Lucas M.

Back-end and Systems Engineer

Senior Back End Developer
6/1/2023 - Present

Developed the back-end of an English learning platform designed for employees from various regions in Latin America using a no-code platform. Achieved rapid feature implementation, enhancing app functionality and facilitating teachers' organization of classes and students' completion of activities. Acquired extensive experience with no-code solutions, contributing to efficient development workflows. Improved English proficiency through daily interactions and platform development activities.

Senior Back End Developer
9/1/2021 - 7/1/2023

Worked in the ecommerce department of a major mobile company in Latin America, managing a system with over 10,000 daily accesses and generating millions in monthly revenue. Ensured seamless communication between multiple services, maintaining operational integrity and developing new features to meet stakeholders' goals. Responsibilities included bug fixes and API creation, following best practices and maintaining rigorous code reviews. Achieved high service availability and scalability during peak periods, contributing to significant revenue generation. Gained expertise in various architectural frameworks, including microservices and hexagonal architecture, and appreciated the importance of Agile methodologies for efficient project management in large corporations.

Senior full-stack Developer
9/1/2020 - 8/1/2021

Engaged in developing and maintaining a high-volume traffic logistic broker software catering to multinational customers with valuable cargo, including managing thousands of trucks 24/7. Demonstrated proficiency in handling software integration with numerous APIs, ensuring seamless functionality of logistic and financial modules. Contributed to a team responsible for creating and maintaining client-demanded features, involving tasks such as database structure design, front-end, and back-end development. Supported mobile app maintenance for customers, enhancing their user experience. Developed abstract solutions to address similar customer requests, significantly saving time and increasing efficiency. Acquired expertise in React Native during this period.

Senior full-stack Developer
4/1/2019 - 8/1/2020

Joined a small startup software team of four developers, including two trainees, to manage truck fleets for five initial customers. Addressed significant issues with the software's source code, resolving security problems, eliminating bad practices, and clarifying the confused architecture. Led the effort to refactor the majority of the existing codebase, ensuring the implementation of best practices and security standards. Developed and executed a strategic plan to complete the refactoring within a few months, thereby stabilizing the software and enhancing its value for customers. As the most experienced developer, took on a leadership role by organizing the team, establishing coding standards, and mentoring junior developers. Gained valuable leadership experience and successfully contributed to preventing the company from closing.

Mid-level Full-stack Developer
1/1/2017 - 4/1/2019

Developed expertise in managing high-volume traffic software and integrating with multiple APIs for a logistic broker software used by multinational clients handling valuable cargo, including trucks carrying up to USD 500,000 worth of goods. Contributed to designing and maintaining features through comprehensive involvement in both front-end and back-end development, as well as database structure creation. Implemented abstract solutions to address common customer requests, significantly improving efficiency and profitability by saving company time and resources. Gained insights into technical debt management and effective sprint execution, while enhancing the ability to understand and address customer needs effectively.

Junior Full-stack Developer
11/1/2014 - 1/1/2017

Maintained and developed code independently following the acquisition of customers from Zetta Brasil, leveraging provided design specifications. Designed and implemented well-structured websites to facilitate customer-client interactions and developed an admin panel for efficient data management. Occasionally created short applications tailored to specific company needs. Engineered a CMS and front-end boilerplate to streamline initial code development, significantly reducing delivery times. Achieved SEO scores nearing 90 for websites, ensuring optimal performance. Enhanced front-end expertise by creating a CMS that enabled subsequent teams to maintain a unified codebase across all projects.

Junior Full-stack Developer
2/1/2014 - 11/1/2014

Spearheaded the maintenance of website services for a portfolio of approximately 300 customers, working within a tight-knit team of three. Designed and developed visually appealing and user-friendly websites that fostered strong connections between customers and their clients. Innovated a front-end boilerplate to accelerate initial code setup, effectively reducing delivery times while ensuring code quality. Collaborated in the creation of a versatile, reusable admin panel utilized across multiple projects, which significantly simplified the process of managing website data. Achieved consistent SEO scores near 90, indicating high optimization standards. Gained extensive expertise in front-end development best practices, facilitating the creation of user-centric administrative tools that minimized developer intervention for website updates.

Bachelor's, Computer Science at Federal University of Southern Border
2017 - 2022

Business English at St. George International College (SGIC)
10/1/2022

English at United Idiomas
10/1/2021