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I'm a Software Engineer with a decade of prior experience as a former Design Engineer delivering complex, safety-critical systems across multiple disciplines in regulated industries. I now apply that disciplined, real-world engineering mindset to full-stack development. I'm proficient in the modern JavaScript ecosystem, I specialise in MERN/SERN tech stacks with experience delivering end-to-end, production-ready features, including AI integrations, secure serverless & conventional backends, in collaborative, Agile teams. Focused on building structured, reliable, maintainable software.…I'm a Software Engineer with a decade of prior experience as a former Design Engineer delivering complex, safety-critical systems across multiple disciplines in regulated industries. I now apply that disciplined, real-world engineering mindset to full-stack development. I'm proficient in the modern JavaScript ecosystem, I specialise in MERN/SERN tech stacks with experience delivering end-to-end, production-ready features, including AI integrations, secure serverless & conventional backends, in collaborative, Agile teams. Focused on building structured, reliable, maintainable software.

Lui Duarte

Full Stack Developer, Developer, Programmer, +7

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I'm a Software Engineer with a decade of prior experience as a former Design Engineer delivering complex, safety-critical systems across multiple disciplines in regulated industries. I now apply that disciplined, real-world engineering mindset to full-stack development. I'm proficient in the modern JavaScript ecosystem, I specialise in MERN/SERN tech stacks with experience delivering end-to-end, production-ready features, including AI integrations, secure serverless & conventional backends, in collaborative, Agile teams. Focused on building structured, reliable, maintainable software.…I'm a Software Engineer with a decade of prior experience as a former Design Engineer delivering complex, safety-critical systems across multiple disciplines in regulated industries. I now apply that disciplined, real-world engineering mindset to full-stack development. I'm proficient in the modern JavaScript ecosystem, I specialise in MERN/SERN tech stacks with experience delivering end-to-end, production-ready features, including AI integrations, secure serverless & conventional backends, in collaborative, Agile teams. Focused on building structured, reliable, maintainable software.

Available to hire

I’m a Software Engineer with a decade of prior experience as a former Design Engineer delivering complex, safety-critical systems across multiple disciplines in regulated industries. I now apply that disciplined, real-world engineering mindset to full-stack development.

I’m proficient in the modern JavaScript ecosystem, I specialise in MERN/SERN tech stacks with experience delivering end-to-end, production-ready features, including AI integrations, secure serverless & conventional backends, in collaborative, Agile teams. Focused on building structured, reliable, maintainable software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer at Reality AI Lab

December 1, 2024 - April 1, 2025

Contributed to an open-source educational platform, delivering full-stack features in a React/Firebase environment. Engineered and integrated React components for AI-generated lesson modules; architected and deployed secure serverless Firebase functions to manage sensitive API operations, eliminating frontend exposure of private keys and improving security. Developed an AI translation agent using Supabase and OpenAI, reducing manual multilingual support. Collaborated within a remote Agile team using GitHub for code reviews and asynchronous workflows to ensure timely feature delivery.

Full-Stack Developer at Checkmate (Open Source)

January 1, 2026 - Present

A self-hosted monitoring and status page platform. Implemented password change for all authenticated users, removing admin-only restriction and enabling self-service; strengthened authentication by detecting expired sessions and enforcing secure logout with user-facing feedback; refactored the password reset flow to support context-aware navigation.

Full-Stack Developer at Puter (Open Source)

January 1, 2026 - Present

A web-based operating system. Architected a full-stack System Information dashboard, developing a backend API for server data and modern browser APIs for client-side system data; built a fault-tolerant React interface with real-time data refresh and Dockerized deployment for self-hosted environments; validated end-to-end in a self-hosted, Dockerized environment.