Javier Paredes L.

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Professional Profile

Senior Full-Stack Engineer & AI-Augmented Developer, Bilingual (EN / ES)

Computer Engineer specialized in Full-Stack Web Development, with a solid track record in Frontend and Backend. Expert in React, Next.js, TypeScript, .NET, and SQL.

Degree: Computer Engineer

City: Santiago, Chile

Email: javierparedesl@outlook.com

Freelance: Available

Passionate about Cloud Environments, high-concurrency systems, and Artificial Intelligence. I have successfully participated in more than 20 professional large-scale projects for national and international markets.

Experience

Education

Computer Engineering

2022 - 2023

Duoc UC, Santiago, Chile - Graduated

Computer Projects Management
Platform Integration
Business Intelligence
Risk Management
Big Data

English Program

2022 - 2024

Bestwork English Institute - Approved

TOEIC Certification expected in May 2024
Cambridge One Courses from B1 to C1

International Specialization In Ethical Hacking

2019 - 2019

Tecnológico de Monterrey, Morelos, México - Approved

Application of techniques used in Ethical Hacking phases
Ethical Hacking Fundamentals
Ethical Hacking Concepts

Computer Programming Analyst

2018 - 2020

Duoc UC, Santiago, Chile - Graduated

Development of Web and Mobile Applications
Database Modeling
Software Development with Java
Software Development with C#
System Administration

Professional Experience

Software Engineer - SSR

07/2024 - 03/2026

Windwalk - United States (Full-time, Remote)

Designed and developed the user profile system for a platform with more than 1 million users, integrating inventories, advanced privacy settings, and multiple OAuth integrations with major social and gaming platforms.
Developed analytics and business metric modules capable of processing hundreds of thousands of data points per client, integrating data from 7 platforms: Discord, Twitch, Steam, YouTube, TikTok, Facebook, and Google Play.
Implemented real-time communication features using WebSockets, including a global chat and the first web chat based on the Discord Social SDK, supporting up to 50 concurrent users per client.
Optimized the performance of multiple frontend modules, achieving an approximate 20% improvement in load times through a strategic separation of Server Components and Client Components in Next.js.
Designed and implemented approximately 10 complete modules directly from Figma prototypes, transforming product designs into functional and scalable interfaces.

Database Administrator & Software Developer

04/2024 - 07/2026

Reading Exchange Bot - Discord Community (Volunteer, Remote)

Actively serve as a Database Administrator for the platform, managing the addition, modification, and removal of content requested by the community.
Participated in multiple brainstorming sessions to design and improve an automated platform aimed at helping users develop their Speaking, Reading, and Listening skills, from beginner to advanced levels.
Designed and developed a website that showcases the platform’s features and benefits, as well as a secure Discord integration that allows users to link their Discord accounts with the web application.
Helped maintain a platform serving approximately 130,000 users across one of the largest language exchange servers on Discord, supporting Spanish, English, and French.
Strengthened expertise in third-party service integrations, high-concurrency database administration, and process automation by developing automated SQL scripts and text processing tools.

Full-Stack Developer - SSR

03/2024 - 07/2024

TISAL SpA - Chile (Project Contract, Hybrid)

Developed and maintained clinical and administrative functionalities for LYRA, an electronic health record platform utilized across a network of 7 healthcare institutions, including Clínica Dávila and Clínica Santa María.
Implemented 1 embedded web module and integrated it with an external laboratory system in Spain, connecting the platform with third-party medical services.
Resolved approximately 20 software incidents of varying complexity within 5 months, including a critical clinical incident that affected access to essential medical resources, coordinating directly with external vendors.

Full-Stack Developer - SSR

06/2023 - 08/2023

Mega Clean - Chile (Freelance, Remote)

Negotiated with the client to perform a digital migration from Excel templates to a website, which is used by more than 250 users.
Analyzed over 30 functional and non-functional requirements, all of which were successfully implemented and approved by the client.
Developed 5 maintainers, facilitating system management by administrators, ensuring autonomous operation.
Designed and developed a requests module for administrators and users, reducing bureaucratic processes by 93%.

Software Developer

07/2022 - 08/2022

Code for America - United States (Volunteer, Remote)

Analyzed the 'Buncombe County Court Reminders' application, detecting a total of 3 errors, all of which I resolved and communicated to the leader.
Optimized the grammar of the Spanish version of the application, resulting in a significant improvement of 100% in readability.
Collaborated on the project working with the ReactJs Framework, reusing components from the application.

Full-Stack Developer - Intern & JR

12/2019 - 12/2021

IMAGEN S.A. - Chile (Full-time, Hybrid)

Led a project using Agile Methodology from start to finish, in which I also contributed to the software development.
Collaborated on a legacy project, resolving more than 100 cases of modification, deletion, and creation using a database.
Designed and implemented 5 mobile applications that operated in 'offline' mode, significantly increasing client productivity.
Implemented more than 20 automated workflows, where processes like notifications and state changes optimized the process by 92%.