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David Guevara

Never stop sharing knowledge

About me

Software engineer with over 5 years of experience specializing in building applications with React.js and Next.js with TypeScript.

I have worked remotely with international teams, leading the frontend area and applying agile methodologies.

My social networks:

person

Skills

Programming Languages:

  • TypeScript
  • JavaScript
  • Python

Frameworks / Libraries:

  • Next.js
  • React.js
  • FastAPI
  • Node.js

Other technologies:

  • AWS
  • Azure
  • GCP
  • Firebase

Experience

NTT Data Europe & Latam

Software Engineer

MAY. 2025 - PRESENT

  • Led the development of a full-stack platform from scratch, using fine-tuning, RAG, Ollama, FastAPI, Angular, and Mongo within a corporate environment.
  • Designed and implemented a semantic similarity analysis pipeline, incorporating a re-ranking system based on a historical corpus and a confidence scoring mechanism based on user feedback.
  • Defined and executed the frontend architecture, actively participating in technical decisions and validations within an international remote team.
  • Applied strategies focused on optimization, data security, and persistence.

Digital Deals

Frontend Lead

FEB. 2024 - FEB. 2025

  • Led the Frontend area, coordinating development with a remote team.
  • Designed and implemented the Frontend architecture for digital products (Blog, eCommerce, etc).
  • Defined technical standards and best practices for the Frontend area.

tgoat.org

Frontend Developer

JUL. 2022 - FEB. 2024

  • Implemented a pricing recommendation system by integrating an embedding-based API.
  • Applied advanced state management for scheduling modules using Redux, Context API, and Zustand.
  • Implemented authentication, payment gateways, notifications, and user profiles.

Projects

CENECA Firma Jurídica

100% editable blog developed from scratch implementing prismic as CMS.

Next.js, Prismic & FullPage.js

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Cirugia Especial

Website focused on UX using pure JavaScript and implementing Prismic as a CMS.

Vanilla JavaScript, Next.js, Prismic & FullPage.js

projects-cirugia-especial

Acuacom

Landing page developed with a smooth scroll and a strong emphasis on SEO.

React.js, SEO, Google Analytics & FullPage.js

projects-acuacom-landing
projects-cubezone

Cubezone

Sales Report WebApp developed with Django.

Django, Python, Seaborn, Dropzone.js, MySQL and Pillow

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FreshPrices

Application made in Python that obtains relevant information on cryptocurrencies using the CoinMarketCap API.

Cloud Translation API, CoinMarketCap API, Tkinter and Pillow

projects-model-simulation

Breakdown and Repair Simulation Modeling

Software made in Python to be able to simulate the breakdowns of N machines and their repairs by N operators.

Tkinter, Pandas, Numpy, Pillow.