About me

Hey!👋I'm Thalles Passos, a full stack developer with experience in web development, mobile development, backend development, and devops. I'm currently working as a full stack developer at Notus Labs

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Experiences

Fullstack Developer (Backend Specialist)

Notus Labs •
January 2023 - Present
  • Engineered a high-performance scraper service processing over 960,000 data points per hour
  • Led infrastructure migration to managed hosting, reducing costs by 30%+
  • Improved development efficiency through new tools and practices
  • Developed Chainless finance app with crypto and PIX integration, winning Avalanche hackathon
  • Created dynamic CMS website for Florianópolis City Hall's Rede de Planejamento
GCPLinuxTypeScriptNestJSMongoDBPostgresNextJSSvelteClean ArchitectureSOLIDDDD

Voluntary Junior Back End Developer

Tech Pro Bem •
July 2022 - October 2022
  • Participated in solution definition and project structuring with Front End team
  • Implemented API integrations and ensured data security
  • Performed unit testing and AWS resource optimization
  • Collaborated across teams (Front-end, Back-End, PO, QA)
  • Received mentoring from senior developers
AWSNodeJSCI/CDPostgresOAuth2TypeScriptClean ArchitectureSOLIDDDD

Projects

Chainless

Bootstrapped the backend infrastructure and was principal responsible in early days. Implemented comprehensive KYC system on the backend and developed complete features from end-to-end. Led technical decisions and architecture design for the core platform functionality.

chainless.finance
Heimdall

Bootstrapped the backend infrastructure and was principal responsible for backend development. Implemented managed hosting infrastructure reducing costs by 30% and doubling productivity in deployments per day. Built a reliable data scraper system processing over 16k inserts per minute.

heimdall-frontend.vercel.app
Notus API

Built Notus's admin dashboard and its dedicated backend infrastructure as part of a development team. Principal responsible for both dashboard frontend and backend as a fullstack developer. Developed the entire billing system with pay-as-you-go functionality and delivered core dashboard components within a 3-month timeline.

dashboard.notus.team
Rede de Planejamento

Contributed to designing and deploying a dynamic website with customizable content management for Florianópolis City Hall as part of a team, significantly reducing time required to manage static content and improving operational efficiency. Developed a powerful GraphQL endpoint with complex data model relationships.

redeplanejamento.pmf.sc.gov.br

Open Source

NestJS Better Auth

A NestJS authentication module that provides a better way to handle authentication in your application.

nestjs-better-auth

WhatsApp Cloud.js

A JavaScript/TypeScript client for the WhatsApp Cloud API with full type support.

whatsapp-cloud.js