LCLuigi Cleffi
@luigicleffi
Senior software engineer and tech lead experienced in full-stack architecture and scalable systems.
BrazilWhat I'm looking for
I am a senior software engineer and tech lead with over five years building full-stack applications and architecting microservices-based systems. I design and implement backend and frontend architectures following SOLID and Clean Architecture to deliver maintainable, testable software.
At Etourney I led both front and back teams, created the full system architecture using NestJS, designed databases, and automated integrations with game SDKs to orchestrate tournaments. I prioritize automation and reliability through CI/CD pipelines and containerization.
In prior roles I implemented e2e testing culture with Cypress, introduced unit and integration testing practices, and developed core business logic using Spring Boot and Node.js. I have improved UX with reusable React components and optimized data integrations across MySQL and MongoDB.
I enjoy mentoring junior engineers, elevating team practices, and delivering scalable solutions that reduce defects and accelerate feature delivery. I seek opportunities where I can lead architecture and team growth while solving complex technical challenges.
Experience
Work history, roles, and key accomplishments
Tech Lead & Software Architect
Etourney
Jan 2024 - Present (1 year 10 months)
Designed and implemented the full NestJS-based architecture using SOLID and Clean Architecture for a gaming tournaments platform; led front‑ and back‑end teams, created automation to integrate with game SDKs, and modeled databases within a microservices architecture.
Senior Software Engineer
Presscentric
Jul 2023 - Present (2 years 4 months)
Established e2e testing with Cypress and automated CI/CD via GitHub Actions, containerized services with Docker, implemented core business logic in Spring Boot, and mentored junior engineers to improve quality and delivery.
Programming Instructor
Proway
Aug 2024 - Sep 2024 (1 month)
Taught an 80-hour React.js course covering lifecycle, hooks, REST APIs and Tailwind CSS, improving students' JavaScript and TypeScript proficiency.
Full Stack Software Engineer
NBW Digital
Apr 2023 - Jul 2023 (3 months)
Owned core Node.js and React applications, delivered features and mentored teammates, and optimized MySQL and MongoDB integrations to improve data reliability and performance.
Full Stack Software Engineer
Wesy Lab
Apr 2023 - Jul 2023 (3 months)
Built Node.js/Express backend APIs using Clean Architecture and SOLID, developed reusable React components to improve UX, and refactored code to increase scalability and reduce maintenance overhead.
Development Analyst
Microservice IT
Dec 2021 - Oct 2022 (10 months)
Developed customer-facing apps with Power Apps, React and TypeScript and built enterprise solutions with SPFx and SharePoint to automate workflows and reduce turnaround time for client requests.
Education
Degrees, certifications, and relevant coursework
UFUniversidade Regional de Blumenau (FURB)
Bachelor of Science, Computer Science
2022 -
Pursuing a degree in Computer Science with coursework and projects focused on software engineering principles and web development.
FCFederal Institute of Santa Catarina
Chemistry Technician, Chemistry
Completed a technical program in Chemistry (Chemistry Technician) providing practical and theoretical foundation in chemical processes and laboratory practices.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Social media
Job categories
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