Leonardo Y.
Back-end and Systems Engineer

Skills

Apollo Graphql

Amazon Aws

Node.js

Typescript

Javascript

Firebase Realtime Database

Mongodb

Vue.js

Google Cloud

React

Laravel

Sql

Cascading Style Sheets

Leonardo is available for hire

Hire Leonardo Y.

All Howdy Candidates are vetted for skills and english proficiency.

Bio

Leonardo Yukio, age 28, has been active in the IT domain since 2013. The inaugural role in technical support was supplemented by the application of VBA codes and Excel-based programming. With a strong foundation in programming logic from the early stages of the career, proficiency has been developed in Node.js, JavaScript, TypeScript, and Vue.js. Extensive experience includes the utilization of Firebase, REST APIs, and microservices, consistently applying agile methodologies and MVP project principles. Additionally, there is familiarity with React.js, AWS, and GraphQL. Currently, the focus is on mastering Data Queue creation for loading Data Lakes and advancing English language skills.

Software Engineer
11/1/2022 - 9/1/2023

Developed and managed API integrations while overseeing both GraphQL and REST endpoints. Designed and implemented new backend systems with a focus on robust data and information security. Collaborated effectively through pair programming with the development team to enhance code quality and collective knowledge. Created and maintained microservices, ensuring they aligned with system architecture and performance standards. Sustained databases including PostgreSQL and various NoSQL solutions, optimizing for efficiency and reliability. Actively contributed to the development pipeline by presenting newly implemented features on products, facilitating stakeholder engagement and feedback.
Tech Lead
3/1/2018 - 11/1/2022

Developed proficiency in creating API integrations and demonstrated expertise in designing and implementing new backend systems. Contributed significantly to DevOps tasks, ensuring seamless deployment and maintenance of applications. Prioritized data and information security, implementing robust measures to protect sensitive information. Led a development team with a focus on assisting and mentoring members to elevate team performance and productivity. Specialized in creating and maintaining microservices architecture, optimizing system scalability and reliability. Gained extensive experience in managing NoSQL databases, ensuring efficient data storage and retrieval.
Back-End Developer
6/1/2017 - 3/1/2018

Led the development of a game leveraging Laravel and SQL, ensuring efficient and robust backend systems. Designed and implemented new backend architectures tailored to project needs. Assisted in DevOps tasks using AWS to streamline deployment and operations. Ensured data and information security across all platforms and maintained comprehensive SQL databases to support application performance.
Full Stack Developer
4/1/2016 - 6/1/2017

Led the development of an innovative online platform designed as an interactive game to streamline the selection processes for medium and large companies. Showcased technical expertise by leveraging modern frameworks such as ReactJS for front-end development and NodeJS for back-end server management. Utilized Firebase for real-time database functionalities and enhanced user authentication processes. Implemented cloud-based solutions and ensured scalability with AWS services. Employed agile methodologies to manage the development lifecycle, incorporating tools like Jira for project tracking and continuous integration practices. Focused on user experience and robust security measures, the platform currently supports thousands of users, contributing to efficient and engaging recruitment processes.