Daniel Bernardes

Staff Frontend Engineer @ V8 Digital

Rio de Janeiro, Brazil

LinkedInGitHubdaniielbnd@gmail.com

About

Staff Frontend Engineer with 5 years of experience building scalable web products across fintech, SaaS, and client-facing environments. At V8 Digital, I lead a 3-person frontend team across about 7 fintech products serving about 30K users through B2B whitelabel systems. I own frontend architecture decisions, greenfield setups, legacy refactors, and a shared Design System of about 50 components that cut developer onboarding from about 2 weeks to 1 day and reduced frontend production bugs by about 90%. At Owlshard, I lead a 5-person frontend team delivering 2–3 client projects in parallel, cutting average delivery cycles from about 6 months to about 2 months. Previously at Avod Tech, I built high-performance React interfaces for a fintech product with about 20K users and automated daily data consolidation into BigQuery for the data team. At HOX.rs, I shipped and maintained about 6 client projects—including Dynamox (about 300 companies) and an Uber Flash campaign (about 50K users)—and drove a Redux Toolkit migration that improved delivery speed by about 40% on the main product. Strongest areas: Frontend Architecture, Design Systems, React, TypeScript, Next.js, Node.js, TanStack Query, TanStack Router, Vite, Chakra UI, performance, accessibility, and technical mentorship.

Experience

V8 Digital
Feb 2025 – Present (~ 1 yr 6 mos)
Staff Frontend Engineer · Full-time
Remote

Staff Frontend Engineer leading frontend architecture and delivery for fintech products in a regulated, operationally demanding environment.

  • Led frontend architecture across about 7 fintech products serving about 30K users through B2B whitelabel platforms, using React, TypeScript, and Next.js.
  • Built and maintained a shared Design System of about 50 components that cut developer onboarding from about 2 weeks to 1 day and improved UI consistency across teams, using Chakra UI, React, and TypeScript.
  • Led legacy frontend refactors to modern standards, reducing frontend production bugs by about 90% and increasing release predictability.
  • Mentored a 3-person frontend team through code reviews, coding standards, and cross-project transitions, raising delivery quality across the portfolio.
  • Owned greenfield project setup and delivery workflows with TanStack Query, TanStack Router, Vite, and Azure DevOps.
Stack: React, TypeScript, Next.js, Chakra UI, TanStack Query, TanStack Router, Vite, Azure DevOps
Jun 2024 – Present (~ 2 yrs 2 mos)
Staff Frontend Engineer · Part-time
Remote

Staff Frontend Engineer leading frontend delivery for concurrent client engagements.

  • Led a 5-person frontend team delivering 2–3 client projects in parallel with clearer estimation and planning.
  • Designed scalable frontend architectures that cut average delivery cycles from about 6 months to about 2 months, using React, TypeScript, Next.js, and Vite.
  • Translated Figma product and design requirements into maintainable frontend solutions for 2 concurrent client workstreams.
  • Drove mentorship and troubleshooting practices that raised technical quality across a 5-person team over successive deliveries.
  • Established collaborative delivery workflows with Azure DevOps and GitHub across overlapping client projects.
Stack: React, TypeScript, Next.js, Vite, JavaScript, Figma, Azure DevOps, GitHub
Feb 2024 – Feb 2025 (~ 1 yr)
Senior Full Stack Developer · Full-time
Remote

Senior Full Stack Developer focused on the frontend of a fintech product, with backend and data-platform work as needed by the roadmap.

  • Built high-performance frontend interfaces for a fintech application serving about 20K users, using React, TypeScript, TanStack Query, and TanStack Router.
  • Implemented API services and optimized service communication with AdonisJS and Node.js to support product delivery.
  • Built daily consolidation of previously scattered backups and databases into a BigQuery data lake via Google Cloud Functions, enabling the data team’s pipelines.
  • Shipped Figma-faithful UI in collaboration with product and design, using Vite across React and Vue.js surfaces as required.
  • Replaced ad-hoc data handling with a daily automated pipeline, increasing reliability of analytics inputs for downstream data workflows.
Stack: React, TypeScript, TanStack Query, TanStack Router, AdonisJS, Node.js, Google BigQuery, Google Cloud Functions, Vue.js, Vite, Figma
Jan 2022 – Mar 2024 (~ 2 yrs 2 mos)
Junior Frontend Developer · Full-time
Remote

Junior Frontend Developer delivering and maintaining multi-client frontend products in an agency model.

  • Built and maintained day-to-day frontend features on Dynamox, a predictive maintenance platform serving about 300 companies, using React and TypeScript.
  • Migrated the main Dynamox app to Redux Toolkit, improving developer experience and cutting delivery time by about 40%.
  • Shipped an Uber Flash promotional microsite for a campaign reaching about 50K users, focused on performance and UX.
  • Delivered about 6 client projects over the period (typically up to 2 in parallel), including landing pages and animated interfaces with Next.js, Tailwind CSS, and Material-UI.
  • Added quality practices with Jest, Vitest, and Cypress to stabilize client releases across concurrent workstreams.
Stack: React, TypeScript, JavaScript, Redux Toolkit, Styled-components, Tailwind CSS, Material-UI, Next.js, Vite, Jest, Vitest, Cypress, Figma, GitHub

Certifications

React
Rocketseat - Jun 2026
Next.js
Rocketseat - Jun 2026
Node.js
Rocketseat - Jun 2026
NestJS
Rocketseat - Jun 2026
DDD in Node.js
Rocketseat - Jun 2026

Skills

ReactTypeScriptNext.jsFrontend ArchitectureDesign SystemsTanStack QueryTanStack RouterNode.jsChakra UIViteRedux ToolkitAdonisJSGoogle CloudBigQueryMentoringCode ReviewsAccessibilityPerformance