI and configurations. Led features in Salesbox, Salesmart, and GoTry One using Next.js, Tailwind, Firebase, Algolia, and Zustand. Implemented payments & invoicing with QuickBooks and Stripe. Automated processes with N8N outside the system.

Software Engineer Intern at Engages AI

August 1, 2023 - February 1, 2024

Contributed to Quickdesk CRM web app development. Developed frontend in React. Implemented backend with NestJS, PostgreSQL, Redis, and Alibaba ChatApp. Developed AI chatbots using the Rasa framework.