Wbert Adrian Castro

Backend and AI Software Engineer

Nodesource

Apr 2025 - Current (1 year 7 months)

Joined as a Backend Engineer, where I develop and maintain core N|Solid products and implement AI agents.

Full Stack Developer

Katapult Labs

Aug 2024 - Apr 2025 (9 months)

Developed a full-stack online store using Express.js and React, supporting a mission-driven circular economy.
Led system integration efforts across external services, improving platform traceability.
Built a message delivery engine and advanced search feature, enhancing UX and user retention.
Advocated for the adoption of Generative AI.

Full Stack Engineer

Medialab

May 2022 - Aug 2024 (2 years 4 months)

Led the implementation of a redesigned Genius song page header, impacting millions of daily users and improving engagement metrics.
Delivered UX-driven improvements using React, TypeScript, and Node.js, enriching community content and interaction.
Developed and deployed monetization features, increasing advertiser visibility and driving platform profitability.
Supported cross-functional teams with scalable full-stack solutions, contributing to platform stability and internal workflows.
Acted as a remote engineer collaborating across time zones, delivering consistent results in a fast-paced environment.

Full Stack Engineer

Vertrical

Feb 2022 - May 2022 (4 months)

I was working on an online pharmacy, where users could buy their medicines and health supplies with their prescriptions.

This web site was develop with React, Gatsby and Nodejs.

Full Stack Engineer

Vertrical

Feb 2022 - May 2022 (4 months)

I was working on an online pharmacy, where users could buy their medicines and health supplies with their prescriptions. This web site was develop with React, Gatsby and Nodejs.

Software Developer

Perficient Latin America

Feb 2021 - Feb 2022 (1 year 1 month)

Engineered scalable web platforms for the construction and automotive sectors using React, Material-UI, and Node.js, improving client experience and performance.
Contributed as a full-stack developer, driving delivery of maintainable features and clean architecture.
Mentored junior and mid-level engineers, leading internal technical workshops and promoting best practices in modern web development.
Championed code quality, peer reviews, and collaborative problem solving in a remote-first development culture.

Software Developer

PSL Corp Now part of Perficient

Nov 2020 - Feb 2021 (4 months)

I was working in the creation and maintenance of websites and new features for an important company in the automotive insurance sector. This work was relatively simple. We worked with React, Nodejs, and C# .Net. The hard part was they have a lot of websites and managing dependencies was not easy.

Software Developer

PSL Corp - Now part of Perficient

Nov 2020 - Feb 2021 (4 months)

I was working in the creation and maintenance of websites and new features for an important company in the automotive insurance sector. This work was relatively simple. We worked with React, Nodejs, and C# .Net. The hard part was they have a lot of websites and managing dependencies was not easy.

Full Stack Developer

Monadical

Feb 2020 - Nov 2020 (10 months)

Built interactive web apps using React, Firebase Realtime Database, and Firestore, delivering responsive and collaborative user experiences.
Led development of a real-time chat application for the Mutek Festival, integrating Node.js, Redis, and Socket.io for high-concurrency event handling.
Delivered full-stack features in a remote setting, contributing to creative tech solutions for media and cultural projects.
Emphasized performance and developer ergonomics while collaborating with cross-functional teams.

Full Stack Developer

Monadical

Feb 2020 - Nov 2020 (10 months)

Built interactive web apps using React, Firebase Realtime Database, and Firestore, delivering responsive and collaborative user experiences. Led development of a real-time chat application for the Mutek Festival, integrating Node.js, Redis, and Socket.io for high-concurrency event handling. Delivered full-stack features in a remote setting, contributing to creative tech solutions for media and cultural projects. Emphasized performance and developer ergonomics while collaborating with cross-functional teams.

Frontend Developer

Mahisoft Inc

Jul 2018 - Feb 2020 (1 year 8 months)

Developed responsive web and mobile applications using React, Razzle, and JavaScript, with a focus on performance, accessibility, and user experience.
Delivered cross-platform solutions and contributed to frontend architecture in agile, distributed teams.
Ensured compatibility and optimization across devices, maintaining modern design standards and scalable frontend code.
Collaborated remotely with product teams, aligning on goals and feature delivery.

Frontend Developer

PSL Software Development International

Dec 2014 - Jun 2018 (3 years 7 months)

Technical Lead for Angular and Ionics Apps for the client SEON.
I created several mobile apps for this client, we had to create real hybrid apps mixing web-views with android and iOS views. It was challenging because I had to learn a lot about native development for android and iOS at the same time.
Senior Frontend developer building a website for a big advertisement company with Angular.io and Typescript. We were working with a big application built with Angujar.js. We migrated this app to angular.io. We created a lot of new features at a really fast

Frontend Developer

PSL Corp - Now part of Perficient

Dec 2014 - Jun 2018 (3 years 7 months)

Technical Lead for Angular and Ionics Apps for the client SEON. I created several mobile apps for this client, we had to create real hybrid apps mixing web-views with android and iOS views. It was challenging because I had to learn a lot about native development for android and iOS at the same time. Senior Frontend developer building a website for a big advertisement company with Angular.io and Typescript. We were working with a big application built with Angujar.js. We migrated this app to angular.io. We created a lot of new features at a really fast speed comp

Freelance Developer

freelance

May 2014 - Jun 2015 (1 year 2 months)

I worked by using Odesk for clients mostly in the US and Europe. I started working with Angular and Phonegap, but I ended working with React.
My relationship with my clients was great. I built good-quality apps and met all deadlines.

Web Developer

PSL Corp - Now part of Perficient

May 2009 - Mar 2014 (4 years 11 months)

We built the first .Net project in PSL. This project was the base for all the other .Net projects in PSL for many years.

We designed and implemented a system for the biggest advertisement company in Colombia, the publishers of yellow pages for Colombia and Brazil. They wanted to centralize all the advertisement requests in a single system and then distribute them to creation centers in Colombia and Brazil.

A central part of my position was training the whole team. I should do peer reviews, support the whole team, and write documentation about how to use the tools.

Web Developer

Axede

Jun 2007 - May 2009 (2 years)

I worked as outsource developer on VirtualExito.com, now exito.com. The biggest retail company in Colombia, by that time we were improving the online store in the site. I implemented the first shopping cart for groceries. And I integrated the store with credit card payment providers.

Web Developer

AXEDE SA

Jun 2007 - May 2009 (2 years)

I worked as outsource developer on VirtualExito.com, now exito.com. The biggest retail company in Colombia, by that time we were improving the online store in the site. I implemented the first shopping cart for groceries. And I integrated the store with credit card payment providers.

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Web Developer

Seriva

Jun 2005 - Apr 2007 (1 year 11 months)

I was working on the customization of Seriva Suit for Helm Bank in Colombia.
We designed and build a custom product for Swift transactions, and an application built at windows to facilitate US Embassy paperwork and payments.

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Web Developer

Seriva

Jun 2005 - Apr 2007 (1 year 11 months)

I was working on the customization of Seriva Suit for Helm Bank in Colombia. We designed and build a custom product for Swift transactions, and an application built at windows to facilitate US Embassy paperwork and payments.

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Web Developer

Symmetry Ltda

Oct 2004 - Jun 2005 (9 months)

I worked developing Avianca's booking engine: book tickets, and pay them using integration with the biggest online payment providers at that moment; the biggest airline company in Colombia.

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Web Developer

Symmetry Limited

Oct 2004 - Jun 2005 (9 months)

I worked developing Avianca's booking engine: book tickets, and pay them using integration with the biggest online payment providers at that moment; the biggest airline company in Colombia.

Web Developer

Pragma SA

Mar 2004 - Sep 2004 (7 months)

Web Developer

Pragma

Mar 2004 - Sep 2004 (7 months)

Wbert Adrian Castro

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Wbert Adrian Castro

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