Full Stack Engineer

Harvard CS50x certified

JN Gonzales

Building SaaS & Data-Driven Products

I ship production-ready web apps with Next.js, TypeScript, Python & PostgreSQL.Focused on performance, clean code, and real user impact.

About Me

Full Stack Engineer • Harvard CS50x • 7× HackerRank Certified

Full Stack Engineer

Cavite, Philippines

I build SaaS products, internal tools, and data-driven dashboards. My focus is on shipping maintainable code that solves real problems—whether it's a deal management platform or a high-performance web app serving thousands of users.

2025

CS50x Certification

2025

DealFlow SaaS

2025

HackerRank Certs

2025

Portfolio Launch

Tech Stack

23 technologies

Next.js
React
TypeScript
Python
Django
FastAPI
Go
SQL
REST APIs
Tailwind
Node.js
Git
Docker
Supabase
Vercel
AWS
Linux
Figma
Postman
Framer Motion
React Query
Zod
Shadcn UI
Next.js
React
TypeScript
Python
Django
FastAPI
Go
SQL
REST APIs
Tailwind
Node.js
Git
Docker
Supabase
Vercel
AWS
Linux
Figma
Postman
Framer Motion
React Query
Zod
Shadcn UI
Shadcn UI
Zod
React Query
Framer Motion
Postman
Figma
Linux
AWS
Vercel
Supabase
Docker
Git
Node.js
Tailwind
REST APIs
SQL
Go
FastAPI
Django
Python
TypeScript
React
Next.js
Shadcn UI
Zod
React Query
Framer Motion
Postman
Figma
Linux
AWS
Vercel
Supabase
Docker
Git
Node.js
Tailwind
REST APIs
SQL
Go
FastAPI
Django
Python
TypeScript
React
Next.js
REST APIs
Tailwind
Node.js
Git
Docker
Supabase
Vercel
AWS
Linux
Figma
Postman
Framer Motion
React Query
Zod
Shadcn UI
Next.js
React
TypeScript
Python
Django
FastAPI
Go
SQL
REST APIs
Tailwind
Node.js
Git
Docker
Supabase
Vercel
AWS
Linux
Figma
Postman
Framer Motion
React Query
Zod
Shadcn UI
Next.js
React
TypeScript
Python
Django
FastAPI
Go
SQL

Core Focus

Full StackBackend ArchitectureAPI Design
VERIFIED CREDENTIALS

CS50: Computer Science

Harvard University

Mastery in C, Python, SQL, and Algorithms. Completed intensive coursework covering memory management, data structures, and full-stack web development.

CS50xCS50P
Interactive Terminal— type 'help' to explore
jn@portfolio:~
Welcome to JN's Terminal. Type "help" to start.
$

Selected work

Product-focused systems across real estate, automation, and learning.

DealFlow product interface

DealFlow

Featured

Real-estate investment workspace for underwriting, approval workflows, team collaboration, and shareable deal analysis.

Contribution: Designed and built the full product: analysis tools, role-aware workflows, PWA experience, and AI-assisted deal scoring.

Next.jsTypeScriptSupabaseGeminiTailwind CSS

Case study available on request.

LEARNING PRODUCTS

French Fluency Forge

Featured

Learning platform combining spaced repetition, assessment, progress tracking, and AI-supported language practice.

Contribution: Built learner and admin flows, Supabase-backed data models, and tested learning workflows across a production-grade app.

ReactTypeScriptSupabasePlaywrightTailwind CSS

Case study available on request.

SAAS & DATA

Deutschland Immobilien Portal

Featured

German real-estate listing portal built for structured content management and a fast, accessible property-search experience.

Contribution: Implemented the modern frontend and CMS-driven architecture for maintainable property publishing and discovery.

Next.js 16TypeScriptPayload CMSTailwind CSS

Case study available on request.

Browse all projects
DealFlow product interface

DealFlow

Featured

Real-estate investment workspace for underwriting, approval workflows, team collaboration, and shareable deal analysis.

Contribution: Designed and built the full product: analysis tools, role-aware workflows, PWA experience, and AI-assisted deal scoring.

Next.jsTypeScriptSupabaseGeminiTailwind CSS

Case study available on request.

LEARNING PRODUCTS

French Fluency Forge

Featured

Learning platform combining spaced repetition, assessment, progress tracking, and AI-supported language practice.

Contribution: Built learner and admin flows, Supabase-backed data models, and tested learning workflows across a production-grade app.

ReactTypeScriptSupabasePlaywrightTailwind CSS

Case study available on request.

SAAS & DATA

Deutschland Immobilien Portal

Featured

German real-estate listing portal built for structured content management and a fast, accessible property-search experience.

Contribution: Implemented the modern frontend and CMS-driven architecture for maintainable property publishing and discovery.

Next.js 16TypeScriptPayload CMSTailwind CSS

Case study available on request.

AUTOMATION

Property Research Engine

Automated property research pipeline that enriches public records and moves qualified data into CRM-ready workflows.

Contribution: Developed the automation and enrichment workflow to reduce manual research across real-estate operations.

PythonAutomationPublic RecordsCRM

Case study available on request.

AUTOMATION

WhatsApp-GHL Bridge

Messaging middleware that connects WhatsApp conversations with CRM records, queued delivery, and AI lead qualification.

Contribution: Engineered webhook validation, CRM synchronization, queue-backed messaging, and production health checks.

Node.jsExpressRedisPostgreSQLOpenAI

Case study available on request.

Let's Work Together

Building a SaaS product or need a senior engineer? I'd love to hear about your project.

Currently open for freelance & remote roles

Location

Cavite, Philippines

I'm currently open to freelance opportunities and full-time positions. Whether you have a question or just want to say hi, I'll do my best to get back to you!