Yudi Matsuguma
@yudimatsuguma
I build scalable full-stack systems and lead architecture, APIs, and engineering teams.
BrazilWhat I'm looking for
I've delivered scalable production systems at Digiall.ai, Ptec, and Crosoften, spanning frontend, backend, QA, and technical leadership.
At Ptec, I led mid-level engineers through code reviews and architectural standards while designing business-critical NestJS and Angular systems using Domain-Driven Design and Clean Architecture. I owned API contracts, data models, and stack decisions for new modules.
At Digiall.ai, I designed a Vue.js and Nuxt.js micro-frontend architecture for independent module deployments, improved Core Web Vitals through caching and lazy loading, and built responsive interfaces for critical user flows.
Across Crosoften, I progressed from QA Engineer to Backend Engineer and Fullstack Developer, building multi-tenant Keycloak authentication, ERP quoting workflows, Node.js and Spring Boot APIs, and automated regression testing. I use AI-assisted development workflows with rigorous review practices that keep generated code aligned with architecture and quality standards.
Experience
Work history, roles, and key accomplishments
Senior Frontend Engineer
Digiall.ai
Jan 2025 - Present (1 year 9 months)
Designed a micro-frontend architecture with Vue.js and Nuxt.js, improving Core Web Vitals and refactoring legacy components. Built responsive, mobile-first interfaces and delivered features from prototyping through API integration.
Senior Fullstack Developer & Tech Lead
Ptec
Jul 2025 - May 2026 (10 months)
Led technical growth of mid-level engineers, defining architectural standards and reducing technical debt. Architected business-critical systems with NestJS and Angular, and introduced AI-assisted workflows to increase delivery speed.
Fullstack Developer
Crosoften
Jan 2023 - Dec 2025 (2 years 11 months)
Implemented multi-tenant authentication for a corporate LMS using Keycloak and developed a wizard-style quoting module for a large-scale ERP. Built dynamic interfaces with Angular and React, prioritizing accessibility and maintainability.
Backend Engineer
Crosoften
Jan 2022 - Dec 2023 (1 year 11 months)
Applied DDD and Hexagonal Architecture to decouple business logic in Node.js and Spring Boot APIs. Orchestrated infrastructure with Docker and integrated third-party services.
QA Engineer
Crosoften
Jan 2021 - Dec 2022 (1 year 11 months)
Automated test scripts that cut manual effort and expanded regression coverage, supported by structured technical documentation.
Education
Degrees, certifications, and relevant coursework
Cruzeiro do Sul
Technologist, Systems Analysis and Development
Technologist in Systems Analysis and Development, expected to complete in 2028.
Universidade Federal de Catalão (UFG)
Bachelor of Science, Production Engineering
2015 - 2021
B.Sc. in Production Engineering from Universidade Federal de Catalão (UFG), completed in 2021.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Salary expectations
Social media
Skills
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