Jonathan Diaz
Principal at Kelsus, Inc.
Resistencia, Chaco, Argentina
Summary
👤
Senior🎓
Top SchoolJonathan Diaz is a Principal software engineer with 11 years of experience specializing in full-stack and systems engineering across payments, retail, and social applications. Based in Resistencia, Argentina, he leads architecture and delivery at Kelsus, blending AWS and Node.js expertise with hands-on project management and Scrum practices. His background spans web front-ends (React, JS, Flex), server and database platforms (SQL Server, Postgres, MongoDB), and legacy ecosystems (.NET, Java, Delphi, Ruby), enabling him to modernize and integrate heterogeneous systems. He has built production-grade products from scratch—most notably a social makeover platform at Photometria integrating front-end UX and backend image analysis—and has implemented enterprise reporting systems under strict vendor guidelines. Known as a "Standard Nerd" on GitHub, he pairs curiosity with a practical focus on improving processes, tooling, and deployability. Colleagues rely on him for pragmatic problem-solving that balances legacy constraints with cloud-native modernization.
11 years of coding experience
1 year of employment as a software developer
Spoken English for Work (SEW I), English, Spoken English for Work (SEW I), English at Trinity College LondonISI, Ingeniería en Sistemas de Información, ISI, Ingeniería en Sistemas de Información at Universidad Tecnológica Nacional
English
Stackoverflow
3,254reputation
306kreached
23answers
0questions
mongodb
top-1%
mongoose
top-1%
Github Skills (68)
npm-package10
mongoose10
javascript10
txt10
nodejs10
bit10
editing10
mongodb10
npm10
expansion10
numeric10
insert9
move9
valuation8
credit8
Programming languages (7)
Github contributions (5)
Kelsus/eslint-config-kelsus
Dec 2017 - Oct 2023
This package includes the shareable ESLint configuration used by Kelsus.
Contributions:1 review, 2 PRs, 40 pushes in 5 years 11 months
eslintjavascripteslint-configshareabletypescript
jonathanpdiaz/widget_dolar_argentina
Nov 2018 - Sep 2022
Bit Bar script to display current dolar valuation.
Contributions:1 review, 50 commits, 6 PRs in 3 years 10 months
valuationdolarbit
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