Julio Rojas

a full stack developer

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About

Here is a little background

Frontend-Leaning Full Stack Developer | Expert in React & Next.js | Engineering Scalable Web Apps with Java, Python & PostgreSQL

TimeLine

Full Stack Software Engineer

Few Bits LLC

April 2025 - April 2026

  • Built internal logistics platform using React, Next.js, Python, FastAPI, and PostgreSQL to manage fleet assets, shipments, and warehouse operations.
  • Integrated Python REST APIs with PostgreSQL to power real-time shipment tracking and asset filtering across the platform.
  • Developed barcode and QR scanning workflows for mobile asset management, handling camera permissions, duplicate scans, and slow connections.
  • Strengthened codebase resilience by implementing a comprehensive testing suite with Jest, React Testing Library, and Playwright.
  • Used Claude Code to accelerate refactoring, generate test scaffolding, and maintain high development velocity.
  • Managed Next.js production builds and AWS S3 + CloudFront deployments across staging and production environments.

Introduction to Containers w/ Docker, Kubernetes & OpenShift

Coursera

May 2025 - June 2025

Continuous Integration and Continuous Delivery (CI/CD)

Coursera

May 2025 - May 2025

AWS Cloud Quest: Cloud Practitioner

Amazon Web Services Training and Certification

March 2025 - March 2025

Software Engineer II

Technergetics

April 2023 - December 2024

  • Implemented a full-stack permission-based access control system using Java, Spring Boot, and PostgreSQL, enforcing secure role-based access via dynamic React components.
  • Built Spring Boot REST APIs and Spring Data JPA with Hibernate to resolve user permissions at runtime and enforce authorization on every request.
  • Built a chat-style AI interface for querying satellite imagery data with real-time streaming responses and persistent conversation state.
  • Refactored 2,000+ line legacy files into modular components, improving developer onboarding speed by 25%.
  • Boosted application performance by 30% through lazy loading, memoization, and bundle splitting.
  • Used Cursor and AI-assisted tools to accelerate the development lifecycle while maintaining high code quality standards.

Frontend Web Developer

Shurable Inc

March 2021 - April 2023

  • Developed responsive UI components using React, Next.js, Tailwind CSS, and Material UI, translating Figma designs into production-ready accessible components.
  • Reduced initial page load times by 45% by implementing Server-Side Rendering (SSR) in Next.js, improving SEO and data-fetching efficiency.
  • Built a dynamic product system using GraphQL APIs and integrated Stripe payments and Google Maps API for location-based features.
  • Deployed Sanity headless CMS for structured content management, cutting content update times by 50%.
  • Ensured WCAG-compliant accessibility with semantic HTML, ARIA roles, and full keyboard navigation.

Version Control

Coursera

January 2023 - January 2023

React Basics

Coursera

January 2023 - January 2023

HTML and CSS in depth

Coursera

December 2022 - January 2023

Programming with JavaScript

Coursera

December 2022 - December 2022

Introduction to Front-End Development

Coursera

December 2022 - December 2022

AWS Certified Cloud Practitioner

Amazon Web Services

October 2021 - October 2021

HTML, CSS, and Javascript for Web Developers

Coursera

September 2021 - October 2021

Bachelor of Science in Computer Science

New Jersey Institute of Technology

January 2019 - August 2021

Assistant to Enterprise Storage Team

Memorial Sloan Kettering Cancer Center

May 2018 - April 2020

  • Monitored server inventory and assisted in the physical installation of new servers to ensure accurate tracking and network connectivity.
  • Managed Windows and Linux infrastructure including system upgrades, migrations, and capacity planning.
  • Identified underutilized systems and led decommissioning efforts, reducing costs and improving data center efficiency

Associate in Science, Major in Computer Science

Bergen Community College

September 2015 - December 2018

Skills

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Projects

AI Agent

Case Study 1 of 5: AI Agent

An AI-powered platform that helps YouTube creators boost their content with smart tools like transcription, viral scripts, and AI-driven insights—all designed to make creating easier and more effective.

Mock Interview Platform

Case Study 2 of 5: Mock Interview Platform

Prepwise is an AI-driven interview prep platform that simulates realistic voice-based interviews using Vapi and Google Gemini. Built with Next.js, TailwindCSS, and Firebase, it offers real-time feedback, detailed transcripts, and smart guidance to help users improve performance in a sleek, modern interface.

Amazon Clone

Case Study 3 of 5: Amazon Clone

This code is an amazon clone where you can buy items and see your past orders by using Stripe. The program will also save items in your cart until you place an order.

Ebay Clone

Case Study 4 of 5: Ebay Clone

This code is an eBay clone where users can buy / auction NFTs using crypto money. Users can also mint/add NFTs to their list and list those NFTs so people can buy or auction those NFTs. All information is stored in thirdweb.

Reddit Clone

Case Study 5 of 5: Reddit Clone

This code is a Reddit clone where you can make posts, like or dislike, and comment. All the Data is saved in Supabase, a PostgreSQL database.

Contact