Kelvin O.

Fullstack (FE-heavy) Developer

Kelvin is a Fullstack Developer with a front-end focus, having developed expertise in JavaScript and React.js over six years. He is also proficient in TypeScript, GraphQL, Redux.js, Next.js, and Apollo, skills he has honed over the last four years. Additionally, he has experience with Node.js.

Kelvin's career includes an extensive tenure of four years at Arquivei and a year at Monitora. While his primary focus is software engineering, he maintains a balanced skill set that includes both primary and secondary tools, making him a versatile and well-rounded developer.

Hauptkompetenz
  • CSS
    CSS 6 Jahre
  • Bootstrap
    Bootstrap 6 Jahre
  • Jest
    Jest 6 Jahre
Andere Fähigkeiten
  • Firebase
    Firebase 2 Jahre
  • Cucumber
    Cucumber 1 Jahre
Kelvin
Kelvin O.

Brazil

Erste Schritte

Ausgewählte Erfahrung

Beschäftigung

  • Frontend Engineer / Tech Lead

    Arquivei - 4 jahre 8 monate

    • Created an application optimized for SEO that reached 50k monthly visitors in the 2nd month after the deployment (organic traffic only), using React.js, TypeScript, Next.js, Node.js, Apollo, and GraphQL. Encouraged Frontend Engineers to develop complete solutions without a Backend Engineer, using Node.js, Serverless, and Cloud Functions when it made sense.

    • Named Frontend Lead after 6 months working at the company, creating a Frontend Chapter to provide technical talks and establish standards and good practices for Frontend development.

    • Helped to define a new Frontend architecture to refactor a legacy monolith. The base concepts of this architecture were micro-frontends and BFFs (backend for frontends).

    • Started a Design System with the contribution of Frontend Engineers and Product Designers, reducing the time spent developing new features.

    • Worked as a Tech Lead for 3 years, helping Software Engineers improve their skills and supporting Product and Design teams to transform ideas, roadmaps, and OKRs into code.

    Technologien:

    • Technologien:
    • CSS CSS
    • Bootstrap Bootstrap
    • Firebase Firebase
    • Jest Jest
    • Cypress Cypress
    • Docker Docker
    • Kubernetes Kubernetes
    • Google Cloud Google Cloud
    • Grafana Grafana
    • SQL SQL
    • REST API REST API
    • Material-UI Material-UI
    • JavaScript JavaScript
    • HTML HTML
    • Webpack Webpack
    • Lerna Lerna
    • React.js React.js
    • Node.js Node.js
    • TypeScript TypeScript
    • GraphQL GraphQL
    • Redux.js Redux.js
    • Next.js Next.js
    • Apollo Apollo
  • Fullstack Engineer

    Monitora - 1 jahr

    • Created some web apps in financial context for a Europe-based customer using JavaScript, React.js, Redux.js, Node.js, Apollo, and GraphQL.

    • Supported the QA team with test automation for legacy projects, writing Unit, Integration, and E2E tests, using Jest, Gherkin, and Cypress.

    • Contributed to structure a guideline to improve the delivery quality, based on coding best practices and test automation.

    Technologien:

    • Technologien:
    • CSS CSS
    • Bootstrap Bootstrap
    • Jest Jest
    • Cypress Cypress
    • SQL SQL
    • REST API REST API
    • JavaScript JavaScript
    • HTML HTML
    • Cucumber Cucumber
    • React.js React.js
    • Node.js Node.js
    • GraphQL GraphQL
    • Redux.js Redux.js
    • Apollo Apollo

Ausbildung

  • BSc.Computer Science

    São Paulo University · 2015 - 2019

Portfolio

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