Efraim Andrade

Front-end Software Engineer

Illustration of me

My personal projects

Fatecanos app logo

Fatecanos

Fatecanos offers the students of all FATECs linked to Centro Paula Souza an alternative to SIGA which is an academic management system, where it is possible to visualize in an intuitive, friendly and simple way the student's information and about the subjects, as well as tips about absences.

App screenshot
App screenshot
App screenshot
App screenshot

Work experience

GFT / BMG Bank website

GFT / BMG Bank

Senior Frontend Engineer

Oct/2024 to April/2026

Leading the frontend modernization of BMG Bank's internal banking dashboards, migrating legacy systems to Next.js with server-side rendering optimizations. Driving design system adoption, establishing testing standards with Jest, and mentoring junior developers on React best practices and performance tuning.

NextJSReactJSTypescriptJestReact QueryHTMLCSS
Uppertools website

Uppertools

Senior Frontend Engineer

Mar/2024 to Oct/2024

Built interactive analytics dashboards and real-time data visualization features for the sales enablement platform. Integrated Azure cloud services for authentication and storage, developed cross-platform mobile features with React Native, and optimized data fetching patterns with React Query to handle large datasets efficiently.

NextJSReactJSReact NativeTypescriptTailwindCSSJestReact QueryHTMLCSSAzure
S

Sales Journey

Senior Frontend Engineer

Jun/2023 to Feb/2024

Developed the core sales pipeline management platform, building real-time collaboration features and multi-platform interfaces across web and mobile. Implemented CI/CD pipelines with GitHub Workflows, deployed assets via AWS S3 and CloudFront, and managed complex client state with React Query and Zustand across Next.js and Vite applications.

NextJSReactJSReact NativeTypescriptTailwindCSSJestReact QueryViteReduxZustandAnt DesignMaterial UIHTMLCSSGithub WorkflowsAWS S3, Cloudfront
H

Hurb

Frontend Engineer

Apr/2023 to May/2023

Contributed to the travel platform's frontend, working on booking flows and search interfaces. Integrated Web3 wallet connectivity for token-based loyalty features and streamlined the local development environment using Docker containers for consistent team workflows.

ReactJSNextJSJavascriptWeb3DockerCSS Modules
Goomer website

Goomer

Senior Frontend Engineer

Mar/2020 to Feb/2023

Built and scaled the restaurant management platform's frontend, delivering real-time ordering dashboards, admin panels, and menu management systems. Led the adoption of Next.js and TypeScript, introduced unit and E2E testing with Jest and Cypress, and established a component documentation workflow with Storybook that improved design-engineering handoff.

ReactJSNextJSTypescriptJavascriptJestCypressStorybookHTMLCSSSCSSReduxAnt DesignStyled Components

Senior Frontend Developer

Jul/2021 - Feb/2023

Owned the subscription and conversion frontend — drove the freemium model launch, post-signup onboarding, rebranding across all web apps, and built internal component libraries. Mentored junior devs and served as the focal point in the final squad.

Mid-level Frontend Developer

Jan/2021 - Jul/2021

Led the Next.js migration, built the registration page, and introduced testing practices across the engineering team through presentations and hands-on mentoring. Delivered scheduling, order management, and consumer registration features.

Frontend Developer Jr

Mar/2020 - Jan/2021

Joined during the pandemic and co-built the GoomerGo delivery app from scratch in under a week — a QR code menu and checkout system that became the company's lifeline during lockdown. Drove feature growth across ordering, product details, and WhatsApp checkout integration.

iClouds website

iClouds

Frontend Developer

Nov/2017 to Feb/2020

Developed and maintained responsive web applications and cross-platform mobile apps using React, Vue, and React Native. Collaborated closely with design and backend teams to deliver pixel-perfect interfaces, implemented state management with Redux, and contributed to the migration of legacy jQuery codebases to modern component-based architectures.

ReactJSVueJSReact NativeJavascriptReduxHTMLCSSSCSS