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Jorge – Next.js, React, Node.js, experts in Lemon.io

Jorge

From Paraguay (GMT-3)

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Front-end Web DeveloperSenior
Back-end Web DeveloperMiddle
Hire developer
17 years of commercial experience
Entertainment
Event management
Healthcare
Healthtech
Media
Public relations
Public services
Tourism
Travel
Communication tools
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Jorge – Next.js, React, Node.js

Jorge is a seasoned engineer with extensive experience in various tech roles, including Tech Lead and architectural decision-maker. He's adept at managing both micro-frontend and monolithic projects, boasting a diverse tech stack, including Next.js, Node.js, and TypeScript. Jorge's humble demeanor and ability to communicate through code make him not just a developer but a team player who brings a harmonious, productive atmosphere to any project.

Main technologies
Next.js
4 years
React
7 years
Node.js
10 years
Golang
4.5 years
AWS
6.5 years
Typescript
6 years
Additional skills
React Native
Python
Remix
Redis
PostgreSQL
Redux
Express.js
Ruby on Rails
Salesforce
MongoDB
WordPress
Angular
MySQL
Rewards and achievements
June 2024: Karina Summary
Ready to start
in 1 week
Direct hire
Potentially possible

Experience Highlights

Senior Full-stack Engineer
Jul 2019 - Ongoing4 years 10 months
Project Overview

A comprehensive platform enabling individuals to purchase tickets and book tours for both national and privately owned parks across the entire United States

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Responsibilities:
  • Developed and maintained a microservices architecture with Golang and GoKit, utilizing gRPC for seamless communication;
  • Successfully reduced code duplication across Go microservices by migrating it into an internal library, resulting in a significant code size reduction of around 30%;
  • Carried out a migration from Apache Cassandra to AWS DynamoDB, which led to a cost decrease of approximately 5% per month;
  • To enhance data processing and reporting, an ETL (Extract, Transform, Load) process was implemented within a reporting microservice. Jorge used AWS Glue to transform data sourced from DynamoDB and pushed it to Redshift. The entire data flow was orchestrated using AWS Step Functions, ensuring efficient data transformation and loading.
  • On the front end, was responsible for developing and maintaining a micro-frontend architecture with React and Redux.
  • Optimized page load times by implementing lazy loading of maps upon reaching a specific viewport, resulting in a 22% improvement in load times;
  • Prioritized accessibility by introducing focus lock/trap mechanisms, leading to a 12% increase in the Lighthouse score;
  • Enhanced testing practices, raising global test coverage from around 20% to a full 100% across four micro-frontend services. Achieved this with the help of Jest, React Testing Library, and MSW;
  • Actively engaged in the creation and upkeep of internal npm packages associated with a custom CSS framework built upon Tailwind CSS and implemented using TypeScript.
Project Tech stack:
Golang
React
AWS
Redux
Cassandra
DynamoDB
Amazon SQS
Amazon EC2
Senior Full-stack Engineer
Mar 2023 - Sep 20235 months
Project Overview

A platform for purchasing and selling tickets to concerts and events.

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Responsibilities:
  • Optimized cron job for millions of database records, leveraging multi-threading for batch processing and Elasticsearch indexing, previously consuming over 50GB of memory and taking up to 20 hours for completion;
  • Conducted a full system refactor, achieving remarkable performance improvement: now completed within 1 hour and utilizing under 4GB memory;
  • Implemented Datadog and pprof for effective debugging and monitoring, successfully resolving numerous data race issues;
  • Successfully migrated all image assets stored in AWS S3 to Cloudinary without downtime, ensuring seamless asset management.
Project Tech stack:
Golang
React
Python
AWS
Next.js
Typescript
PostgreSQL
Redis
RabbitMQ
Datadog
Senior Tech Lead Engineer
Jan 2021 - Mar 20232 years 1 month
Project Overview

A telemedicine healthcare application facilitating face-to-face doctor-patient interactions through Twilio's API integration, adhering to the HIPAA standard

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Responsibilities:
  • Streamlined build processes, cutting server-side rendering for a 10% faster build time;
  • Enhanced React Native app performance by eliminating obsolete data, and optimized network use by reducing backend calls by 30%;
  • Trimmed Docker image build time by 5% via library removal;
  • Slashed AWS costs by 22% by decommissioning unused services/environments backed by data and testing;
  • Reduced CircleCI credits use by 25% with automated test splitting in CI/CD pipelines.
Project Tech stack:
React
React Native
Node.js
Next.js
Typescript
Amazon ECS
Amazon RDS
Terraform
CircleCI
Twilio API
Software Engineer
Dec 2017 - Nov 201810 months
Project Overview

The product is built upon the foundation of the open-source application Consul, offering e-participation web software

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Responsibilities:
  • Created a React and Node.js software wizard for a government housing website, focused on providing low-interest loans for middle-class individuals;
  • Insured compatibility with older Windows versions to cater to customers from modest backgrounds;
  • Implemented polyfills for legacy browser support;
  • Optimized the wizard's performance by memoizing queries and filters;
  • Integrated Heroku with Salesforce, and exported Salesforce data into a Postgres DB to make reports;
  • Designed and launched the BA Elige website for the Argentinian government, utilizing the open-source Consul platform to enable e-participation. Proficiently managed social network APIs with Ruby on Rails.
Project Tech stack:
React
Node.js
Typescript
Express.js
jQuery
Ruby on Rails
Amazon S3
Amazon RDS
Heroku
Salesforce
PostgreSQL
Software Engineer
Nov 2011 - Jan 20186 years 2 months
Project Overview

A pay-per-view web application. Similar to Netflix, the website featured a catalog of films and series for users to select

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Responsibilities:
  • Developed a pay-per-view web application called Mega Cine with React and Node.js. Similar to Netflix, the website featured a catalog of films and series for users to select. Created several similar sites for target audiences, including Dibukids dedicated to children and Mes-Meilleurs Films dedicated to French-speaking users.
  • Developed website with WordPress and Joomla used for streaming. Created additional themes and plugins for WordPress.
Project Tech stack:
Node.js
React
Redux
Express.js
Angular
WordPress
MySQL
MongoDB

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