Vitor Nascimento dos Santos Costa da Silva

Senior Software Engineer

Fincast•  October 2023 - Present•  United States, Remote

- Led the strategic migration of the Serverless API from Prisma to Drizzle, boosting API efficiency by 30% and enhancing system scalability. - Executed comprehensive unit and integration tests using Vitest within a CI/CD framework, ensuring high-quality code for robust Frontend and Backend services, including API route creation and database integrations. - Improved frontend performance and build time by 70%. - Collaborated with UI/UX designers to revamp the website's visual identity, significantly boosting user engagement by 65% and improving user retention metrics. - Enhanced system security by configuring AWS WAF, curtailing security incidents by 90% through proactive threat mitigation strategies.

Software Engineer

Klever•  November 2020 - October 2023•  Estonia, Remote

- Directed a team of 3 frontend developers, enhancing project delivery through Scrum practices. - Rolled out automated testing with Jest and Cypress, slashing defect rates by 90% and boosting software reliability. - Drove the integration of Web3 technologies, including MetaMask and TronLink, elevating our platform's market position by tapping into new blockchain capabilities. - Elevated WebApp’s SEO and accessibility scores to 95 and 97 respectively, significantly surpassing industry benchmarks. - Developed a scalable Design System, cutting development time by 40% and significantly enhancing UI consistency across multiple projects, leading to streamlined project execution.

Software Engineer

Tecla T•  February 2020 - November 2020•  Brazil, Remote

- Guided a cross-functional team of 5 developers in delivering 4 high-impact projects, boosting team productivity by 35% through enhanced collaboration and agile methodologies. - Optimized and maintained key mobile applications and CRM systems, enhancing system uptime and performance by 20%. - Created a reusable delivery application template, which was adopted across the company, slashing development timelines by 50% and enhancing project scalability.

Software Engineer

Unifor•  February 2019 - February 2020•  Brazil, Remote

- Developed user-centric applications for healthcare professionals, enhancing patient management and data accessibility using React, React Native, and Node.js. - Architected and deployed scalable APIs and mobile applications, improving data handling and user experience for all end-users. - Led the creation of detailed requirements documents and user interface prototypes, significantly reducing development revisions by 40%.