José – React, Typescript, Next.js, experts in Lemon.io

José

From Mexico (UTC-6)flag

Front-end Web Developer|Senior
Full-stack Web Developer|Senior
Back-end Web Developer|Senior

José – React, Typescript, Next.js

José de Jesús is a Senior Full-stack engineer with strong frontend expertise in React, Next.js, TypeScript, and Node.js, and proven technical leadership. He demonstrates advanced skills in frontend architecture, system design, and AI-assisted engineering, with hands-on experience leading cross-functional teams and building scalable applications. His communication and collaboration abilities are excellent, and he maintains a pragmatic, quality-focused approach to technology choices. Areas for improvement include refreshing advanced TypeScript and core JavaScript knowledge.

11 years of commercial experience
Main technologies
React
8 years
Typescript
8 years
Next.js
5 years
Node.js
8 years
Additional skills
React Native
Tailwind CSS
Express.js
Redux
Material UI
i18next
Direct hire
Possible
Ready to get matched with vetted developers fast?
Let’s get started today!

Experience Highlights

Frontend Tech Lead
Apr 2025 - Sep 20261 year 5 months
Project Overview

An offline-first field operations platform for a car wash chemical services provider, enabling chemical technicians to capture service data on iPads without connectivity and automatically sync it once they are back online. A back-office view transforms field data into actionable insights across the provider’s portfolio of car wash locations.

Responsibilities:
  • Led the frontend team: defined the architecture, engineering standards, and technical roadmap, and turned product vision into shippable milestones;
  • Designed and built the offline-first architecture for iPads, enabling uninterrupted data capture and conflict-free sync in low- or no-connectivity environments;
  • Kept the app lightweight and responsive while supporting complex offline and sync logic;
  • Translated detailed Figma specs into a pixel-perfect, responsive UI for both field (iPad) and back-office use;
  • Worked with backend, product, design, and field operations to turn real technician workflows into one unified product.
Project Tech stack:
React
React Native
Node.js
Tailwind CSS
Typescript
Senior Frontend Engineer
Oct 2024 - Mar 20255 months
Project Overview

A unified web suite for an e-commerce marketplace, replacing a legacy platform through a gradual migration to a fullstack monorepo. The new architecture combines frontend and backend into a single codebase to improve release speed, code reuse, and platform stability while keeping the legacy marketplace operational throughout the transition.

Responsibilities:
  • Kept the legacy platform stable during the migration by resolving critical issues and applying performance optimizations;
  • Planned and executed the migration of legacy features into the new web suite together with cross-functional teams;
  • Built and maintained features in a monorepo combining a Next.js/React frontend and Node.js/Express backend, with shared code quality standards;
  • Managed CI/CD pipelines for automated deployments and applied security best practices using Azure Front Door;
  • Built responsive, high-performance interfaces using Redux and Context API.
Project Tech stack:
Next.js
React
Typescript
Tailwind CSS
Redux
Node.js
Express.js
Senior Frontend Engineer
May 2024 - Oct 20245 months
Project Overview

A supplier portal for a major sports merchandise retailer, enabling vendors to manage complex operational workflows through a centralized web application. The portal integrated with the retailer’s Oracle-based systems through secure data exchange, providing suppliers with streamlined access to core business processes.

Responsibilities:
  • Acted as application architect and designed the end-to-end frontend and backend architecture of the portal;
  • Built a responsive interface that simplified complex supplier workflows;
  • Integrated external systems, including Oracle, through a GraphQL layer with secure data exchange and optimized data fetching;
  • Set up CI/CD pipelines and the module bundling strategy for reliable automated deployments;
  • Turned business requirements into technical solutions together with backend, product, and QA teams.
Project Tech stack:
React
Next.js
Typescript
Node.js
Express.js
Redux
Senior Frontend Engineer
Apr 2023 - Mar 202411 months
Project Overview

A secure wealth management platform for families, bringing portfolio insights, document management, and financial reporting into a single application. The flagship product was rebuilt as a fullstack platform to improve performance, security, and development speed while providing a unified experience for managing financial information.

Responsibilities:
  • Architected and built the new fullstack application that unified portfolio insights, document management, and reporting;
  • Implemented GraphQL for efficient data querying across financial data modules;
  • Improved client- and server-side performance through state management optimizations and security best practices;
  • Integrated frontend and backend in a monorepo, improving consistency and development efficiency;
  • Set up CI/CD pipelines and cloud deployments on AWS and Azure.
Project Tech stack:
Next.js
React
i18next
Typescript
Express.js
Redux
Material UI

Education

2014
Computer Science
Bachelor's degree

Languages

English
Advanced

Hire José or someone with similar qualifications in days
All developers are ready for interview and are are just waiting for your requestdream dev illustration
Copyright © 2026 lemon.io. All rights reserved.