Lucas Monteiro
Featured Work

Two disciplines, one standard: ship it right.

From production SaaS infrastructure to AAA game certification, a track record of building and validating software that has to work under real-world pressure.

NextCraque previewSports-Tech Platform

NextCraque

Global Sports Career Platform & Opportunity Marketplace

NextCraque is a hybrid athletic career platform designed to democratize access to professional football, connecting aspiring players, from grassroots and amateur levels to youth academies, legal guardians, scouts, and professional clubs within a single secure, multilingual (PT‑BR/EN) ecosystem. Structured as an Athletic Career Web App with social network mechanics, it replaces the informal, high-risk world of amateur scouting with validated technical profiles, audited communication, and club-grade governance tools.

Player, Guardian, Scout, Club
User roles supported
Mandatory
Guardian validation for minors
PT‑BR / EN
Platform languages
Next.jsTypeScriptTailwind CSSNode.js+4
Qavelix previewProduct Engineering

Qavelix

Full-Stack SaaS & Video Infrastructure

Qavelix is a scalable SaaS platform built end-to-end, from authentication and billing to an automated video processing pipeline capable of handling high-volume uploads with consistent, low-latency delivery. Designed and shipped the full architecture as the sole engineer, prioritizing maintainability, type safety, and performance at every layer.

3.5x faster
Video processing throughput
99.6%
Pipeline job success rate
< 1.2s
Core Web Vitals (LCP)
Next.jsTypeScriptTailwind CSSNode.js+4
Gabinet Terapii Naturalnych previewHealthcare Web Platform

Gabinet Terapii Naturalnych

Medical Authority, Local SEO & Automated Booking

A secure, high-performance Next.js platform for a Warsaw-based natural therapy practice, built to establish medical credibility, win local search, and convert visitors into booked patients through automated Booksy scheduling.

100%
Automated booking coverage
< 1.0s
Core Web Vitals (LCP)
A+
Security headers grade
Next.jsTypeScriptTailwind CSSCloudflare+3
Tekken 8 previewLocalization QA

Tekken 8

Main Localization QA Tester (PT‑BR)

Served as the Main Localization QA Tester for the Brazilian Portuguese (PT‑BR) release of Tekken 8, a AAA fighting game title, ensuring linguistic accuracy, cultural relevance, and full text integrity across the PT‑BR build. Work was recognized with an official credit in the shipped title for contributions to localization quality, build stability, and release readiness.

Yes
Official title credit
1,000+
Strings & test cases reviewed
PT‑BR
Localization track
Localization QALinguistic & Cultural AccuracyText Truncation & Encoding QARegression Testing+2