Jeferson L.

CTO

Senior Software Engineer | FullStack | PHP | Laravel | Vue | NodeJS
1/1/2022 - Present

Developed a comprehensive brand and corporate identity for an online accounting company. Led the end-to-end development of the web application, managing both front-end and back-end aspects. Utilized a range of tools and frameworks, including PHP for server-side scripting and Vue.js for an interactive user interface. Implemented data management solutions using PostgreSQL and MongoDB. Ensured version control and collaborative code maintenance through Git. Played a crucial role in advancing the project to the investment and acceleration phase, currently serving as a senior developer, overseeing development efforts and ensuring quality and performance of the web application.

Senior Software Engineer | CTO - Chief Technology Officer | NodeJS | PHP | Laravel | .NetCore
1/1/2016 - 12/1/2021

Served as the Director of Technology for a period of four years, overseeing and coordinating multiple projects while actively mentoring within the startup ecosystem. Developed extensive expertise in project management, agile methodologies, and team leadership. Gained proficiency in modern technology stacks including JavaScript frameworks (React, Angular), backend development (Node.js, Python), and cloud infrastructure (AWS, Azure). Utilized tools such as JIRA, Confluence, and Trello for efficient project tracking and collaboration. Demonstrated skills in database management using MySQL and MongoDB, and implemented CI/CD pipelines using Jenkins and GitLab. Enabled robust startup innovation by providing technical guidance and fostering a collaborative environment, driving technological advancements and successful project executions.

Senior Software | Security Engineer | NodeJs | PHP | Laravel
1/1/2016 - 8/1/2018

Achieved proficiency in Python, Java, and C++. Mastered the use of security frameworks such as Metasploit and Wireshark. Developed extensive knowledge in vulnerability assessment and penetration testing methodologies. Implemented security protocols utilizing OWASP guidelines and NIST standards. Managed and analyzed large datasets using SQL and NoSQL databases, specifically PostgreSQL and MongoDB. Demonstrated strong capabilities in network configuration and management with tools like Cisco Packet Tracer and Wireshark. Ensured secure application development through static and dynamic code analysis using tools like SonarQube and Burp Suite. Effectively used version control systems including Git and GitHub for collaborative software development and code maintenance.

FrontEnd Software Engineer | FullStack Engineer | Ruby | Rails | PHP | Laravel
1/1/2015 - 10/1/2016

Developed advanced expertise in Ruby through active involvement in a startup environment. Contributed to winning the award for the best project in Rio Grande do Sul, Brazil. Played a key role in representing the startup at international events, demonstrating excellence in innovation and project execution.

Senior Software Engineer | CTO - Chief Technology Officer
1/1/2015 - Present

Founded a software house and participated in a myriad of projects. Developed proficiency in PHP, Doctrine, and Silex, while extensively working on Ext JS 4.2, NodeJS, and Vue.js. Demonstrated skills in PostgreSQL and MongoDB. Ensured collaborative code maintenance using SVN and Git. Enhanced expertise in backend and frontend web development through diverse, client-driven projects. Utilized frameworks and tools to deliver robust, scalable solutions with a focus on performance and user experience. Specialized in deploying high-availability applications and maintaining strict code quality standards. Drove the technical direction and implemented best practices in software development, resulting in streamlined workflows and improved project outcomes.

Internet System at Federal University of Santa Maria
2014 - 2017