Federico Calderon
Federico Calderon

Junior Full Stack Developer

Actively looking · Member since 21 Jul 2026
Message
Location
San Salvador, El Salvador
Desired salary
Unspecified
Work preference
Remote Only / Full Time, Part Time, Contract, Freelance, Temporary
Experience level
Junior

About

Professional summary

I am a Junior Full Stack Developer with experience building responsive web applications using React, TypeScript, Java, Spring Boot, and SQL.

I have worked on both frontend and backend tasks, including API integration, data handling, filtering, pagination, and implementing user-friendly interfaces.

My background includes developing projects with modern frontend practices such as componentization, responsive design, state management, and clean UI/UX implementation.

On the backend side, I have experience creating and optimizing SQL queries, integrating REST APIs, and supporting report-based solutions with Java and Spring Boot.

I am currently studying Computer Engineering and continuously strengthening my skills through practical projects and technical courses.

I value continuous learning, problem solving, teamwork, and code quality, and I am looking for opportunities where I can keep growing as a software developer.

Notice period: Immediately

Skills

23 capabilities

Tech stack & tools

Working toolkit

Experience

Career history

Backend Development Intern DEVLYNC / ROOTS INC

Designed and adjusted business reports in Jaspersoft Studio, created and optimized SQL queries, integrated reports into REST APIs with Spring Boot, translated requirements into functional reporting solutions, validated data and filters, and supported backend development and data consumption. Technologies used: Java, Spring Boot, SQL, JasperReports, Jaspersoft Studio.

Frontend Developer POKÉDEX-V2

Reimagined the UI/UX from wireframes in Figma to production-ready implementation, built search and filter functionality, displayed detailed views for Pokémon and items, optimized result loading and organization, managed dynamic states for filtering and visualization, ensured responsive design for mobile and desktop, and applied frontend best practices. Technologies used: React, TypeScript, CSS Modules.

Backend Developer TASK ME!

Modeled and managed data for profiles, posts, and relationships, implemented search with filters and pagination, optimized listings for better performance and navigation, applied role-based access control, exposed a consistent REST API for frontend integration, and addressed security challenges through research and testing. Technologies used: Java, Spring Boot.

Education

Learning history

UCA

Bachelor's Degree, Computer Engineering

Computer Engineering studies in progress.

Udemy

Course, Advanced CSS and JavaScript

Course focused on Flexbox, Grid, DOM, animations, and best practices.

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