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Senior Frontend Engineer

Senior Software Engineer with 9+ years of experience building scalable React and Next.js applications, enterprise SaaS platforms, and reusable frontend architectures.

React • Next.js • TypeScript • Frontend Architecture

Glaudys Nuñez

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Coding

What I Bring

9+ years building scalable React and Next.js applications, enterprise SaaS platforms, and reusable frontend architectures

  • Frontend Architecture

    Scalable React and Next.js applications, reusable component systems, and maintainable frontend architectures.

  • Design Systems

    Shared component libraries, Storybook, design tokens, accessibility, and consistent user experiences.

  • Performance

    SSR, Core Web Vitals, rendering optimization, SEO, and production performance improvements.

  • Technical Leadership

    Architecture discussions, code reviews, mentoring, cross-functional collaboration, and reliable releases.

Tech Stack

  • Programming Languages

    JavaScript, TypeScript, Python, HTML5, CSS3

  • Frontend

    React.js, Next.js, Redux, Redux Saga, Redux Toolkit, React Query

  • Backend & Databases

    Node.js, Python, PostgreSQL

  • UI & Styling

    Tailwind CSS, CSS, SCSS, Styled Components, Storybook, Responsive Design, Accessibility

  • CMS

    Contentful, WordPress

  • AI & Automation

    OpenAI API, Agents SDK, Prompt Engineering, AI-assisted Development

  • Testing & Optimization

    Jest, React Testing Library, Playwright, Unit Testing, Performance Optimization

  • Cloud & DevOps

    AWS (Amplify, S3, Cognito), Docker, GitHub Actions, GitLab CI/CD

  • API Development & Integration

    REST APIs, GraphQL, Third-party APIs (Payments, Travel, Logistics, AI)

  • Tools

    Git, Figma, Jira, Nx

Professional Experience

Independent Software Engineer

Remote • Jun 2025 - Present
  • Deliver software solutions through independent projects and fixed-term contract engagements.
  • Build scalable SaaS applications, backend services, and modern web platforms.
  • Develop production-ready applications using React, Next.js, TypeScript, Python, and Node.js.
  • Collaborate with distributed engineering teams to deliver reliable, maintainable software.

Tech Stack: React.js, Next.js, TypeScript, Node.js, Python, FastAPI, GraphQL, PostgreSQL, Docker, OpenAI API

MoneyGram – Software Engineer (Contract)

Remote • Feb 2025 - Jul 2026
  • Developed enterprise fintech applications using React and TypeScript.
  • Built scalable UI features integrated with REST and GraphQL APIs.
  • Collaborated with Product, QA, UX, and backend engineering teams throughout the SDLC.
  • Participated in code reviews, testing, debugging, CI/CD, and production deployments.
  • Improved application performance, reliability, and long-term maintainability.

Tech Stack: React.js, TypeScript, GraphQL, REST APIs, GitLab CI/CD, Storybook

Quorum Software – Software Engineer L3

Hybrid • Dec 2023 - Jan 2025
  • Maintained and scaled enterprise SaaS applications for global energy companies.
  • Built reusable TypeScript features and collaborated on GraphQL integrations.
  • Developed integration and end-to-end tests to improve production quality.
  • Participated in architecture discussions, code reviews, and mentoring.
  • Leveraged GitHub Copilot to improve engineering productivity.

Tech Stack: React.js, TypeScript, GraphQL, Elixir, PostgreSQL, Docker, GitHub Copilot

Talent.com – Senior Frontend Engineer

Remote • Jun 2021 - Nov 2023
  • Built and maintained a shared UI component library within a large Nx monorepo.
  • Developed reusable React and Next.js components using TypeScript and Storybook.
  • Collaborated closely with backend engineers integrating REST and GraphQL APIs.
  • Improved application performance, SEO, and maintainability.
  • Participated in architecture discussions, code reviews, and mentoring.

Tech Stack: React.js, Next.js, TypeScript, Nx, Storybook, Styled Components, Node.js, Jest

AKE Lab – Technical Lead / Senior Frontend Engineer

Remote • Jul 2020 - Jun 2021
  • Led frontend development for SaaS products in healthcare and lifestyle.
  • Designed scalable React architectures and reusable UI components.
  • Developed Python services and integrated GraphQL APIs, AWS Cognito authentication, and Oracle SQL workflows.
  • Guided architecture decisions, code reviews, mentoring, and engineering best practices.

Tech Stack: React.js, Redux, TypeScript, Python, Node.js, GraphQL, AWS Cognito, Oracle SQL

Soprano Agency – Fullstack Web Developer

Remote • Mar 2019 - Jul 2020
  • Built custom business applications and enterprise websites.
  • Developed React frontends and backend services using Python, Node.js, and PHP.
  • Integrated REST APIs, WordPress, Contentful, authentication, and payment services.
  • Improved SEO, accessibility, responsive design, and website performance.

Tech Stack: React.js, JavaScript, Python, Node.js, PHP, REST APIs, MySQL, WordPress, Contentful

Freelance Software Engineer

Remote • Jun 2017 - Mar 2020
  • Built responsive web applications and custom software solutions for startups and small-to-medium businesses.
  • Developed React and JavaScript interfaces integrated with Python and Node.js backend services.
  • Implemented REST API integrations, authentication flows, payment gateways, and CMS-based solutions.
  • Managed projects from requirements and development through deployment and maintenance.

Tech Stack: React.js, JavaScript, Node.js, Python, REST APIs, MySQL, WordPress, Responsive Design

Featured Projects

Habituum — Habit Tracking Platform

2026 - https://habituum.app/

A modern habit tracking platform that helps users build routines, monitor progress, and stay consistent through an intuitive user experience.

  • Built a responsive frontend with React, Next.js, and TypeScript.
  • Designed dashboards, authentication flows, and interactive habit management interfaces.

Stack: React, Next.js, TypeScript, Tailwind CSS, FastAPI, PostgreSQL

Pathlot — AI Travel Assistant

2026 - https://pathlot.com/

A modern AI-powered travel planning application that helps users create personalized trips through natural language conversations.

  • Built a responsive user interface with React, Next.js, and TypeScript, focused on delivering a seamless conversational experience.
  • Integrated AI-powered travel planning features with backend APIs, enabling users to generate personalized itineraries through an intuitive chat interface.

Stack: React, Next.js, TypeScript, Tailwind CSS, FastAPI, OpenAI Agents SDK

DocuBrief — AI-Powered Document Summarizer

2026 – In Progress

An AI-powered application that transforms long documents into concise summaries, FAQs, and structured insights for professionals.

  • Built responsive dashboards and document management interfaces.
  • Integrated GraphQL APIs and AI-powered summarization workflows.

Stack: React, Next.js, TypeScript, GraphQL, OpenAI API, PostgreSQL

Essay Topics Generator

2024

An AI-powered web application that generates personalized essay topics from natural language prompts.

  • Built a modern responsive interface with Next.js and React.
  • Integrated OpenAI API to generate content in real time.

Stack: React, Next.js, TypeScript, OpenAI API

Flyzon — Cross-Border E-Commerce Platform

2019 – 2022

An international e-commerce platform enabling Colombian customers to purchase products from Europe.

  • Built customer-facing shopping, checkout, and shipment tracking experiences.
  • Integrated payments, logistics workflows, and product catalog management.

Stack: Vue.js, JavaScript, Node.js, PHP, MySQL

Avianca Express — Shipping Quote & Scheduler

2018 – 2022

A logistics platform that allows customers to schedule, quote, and manage cargo shipments online.

  • Developed responsive booking flows and shipment management interfaces.
  • Digitized manual logistics processes through a modern web application.

Stack: Vue.js, PHP, MySQL, Bootstrap

PU-CRM — Real Estate Listings Plugin

2025

A custom WordPress plugin that synchronizes property listings from a CRM into a modern frontend experience.

  • Built interactive property listing components using Preact and TypeScript.
  • Integrated WordPress APIs for automatic content synchronization.

Stack: WordPress API, TypeScript, Preact, Vite