I’m a junior developer passionate about technology and always eager to keep learning. I have experience with HTML, CSS, and JavaScript, and I’ve been improving my skills through freelance work, personal projects, and programs like The Odin Project. I enjoy solving problems, building applications, and collaborating with others. I’m currently seeking an opportunity to grow as a software engineer and contribute to real-world projects.

Mariano Testado

PRO

I’m a junior developer passionate about technology and always eager to keep learning. I have experience with HTML, CSS, and JavaScript, and I’ve been improving my skills through freelance work, personal projects, and programs like The Odin Project. I enjoy solving problems, building applications, and collaborating with others. I’m currently seeking an opportunity to grow as a software engineer and contribute to real-world projects.

Available to hire

I’m a junior developer passionate about technology and always eager to keep learning. I have experience with HTML, CSS, and JavaScript, and I’ve been improving my skills through freelance work, personal projects, and programs like The Odin Project. I enjoy solving problems, building applications, and collaborating with others. I’m currently seeking an opportunity to grow as a software engineer and contribute to real-world projects.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Spanish; Castilian
Fluent

Work Experience

Billing Manager at Universidad de Lanus
January 1, 2022 - January 1, 2023
Oversaw full e-commerce operations and order processing. Issued electronic invoices and receipts for clients. Coordinated wholesale and retail order tracking.
Web Developer at Freelance
January 1, 2023 - January 1, 2026
Developed web projects using HTML, CSS, JavaScript, React, TypeScript, and Node.js. Built responsive interfaces and optimized UX. Provided ongoing maintenance, debugging, and code improvements following best practices.
Backend / Node.js at Talento Tech
January 1, 2020 - January 1, 2025
Backend development focusing on Node.js.
Full Stack JavaScript at The Odin Project
January 1, 2022 - January 1, 2023
Participated in full-stack JavaScript projects as part of The Odin Project.

Education

Add your educational history here.

Qualifications

Bachelor’s Degree in Information Systems
January 11, 2030 - March 16, 2026
EF Set Certificate
January 11, 2030 - March 16, 2026

Industry Experience

Software & Internet, Professional Services, Media & Entertainment
    paper Legal Chatbot

    Developed an AI-powered legal chatbot using Python, designed to assist users with general legal inquiries. Integrated external APIs (Groq and later OpenAI) to generate context-aware responses and enable more natural, dynamic conversations.

    Implemented document processing capabilities, allowing the chatbot to read and analyze locally stored files (or server-hosted documents) to provide more accurate and context-specific answers.

    Built input handling and conversational logic to manage different types of queries, focusing on clarity, usability, and response consistency. Structured the application with a modular approach to ensure scalability and ease of maintenance.

    paper Scrabble-like game (Snobble)

    Built a Scrabble-inspired web application using React, focusing on interactive gameplay and state management. Developed core features such as randomized tile generation, word validation through a dictionary API, and dynamic board updates based on user input.

    Implemented game logic for scoring, tile handling, and word placement, ensuring consistency between UI and internal state. Continuously improved the application by adding new features and refining the user experience, following a modular and scalable code approach.