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Drefan Mardiawan

Full Stack Engineer | Enterprise Solution Architect | AI Engineer | Tech Leader

Sukabumi, Indonesia•mardiawandref@gmail.com•+62 85600610016•www.linkedin.com/in/dreflabs

Professional Summary

Seasoned Full Stack Engineer, Enterprise Solution Architect, and Technology Leader with a professional trajectory dating back to 2009. Graduated with a Diploma III in Informatics Management (2011), building an extensive 15+ year career primarily through direct, hands-on architectural experience. Proven track record across B2B SaaS, autonomous AI platforms, GovTech digital transformations, high-stakes cyber advisory, and public sector consulting. Served as Founder, CEO, Technology Consultant, and Chief Solution Architect with a relentless focus on zero-downtime SLA, data sovereignty, and clean code craftsmanship.

Core Competencies & Technical Skills

Architecture & Leadership: Enterprise Solution Architecture, GovTech Systems, RAG AI Infrastructure, Microservices, Data Sovereignty, Cyber Security Advisory

Frontend & Frameworks: React 19, Next.js 16, Vue, TypeScript, Tailwind CSS v4

Backend & Cloud: Node.js, TypeScript, Python, Go, REST, GraphQL, Gov Data Center Infra, NVIDIA H200 GPUs, PyTorch, vLLM, Vector DB, PostgreSQL, Drizzle ORM, Supabase, Redis, Docker

Professional Experience

DEMA DIGITAL ASIA — Chief Executive Officer & Principal Solution Architect2023 – Present

Challenge & Architecture: Architecting province-wide digital government transformation and deploying private enterprise AI infrastructure with total data sovereignty. Architected JNN Super App for Central Java Provincial Government Diskominfo and designed self-hosted NVIDIA H200 GPU compute infrastructure for Narrativa-X AI.
Enterprise Impact: Unified thousands of public services for citizens across Central Java Province and achieved sub-second local AI inference with zero data leakage.
Technologies: Next.js 16, React 19, Node.js, PostgreSQL, NVIDIA H200 GPUs, PyTorch, vLLM, Docker

ROCKATORY MINING & CV. INDOMINERAL SAMEKTHA — Managing Director & Operational Technology Lead2013 – 2022

Challenge & Architecture: Eliminating legacy monolithic bottlenecks, database deadlock timeouts, and high latency in high-traffic B2B web applications. Refactored monoliths into decoupled Node.js/Go microservices, implemented Redis distributed caching layers, and optimized PostgreSQL query indexing strategies.
Enterprise Impact: Reduced query latency by 60%, eliminated downtime during peak traffic events, and saved enterprise clients hundreds of thousands in cloud infrastructure overhead.
Technologies: Node.js, TypeScript, Go, Python, React, Vue, PostgreSQL, Redis, Docker, Nginx

PT. SURYA PRIMA TAMA MEGAH — Service Advisor & Systems Technician2009 – 2012

Challenge & Architecture: Maintaining hardware diagnostic integrity and IT customer operations under high service volume. Established automated IT diagnostic workflows and preventive systems maintenance protocols.
Enterprise Impact: Consistently achieved 98%+ customer satisfaction and laid the foundation for 15+ years of software architecture.
Technologies: IT Systems, Network Diagnostics, Hardware Integration, Service Operations

Government & Public Sector Leadership

Regional Development Acceleration Taskforce (TPPD) Central JavaGovTech Consultant

Advised regional government leadership on digital transformation, inter-agency data integration, and public service tech acceleration.

Food Security & Agricultural Data Consultant (Central Java)Data Integration Specialist

Architected food security tracking & agricultural commodity supply monitoring infrastructure for regional governance.

Public Communication & Civic IT Consultant (Sukabumi City)Civic Tech Consultant

Advised municipal leadership on public communication channels, digital governance platforms, and civic complaint response systems.

Cyber Security Advisory & Consulting

CCIC National Police HQ & Cyber Crime Unit (Central Java Police) — Cyber Security & Digital Forensics Advisory

High-trust technical advisory on cyber crime investigation infrastructure, digital evidence workflows, data analysis frameworks, and cyber threat monitoring.

PT. Sukabumi Eundeur Holding & Lambe Turah Group — Enterprise & Digital Media Systems Architect

Architected high-concurrency digital media systems, viral content analytics platforms, and corporate holding IT infrastructure.

Political Strategy & Digital Analytics Consultant (Central Java Election) — Data Analytics & Digital Campaign Strategist

Real-time voter sentiment analytics, digital communication strategies, and targeted campaign data integration.

Key Systems & SaaS Products Built

JNN Super App (GovTech & Public Service)

Province-wide Government Super App unifying thousands of public services (Central Java Province Diskominfo).

Tech: Next.js, Node.js, PostgreSQL, REST API, Gov Data Center

Narrativa-X AI (Private AI Infrastructure)

Self-hosted AI engine running on dedicated NVIDIA H200 GPU Cluster.

Tech: NVIDIA H200 GPU Cluster, PyTorch, vLLM, Vector DB

Sisa Bermakna APP (Sustainability & Social Enterprise)

Food waste reduction & surplus food redistribution platform.

Tech: Next.js, Node.js, PostgreSQL, Tailwind CSS

Sawarga Super App (GovTech & Public Service)

High-concurrency civic complaint tracking & public telemetry system serving millions of citizens.

Tech: Next.js 16, PostgreSQL, Drizzle ORM, Docker

MenuFlow ID (B2B SaaS / Hospitality POS)

Cloud QR ordering & inventory management SaaS for F&B enterprises.

Tech: Next.js, TypeScript, PostgreSQL, Supabase

HomeLink (PropTech & Real Estate Portal)

Property listing & tenant management enterprise portal.

Tech: React, TypeScript, Tailwind CSS, REST API

Education & Public Speaking

Diploma III in Informatics Management — Higher Education Foundation

Graduated 2011

Keynote Speaker: Diskominfo Central Java Keynote (Department of Communication & Information) — Inter-agency Government Data Integration, Enterprise Architecture & Data Governance Standards.