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Luiz F.
Full-stack Product Engineer

Node.js
Apollo Graphql
Typescript
Javascript
Php
Python
Postgresql
Mysql
Mongodb
Redis
Microsoft Azure
Amazon Aws
Docker Cloud
React
Bio

A software developer with six years of experience in diverse project settings, specializing in full-stack development utilizing JavaScript, TypeScript, Node, PHP, Postgres, MySQL, React, MongoDB, and related technologies. Holds a Bachelor's degree in Computer Science and possesses a strong track record of building intricate back-end and front-end solutions within small to medium-sized company environments. Emphasis is placed on clean code, well-structured software, and the development of features from inception. Proficient in understanding software requirements, problem analysis, and implementation of optimal solutions, ensuring all software is high in quality, easily maintainable, and performant. Additionally, has a background in mentoring junior developers and disseminating accumulated expertise.

Effective at communicating with various stakeholders throughout the development process to resolve issues efficiently. Rapidly adapts to new technologies and team dynamics, always pursuing continuous improvement and learning. Engages comprehensively in the entire development lifecycle, from initial planning to deployment.

  • Software Engineer
    11/1/2022 - Present

    Developed a metrics portal for the Open Insurance ecosystem, regulated by the insurance regulatory body in Brazil. The portal collects and disseminates data regarding the availability of APIs from insurance companies across Brazil. Undertook comprehensive requirements assessment for new portal functionalities through to full software development. Emphasizing project scalability, utilized the Azure ecosystem with Azure Functions, Cosmos DB, and Typescript. Ensured robust quality control through automated testing with Jest.

  • Full Stack Engineer
    10/1/2021 - 11/1/2022

    Developed new features and maintained existing software for a course-selling platform, utilizing modern technologies such as Node.js, React, and GraphQL. Implemented PostgreSQL and Hasura for database management, ensuring smooth operation and handling of large data volumes. Migrated backend services to AWS Lambda for uninterrupted scalability regardless of user count, and integrated Amazon SQS and Redis for efficient queue management and caching. Created a reliable and scalable bulk SMS and voice call tool using Node.js and AWS messaging service SQS. Employed Jest for automated testing to ensure system stability, particularly for critical validation methods. Optimized data imports using SQS and Redis, achieving up to an 80% reduction in data import time while adding user features. Contributed to the design, structure, and development of the module responsible for sending bulk SMS and voice calls.

  • Full Stack Developer
    8/1/2020 - 9/1/2021

    Developed expertise in a range of technologies, including PHP, JavaScript/Node, React, Docker, Vue.js, MongoDB, and PHPUnit. Responsibilities included the development of new features, bug fixing, and interpreting customer requirements to create tailored solutions. Contributed to both the maintenance of legacy systems and the development of a new system for managing employee vacations. Improvements were made in the turnstile control system to ensure alignment with data privacy regulations, specifically LGPD. Successfully implemented a vacation management system for a large retail organization with over 50,000 employees.

  • Full Stack Developer
    8/1/2017 - 8/1/2020

    Developed, maintained, and supported a system designed to extract reports for cost reduction specialists in the telephony industry. Utilized PHP, JavaScript, jQuery, SQL, PostgreSQL, MySQL, and MongoDB to build and enhance the system. Provided maintenance and support to other developers, ensuring the continuity and stability of the project. Conceptualized and implemented new functionalities, delivering high-quality end products that significantly impacted cost efficiency.

    Achievements included reducing telephony costs by up to 50% for large companies through system functionalities. Automated report extraction processes from PDF phone bills, cutting specialists' time by approximately 50%. Created a bot to automatically retrieve bills from non-API platforms, increasing user work efficiency by up to 40%. Developed an MVP project leveraging Artificial Intelligence to identify billing errors and potential cost reductions in phone bills. Implemented a multi-threaded solution that optimized data processing time by up to 80%.

  • Programming Intern
    10/1/2016 - 8/1/2017

    Developed and maintained software using PHP, JavaScript, jQuery, SQL, PostgreSQL, and MySQL. Focused on extracting phone bill reports to assist cost reduction specialists in the telecommunications industry. Utilized SQL query optimization techniques and developed automated routines to generate detailed reports in multiple formats. Enabled specialists to quickly identify bottlenecks and cost reduction opportunities, resulting in an efficient and user-friendly tool for telecommunications expense management.

  • Computer Science at Itajaí Valley University
    2014 - 2019

  • Computer Science at University of Minho
    2015 - 2016

  • Entrepreneurship at Itajaí Valley University
    2020 - 2021

  • EF SET English Certificate 74/100 (C2 Proficient) at EF Standard English Test (EF SET)
    6/1/2022

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