Hermmann B.Full-stack Product Engineer
Skills
Developer with over five years of experience, demonstrating a consistent enthusiasm for learning and self-improvement. Proficient in developing systems for project management, quality control, and event scheduling. Experience includes contributing to open-source systems by creating components for collaborative projects using the Dorothy framework. Responsibilities have included the creation of a training platform capable of certificate issuance and the development of various tools to facilitate system integration. Expertise primarily lies in JavaScript and C#.
Full Stack Developer PJ/Freelancer
1/1/2021 - Present
Developed tools and components in React and Node.js for a collaborative project framework, resulting in significant enhancements over a period of 1 year and 4 months. Created customized software solutions for purchase budget elaboration using the Node.js and React stack within a Windows environment over 4 months. Improved and maintained a quality control system built in .NET for continuous quality assurance since June 2019. Maintained infrastructure on Amazon AWS and DigitalOcean, and worked on a foreign exchange operations information system using Node.js and React, demonstrating technical expertise in cloud services and modern web frameworks since November 2023.Junior/Mid-level Full Stack Developer
9/1/2019 - 9/1/2020
Executed adjustments and enhancements in applications and internal/external systems (SaaS) across multiple versions of ASP, VB, and .NET Core. Addressed critical faults in a task time management system for development and support teams, initially crafted in PHP and Angular. Developed a specialized Web Service using (asmx/wsdl) for seamless information integration between the customs clearance system and the client's ERP. Conducted maintenance and introduced new features for an internal ERP focused on foreign trade, utilizing Vue.js. Engaged actively with development and maintenance teams following Agile methodologies, significantly contributing to deadline definitions alongside team members and project managers.Junior/Mid-Level Full Stack Developer
1/2/2017 - 1/1/2019
Developed proficiency in requirements analysis, prototyping, and software development using .NET Framework (MVC) and Razor. Responsible for designing and structuring databases with SQL Server and Entity Framework. Contributed to the ongoing development of an event scheduling system for courses and trainings, leveraging .NET Framework and Vue-cli for interfaces, with integration via RESTful API. Created a comprehensive dashboard for viewing event history using Vue-cli, ensuring seamless API integration and data consumption.Support Analyst / Junior Web Developer
1/2/2014 - 1/1/2017
Provided Level 1 and 2 technical support and customer service through remote access, telephone, and email. Administered various training sessions on tintometric systems. Participated in bug fixing and hotfixes using PHP and performed manual testing to validate new features. Developed a tool for unified project management using .NET Framework 4/5 with MVC. Created routines to improve performance and indexing of tables in Oracle 11g/12g and SQL Server databases.
Analysis and Development of Systems at Fatec Indaiatuba
2012 - 2016Information Technology Management at Campinas College of Technology
2023 - 2025
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