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Lenin Boccardo

@leninboccardo

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Fullstack developer specializing in scalable SaaS, cloud optimization, and HealthTech systems.

Brazil

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What I'm looking for

I seek roles building scalable SaaS or HealthTech systems where I can lead architecture, optimize cloud costs, and deliver high-quality, maintainable software.

Fullstack Developer with 4+ years of experience architecting scalable SaaS solutions and optimizing AWS infrastructure. Expert in the JavaScript ecosystem (React, Next.js, Node.js, NestJS), leveraging deep knowledge of cloud resources to reduce operational costs and enhance system performance. Proven track record in technical leadership for critical HealthTech products, bridging the gap between complex business requirements and high-quality, maintainable software.

Experience

Work history, roles, and key accomplishments

Fullstack Developer

Ciaware

Jul 2022 - Oct 2025 (3 years 3 months)

Led front-end architecture and implemented a complete electronic health record (EHR) system, developed Node.js back-end services with real-time WebSocket communication, and optimized AWS-based infrastructure to reduce costs and improve performance.

React Next.js Node NestJS WebSockets AWS Puppeteer PostgreSQL Prisma

Software Solutions Consultant

Integra (Ciaware Partnership)

Aug 2025 - Sep 2025 (1 month)

Served as sole developer on a short-term high-trust engagement to diagnose and refactor legacy code, implement backend report generation with Puppeteer, remodel data with Prisma, and reduce Digital Ocean infrastructure costs.

NestJS Puppeteer Prisma PostgreSQL React Refactoring Performance Optimization

Intern Software Developer

Retail Management System

Jul 2021 - Dec 2021 (5 months)

Developed a micro sales management system using Electron with automated spreadsheet integration to streamline point-of-sale workflows and reporting.

Electron JavaScript HTML CSS Automation Spreadsheets

Technician Intern

MPN – Air Conditioning Services

Feb 2021 - Jul 2021 (5 months)

Assisted in technical maintenance of electronic and air conditioning systems, performing component soldering, multimeter testing, and routine diagnostics.

Soldering Multimeters

Education

Degrees, certifications, and relevant coursework

University of Ribeirão Preto (UNAERP)

Bachelor of Engineering, Computer Engineering

2017 - 2021

Completed a Bachelor’s degree in Computer Engineering with coursework and projects focused on software development, systems architecture, and embedded systems.