I'm Greivin López

A Senior Software Engineer from Costa Rica and blockchain enthusiast.

  • Full Name: Greivin López Paniagua
  • Nationality: Costa Rica
  • Address: Villa Bonita, Alajuela
  • Email: greivin.lopez@gmail.com
  • Phone +506 8868-4734
  • My Interests: Reading Books, Learning, Technology, Blockchain
  • Quote: Change is the only constant!
About Me

About Me

A talented developer, who already coded too much.

I'm Greivin, a full-stack software developer born in Costa Rica. I'm a proactive consultant with more than sixteen years working for computer software companies.

A talented developer with experience in different programming languages and technologies. Always ready to learn new technologies or programming platforms.

Some people say I'm a creative problem solver, combining innovative ideas with detail oriented behavior, resulting in well crafted solutions.

I've had the privilege of working on very challenging projects during my career for well stablished software companies like Gorilla Logic or POSSIBLE.

18+ Years Experience

Nothing can substitute experience.

Currently working as Technical Lead at Gorilla Logic

Sep 2016 - Present
Technical Lead

Gorilla Logic


Backend development with Go and Node.js for JumpCloud

Tech Lead for a team working on Fender Play project for six months.

Specialized in Blockchain technologies: Hyperledger Fabric & Ethereum.

Blockchain project using Hyperledger Fabric for Western Asset Management. I was an integral part of getting the environment up. Also did Node.js REST API and Angular web app.

Worked on a ETL custom application written in Go to migrate a legacy Oracle database to SQL Server and MongoDB for Arrow Electronics

Web development and responsive design for Western Asset Management. Front-end development with Foundation framework, CSS and Javascript. Search Engine Optimization (SEO) tasks and consultancy.

Jul 2010 - Sep 2016
Senior Software Developer



Front-end developer for Mitsubishi team. Development and maintenance of http://www.mitsubishicars.com/

Back-end developer for an innovative and currently confidential project for Madison Square Garden using Go programming language.

Server side development: Python + Google App Engine, Python + Django, Node.js + MongoDB and Go + MongoDB for different projects.

May 2005 - Feb 2010
Software Developer

X-TEL Communications, Inc.


PHP back-end code development for JTrek website. JTrek was intented to be a video surveillance application for Smartphones.

Wrote, co-designed and successfully produced Audio Quality software module for X-TEL applications using Delphi.

Wrote, designed and successfully produced a dynamic report designer and generator for X-TEL's main product Xi.

Symbian OS development (C++) for X-PEDite hand held tester product.

May 2001 - Nov 2003
Software Developer



JLCA Project (Java Language Conversion Assistant) a tool developed for Microsoft which was part of the Microsoft Visual Studio .NET IDE.

Main task was research of programming languages Java and C# to define equivalence between codes written in both languages.

Deep research of the .NET framework a very innovative and unknown environment at the time.

Educational Value

You are always a student, never a master.


Excellence is not a skill, it's an attitude.

Technical Skills


Personal Skills



An expert is a man who has made all the mistakes which can be made, in a narrow field.



An investment in knowledge pays the best interest.


Intelligence is the ability to adapt to change.

Contact Me

Are you interested in working together?

What I Can Do:

Software consulting. Blockchain development and consulting. Website development.

Contact Info:


+506 8868-4734

© Greivin López. All rights reserved 2019.