Jefferson F.
Back-end and Systems Engineer

Skills

Node.js

Cascading Style Sheets

Sql

Html

Java

Javascript

Amazon Aws

Docker Cloud

Angular

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Bio

A dedicated Junior Node JS Developer with a strong commitment to continuous learning and professional growth. Focus areas include skill enhancement through rigorous coding practice and active engagement with experienced industry professionals.

Senior Backend Developer
1/1/2023 - Present

Led the payment processing team focusing on recurrence and cancellation functions, integrating benefits management systems with medical center applications to validate patient activity and benefit eligibility based on purchased plans. Refactored legacy codebase, implementing TypeScript and fostering a robust testing culture within applications.
Mid-Level Backend Developer
7/1/2022 - 11/1/2022

Refactored an omnichannel multi-tenant platform tailored for physical stores, supporting renowned clients including Armani, Hugo Boss, Estée Lauder, and Nestlé. Enhanced application flow through comprehensive refactoring, implemented robust testing methodologies, and adhered to best practices using TypeScript. Made crucial adjustments enabling the application to support sales distribution to multiple stores within the same customer group, leveraging geolocation technology for accurate sales allocation.
Full Stack Developer
12/1/2020 - 6/1/2022

Developed and maintained a profit distribution system and sales distribution by geolocation, implementing specific rules for each product or store to ensure accurate sales and profit allocation. Implemented a robust product management system on the VTEX platform to enhance sales operations, aiming to standardize product data across all dealers from major companies. Engineered the backend of a logistics system to optimize operational efficiency by registering Pickup and Delivery Points (PUDO) and defining service radii. Integrated a map-based frontend to display nearby points, facilitating economical deliveries. Key technologies and frameworks utilized include VTEX for e-commerce solutions, and mapping and geolocation tools for logistical enhancements.
Junior Developer
7/1/2018 - 11/1/2019

Gained extensive experience in maintaining an ERP system, including modules for HR management, accounting, and process/report management. Created a time tracking application for internal employees, inspired by Ponto Mais, and ensured direct integration with the existing ERP. Conducted the maintenance of the frontend of the presentation website, utilizing jQuery to ensure seamless user experience and functionality.
Junior Developer
7/1/2017 - 7/1/2018

Developed expertise in maintaining various integral systems, including ERP, HR management, accounting, and process/report management systems. Handled maintenance tasks for the frontend of a presentation website utilizing jQuery. Executed critical adjustments in an Android app to prepare it for production launch, ensuring seamless integration with an ERP system developed in Clipper, specifically catering to employees working in different states.