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Marcos Freitas

@marcosfreitas

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Software Engineer, Tech Lead, Systems Analyst, Full-Cycle / Full-Stack Developer, DevOps, PIX

Brazil

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What I'm looking for

I am seeking a new challenge as a Master/Senior III Software Engineer where I can leverage my skills to create innovative web solutions and make a meaningful contribution to the success of the organization.

With over 10 years of experience in web development and a degree in Information Systems, I have expertise in developing web applications using various programming languages and frameworks. I have a proven track record of delivering high-quality solutions that exceed client expectations. Moving forward, I am seeking a new challenge as a Senior Software Engineer where I can leverage my skills to create innovative web solutions and make a meaningful contribution to the success of the organization.

Experience

Work history, roles, and key accomplishments

Senior Software Engineer

banQi

Jul 2021 - Apr 2023 (1 year 9 months)

Instant Payment System Integration
● Main goal: Build and Maintain microservices to integrate the PIX instant payment system, the React
Native mobile app, and the VueJs WEB App.

Special Refund Mechanism
● Main goal: Built a microservice and a VueJS dashboard, used by the internal team to handle fraud
requests in PIX transactions.
● Details and Responsibilities: The

NestJS GitHub Actions Jest Kafka PostgresSQL DDD Kibana React Native ReactJS TypeScript

Senior Full-Stack Developer

i9xp

Sep 2020 - Jul 2021 (10 months)

Internal Systems and E-commerce Platform Development
● Main Goal: Develop and implement internal systems to meet department demands and create new
features for the native e-commerce platform.

NodeJS NestJS NoSQL Kafka Redis PHP MySQL Vue.Js

Tech Lead

OKN Group

Feb 2018 - Sep 2020 (2 years 7 months)

Referral System
● Main goal: To architect and construct a referral system written in JavaScript and NodeJS during an innovation period that could potentially be used by clients as well as being an internal product.

Project Management
● Main goal: Develop and implement strategies to enhance team performance and optimize client
satisfaction.

ExpressJS NodeJS MongoDB BPM REST API Linux Server Administration Software Architecture

Systems Analyst | Backend Engineer

OKN Group

Aug 2016 - Sep 2020 (4 years 1 month)

WEB platform and APIs for an educational company (ittrends.com).
● Main Goal: Develop a group of APIs for registering, paying, and delivering paid content.

probono.org.br registration Web App and API.
● Main Goal: Develop a scalable and efficient registration system for Probono's volunteer and demand
management system.

Laravel PHP OAUTH2 Payments AWS

Analyst Programmer

Mirante TV

Feb 2015 - Aug 2016 (1 year 6 months)

I maintained, improved, and developed new modules of the company's internal CMS in Classic ASP and SQL
Server, as well as developed new products in PHP, MySQL, and Front-End technologies.

PHP MySQL CSS3 HTML5