Simera Professional Key (SPK)

Wilder G

Mexico

Sr. Frontend Developer

$ 2,700/month

5 yrs exp

Senior Frontend / Full-Stack Developer with 20+ years of experience building production web and mobile applications in React, TypeScript, and Node.js. Delivered public-facing platforms for global media events (FIFA World Cup Qatar 2022 — Webby Awards 2023 Honorable Mention), AI-powered customer service, and engineering-productivity tooling. Complements deep frontend expertise with an MS in Data Science and 20+ years across the full stack, from UI to cloud infrastructure (AWS, GCP, Firebase).

Skills

  • Typescript
  • Firebase
  • GCP
  • React.js
  • Backend Development (Node.js with TypeScript).
  • Nest.js
  • Next.js
  • HTML, CSS, JavaScript, Bootstrap, Tailwind.
  • Shadcn UI
  • Análisis de datos avanzados (Python y R-Studio)
  • React Hooks

Wilder G

Mexico

Sr. Frontend Developer

$ 2,700 /month

Part Time: $ 1,450/month

5 yrs exp

Senior Frontend / Full-Stack Developer with 20+ years of experience building production web and mobile applications in React, TypeScript, and Node.js. Delivered public-facing platforms for global media events (FIFA World Cup Qatar 2022 — Webby Awards 2023 Honorable Mention), AI-powered customer service, and engineering-productivity tooling. Complements deep frontend expertise with an MS in Data Science and 20+ years across the full stack, from UI to cloud infrastructure (AWS, GCP, Firebase).

Skills

  • Typescript
  • Firebase
  • GCP
  • React.js
  • Backend Development (Node.js with TypeScript).
  • Nest.js
  • Next.js
  • HTML, CSS, JavaScript, Bootstrap, Tailwind.
  • Shadcn UI
  • Análisis de datos avanzados (Python y R-Studio)
  • React Hooks

Sr. Frontend Developer

Concetogether
April 2024 - June 2026

- Built the frontend for HQ, a client portal where customers view their engineering team's activity, goals, and reports. - Built a shared component library (@codetogether/react) used across the client portal and a separate admin app, instead of duplicating UI code. - Built the settings UI where customers connect third-party issue trackers and configure how story points, T-shirt sizes, or time estimates convert into engineering hours. - Built a NestJS-based demo server so the frontend team could develop locally without depending on the production backend.

Full-Stack Developer

Voxity.AI
January 2023 - July 2026

- Built a multi-tenant customer engagement platform (React, TypeScript, Firebase) with real-time conversations via Twilio and analytics dashboards. - Developed backend services (Node.js/Express) powering conversational AI agents, call handling, and feedback/workflow automation. - Delivered client-facing websites for multiple business verticals, including insurance, retail, dental care, and logistics.

Full-Stack Developer

Voice Of América (Latam)
September 2022 - January 2025

- Built the FIFA World Cup Qatar 2022 portal (React, Material UI, Firebase/Firestore) with a companion admin CMS and RSS-based news feed integration — awarded a Honorable Mention in The Webby Awards 2023. - Built the Nigeria 2023 elections portal and its companion admin CMS, using the same React/Firebase architecture. - Built the “Press Freedom 2023” special coverage site (React, Firebase/Firestore). - Wroked as IT consultant for the company

Full-Stack Developer

Nexxtway
May 2021 - December 2022

- Worked across both backend and frontend on EverTransit/DashRide, a real-time ride-hailing and dispatch platform: Node.js/Express/MongoDB backend with Socket.io live tracking, Stripe payments, and Twilio SMS, plus the React/Firebase admin dashboard. - Contributed to the development of more than 30 React components. - Contributed to functions.store, a marketplace of packaged Google Cloud Functions integrations (Stripe, Twilio, Slack, HubSpot, Mailchimp, MongoDB, BigQuery, and more), including the storefront web app (React, Firebase, Algolia search, Stripe payments) — letting engineers add third-party integrations without building them from scratch. - Developed the “Functions Store” Visual Studio Code extension and contributed to the CLI used to scaffold new function packages, cutting the setup time for new integrations.

Smart Scores

Communication
90
Role Fit
95
Adaptability
90
Problem-solving
90

Smart Skills

beta