Lucas M.

Back-end and Systems Engineer

Java Software Developer
2/1/2023 - Present

Specialized in implementing and maintaining REST APIs with a focus on Java as the primary programming language. Demonstrated proficiency in PL/SQL for Oracle, creating database scripts to ensure optimal performance. Operated within an agile Kanban framework to streamline processes, emphasizing efficiency and adaptability. Responsibilities included conducting unit tests and integration tests to ensure system robustness and coherence. Regularly utilized tools such as Jenkins, Git, Jira, Docker, and Sonar to enhance project development and delivery.

Backend Developer
11/1/2022 - 2/1/2023

Led the development of a financial institution tailored for e-commerce, from inception to deployment. Utilized Node.js to construct a robust network of microservices forming the platform's backbone. Employed AWS Lambda to ensure seamless operational performance. Demonstrated expertise with version control and continuous integration using Git. Frequently leveraged Docker for containerization and managed intricate database structures with PostgreSQL and MongoDB.

Backend Developer
11/1/2021 - 11/1/2022

Demonstrated expertise in microservices architecture and design, showcasing the ability to build scalable and resilient services. Utilized Amazon Web Services (AWS) extensively for deploying and managing cloud-based applications and infrastructure, ensuring optimal performance and cost-efficiency. Developed and maintained robust APIs, leveraging AWS API Gateway for secure and seamless API management. Applied agile methodologies, specifically Scrum, to efficiently manage project workflows and deliverables, fostering team collaboration and iterative progress.

Backend Software Developer
8/2/2020 - 11/1/2021

Developed proficiency in building APIs using Python and JavaScript/Node.js. Gained extensive experience in assisting with API governance, ensuring compliance with industry standards and best practices. Demonstrated ability to implement scalable and maintainable API solutions while working with cross-functional teams to integrate different system components effectively.

Software developer
1/2/2018 - 8/2/2020

Engaged in development and maintenance of software focused on agribusiness management, including the consumption of third-party REST APIs such as SPC and Serasa. Constructed APIs to provide services for the inclusion and maintenance of invoices and other miscellaneous operations. Followed Agile Software Development methodologies to ensure efficient workflow and delivery. Applied principles of Clean Code and design patterns to enhance code readability and maintainability. Designed Oracle and Firebird databases adhering to normalization rules to ensure robust and scalable solutions. Utilized version control systems, including Git and SVN, for collaborative code management and version tracking.

Software developer
1/2/2016 - 1/2/2017

Developed an Android and iOS mobile application focused on delivery service management using Ionic and Phone Gap. Engaged in customer meetings to gather requirements and provide updates. Designed and implemented a robust MySQL database to support application functionality. Utilized PHP for server-side processes and crafted the frontend with CSS, HTML, and JavaScript to ensure a seamless user experience. Ensured effective collaborative code maintenance and version control using Git.

Developer Analyst .Net
1/2/2014 - 1/2/2018

Contributed significantly to the analysis, maintenance, and development of ERP systems, with a focus on creating and maintaining management reports through T-SQL queries. Demonstrated technical expertise in configuring and installing Microsoft SQL Server instances. Led the development of system modules and participated in business analysis and requirements collection. Utilized UML for requirements coding and developed an accounting system as well as an integration module with the API Rest of Serasa Experian. Actively engaged in Scrum events and prioritized the security and protection of user data. Proficient in Delphi, .NET Framework, MVC, WinForms, WPF, LINQ, ADO.NET, and SVN, with extensive experience in SQL Server, including the creation of triggers, views, and stored procedures.

Analysis and Systems Development at Federal Institute of Tocantins
2015 - 2018