Hi, I'm Jeremy Bacca

Senior Full Stack Software Engineer

7+ years experience in React, Next.js, Angular & TypeScript, specializing in scalable web applications, software architecture and team leadership.

About Me

Senior Full Stack Software Engineer
Jeremy Bacca - Software Engineer

Senior Full Stack Software Engineer with 7+ years of experience designing, developing and leading enterprise web applications using React, Next.js, TypeScript, Node.js, Express and MongoDB. Experienced building scalable frontend architectures, RESTful APIs, authentication systems, reusable component libraries, Progressive Web Applications (PWAs), cloud deployments and modern CI/CD pipelines. Strong background in frontend leadership, backend API development, database design, performance optimization, accessibility, SEO, responsive design and software architecture. Proven ability to collaborate with cross-functional teams while delivering high-quality software in Agile environments.

7+ Years of experience
Software Engineering
5+ Companies
Worked with
50+ Projects
Completed

Experience

Professional Journey

Pet QR Identification Platform

Freelance

Full Stack Developer

  • Designed and developed a full stack platform allowing pet owners to create digital pet profiles accessible through QR codes
  • Improved Lighthouse score, bundle size and SEO optimization
  • Implemented multilingual applications and Progressive Web Application (PWA)
  • Developed RESTful APIs using Node.js, Express.js and TypeScript
  • Deployed and maintained production services using Fly.io, Vercel and cloud-based infrastructure
  • Implemented authentication workflows including registration, login, password recovery, email verification and two-factor authentication
React Next.js TypeScript Node.js MongoDB PWA

Moonhi

2024 – Present

Frontend Technical Lead / Software Developer Engineer

  • Lead development of enterprise web applications using React, Next.js and TypeScript, reducing feature delivery time by 35%
  • Optimize application performance using lazy loading, memoization, image optimization and modern React patterns
  • Collaborate with Product Managers, UX/UI Designers and Backend Engineers to transform business requirements into scalable software solutions
  • Built frontend wallet interfaces supporting multiple payment methods including fiat and cryptocurrency wallets
React Next.js TypeScript Wallet Integration

Jazz Gaming Services

2022 – 2024

Frontend Technical Lead / Web Developer

  • Developed enterprise web applications using Angular and TypeScript
  • Developed scalable casino platform interfaces supporting authentication, multilingual experiences, game providers, wallet management and responsive layouts
  • Contributed to scalable frontend architecture and maintainable codebases
Angular TypeScript Angular Material

La Creativería

Dec 2021 – Aug 2022

Web Developer / React Native Developer

  • Identified development bottlenecks and improved application performance by up to 45%
  • Built responsive web and mobile interfaces in collaboration with UX/UI designers
  • Contributed to mobile development using React Native
React React Native TypeScript

Golden CR

2018 – 2021

Angular Developer

  • Developed and maintained enterprise web applications using Angular
  • Migrated legacy systems to modern Angular versions, improving maintainability
  • Built reusable UI components using Angular Material
Angular Angular Material TypeScript

Skills

My technical level

Frontend Development

React, Next.js, Angular, TypeScript

JavaScript / TypeScript

95%

React / Next.js

95%

Angular

90%

React Native

80%

CSS / SCSS / Tailwind

92%

Backend Development

Node.js, Express, REST APIs, Databases

Node.js / Express

92%

MongoDB / Mongoose

88%

REST APIs / JWT / Auth

90%

MySQL / Firebase

85%

Cloud & DevOps

Cloud Solutions, CI/CD, Deployments

Vercel / Fly.io

90%

Azure DevOps / CI/CD

85%

Cloudinary / Firebase

85%

Git / GitHub / Docker

90%

Architecture & Performance

System Design, Optimization, Accessibility

Component-Based Architecture

95%

Web Performance Optimization

90%

Accessibility (a11y) / SEO

88%

Design Systems / PWAs

90%

Qualification

My personal journey
Education
Work

Cenfotec University

Superior Web Developer Technician
2015 - 2017

Udemy Certification

Scrum Methodologies
2022

Liceo San Miguel Desamparados

High School
2008 - 2013

Pet QR Identification Platform

Full Stack Developer (Freelance)
2023 - Present

Moonhi

Frontend Technical Lead
2024 - Present

Jazz Gaming Services

Frontend Technical Lead
2022 - 2024

La Creativería

Web / React Native Developer
2021 - 2022

Golden CR

Angular Developer
2018 - 2021

Services

What I do

Frontend
Development

View More

Frontend
Development Services

  • Single Page Applications (SPA) - React, Next.js, Angular, Vue.js development

  • Server Side Rendering (SSR) - Next.js for SEO optimization and performance

  • Progressive Web Apps (PWA) - Offline functionality & app-like experience

  • Component Libraries & Design Systems - Reusable UI components with Storybook

  • Performance Optimization - Code splitting, lazy loading, bundle optimization

  • State Management - Redux, Context API, NgRx, Zustand implementation

  • Accessibility (a11y) - WCAG compliant, screen reader friendly

Technologies I Use:
React.js Next.js Angular TypeScript Redux Tailwind CSS Material-UI Jest Webpack

Backend
Development

View More

Backend
Development Services

  • RESTful API Development - Scalable and secure API architecture

  • Authentication & Authorization - JWT, OAuth, two-factor authentication

  • Microservices Architecture - Scalable and maintainable service design

  • File Upload & Storage - Cloud storage integration (AWS S3, Cloudinary)

  • Email Services & Push Notifications - Nodemailer, cron jobs

  • Database Design - MongoDB, Mongoose, MySQL, Firebase

Technologies I Use:
Node.js Express.js MongoDB PostgreSQL MySQL Firebase Docker AWS

Portfolio

Most recent projects
Pet QR Platform

Pet QR Identification Platform

Full stack platform allowing pet owners to create digital pet profiles accessible through QR codes. Features multilingual support, PWA, authentication, and image management.

React Next.js TypeScript Node.js MongoDB
Demo
Wallet Interface

Enterprise Wallet Interface

Frontend wallet interface supporting multiple payment methods including fiat and cryptocurrency wallets, secure workflows and REST API integrations.

React Next.js TypeScript Wallet API
Demo
Casino Platform

Casino Platform Interface

Scalable casino platform supporting authentication, multilingual experiences, game providers, wallet management and responsive layouts.

Angular TypeScript Angular Material
Demo

You have a new project

Contact me now and get a 30% discount on your new project.

Contact Me

Contact Me

Get in touch

Call Me

+506 7016-0434

Email me

jerebac@hotmail.com

Location

Desamparados San José Costa Rica