Emanuel Pereyra

Senior Software Engineer

AI-powered Senior Software Engineer with 18+ years of experience building scalable web applications and leading development teams. Specialized in React, NextJS, and modern JavaScript ecosystems. I have experience working on complex and massive products, full-stack work, and the most demanding pixel-perfect design systems. Extensive use of AI tools such as Claude Code and GitHub Copilot to accelerate the product development process without losing sight of what's being built.

Passionate about clean architecture, performance optimization, and mentoring engineering teams. Currently focused on modern React/Next.js applications and AI-native solutions.

Experience

intive
Sr Web Developer
April 2025 - Present
- Contributing to new design system at Dow Jones for DJ+, Factiva and Risk Management products with modern, lightweight components
- Building React components loosely coupled with CSS optimized for improved SSR performance
Distillery
Sr SW Engineer
March 2021 - March 2025
- Improved site reliability and scalability, reducing load time to under 5 seconds
- Led white-label cross-sell initiative for hotels and properties, reducing delivery time from 2-3 sprints to 1
- Maintained Angular 1.8 legacy code and integrated PayPal in booking form shared between RocketMiles and Booking.com
Summa Solutions
Tech Lead
August 2020 - March 2021
- Front End tech lead for Vtex e-commerce platform, designed development guidelines for Vtex.io
- Mentored 3 junior React developers through Summa's Junior Talent Programme
- Implemented Project N95 COVID Essentials e-commerce site in vtex.io with first release in only 2 weeks
Making Sense LLC
Tech Lead
June 2018 - August 2020
- Led team of 4-6 developers for Directly, setting up strategies and architecture for new developments
- Designed and led microservices implementation, including user questions router that reduced response time from minutes to seconds
- Led internationalization of Real-Time Messaging Applications and streams microservice for user notifications
McAfee
Sr Software Engineer
April 2017 - June 2018
- Sr Software Engineer at McAfee Active Response project, giving companies ability to scan real-time threats on network endpoints
- Tech lead at new McAfee Cloud EPO project in React, Angular 2/4, and NodeJS, implementing best practices and mentoring Jr developers
- Full-stack tech lead at McAfee ESM (SIEM product) working with React, Redux, Angular, D3js, and Object Pascal backend
Intel Corporation
Front End Software Engineer
November 2015 - March 2017
- Developed McAfee Active Response project created, designed and built entirely in Córdoba office
- Tech lead at McAfee Cloud EPO project implementing React, Angular 2/4, and NodeJS best practices
- Full-stack development at McAfee ESM with React, Redux, AngularJS, D3js and testing frameworks
Globant
Web Developer
March 2015 - October 2015
- Developed features for Disney Cruise Land and Disney World sites using AngularJS, PHP/Zend, and jQuery
- Implemented improvements on search results page and search suggestion widget
3XM Group
Web Developer
April 2014 - February 2015
- Created standalone web app with BackboneJS and JqGrid to plot geospatial information on maps and tables
- Developed AWS admin console for Map-Reduce process to spawn dozens of EC2 instances with usage monitoring
Harriague + Asociados
Software Developer
August 2013 - March 2014
- Worked for Arris/Motorola Mobility account on Dream Gallery Project for Verizon
ADDOC
Senior System Engineer
January 2012 - July 2013
- Unix/Debian Linux administration and Nagios monitoring tools installation
- MySQL and SQL Server 2008 R2 database administration with optimization and tuning
- Developed web applications using PHP 5, HTML5, CSS3, JavaScript, and jQuery
Banco de la Provincia de Córdoba S.A.
Tester SAP
April 2011 - December 2011
- SAP Banking Services Testing with manual testing of Debts Operations implemented in SAP
Aguas de Santiago S.A.
Software Engineer - Business Intelligence
May 2007 - February 2011
- Full software development lifecycle: requirements, design, development, testing, manuals, and user training
- Data Warehouse ETL processes development and business measures design
- Coordinated Integration and System Testing with end users

Skills & Technologies

Frontend

10+ years

JavaScriptTypeScriptReactHTML/CSSResponsive Design

5-10 years

Next.jsVue.jsTailwind CSSWebpack

2-5 years

React Server ComponentsChakraUIVite

Backend

10+ years

Node.jsExpressREST APIsPostgreSQL

5-10 years

GraphQLMongoDBRedisMicroservicesGroovy

2-5 years

Serverless FunctionsJavaPython

Cloud & DevOps

10+ years

GitCI/CDLinuxDocker

5-10 years

AWSGitHub Actions

2-5 years

Vercel

Tools & Practices

10+ years

Agile/ScrumCode ReviewTesting StrategiesTechnical Documentation

5-10 years

JestESLintStorybookMonorepos

2-5 years

PlaywrightVitestTurborepoReact Testing Library

Portfolio

Agoda's white labeling themes

As part of the Rocket Travel integration to Agoda's stack, the know-how of whitelabeling was implemented in Agoda's reservation site, with clients such as All Nippon Airlines and Citibank

ReactJSTypescriptTailwind.NET

View Project View Project

Rocket Travel AAdvantage Client Integration

Creation of the white-label site and UI adjustments for the American Airlines miles program.

ReactJSTypescriptChakraUI

View Project View Project

N95 Project

N95 community buying site for covid essentials, the very early e-commerce site was implemented with Vtex.IO and React components.

ReactTypescriptVtex.io

View Project

Alix Partners Corporate Survey

Creation of a survey wizard for different department directors for Alix Partners

ReactJSNodeJSTypescriptMaterialUI

View Code

Get In Touch

Let's connect and discuss how I can contribute to your team.

emanuel.pereyra77@gmail.com

LinkedIn GitHub Twitter Instagram

Emanuel Pereyra

Experience

intive

Distillery

Summa Solutions

Making Sense LLC

McAfee

Intel Corporation

Globant

3XM Group

Harriague + Asociados

ADDOC

Banco de la Provincia de Córdoba S.A.

Aguas de Santiago S.A.

Skills & Technologies

Frontend

Backend

Cloud & DevOps

Tools & Practices

Portfolio

Agoda's white labeling themes

Rocket Travel AAdvantage Client Integration

N95 Project

Alix Partners Corporate Survey

Get In Touch

intive

Distillery

Summa Solutions

Making Sense LLC

McAfee

Intel Corporation

Globant

3XM Group

Harriague + Asociados

ADDOC

Banco de la Provincia de Córdoba S.A.

Aguas de Santiago S.A.

Agoda's white labeling themes

Rocket Travel AAdvantage Client Integration

N95 Project

Alix Partners Corporate Survey