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Lucas Flaquer · Full Stack Engineer · web2ua

Talents
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Lucas Flaquer

Lucas Flaquer

Looking for a job

Full Stack Engineer

Senior Full Stack Engineer at 99x building an AI-assisted print-ordering product, with a registration flow that increased companies by 30%.

BrazilFull Stack Engineer at 99x

Experience

Full Stack Engineer
Built the NestJS/PostgreSQL backend orchestrating three applications for an AI-assisted print ordering product, implemented multi-tenant authentication, real-time messaging with SSE, and a dynamic form generated by the RAG.
NestJSPostgreSQL

BetterAuth

SSE

Next.js

Tailwind

Tanstack Query

Biome

Testing

Frontend Engineer

Refactored UI with composition pattern, owned an internal admin project end to end, led migration from ESLint to Biome, and coordinated releases with QA teams overseas.

ReactMaterial UIBiomeStorybookComposition PatternESLint

Full-Stack Developer

Contributed to a greenfield forestry funds platform from concept to MVP, built Next.js features and C#/.NET endpoints, integrated Pipefy via GraphQL and WebSockets, and raised test coverage to near 100%.

Next.jsC#.NETPythonGraphQLWebSocketsSonarQubeTestingCI CD

Full-Stack Developer

Rebuilt company registration flow and ran A/B test resulting in +30% registered companies, implemented SSR in Next.js, built Node.js Lambda functions, and cut frontend test suite time from 3 to 1.5 minutes.

Next.jsNodeJSLambdaRedisJestViteA B TestingCI CDDesign Systems

Frontend Developer

Ported Finclass and Stage platforms to Samsung and LG Smart TVs with React, Vue.js and TypeScript, and contributed to a knowledge-sharing guild.

ReactVue.JsTypeScriptSmart TVTizenWebOS

Frontend Developer

Worked on a fiscal management app, integrated a Ruby API with the frontend, delivered features, refactored legacy code, and contributed to testing.

RubyAPI IntegrationRefactoringTesting

Full-Stack Developer

Led development of institutional website and custom CMS built from scratch using React, Laravel, and TypeScript.

ReactLaravelTypeScriptCMS Development

Education

FACENS University Center
Bachelor's in Computer Engineering from FACENS University Center, completed in 2022.
Bachelor's in Computer Engineering from FACENS University Center, completed in 2022.
FATEC Sorocaba
Bachelor's in Systems Analysis and Development from FATEC Sorocaba, completed in 2017.
Bachelor's in Systems Analysis and Development from FATEC Sorocaba, completed in 2017.

Overview

Salary expectations: 31k+ USD
Location: Brazil
Skills: A B TestingAPI DesignClean ArchitectureDomain Driven DesignFullstack DevelopmentGraphQLNestJSNext.jsNodeJSReactRESTServer Side RenderingSpec Driven DevelopmentTesting AutomationTypeScript
Seniority: Senior

Links

Website
LinkedIn
GitHub
https://lucasflaquer.github.io
https://linkedin.com/in/lucas-flaquer
https://github.com/LucasFlaquer

Profile sourced from Himalayas.