Leonardo Otoni

A highly adaptable and results-oriented Senior Full-Stack Engineer seeking to contribute advanced skills in front-end and back-end development within a dynamic team, while continuously expanding into new technological domains and complex problem-solving challenges.

Sr. Full-Stack Engineer at Shore Consulting Group (2020-02 – Present)

• Designed and implemented scalable microservices using Node.js (Hapi.js) with JavaScript/TypeScript, ensuring modular architecture.
• Developed REST/GraphQL APIs with OpenAPI/Swagger specifications for standardized documentation and client integration.
• Engineered high-performance MongoDB pipelines for complex aggregations and optimized ETL processes.
• Built reactive front-end applications with Vue.js (Composition API, Typescript, Pinia) and Bootstrap.
• Established CI/CD-compatible testing with Jest and Vitest for critical services; conducted performance tuning on Node.js applications.

Full-Stack Developer at Wall-Up Group (2019-01 – 2020-12)

• Designed and developed infrastructure architectural components for a Construction Management System, integrating React, Node.js, Express, TypeORM, and TypeScript.
• Modelled Front-End UI using Bootstrap and CoreUI components.
• Implemented a flexible Authorization Layer for front-end resources and Backend REST APIs using JWT, React Context API, and Redis.
• Actively participated in requirements gathering, prototyping, UML diagrams, and database modelling; applied Agile methodology for SDLC.

IT Planning Specialist at Via 040 (2015-01 – 2017-12)

• Supported IT management in optimizing project, contract, and team oversight.
• Controlled IT implantation for 11 Toll Plazas, managing deadlines and reporting progress to the Board.
• Implemented a maintenance process improving IT Field Services quality; managed preventive/corrective services for 3,000+ IT assets and audited 40 workers.

IT Project Manager at PD Case Informatica Ltda (2009-01 – 2015-12)

• Managed and delivered 15,000+ Function Points in IT projects (Health Insurance, Public University) using PMI methodology.
• Led teams, leveraging Java EE,.Net, Oracle, DB2, SQL Server, with JUnit and JMeter for quality assurance.
• Successfully delivered major Health Insurance ERP and UNICAMP University Academic Systems.

Java Web Developer at Powerlogic, Stefanini, PD Case (Various) (2003-01 – 2009-12)

• Developed and maintained Java EE systems using Struts, JSF, JSP, Hibernate, HTML, CSS, JavaScript, and Oracle Database.
• Performed performance tuning, integrated biometric solutions, and supported CMS solutions for various customers.
• Managed ETL data processes from legacy systems (SAP, MES) to BI Database; developed DataMarts, reports (Crystal Reports), cubes, and stored procedures.

Ontario Graduate Certificate in Information Technology Solutions – Humber College (2018-01 – 2019-12)

Diploma in Information Technology – Newton Paiva (1999-01 – 2003-12)