App LogoApp name
JM

Joao Melo

Open to work3 years experience

Frontend Developer

São Paulo - BrazilTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Frontend Developer with experience building fast, production ready web experiences using React, Next.js, TypeScript.

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

39 skills
reactnext.jstypescriptjavascriptcontext apireact hooksreact queryzustandreduxgsaptailwind cssshadcn uihtml5css3core web vitalsnode.jsexpressprisma ormrest apisgraphqlfirebasejwtgitgithubverceldockervitewebpackjirafigmacypressjestplaywrightsitecore xm cloudpostgresqlmysqlmongodbportugueseenglish

GitHub Activity Evidence

GitHub Footprint Not Connected

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Work Experience

Frontend Engineer (AdTech and Creative Automation)

Innovid

Jun 2025 - Apr 2026 United States (Remote)
  • Scaled global dynamic creative campaigns across fifteen plus countries for major brands, implementing manifest driven logic architectures.
  • Achieved page loading speeds under one second using a modular vanilla JavaScript engine with code splitting and custom font subsetting.
  • Combined vanilla JavaScript with React and Vite to build complex interactive dashboards and reusable components.
  • Collaborated with international teams via Agile methodologies, maintaining clean version control and code reviews using Git and GitHub.
  • Tech Stack: React, Vite, JavaScript, GSAP, Node.js, Git, GitHub, CSS Animations, Agile.

Frontend Engineer | React and Next.js Developer

Valtech (Global IT Consultancy)

Mar 2022 - Mar 2025 United States (Remote)
  • Developed responsive interfaces using Next.js, React, and TypeScript for global brand websites, migrating legacy platforms to headless architecture.
  • Built reusable components using Tailwind CSS and shadcn ui from Figma designs, ensuring web accessibility and design system consistency.
  • Integrated frontend applications with backend systems using REST APIs and GraphQL to manage complex dynamic content.
  • Deployed applications on Vercel and optimized page performance with React Query, Context API, and Core Web Vitals.
  • Tech Stack: React, Next.js, TypeScript, Tailwind CSS, shadcn ui, GraphQL, REST APIs, Vercel, Context API, Core Web Vitals, Git, Jira, Agile.

Projects

Agenda Doc

ReactNext.jsTailwind CSSshadcn uiNode.jsPrismaPostgreSQL
  • Full stack scheduling application featuring interactive calendars, notification alerts, and real time management dashboards.

E Commerce Platform

ReactTypeScriptNext.jsTailwind CSSMongoDB
  • Modern headless store with live inventory synchronization via GraphQL and React Query, utilizing a mobile first responsive design.

Dynamic Creative Engine

JavaScriptGSAP
  • High performance engine for automated digital advertisements, utilizing a manifest driven architecture to map spreadsheet data into real time visuals using JavaScript and GSAP animations.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

TypeScript: Object Oriented Programming (OOP)

TypeScript: Object Oriented Programming (OOP), EspecializaTi

React JS: Zero to Advanced

React JS: Zero to Advanced, Udemy

WCAG Web Accessibility

WCAG Web Accessibility, Alison

Frontend Development

Frontend Development, Danki Code

About Details

Professional Bio

Frontend Developer with experience building fast, production ready web experiences using React, Next.js, TypeScript, and Vercel. Focus on high quality UI UX, component architecture, and API integration.

Bachelor of Business Administration (BBA) in Business Administration

UEL (Universidade Estadual de Londrina) (2016 - 2021)

Certification in English Language and Literature

Wizard by Pearson (2009 - 2015)

Languages: English, Hindi
Email: Locked