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I'm Musthafa Altaf, a full-stack developer with 3+ years of professional experience building scalable web and mobile applications using React.js, Next.js, Node.js and AWS. I specialize in architecting AI-powered systems (Agentic RAG) and HIPAA-compliant healthcare platforms. I co-founded and scaled a B2C/B2B marketplace from zero to 500+ users within 3 months, and I was recognized as a top-performing intern at The Estee Lauder Companies. I enjoy turning user insights into robust software and collaborating across cross-functional teams to ship value quickly.…I'm Musthafa Altaf, a full-stack developer with 3+ years of professional experience building scalable web and mobile applications using React.js, Next.js, Node.js and AWS. I specialize in architecting AI-powered systems (Agentic RAG) and HIPAA-compliant healthcare platforms. I co-founded and scaled a B2C/B2B marketplace from zero to 500+ users within 3 months, and I was recognized as a top-performing intern at The Estee Lauder Companies. I enjoy turning user insights into robust software and collaborating across cross-functional teams to ship value quickly.

Musthafa Altaf

Full Stack Developer, Web Developer, Back-End Developer, +3

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I'm Musthafa Altaf, a full-stack developer with 3+ years of professional experience building scalable web and mobile applications using React.js, Next.js, Node.js and AWS. I specialize in architecting AI-powered systems (Agentic RAG) and HIPAA-compliant healthcare platforms. I co-founded and scaled a B2C/B2B marketplace from zero to 500+ users within 3 months, and I was recognized as a top-performing intern at The Estee Lauder Companies. I enjoy turning user insights into robust software and collaborating across cross-functional teams to ship value quickly.…I'm Musthafa Altaf, a full-stack developer with 3+ years of professional experience building scalable web and mobile applications using React.js, Next.js, Node.js and AWS. I specialize in architecting AI-powered systems (Agentic RAG) and HIPAA-compliant healthcare platforms. I co-founded and scaled a B2C/B2B marketplace from zero to 500+ users within 3 months, and I was recognized as a top-performing intern at The Estee Lauder Companies. I enjoy turning user insights into robust software and collaborating across cross-functional teams to ship value quickly.

Available to hire

I’m Musthafa Altaf, a full-stack developer with 3+ years of professional experience building scalable web and mobile applications using React.js, Next.js, Node.js and AWS. I specialize in architecting AI-powered systems (Agentic RAG) and HIPAA-compliant healthcare platforms.

I co-founded and scaled a B2C/B2B marketplace from zero to 500+ users within 3 months, and I was recognized as a top-performing intern at The Estee Lauder Companies. I enjoy turning user insights into robust software and collaborating across cross-functional teams to ship value quickly.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Tamil

Beginner

Sinhala, Sinhalese

Beginner

Work Experience

Full-Stack Developer at Serendip

December 1, 2024 - Present

Developing fullstack applications using React.js, Next.js, Node.js, SQL, MongoDB, AWS. Building the brains and architecture behind Agentic RAG system for hitgirl.ai - a personalized AI document repository integrating with Google Drive, Dropbox and Microsoft. Developing React Native mobile application for institute.bmbfa.org - a community app for Black Mothers in the US.

Software Engineer at Auth Hero

March 1, 2025 - Present

A US healthcare application automating workers compensation insurance. Developing Next.js frontend, TRPC backend and React Native mobile app ensuring HIPAA compliance. Built the backend architecture using Azure Healthcare Service FHIR API and HL7 healthcare standards.

Co-Founder at Petville Sdn. Bhd.

December 1, 2023 - August 1, 2024

Developed responsive UI using React.js, Bootstrap and reacharts.js for a B2B platform, improving signups and user engagement. Built serverless backend using Google Cloud Functions, Node.js and connected with a SQL database. Gathered feedback from customers, prioritized roadmaps into user stories and onboarded customers onto the platform to ensure customer success.

Software Engineer at GreenHeart Sdn. Bhd

March 1, 2023 - November 30, 2023

Developed a healthcare app using React.js, Bootstrap and AWS to provide remote patient monitoring and improve healthcare accessibility. Led the project utilizing agile methodologies by conducting weekly standup meetings and gathering feedback from stakeholders. Directed team towards achieving key project goals on time by leveraging effective communication and project management techniques.

Software Engineer Intern at The Estee Lauder Companies

November 1, 2022 - February 28, 2023

Led a team of interns to be recognised as the best performing out of the 3 teams with our most effective solution. Developed a responsive E-Commerce mobile app for visually impaired users using React Native and Microsoft Azure cloud vision, ensuring accessibility and inclusivity. Led weekly meetings with key stakeholders (Jo Malone London) to provide weekly updates on our app, contribute UI ideas and collaborate with the team using JIRA to come up with optimal solutions.

Software Engineer at Monash University

February 1, 2022 - November 30, 2022

Utilized agile project management as a software engineer to deliver an internship management software in bi-weekly sprints. Developed responsive frontend UI/UX using Vue.js, Bootstrap and backend microservices architecture using Moleculer.js and MongoDB.

Software Engineer (Contract) at Auth Hero

March 1, 2025 - January 31, 2026

Led HIPAA compliance remediation by refactoring backend to Azure Healthcare Service FHIR API, integrating 25+ FHIR resources; built a multi-portal healthcare platform automating workers' compensation workflows across clinicians, employers, insurers, and patients; implemented frontend audit logging and automated RFA deadline tracking.

Software Engineer at GreenSheart Sdn. Bhd

March 1, 2023 - November 30, 2023

Built a real-time patient alerting system using AWS Lambda; contributed to a remote patient monitoring dashboard and improved UI for clinician monitoring; worked in a 4-person team across 24 Agile Sprints with production handoff.

Full-Stack Developer (full-time) at Serendip

December 1, 2024 - Present

Built the Agentic RAG pipeline for hitgirl.ai, improving query success rate from 50% to 90%+ and creating an asynchronous document ingestion pipeline using Python Celery and Docker, supporting 100,000+ documents per organization across 3 integrated sources (Google Drive, Dropbox, OneDrive). Developed full-stack authentication, chat interface, and file management for an AI-powered knowledge platform (hitgirl.ai), owning 100% of third-party integrations from architecture to deployment. Also redesigned backend (.NET) and UX for a community app (React Native), launching core features and growing the platform to 50+ monthly active users with 20+ signups per month and 100+ club members.

Software Engineer at GreenSHear t Sdn. Bhd

March 1, 2023 - November 1, 2023

Built a real-time patient alerting system using AWS Lambda monitoring 7 health metrics from smartwatch-connected patients, automatically notifying clinicians when readings exceeded safe thresholds. Contributed to a remote patient monitoring dashboard for elderly care and collaborated across a team of 4 engineers in 24 sprints to deliver the platform on schedule.