William Augusto

Full Stack Engineer / TypeScript / AWS

William Augusto

I build cloud products that stay calm on the surface and precise underneath.

Over five years turning enterprise workflows into maintainable systems with Node.js, NestJS, Angular, React, AWS, and AI-assisted engineering practices.

William Augusto portrait
Based inSão José do Rio Preto, Brazil
Experience5+ years
CertifiedAWS Cloud Practitioner
LanguagesEnglish C1 / Portuguese native

Selected work

Enterprise systems, quieter delivery.

Sep 2025 - PresentCI&T

Mid Full Stack Developer

Modernizing enterprise platforms with Angular SPAs, NestJS microservices, secure BFF architecture, and AI-assisted delivery.

  • Led legacy platform modernization into Angular and Node/NestJS services.
  • Designed secure service integration with JWT, secure cookies, and Clean Architecture.
  • Delivered documented APIs and test coverage with Swagger, Jest, and Jasmine.
JavaScriptTypeScriptAngularNestJSAWSIonicModule FederationElasticCache
Jul 2021 - Aug 2025Field Control

Full Stack Developer

Built and scaled B2B SaaS workflows across product surfaces, backend services, cloud integrations, and identity systems.

  • Improved Aurora query performance from about 3 minutes to 5 seconds.
  • Led ERP, CRM, payment, and geolocation integration strategy as Tech Lead.
  • Shipped MFA, privacy-conscious recovery flows, OpenAI automation, and AWS Textract workflows.
Node.jsAngularReactAWSSQSSNSAuroraPostgreSQLTextract

Stack

Tools for durable product work.

Frontend

Angular / React / Ionic / Vite / Jasmine

Backend

Node.js / NestJS / REST APIs / Swagger / Jest

Cloud

AWS / Lambda / SQS / SNS / Aurora / DynamoDB

DevOps

Docker / GitHub Actions / CI/CD / Serverless

Databases

PostgreSQL / MySQL / MongoDB / DynamoDB / ElastiCache

AI workflows

Codex / Agentic workflows / MCPs / Claude Code / AI-assisted development

About this site

A compact portfolio designed to feel calm and clear.

Built with

Nuxt 4, Vue 3, TypeScript, and a light design system focused on clarity and performance.

Highlights

A responsive layout, semantic sections, accessible interactions, and reusable UI components.

Challenge

Balancing a personal brand feel with enough substance to communicate technical depth and product thinking.

Considerations

A few notes on systems, craft, and thoughtful product work.

Notes on product systems

Practical thinking around maintainable architecture, delivery flow, and calm product decisions.

Frontend patterns

Reflections on TypeScript, component boundaries, testing habits, and developer experience.

Cloud and platform work

Short write-ups about AWS, observability, and building resilient workflows without over-engineering.

AWS Certified Cloud Practitioner2025 - 2028
Technical High School Diploma in ITEtec Philadelpho Gouvêa Netto, 2018 - 2020

Contact

Let's make the next system feel simpler than it is.