Marcus V.
Full-stack Product Engineer

Skills

Node.js

Laravel

Typescript

Java

Javascript

Python

Postgresql

Mysql

Sqlite

Mongodb

Redis

Docker Cloud

React

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Bio

Marcus Vinicius, a 22-year-old professional from Manaus-AM, graduated with a degree in Computer Science from Centro Universitário do Norte - Uninorte in December 2021. With over seven years of experience as a fullstack developer, he has a strong emphasis on backend development. His technical expertise encompasses a variety of databases, including SQL databases such as MariaDB, MySQL, SQLite, and PostgreSQL, as well as NoSQL and Big Data technologies like MongoDB, Redis, RabbitMQ, BigQuery, and ElasticSearch.

Proficient in several programming languages, Marcus specializes in JavaScript, TypeScript, Python, PHP, Laravel, and React. He has a demonstrated ability to create large and scalable APIs using frameworks and tools such as Node.js, Express.js, Restify, and Microservices. His proficiency extends to containerization and orchestration technologies like Docker and Docker Compose, ensuring robust and scalable deployments.

Additionally, Marcus is well-versed in CI/CD practices, utilizing Github Actions and test automation frameworks including Jest, Supertest, Chai, and Mocha. His skills also cover load testing and stress testing methodologies to ensure application reliability under varying conditions.

In terms of software development methodologies, Marcus is knowledgeable in Scrum and utilizes Jira for project management. His DevOps skills include server configuration, application deployment in containers, and maintaining up-to-date operational environments, ensuring optimal control and performance of applications.

Mid-Level Backend Developer III
2/1/2022 - Present

Developed comprehensive expertise in SaaS software development, specializing in system development and maintenance for existing platform systems and integrations. Spearheaded projects aimed at enhancing customer interaction and satisfaction, including drafting projects from inception, creating data flows, designing databases, and conducting case studies. Implemented update flows using RabbitMQ and deployed cloud-based solutions. Integrated seamlessly with partner platforms. Demonstrated technical proficiency in software development using Node.js and Express.js, and utilized RabbitMQ and MongoDB effectively. Employed worker processes, middlewares, and automated testing tools such as Chai and Mocha. Ensured robust continuous delivery pipelines with CI/CD, conducted load testing, and managed JWT for secure communication. Efficiently handled storage solutions using Amazon S3.
Mid-Level Developer
12/1/2021 - 2/1/2022

The role involved significant contributions to software development, leveraging React.js, Python, Node.js, and Express.js. Mastery in integrating and utilizing various tools and frameworks such as Middleware, Docker, Docker Compose, and JavaScript was demonstrated. Database management and operations were proficiently conducted using MariaDB, PostgreSQL, BigQuery, Redis, and MongoDB. Advanced skills in TypeORM, microservices architecture, and proxy configurations were developed, alongside crafting and managing CRUD applications.

Successfully implemented collaborative workflows and continuous integration/continuous delivery (CI/CD) pipelines using Github Actions. Demonstrated expertise in automated testing frameworks including Jest, Supertest, Chai, and Mocha, ensuring high-quality code through comprehensive load testing. Ensured secure authentication processes with JWT and applied best practices in dependency injection and deployment strategies.

Led the development of high availability REST applications, incorporating job processing and Redis Queue for efficient task management and automated alert systems through WhatsApp. Contributed to Big Data solutions, utilizing GraphAPI and ElasticSearch for extensive data analytics.
IT Intern
2/1/2021 - 12/31/2021

Led the development and debugging of applications, actively contributing to the planning and execution of new projects. Utilized programming languages including Java, Python, C#, Node.JS, and PHP frameworks such as Laravel. Engaged extensively with front-end technologies like Angular and JavaScript, while ensuring back-end robustness using Web, Restify, and Docker. Deployed scalable solutions using Docker Compose, and managed databases including MariaDB, PostgreSQL, BigQuery, Redis, and MongoDB. Specialized in developing BigData solutions leveraging GraphAPI, ElasticSearch, Data Analytics, among others. Assisted in the administration of networks and servers, provided maintenance of computers, and delivered user support. Played a key role in the deployment of network infrastructure and CCTV systems. Implemented a HelpDesk system to streamline employee support and enhance operational efficiency.
FullStack Developer
8/1/2018 - 6/30/2020

Developed BigData solutions using Python, Java, JavaScript, and TypeScript. Created REST APIs for data consumption leveraging Restify and NodeJS frameworks. Implemented data matching and smart search functionalities utilizing Elasticsearch. Engineered scalable Docker solutions for services hosted on AWS and Azure servers. Developed scalable applications in Java with integrations involving Redis and MariaDB. Designed and implemented solutions to support high user demand on shared services.
Freelance Developer
4/1/2018 - 2/28/2021

Developed systems using Java, MySQL, SQLite, ReactJS, NodeJS, HTML5, CSS3, PHP, JavaScript, C#, Git, Maven, Redis, and Docker. Implemented responsive and fast-loading code on websites, resolved errors and bugs, and introduced new systems. Maintained websites using WordPress. Created a Telegram bot with full API integration. Developed a complete and functional Minecraft network through Java, MySQL, and Redis, which included unique features not found on similar servers.