Hi, I'm Leo Ortega. A Software Developer.
Software Developer with 3.5+ years of experience building scalable web applications and internal tools. I specialize in frontend development with strong fullstack capability across React, JavaScript/TypeScript, and backend systems like Node.js and Java.
I enjoy creating clean, reusable systems, data-driven interfaces, and products that improve both user and developer experience.
Information about me
Software Developer with 3.5+ years of experience building scalable, data-driven web applications and internal tools in fast-paced startup environments. I specialize in frontend development with strong fullstack capabilities, working across React, JavaScript/TypeScript, and backend systems including Node.js and Java (Spring Boot).
I’ve contributed to major frontend architecture improvements, including reusable component systems and design tooling, while also contributing to backend services, database optimization, and cross-functional automation workflows. My work spans data visualization (D3.js), API integration, and building internal platforms that improve team efficiency and product reliability.
Frontend Expert
Skilled in modern technologies like ReactJS, TypeScript, and D3.js for crafting dynamic applications.
OWNERSHIP & LEADERSHIP
I take ownership of production systems, leading incident response, cross-team coordination, and code quality standards.
SYSTEMS THINKER
I design scalable, reusable architectures and improve engineering efficiency through modular, maintainable code.
Award-Winning Developer
Recipient of the WGU Capstone of the Month Award for an interactive disaster forecasting tool.
My Skills & Tech
JavaScript
TypeScript
React
Next JS
React Native
Java
MySQL
Node JS
HTML
CSS
jQuery
D3JS
Tailwind
GAS
Redux
Express
MongoDB
Supabase
Git
Bash
My PortfolioMy Work
Personal & Professional Projects I have created as a way of learning more about these amazing tools and technology.
My ExperienceCareer
My Work Timeline
Jan 2022 - May 2025
frontend developer- frequence- mt view, CA
- Led a Web Components architecture using Storybook and TypeScript, reducing code duplication by ~60% and improving reliability by 30%.
- Built a client-facing slide generation platform using JavaScript, HTML, CSS, jQuery, and D3.js for interactive data visualization.
- Served as the sole US-based engineer for a production system, owning all urgent fixes and incident response.
- Developed internal analytics dashboards with React, Typescript, Node.js and Google Apps Script to improve team decision-making.
- Partnered with design teams to standardize API data structures, reducing rework and improving accuracy by ~40%.
- Onboarded engineers into the Web Components system, improving adoption and development speed.
Sept 2020 - Jan 2022
Self-Taught Web Developer- Independent
- Built foundational skills in HTML, CSS, and JavaScript through hands-on project development.
- Expanded into modern web development including frontend frameworks and backend technologies such as Node.js.
- Developed personal projects to apply and reinforce software engineering concepts and problem-solving skills.
- Maintained continuous self-directed learning across new tools, frameworks, and development practices.
Education
Jan 2021 - May 2023
Computer Science- North Hennepin Community College
- Studied core computer science fundamentals including programming, object-oriented design, and software development principles.
- Completed coursework in data structures, algorithms, discrete mathematics, and computer systems.
- Developed programming proficiency in Java with exposure to additional languages and scripting fundamentals.
- Built foundational projects applying software engineering concepts and structured problem-solving techniques.
Aug 2023 - Mar 2024
B.S. - Computer Science- Western Governors University
- Learned the fundamentals of programming including OOP, Data Structures, and Software Engineering.
- Advance knowledge of Java and Java frameworks such as Spring.
- Created REST web servers with the use of Java Spring Boot.
- Demonstrated strong application development through capstone project.