Julio Rojas

a frontend engineer

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About

Here is a little background

Detail-oriented Front-End Engineer with 4+ years of experience specializing in React, Next.js, TypeScript, and Tailwind CSS. Skilled in building responsive, accessible, and high-performance web apps. Experienced in full-stack development (Java Spring Boot, Node.js, PostgreSQL), Figma design implementation, headless CMS (Sanity), and cloud workflows (AWS, CI/CD). Focused on optimizing UI/UX, frontend performance, and delivering scalable, user-friendly solutions. Passionate about clean code and WCAG accessibility compliance.

TimeLine

Introduction to Containers w/ Docker, Kubernetes & OpenShift

Coursera

May 2025 - June 2025

Continuous Integration and Continuous Delivery (CI/CD)

Coursera

May 2025 - May 2025

Software Engineer II

Technergetics

April 2023 - May 2025

  • Architected and implemented a Role-Based Access Control (RBAC) system with dynamic permissions, including responsive React components for real-time role management, a tracking system for monitoring role changes, and enhanced RESTful APIs to enforce secure, permission- based backend access.
  • Developed a chat-style status update feature to display live system events and user actions, improving transparency and collaboration across the platform.
  • Eliminated prop drilling and reduced boilerplate by ~30% by implementing Zustand for state management and React Hook Form for complex forms, resulting in cleaner, more maintainable code.
  • Refactored 2,000+ line legacy files into modular, maintainable components, improving onboarding speed by 25% and developer productivity.
  • Built and maintained a design system and reusable UI libraries (React, Tailwind, MUI), ensuring consistency and accelerating feature delivery by 35%.
  • Applied frontend optimizations (lazy loading, memoization, bundle splitting), reducing load times by ~40%.
  • Utilized AI coding assistants like Cursor to enhance code quality and accelerate frontend and backend feature delivery, improving development efficiency and reducing errors.

AWS Cloud Quest: Cloud Practitioner

Amazon Web Services Training and Certification

March 2025 - March 2025

Jr. Frontend Website Development

Shurable Inc

January 2021 - March 2023

  • Developed fully responsive, pixel-perfect UI components using React, Next.js, Tailwind CSS, and Material UI, ensuring cross-device/browser compatibility.
  • Implemented Figma-based designs by collaborating with UX/UI teams, translating prototypes into production-ready, accessible React components.
  • Used Redux for state management across complex product workflows and internal dashboards. • Developed a full product page system with dynamic filters and visual layouts tied to real-time data via GraphQL APIs.
  • Integrated Stripe for secure payments and Google Maps API for interactive, location-based features.
  • Implemented Server-Side Rendering (SSR) in Next.js (Node.js runtime), improving SEO rankings, reducing initial page load time by ~45%, and enhancing data-fetching efficiency.
  • Ensured WCAG-compliant accessibility (semantic HTML, ARIA roles, 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

  • Automated server configuration, backups, and monitoring, increasing operational uptime and reducing manual workload through streamlined DevOps practices.
  • Managed and supported Windows and Linux-based infrastructure, assisting with system upgrades, migrations, and capacity planning to ensure scalability and stability.
  • Identified underutilized systems and led server decommissioning efforts, reducing costs and improving overall data center efficiency.
  • Identified underutilized systems and led server decommissioning efforts, reducing costs and improving overall 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 6: 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 6: 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.

CAM Ventures

Case Study 3 of 6: CAM Ventures

Built a full-stack application to normalize, visualize, and explore GSA property data. Implemented Excel data ingestion, street-level building maps, and interactive dashboards for owned and leased assets with CI/CD deployment via GitHub Actions and Render.

Amazon Clone

Case Study 4 of 6: 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 5 of 6: 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 6 of 6: 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