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Young software developer focused on web site creation, passionate about current innovations in the scene. Bachelor’s degree in Information Systems from Universidade de São Paulo (USP), with advanced proficiency in English and strong skills in modern frontend development and JavaScript/React-based projects. Experienced in end-to-end web development (design, backend, frontend, infrastructure, and deployment), debugging and optimizing code, and ensuring maintainable, scalable solutions using modern best practices. Also works with data handling and analytics using Python and AWS services, and performs QA on AI-generated code to improve correctness, security, performance, and compliance.…Young software developer focused on web site creation, passionate about current innovations in the scene. Bachelor’s degree in Information Systems from Universidade de São Paulo (USP), with advanced proficiency in English and strong skills in modern frontend development and JavaScript/React-based projects. Experienced in end-to-end web development (design, backend, frontend, infrastructure, and deployment), debugging and optimizing code, and ensuring maintainable, scalable solutions using modern best practices. Also works with data handling and analytics using Python and AWS services, and performs QA on AI-generated code to improve correctness, security, performance, and compliance.

Ana Silva

Web Developer, Front-End Developer, Back-End Developer, +3

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Young software developer focused on web site creation, passionate about current innovations in the scene. Bachelor’s degree in Information Systems from Universidade de São Paulo (USP), with advanced proficiency in English and strong skills in modern frontend development and JavaScript/React-based projects. Experienced in end-to-end web development (design, backend, frontend, infrastructure, and deployment), debugging and optimizing code, and ensuring maintainable, scalable solutions using modern best practices. Also works with data handling and analytics using Python and AWS services, and performs QA on AI-generated code to improve correctness, security, performance, and compliance.…Young software developer focused on web site creation, passionate about current innovations in the scene. Bachelor’s degree in Information Systems from Universidade de São Paulo (USP), with advanced proficiency in English and strong skills in modern frontend development and JavaScript/React-based projects. Experienced in end-to-end web development (design, backend, frontend, infrastructure, and deployment), debugging and optimizing code, and ensuring maintainable, scalable solutions using modern best practices. Also works with data handling and analytics using Python and AWS services, and performs QA on AI-generated code to improve correctness, security, performance, and compliance.

Available to hire

Young software developer focused on web site creation, passionate about current innovations in the scene. Bachelor’s degree in Information Systems from Universidade de São Paulo (USP), with advanced proficiency in English and strong skills in modern frontend development and JavaScript/React-based projects.

Experienced in end-to-end web development (design, backend, frontend, infrastructure, and deployment), debugging and optimizing code, and ensuring maintainable, scalable solutions using modern best practices. Also works with data handling and analytics using Python and AWS services, and performs QA on AI-generated code to improve correctness, security, performance, and compliance.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Portuguese

Fluent

English

Advanced

Work Experience

AI - AI Quality Assurance for React Tasks at Outlier AI

January 1, 2026 - Present

Performed quality assurance on AI-generated code, validating quality, security, performance, and compliance with best practices for React, TypeScript, JavaScript (ES6+), and Node.js. Reviewed full-stack applications, identifying bugs, code smells, anti-patterns, architectural issues, and optimization opportunities across frontend, backend, and REST APIs. Delivered structured technical feedback to improve LLMs, enhancing the quality and reliability of AI-generated software. Applied clean code, SOLID principles, software architecture, code review, and performance optimization practices throughout the validation process.

Senior Software Developer at Tutano

January 1, 2025 - Present

Evaluated AI-generated JavaScript (ES6+) code to ensure correctness, efficiency, maintainability, and compliance with modern frontend development best practices. Identified and resolved bugs, code smells, anti-patterns, and performance bottlenecks, delivering optimized and scalable solutions. Designed and validated frontend solutions involving advanced DOM manipulation, event handling, state management, async/await, closures, and core JavaScript concepts. Assessed architecture and code quality of applications built with React, Vue.js, and Node.js, focusing on readability, scalability, maintainability, and performance. Produced clear technical documentation covering software architecture, state flow, event-driven behavior, and implementation decisions. Evaluated complex UI/UX scenarios including responsive layouts, interactive components, rendering optimization, and user experience. Applied clean code, SOLID principles, frontend engineering best practices, and performance optimization t

Freelance Web Developer

January 1, 2023 - January 1, 2026

Developed websites for partner companies on a freelance basis, using React, Next.js, TypeScript, and PostgreSQL. Actively maintained projects through CI/CD practices with hosting on Vercel. Integrated automated tests using unit, component, and integration testing libraries, employing Jest and Cypress IO. Worked across all stages of website creation: design, backend, frontend, infrastructure, and deployment. Developed data application and dashboard projects (e.g., comodix.com.br) using AI tools such as ChatGPT and DeepSeek to generate reports based on project data. Experienced negotiating and presenting projects to clients and training teams to use and maintain the systems.

Intern (Data/AI) at Cielo

January 1, 2023 - December 31, 2024

Handled data applications and dashboards using Python inside AWS and box, integrating services including SageMaker, S3, Athena, and EMR. Assisted the team with client pricing impact analyses and devised a Control Group for client pricing with deeper focus on Data Science and Statistics. Used office tools such as Excel and PowerPoint for internal team presentations, including some presentations with executive-level viewership. Supported team integration and collaboration toward set goals with good communication skills and a sense of leadership, and complied with Cielo regulations on information security and ethics.

Freelance Web Developer at Self-Employed / Freelance

January 1, 2022 - Present

Experience in developing websites for partner companies on a freelance basis. Proficient with React, Next.js, TypeScript, and PostgreSQL. Knowledge in actively maintaining projects through CI/CD practices with hosting on Vercel. Implemented automated tests using unit, component, and integration testing libraries, including Jest and Cypress IO. Involved in end-to-end website creation including design, back-end, front-end, infrastructure and deployment. Project development using Git flow. Developed data dashboard applications and dashboards on platforms such as comodix.com.br; leveraging AI tools like ChatGPT and Deep Seek to create reports. Led client negotiations and presentations; trained teams to use and maintain the systems.