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I'm Bryan Dominic Mangle Pampanga, a Senior Full-Stack Engineer with 7+ years of experience building and scaling production-grade applications on a TypeScript/Python stack (React, Next.js, NestJS). I design robust architectures, lead cross-functional teams, and ship AI-powered features that deliver real business impact. I thrive at the intersection of Generative AI, cloud-native infrastructure, and modern web technologies, turning complex problems into reliable, measurable solutions. I specialize in API design (REST/GraphQL), real-time systems, and AI-driven automation to drive value for clients and stakeholders. My strengths include solution design, technical prioritization, and close collaboration with product, design, and operations to move initiatives from concept to deployment with quality and speed.…I'm Bryan Dominic Mangle Pampanga, a Senior Full-Stack Engineer with 7+ years of experience building and scaling production-grade applications on a TypeScript/Python stack (React, Next.js, NestJS). I design robust architectures, lead cross-functional teams, and ship AI-powered features that deliver real business impact. I thrive at the intersection of Generative AI, cloud-native infrastructure, and modern web technologies, turning complex problems into reliable, measurable solutions. I specialize in API design (REST/GraphQL), real-time systems, and AI-driven automation to drive value for clients and stakeholders. My strengths include solution design, technical prioritization, and close collaboration with product, design, and operations to move initiatives from concept to deployment with quality and speed.

Bryan Dominic Mangle Pampanga

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm Bryan Dominic Mangle Pampanga, a Senior Full-Stack Engineer with 7+ years of experience building and scaling production-grade applications on a TypeScript/Python stack (React, Next.js, NestJS). I design robust architectures, lead cross-functional teams, and ship AI-powered features that deliver real business impact. I thrive at the intersection of Generative AI, cloud-native infrastructure, and modern web technologies, turning complex problems into reliable, measurable solutions. I specialize in API design (REST/GraphQL), real-time systems, and AI-driven automation to drive value for clients and stakeholders. My strengths include solution design, technical prioritization, and close collaboration with product, design, and operations to move initiatives from concept to deployment with quality and speed.…I'm Bryan Dominic Mangle Pampanga, a Senior Full-Stack Engineer with 7+ years of experience building and scaling production-grade applications on a TypeScript/Python stack (React, Next.js, NestJS). I design robust architectures, lead cross-functional teams, and ship AI-powered features that deliver real business impact. I thrive at the intersection of Generative AI, cloud-native infrastructure, and modern web technologies, turning complex problems into reliable, measurable solutions. I specialize in API design (REST/GraphQL), real-time systems, and AI-driven automation to drive value for clients and stakeholders. My strengths include solution design, technical prioritization, and close collaboration with product, design, and operations to move initiatives from concept to deployment with quality and speed.

Available to hire

I’m Bryan Dominic Mangle Pampanga, a Senior Full-Stack Engineer with 7+ years of experience building and scaling production-grade applications on a TypeScript/Python stack (React, Next.js, NestJS). I design robust architectures, lead cross-functional teams, and ship AI-powered features that deliver real business impact. I thrive at the intersection of Generative AI, cloud-native infrastructure, and modern web technologies, turning complex problems into reliable, measurable solutions.

I specialize in API design (REST/GraphQL), real-time systems, and AI-driven automation to drive value for clients and stakeholders. My strengths include solution design, technical prioritization, and close collaboration with product, design, and operations to move initiatives from concept to deployment with quality and speed.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Senior Fullstack Engineer at NEU DESIC

December 1, 2023 - February 1, 2026

Led architectural design and implementation of scalable, AI-driven solutions using Generative AI, improving public-sector client workflows by 50% and accelerating project delivery by 30% through backlog refinement and cross-functional collaboration. Conducted comprehensive technical prioritization with cross-functional teams, reducing bottlenecks and improving delivery timelines across multiple workstreams while upholding high engineering standards. Designed and launched an AI-powered documentation system using LangChain, OpenAI, and Pinecone vector database, automating 85% of manual data entry and delivering $200K annual cost savings with 90% accuracy. Built a real-time collaboration platform with Next.js, WebSocket, and Kafka, supporting 100K+ concurrent users with sub-200ms latency across global regions. Optimized GraphQL API layer and database queries through strategic caching (Redis) and indexing strategies, reducing average API response time by 70% (from 800ms to 240ms) and lower

Fullstack Developer at Sapphire

September 1, 2020 - November 1, 2023

Led solution design initiatives integrating LLM and RAG methodologies enabling rapid feature deployment aligned with client needs, resulting in a 25% increase in client satisfaction. Implemented RESTful API with Express and PostgreSQL supporting 500K+ daily requests across 20+ endpoints. Built a responsive admin dashboard using React and Redux, reducing customer support tickets by 40%. Collaborated with product and design teams to deliver a mobile-first e-commerce platform, increasing mobile conversions by 25%. Refactored legacy jQuery codebase to React components, improving page load time by 3 seconds and reducing bundle size by 45%. Created automated testing suite with Jest and Cypress achieving 80% code coverage and catching 30+ bugs pre-production.

Fullstack Developer at PLDT

June 1, 2018 - August 1, 2020

Built user authentication system using Node.js, Express, and JWT for a SaaS serving 20,000+ users. Implemented responsive landing pages with React and TailwindCSS, improving mobile user engagement by 30%. Developed REST API endpoints handling user data and file uploads using Express and MongoDB. Contributed to e-commerce platform by implementing shopping cart functionality with Redux state management.