Full Stack Engineer
Julian O. is a highly recommended Full Stack Developer and Electronic Engineer with strong experience in building scalable, secure, and intelligent web solutions, combining renewable energy and systems integration expertise with modern software engineering; he is proficient in JavaScript, Python, React, Angular, Node.js, Flask, Laravel, Spring Boot, PHP, TypeScript, HTML, CSS, SCSS, Bootstrap, Styled Components, Jest, MySQL, SQLAlchemy, Sequelize, JWT, JasperReports, Arduino, PLC, Matlab, and PVSYST, and is actively…
Great score on Implement an LRU Cache Algorithm, Diffeculty Medium · Great score on Find the Length of the Longest Substring Without Repeating Characters, Diffeculty Medium · Great score on Optimize Angular E-commerce Platform Performance, Diffeculty Medium · Great score on Explore Angular Services and Dependency Injection Benefits, Diffeculty Easy
Virtual Library
Develop a Virtual Library, which allows you to browse thousands of books, add it to favorites, have your books created, manage roles, and have responsive dynamics.
Web Developer
GrandtekOct 2023 — Oct 2024- Capture and analyze complex customer requirements to develop robust, scalable software solutions, ensuring alignment with both business goals and end-user needs.
- Design and implement modular software architectures, leveraging modern development practices to improve maintainability and accelerate time-to-market.
- Lead end-to-end software lifecycle activities, including unit testing, configuration management, and deployment, reducing post-release bugs.
- Provide technical support and manage change control processes in high-demand environments, improving system stability and client satisfaction metrics.
ReactAngularJavaScriptPythonFlaskNode.jsSequelizeCSSCall Center
TeleperformanceJan 2021 — May 2022- Answer incoming and outgoing calls, request relevant information to resolve customer issues, handle complaints, follow up on requests, among others.
photovoltaic solar system installer
Solar houseJan 2020 — Jan 2021- install solar systems
- Quote solar systems
- model solar systems with PVSYST
Certificación Full Stack Software Developer
4Geeks Academy2024 — 2025Electronic Engineer
Autónoma del CaucaPopayán, Colombia2014 — 2020Second Language (English)
Universidad del CaucaPopayán, Colombia2015 — 2016
Full Stack Engineer
Julian is available for hire
Schedule an interview14 days risk-free trial · No commitments · We handle contracts and payroll
Julian O. is a highly recommended Full Stack Developer and Electronic Engineer with strong experience in building scalable, secure, and intelligent web solutions, combining renewable energy and systems integration expertise with modern software engineering; he is proficient in JavaScript, Python, React, Angular, Node.js, Flask, Laravel, Spring Boot, PHP, TypeScript, HTML, CSS, SCSS, Bootstrap, Styled Components, Jest, MySQL, SQLAlchemy, Sequelize, JWT, JasperReports, Arduino, PLC, Matlab, and PVSYST, and is actively…
- Projects completed3
- Hourly rate
- 0-2 years experience
- Member since Oct 2025
Great score on Implement an LRU Cache Algorithm, Diffeculty Medium · Great score on Find the Length of the Longest Substring Without Repeating Characters, Diffeculty Medium · Great score on Optimize Angular E-commerce Platform Performance, Diffeculty Medium · Great score on Explore Angular Services and Dependency Injection Benefits, Diffeculty Easy
Virtual Library
Develop a Virtual Library, which allows you to browse thousands of books, add it to favorites, have your books created, manage roles, and have responsive dynamics.
Web Developer
GrandtekOct 2023 — Oct 2024- Capture and analyze complex customer requirements to develop robust, scalable software solutions, ensuring alignment with both business goals and end-user needs.
- Design and implement modular software architectures, leveraging modern development practices to improve maintainability and accelerate time-to-market.
- Lead end-to-end software lifecycle activities, including unit testing, configuration management, and deployment, reducing post-release bugs.
- Provide technical support and manage change control processes in high-demand environments, improving system stability and client satisfaction metrics.
ReactAngularJavaScriptPythonFlaskNode.jsSequelizeCSSCall Center
TeleperformanceJan 2021 — May 2022- Answer incoming and outgoing calls, request relevant information to resolve customer issues, handle complaints, follow up on requests, among others.
photovoltaic solar system installer
Solar houseJan 2020 — Jan 2021- install solar systems
- Quote solar systems
- model solar systems with PVSYST
Certificación Full Stack Software Developer
4Geeks Academy2024 — 2025Electronic Engineer
Autónoma del CaucaPopayán, Colombia2014 — 2020Second Language (English)
Universidad del CaucaPopayán, Colombia2015 — 2016
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