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Alexandre Lourenco

Development
São Paulo, Brazil

Skills

React.js

About

Alexandre Lourenco's skills align with Programmers (Information and Communication Technology). Alexandre also has skills associated with Web Professionals (Information and Communication Technology). Alexandre Lourenco has 7 years of work experience.
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Work Experience

Full Stack Engineer

Token Metrics
September 2021 - May 2024
  • * Led the design and implementation of the Astra DAO website using Angular 12.2, ensuring a responsive and user-friendly interface that received positive feedback from users. * Maintained and optimized backend systems using Spring Boot, integrating Snowflake for efficient data handling, which resulted in a 30% reduction in data retrieval times. * Integrated smart contracts to facilitate seamless cryptocurrency transactions and investments on the platform, enhancing the overall security and efficiency of financial operations. * Developed reusable hooks with React Query to standardize data fetching logic across the application, promoting code reuse and maintainability. * Contributed to the development of an advanced Crypto Chatbot for the Token Metrics website, enhancing user support and engagement through AI-driven responses, resulting in a 40% increase in user interaction. * Successfully migrated the Astra DAO platform from Angular 12 to Next.js, leveraging React, Tailwind CSS, and TypeScript for improved performance, scalability, and developer experience, which improved page load times by 25%. * Transitioned the deployment infrastructure from GCP to Kubernetes, achieving better scalability, load balancing, and streamlined deployment processes, which reduced downtime by 15%. * Spearheaded the development of a new crypto launchpad feature, responsible for the complete frontend development using React, Next.js, Tailwind CSS, and TypeScript. * Integrated backend systems and smart contracts to ensure secure and efficient launchpad operations, facilitating multiple successful token launches. * Developed and deployed Telegram, Discord, and Twitter bots to support launchpad activities and enhance community engagement, utilizing bot frameworks and APIs for seamless integration, which increased user engagement by 50%. * Coordinated with cross-functional teams to ensure project milestones were met on time, contributing to a collaborative and productive work environment.

Senior Full Stack Developer

Intapp
August 2020 - August 2021
  • * Developed a human movement tracking platform using React 18, Mantine, and Hibernate Core, improving efficiency in tracking and managing human resources, which enhanced the accuracy of movement tracking by 20%. * Led the front- and back-end development of real-time geolocation tracking, implementing background location tracking and geofencing with battery-conscious motion-detection intelligence for iOS and Android using React Native and the Google Maps API. * Enhanced user experience by working with animations and gestures, avoiding bridge communication between React and the Native layer to increase performance, which improved app responsiveness by 30%. * Tracked and resolved bugs using Jira as a reporting tool, reducing the number of unresolved issues by 50% within the first three months. * Orchestrated the deployment of the platform on a cloud-based infrastructure using Docker and Kubernetes, ensuring scalability and reliability, which supported a user base growth of 40%. * Collaborated with the design team to refine UI/UX elements, ensuring a seamless and intuitive user experience. * Conducted regular code reviews and provided mentorship to junior developers, fostering a culture of continuous improvement and learning within the team. * Implemented security measures to protect user data and ensure compliance with industry standards.

Frontend Developer

PCL Technology
January 2018 - July 2020
  • * Contributed to building a new infotainment system for Ford's all-electric vehicle program, which was successfully integrated into the latest vehicle models. * Designed and developed responsive and user-friendly web and mobile applications using React 16.8, Redux, TypeScript, Tailwind CSS, and React Native, which improved customer satisfaction rates by 35%. * Integrated APIs and microservices into applications to optimize performance and functionality, implementing authentication and authorization using JSON Web Tokens to enhance security and user privacy. * Collaborated with the backend team to develop a backend from scratch using Node.js and Apollo GraphQL, improving the speed of the human management tracking platform by 40%. * Conducted unit testing and integration testing to ensure the quality and reliability of the codebase, reducing bugs in production by 25%. * Worked closely with the product team to understand user requirements and translate them into technical specifications, ensuring the delivered product met all user expectations. * Participated in Agile ceremonies, contributing to sprint planning, daily stand-ups, and retrospectives to ensure continuous improvement in the development process. * Provided post-deployment support and maintenance, addressing any issues promptly and ensuring continuous operation of the applications.

Web Developer

Tekskills
November 2016 - November 2017
  • * Developed a synchronization trigger that channels data from PostgreSQL to Elasticsearch, increasing full-text search speed by almost 90%, making a list of suggestions available for website search needs. * Refactored existing code to improve the performance of a heavy Angular 4 frontend by communicating with Node.js and Express.js via REST API, which enhanced application performance by 20%. * Developed a mailing product that leverages AWS SES, S3, and SNS, providing a higher-level interface over lower-level infrastructure, which streamlined communication processes. * Improved mobile user experience by making applications, charts, and drawings react to touch events, resulting in a 25% increase in mobile user engagement. * Worked in a team of 5 to develop a new UI framework based on a styled system, TypeScript, and React 15.0, which improved the consistency and maintainability of the UI components. * Implemented continuous integration and continuous deployment (CI/CD) pipelines, automating the build and deployment processes to ensure faster delivery of features and bug fixes. * Assisted in the migration of legacy systems to modern web technologies, ensuring smooth transition and minimal disruption to users.

Education

Nanyang Technological University

Bachelor in Computer Science
April 2012 - September 2016