AB
Alysson Barrera
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Professional Profile

Alysson Barrera — Résumé

Software Engineer • Frontend depth | Full-stack perspective

Get in touch
Email Address:contact@alyssonbarrera.com
GitHub Profile:github.com/alyssonbarrera
LinkedIn Profile:linkedin.com/in/alysson-barrera

Professional Summary

Software Engineer building web products across frontend, backend, cloud and AI, with an emphasis on performance, clear system boundaries and long-term maintainability. Frontend depth across React, Next.js and the TanStack ecosystem, paired with typed NestJS services, relational persistence and CASL authorization.

Professional Experience

Software Engineer@ Concentrix

November 2024 — Present
Core Engineering Scope:
  • Builds end-to-end web systems spanning React and Next.js frontends, NestJS/Node.js services, PostgreSQL/TypeORM persistence, and Dockerized environments.
  • Uses TanStack Router for typed navigation, TanStack Query for server-state synchronization, and TanStack Virtual for efficiently rendering data-heavy interfaces.
  • Develops interfaces with TypeScript, Material UI, and Tailwind CSS, with attention to accessibility, responsive behavior, and interaction clarity.
  • Works with application workloads and asynchronous flows supported by Google Cloud services, including Cloud Run, Cloud Scheduler, and Pub/Sub.
  • Supports software quality with Vitest, Testing Library, Supertest, Storybook, and participation across architecture, delivery, and ongoing maintenance.
  • React
  • TypeScript
  • TanStack Router / Query / Virtual
  • Material UI
  • Next.js
  • Tailwind CSS
  • Node.js
  • NestJS
  • PostgreSQL
  • TypeORM
  • Docker
  • Google Cloud (Run, Scheduler, Pub/Sub)
  • Vitest / Testing Library / Supertest
  • Storybook

Frontend Developer@ Ignis

May 2023 — September 2024
Core Engineering Scope:
  • Developed and maintained responsive web interfaces with React, Next.js, TypeScript, Tailwind CSS, styled-components, and Chakra UI.
  • Created unit and integration tests with Jest and Testing Library, and documented reusable components in Storybook.
  • Integrated frontend applications with REST APIs while refining loading performance, responsive and mobile-first behavior, and interaction reliability.
  • Collaborated with cross-functional teams through agile delivery, code reviews, and iterative interface refinement.
  • Applied frontend security practices focused on protecting user data and reducing exposure to common client-side vulnerabilities.
  • React
  • Next.js
  • TypeScript
  • Tailwind CSS
  • styled-components / Chakra UI
  • Jest / Testing Library
  • Storybook
  • REST APIs
  • HTML / CSS / JavaScript

Full Stack Developer@ Tera

February 2022 — September 2022
Core Engineering Scope:
  • Established foundational full-stack capabilities building user interfaces, backend services, and database queries.
  • Implemented core product features connecting client interactions directly with server-side validation and persistence.
  • JavaScript / TypeScript
  • React
  • Node.js
  • REST APIs
  • Relational Databases

Selected Case Studies

Cinedash

A film-discovery frontend combining typed URL state, infinite queries, virtualized rendering, persistent user state, explicit interface states, automated tests, CI, and Cloudflare Pages deployment.

  • React 19
  • Vite
  • Strict TypeScript
  • TanStack Query

CaseFlow

An interactive investigation system coordinating heterogeneous clues, spatial organization, graph relationships, editing, history, and JSON export through React Flow state controlled by application-level model hooks.

  • React Flow Canvas
  • MVVM-Inspired Structure
  • Strict TypeScript
  • Zod Discriminated Unions

Top One

A commercial backend where domain modeling, application use cases, persistence boundaries, contextual authorization, and automated regression protection make business responsibility visible in the code.

  • NestJS
  • Prisma ORM
  • PostgreSQL
  • CASL Authorization

Next SaaS RBAC

A multi-tenant full-stack application where authentication, organizations, memberships, role abilities, resource ownership, invitations, projects, billing, and ownership transfer are coordinated across a shared web and API architecture.

  • Turborepo Workspaces
  • Next.js App Router
  • Fastify REST API
  • Prisma ORM