Email
Website
-

I have 10+ years of experience developing software across various programming languages, database engines and operating systems. I hold a Bachelor of Science (BS) degree from the Computer Science program at the Castro Carazo University of Costa Rica.

LinkedIn
josenietzenjs

Edify 2021 —

https://www.edify.cr
Technical Lead

Highlights

  • Languages: NodeJS, Golang, Python
  • Frameworks: NestJS, Next.js, Express.js, React.js
  • Cloud Services: AWS Lambda Functions
  • Databases: MySQL, PostgreSQL, MongoDB
  • Web Services: REST APIs
  • Servers: Nginx, Apache

Edify 2021 —

https://www.edify.cr
TL Full Stack Software Developer

Highlights

  • Languages: NodeJS
  • Frameworks: NestJS, Next.js, Express.js, React.js
  • Cloud Services: AWS Lambda Functions
  • Databases: MySQL, PostgreSQL, MongoDB
  • Web Services: REST APIs

Hangar 2016 — 2021

https://www.hangarworldwide.com/
Senior Back-end Developer

Highlights

  • Programming Languages: C#, PHP, Node.js
  • Frameworks: .NET, Laravel, WordPress, MoleculerJS, ExpressJS, ReactJS
  • Databases: MySQL, MongoDB
  • API & Microservices: REST APIs, Microservices architecture, RabbitMQ
  • Server Management: Nginx, Apache
  • DevOps Tools: Git, Azure, Docker
  • Operating Systems: Mac, Unix/Linux
  • Developed scalable microservices for high-demand requirements.
  • Architected and deployed responsive websites.
  • Designed a microservices-based employee talent management system.
  • Led teams in integration, debugging, and production deployments.
  • Collaborated with Product Owners to translate user requirements into technical solutions.
  • Provided technical guidance and oversaw deployments, ensuring the delivery of high-quality digital products.

Lumen Up 2014 — 2016

https://www.facebook.com/lumenup/
Back-end Developer

Highlights

  • Architect, design, and develop back-end architecture, service tier, and data-tier components for applications.
  • Build robust, maintainable back-end solutions and ensure their stability post-deployment.
  • Provide accurate time estimates for new projects or feature development.
  • Create and maintain detailed technical documentation for projects.
  • Defend and advocate for the technical architecture of projects.
  • Conduct code reviews and propose effective solutions.
  • Collaborate closely with Front-End, Mobile, Design, UX, QA, and internal/external Tech teams to ensure project success and alignment with client expectations.

University Castro Carazo 2014 — 2017

Information Systems Engineering
Bachelor

University Castro Carazo 2018 — 2019

Strategic Information and Communication Technologies
Bachelor

AWS Certified Cloud Practitioner

Awarded 2020 - 2023
by Techcrunch

Tools and Programming Languages

  • NodeJS
  • Express JS
  • Moleculer JS
  • Golang
  • PHP
  • Wordpress
  • Laravel
  • Symfony
  • .Net
  • C#
  • Entity Framework
  • CCS
  • HTML
  • JavaScript
  • React JS
  • Linux
  • Typescript
  • Docker
  • Kubernetes
  • REST
  • SOAP
  • Git

Database Manager

  • Microsoft SQL Server
  • Postgres
  • MySQL
  • MongoDB

Web and App Servers

  • Apache
  • Nginx
English
intermediate