antianthropic

Modernised legacy infrastructure into scalable microservices architectures for clients such as Perto and Zuki. Delivered full-stack features across Angular, Next.js and Nuxt on the frontend and Go, Java (Spring Boot) and NestJS on the backend. Operated containerised environments with Docker Swarm, NGINX and RabbitMQ, and deployed event-driven, serverless workloads on AWS. Established testing, documentation and compliance standards that improved product quality and shortened onboarding.

Designed, developed and tested platform features with Next.js, NestJS, TypeScript and MongoDB.

Owned the Technical Assistance module as engineer and Product Owner, leading technical decisions and discovery with clients and stakeholders. Shipped work-order improvements, per-store service management, electronic checklists and a configurable Kanban board for visual tracking. Built the payments and subscriptions module with Stripe, enabling fully customisable subscription plans.

Implemented social authentication with AWS Cognito and OIDC providers (Google, LinkedIn, Microsoft Azure). Built corporate Single Sign-On over SAML, integrating Google Workspace and Microsoft Entra ID to meet enterprise security and compliance requirements. Improved core application performance by tuning Pinia state management and Nuxt rendering modes, working alongside QA on stability.

Prototyped the Dacxi Chain MVP: Go internal API integrated with Solidity smart contracts, NestJS public API, and a Svelte + Firebase frontend. Built the production application in Vue.js and Laravel, covering REST API, design-system components and complete user flows with accessibility and performance in mind; documented the API with OpenAPI. Set up CI/CD with GitHub Actions (AWS for production, DigitalOcean for staging) and wrote unit, integration and E2E suites that kept regressions low. Delivered the operations team's admin panel with Laravel Nova.

Led the rebranding and re-architecture of a whitelabel investment platform, migrating Vue 2 to Vue 3, Webpack to Vite, and introducing TypeScript. Built financial charts, transaction history, buy/sell asset flows and an interactive portfolio dashboard. Optimised customer wallet operations and asynchronous service-order processing in the REST API, improving transaction speed. Integrated ERC-20 tokens (BAT, NEAR, EOS, MKR, SAND, ALGO, UNI) and maintained self-hosted Ethereum (Geth), Bitcoin, Litecoin and Bitcoin Cash nodes; contributed to Solidity smart-contract audits for DACXI token transactions.

Maintained UFPA's institutional repositories (RIUFPA, BDM, Livro Aberto), migrated the Patent Repository (RIPAT) from DSpace 6 to 7, and automated server routines and backups with Python, Cron and SSH. Built internal systems for the Central Library and maintained institutional WordPress sites.