Jonathan Martins Costa

Frontend Developer

https://www.opentalent.in/jonathan-martins-costa

BrasilMember since June 27, 2026

Key Strengths

Strong portfolio of personal projects demonstrating practical application of Frontend technologies.
Extensive experience with Vue.js, JavaScript, HTML, and CSS, aligning well with a Frontend Developer role.
Demonstrated understanding of Progressive Web App (PWA) principles, including offline-first and local data storage (IndexedDB).
Focus on user privacy and local-first architectures in several projects.

Cultural & Operational Fit

Cultural Fit Analysis

The candidate's project portfolio indicates a strong inclination towards independent development and a focus on user-centric, privacy-aware applications. The diversity of personal projects (educational games, utility apps, financial trackers) suggests a proactive and self-motivated individual. However, without information on team collaboration or professional experience, it's difficult to fully assess cultural fit within a team environment. The target role is 'Frontend Developer', and the projects align well with this, showcasing practical skills in relevant frameworks and technologies. The candidate's experience level is listed as 0, which contradicts the depth of the projects, suggesting this field might be inaccurate or refers to professional experience only.

Soft Skills & Operational Fit

Insufficient data to assess soft skills or operational fit. No psychometric test results or interview feedback provided.

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Projects

veste

June 19, 2026 – Present

Guarda-roupa virtual offline-first. PWA 100% local, sem servidores. Instalável na tela inicial, funciona offline, atualiza automaticamente

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mare-app

June 13, 2026 – Present

O aplicativo é um Progressive Web App (PWA) projetado para o acompanhamento diário do ciclo menstrual, sintomas físicos e humor. A filosofia central do projeto é a Privacidade Absoluta (Offline-First)

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lista-compras

June 4, 2026 – Present

SmartCheck é um PWA de lista de compras inteligente, reutilizável e offline-first. Sem cadastro, sem servidor, sem dependência de internet. Os dados ficam armazenados localmente no navegador via IndexedDB.

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friccao-zero-financas

May 25, 2026 – Present

"registrar um gasto deve ser tão rápido quanto enviar um WhatsApp

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Exploradores-do-Espa-o

April 21, 2026 – Present

Um jogo educativo interativo sobre o Sistema Solar para crianças

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aventura-do-alfabeto

April 11, 2026 – Present

Aventura do Alfabeto é um jogo educativo interativo desenvolvido com um PWA.

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5diautil

October 5, 2024 – October 5, 2024

5diautil — GitHub repository

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jonathancosta.github.io

October 5, 2024 – October 5, 2024

jonathancosta.github.io — GitHub repository

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JonathanCosta

December 3, 2020 – December 21, 2024

JonathanCosta — GitHub repository

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AulaTrabalho

April 12, 2017 – June 2, 2017

Aula Teobaldo

View Project

Key Strengths

Strong portfolio of personal projects demonstrating practical application of Frontend technologies.
Extensive experience with Vue.js, JavaScript, HTML, and CSS, aligning well with a Frontend Developer role.
Demonstrated understanding of Progressive Web App (PWA) principles, including offline-first and local data storage (IndexedDB).
Focus on user privacy and local-first architectures in several projects.

Cultural & Operational Fit

Cultural Fit Analysis

Soft Skills & Operational Fit

Insufficient data to assess soft skills or operational fit. No psychometric test results or interview feedback provided.

Jonathan Martins Costa

Key Strengths

Cultural & Operational Fit

Top Skills

Skills

Projects

Key Strengths

Cultural & Operational Fit