Gustavo D.
Back-end and Systems Engineer

Skills

Node.js

Javascript

Amazon Aws

React

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Bio

An experienced developer with over five years in the creation of digital products and services for both national and international enterprises. Dedicated to professional growth in a Tech Lead role, with a focus on continuous learning, skill enhancement, and fostering growth among colleagues.

Backend Developer
8/1/2022 - 8/1/2023

Developed expertise in payment integrations and the creation and scaling of generic microservices to support diverse operational areas within a health tech environment. Improved the performance of existing APIs in production, including a significant optimization of an appointment update request, reducing the average response time from 40 seconds to 5 seconds. Engaged in comprehensive backend development using advanced frameworks and tools, enhancing system efficiency and reliability.
Senior Software Developer | Squad Leader
8/1/2021 - 8/1/2022

Led the Pulse Solution development team to develop and maintain features for the customer service platform while collaborating with the product and operations teams to address issues and devise high-performance solutions. Managed a team of seven full-stack developers, ensuring the delivery of 26 out of 27 OKRs in the first quarter of 2022. Successfully decomposed a monolith-based architecture into microservices, and introduced new technologies and architectures to enhance system performance and scalability.
Backend Developer
1/1/2021 - 8/1/2021

Developed new features for a productivity application, including payment integrations with Apple Store and Google Play, while ensuring the quality of existing functionalities. Undertook the migration of a legacy API from PHP to a monorepo application utilizing NodeJS, KoaJS, and Prisma with a PostgreSQL database. Managed application infrastructure, with a focus on Docker containerization and AWS EC2 instances.
Backend Developer
12/1/2020 - 10/1/2021

Engaged in diverse projects ranging from travel systems to mobile applications centered on mental health, with responsibilities including maintaining and developing new features using NodeJS and various tools such as AWS, Adonis, NestJS, and Express. Achieved significant technical proficiency by managing project quality through comprehensive technical analysis of new features, conducting code reviews, and providing daily support to team developers.
Software developer
1/1/2020 - 12/31/2020

Redeployed the application front-end by applying a new interface design and migrating from ReactJS to NextJS. Contributed knowledge and implementation skills in the Atomic Design methodology. Developed new features and initiated the practice of writing unit tests for the application using Jest. Planned and executed the integration of the payment system with Pagarme. Maintained the REST API utilizing a technology stack that included TypeScript, Express, Redis, PostgreSQL, and MongoDB.
Software developer
1/1/2019 - 12/31/2020

Developed solutions in accounting and company management for major projects involving large-scale enterprises. Utilized a diverse technology stack, including ReactJS, NextJS, Python, NodeJS, Express, AWS, MongoDB, and DynamoDB. Gained experience in leading small project teams, demonstrating leadership and project management abilities.
Android and Web Developer
1/1/2017 - 12/31/2017

During the internship, developed a complete application for a health symposium using Native Android with the Java language, showcasing proficiency in mobile application development. Additionally, implemented and maintained functionalities within a .NET Framework system, demonstrating skills in .NET programming and system upkeep.