JM
Joel Macaroncio Jr.
Status: Open for Projects

Joel Macaroncio Jr.

Data Engineer, AI Developer & Tech Strategist

Empowering businesses with strategic planning, scalable data pipelines, and intelligent AI solutions. I turn complex data into actionable insights and build robust web applications.

Taguig, Metro Manila, Philippines
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About Me

Bridging Data, AI, and Business Strategy

Hello, I'm Joel Macaroncio Jr.

With a strong background in data engineering and intelligent systems, my primary goal is assisting business owners with strategic planning using my core skills. Let's transform your raw data into automated, AI-driven solutions that scale.

Whether it's building performant, multi-tenant dashboards, implementing automated workflows, or advising on technical roadmaps, I combine structural rigor with modern web aesthetics.

Strategic Business Planning
Scalable Data Pipelines
AI-Native Application Development
Process Automation
Joel Macaroncio Jr.
Value Proposition

What I Can Do For You

I help businesses develop data-driven ideas into production-ready Web and Mobile applications in the fastest and most efficient way possible.

ETL & Data Pipelines
As a Data Engineer, I architect robust, automated data ingestion and transformation pipelines. By leveraging scalable cloud infrastructure, I turn fragmented raw data into structured, real-time analytics that drive high-level strategic decisions.
Business Automation
I design and deploy intelligent, automated systems that eliminate manual bottlenecks. By seamlessly integrating third-party APIs with your core platforms, I ensure your operational workflows operate at peak, error-free efficiency.
Agentic AI Integration
I empower businesses with context-aware, autonomous AI agents. By orchestrating advanced LLMs, I embed intelligent productivity overlays directly into your existing ecosystem to multiply your team's output.
Full-Stack Web & Mobile
I rapidly prototype and build production-ready, highly performant web and mobile applications. Delivering continuous value through exceptional UX/UI and scalable backend architectures.
My Arsenal

Tools & Technologies

The specialized tools I utilize to orchestrate data pipelines, construct robust applications, and manage agile enterprise workflows.

Data & Backend

Google BigQuerySQLSupabaseREST APIs

Frontend & Mobile

Next.jsReact NativeTailwind CSS

AI & Automation

LLMsAgentic WorkflowsOpenAIPower Automate

Project Management & Comm

SlackMonday.comTeamsAzure DevOpsJira Align
Expertise

Core Skills

My technical toolkit is focused on data engineering, automation, AI integration, and full-stack web development.

Full-Stack Web Development
Building responsive, highly-performant web applications using Next.js, React, and Tailwind CSS (e.g., Virenesis, EXPENX).
  • Next.js & React 19 frameworks
  • Glassmorphic responsive UI layouts
  • State orchestration & edge caching
Mobile App Development
Creating cross-platform mobile experiences with React Native and Expo (e.g., Expense Tracker Mobile).
  • React Native & Expo wrappers
  • Offline data synchronization
  • Mobile budget visualization widgets
Backend & Database
Architecting scalable data solutions with Supabase, Google BigQuery, and robust REST integrations.
  • BigQuery warehouse modeling
  • Supabase authentication & databases
  • Robust API route schemas
Business Automation
Streamlining enterprise processes via Power Automate and custom API workflows, elevating business intelligence.
  • SharePoint CD release approval gates
  • Teams channel automated alerts
  • Python-backed ETL sync tasks
Credentials

Professional Certifications

Verified industry credentials validating expertise in analytical engineering and AI-native development workflows.

dbt Learn Fundamentals Badge
dbt Labs

dbt Learn Fundamentals

Validation of proficiency in analytics engineering, modular SQL data modeling, testing, documentation, and version-controlled data pipelines.

GitHub Copilot Certified Badge
GitHub Inc.

GitHub Copilot Certified

Validation of expertise in AI-assisted developer workflows, prompt optimization, coding productivity boosters, and generative AI engineering.

Career Journey

Professional Experience

Data Engineering Lead / Analyst

Accenture

Present

Leading data engineering projects using Google BigQuery. Architecting robust data pipelines, enabling automation via Power Automate, and delivering actionable analytics that drive business strategy.

Digital Marketing & Analytics

Digital Marketing Agency

Prior Role

Architected tracking solutions, managed marketing automation, and generated actionable business intelligence reporting to optimize campaign performance and ROI.

Operations & Management

Resorts World Manila

Early Career

Built a strong foundation in operations management, structured corporate processes, and oversaw early technical integrations for improved efficiency.

My Work

Featured Projects

A selection of my recent developments combining scalable data architecture with modern web design.

Virenesis Music Studio
Virenesis Music Studio

An AI-powered music generation dashboard and lyric studio pipeline leveraging ACE-Step 1.5 SFT models and Gemini 3.6 Flash for dual-track version generation, stem separation, and high-fidelity Fourier audio visualizers.

React 19ACE-Step 1.5Gemini 3.6 FlashWeb Audio APIVite
Case StudyVisit Live
Virenesis
Virenesis

A centralized, high-performance developer portal and experimental tools suite designed to present technical portfolios and articles.

Next.js 15Tailwind CSS v4Framer Motion
Case StudyVisit Live
EXPENX
EXPENX

A secure, offline-first personal finance tracker and dashboard providing real-time currency conversions and visual budgets.

React NativeSupabaseFinancial Analytics
Case StudyVisit Live
Khamba Travel and Tours
Khamba Travel and Tours

A full-scale travel operations command center automating marketing campaigns, ticketing ledgers, and passenger flight reminders.

Next.jsSupabaseGemini AIMeta API
Case StudyVisit Live
Enterprise Automation Pipeline
Enterprise Automation Pipeline

An end-to-end continuous deployment and automated workflow notification system integrating DevOps pipelines and chat webhooks.

Azure DevOpsGitHub ActionsApache AirflowPower AutomateTeams WebhooksSharePoint
Case StudyVisit Live
Enterprise Data Warehouse
Enterprise Data Warehouse

A centralized, highly optimized cloud data warehouse architected on Google BigQuery using a tiered star schema model.

BigQuerySQLETLData Modeling
Case StudyVisit Live