Senior Frontend Engineer, React

AOA

Senior Frontend Engineer focused on creating high-quality web applications for eCommerce and SaaS brands while utilizing modern AI coding tools. Engaging in thoughtful design and product development with collaborative ownership.

Posted 6/17/2026contractRemote • 🇧🇷 BrazilSenior💰 $5,000 per monthWebsite

Tech Stack

Tools & technologies

GraphQLJavaScriptNext.jsReactTypeScript

About the role

Key responsibilities & impact

Deliver high-quality, high-performing frontend experiences that AOA is known for, with predictability, agentic-efficiency, and collaborative ownership.
Build production-grade frontend experiences for enterprise accounts in React and Next.js.
Write clear technical documentation, schemas, and architectural flows teammates can use.
Turn product-level objectives into clear, actionable engineering tasks and own the technical approach.
Translate Figma designs into reusable component libraries and design-system primitives that help the team ship faster.
Bring frontend craft from the start and build for performance by default.
Connect interfaces to backend and third-party APIs, handling loading, errors, empty states, and partial data.
Plan and sequence your work across multiple client projects, bringing recommendations rather than open-ended problems.
Proactively identify risks and gaps, and create spike tickets to de-risk them ahead of the work.
Write tested, maintainable TypeScript that follows each client codebase’s conventions.
Self-review your work and catch issues before QA.
Conduct code reviews and hold the bar on quality across the work you review.
Use AI coding tools and agents thoughtfully while keeping engineering judgment in control.
Self-manage and take ownership of your commitments and deliver what you planned for the cycle.
Communicate proactively across a remote team, sharing progress and surfacing risks early.

Requirements

What you’ll need

5+ years building production frontend applications, with deep, current React expertise.
Strong experience on enterprise-grade accounts, products, or projects.
Prior experience working in an agency environment and as an independent contractor, with the ability to manage multiple clients or projects in parallel.
Excellent professional English, spoken and written.
A track record of owning frontend features end-to-end, from ambiguous requirements to production.
Strong frontend fundamentals: semantic HTML, modern CSS, responsive design, and browser behavior.
Experience translating Figma designs into accurate, responsive, accessible interfaces.
Experience integrating REST or GraphQL APIs and managing client and server state.
A strong quality discipline: typed, tested code and self-review before QA.
Ability to estimate your work, commit within a delivery cycle, and reliably deliver.
Strong written communication and proactive, independent work in a fully remote team.
Reliable overlap with standard US Central Time business hours.
Fluent, practical use of AI coding tools as part of your engineering workflow.
Based in Latin America and able to work as an independent contractor.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account AOA Website LinkedIn All Job Openings 11 - 50 employees Founded 2019 🛍️ eCommerce 🤝 B2B 🤖 Artificial Intelligence eCommerce
B2B
Artificial Intelligence AOA is a creative and technology agency specializing in commerce, AI, and B2B brands. They design and build high-performing Shopify stores, manage large-scale Shopify migrations, and integrate enterprise systems (ERP, CRM, 3PL) to create unified commerce solutions. AOA also delivers strategy, design, development, optimization, and custom AI tools for mid-market to enterprise clients, and provides ongoing support and growth retainers. Senior Frontend Engineer, React Job not on LinkedIn 🔥 2 minutes ago 🇧🇷 Brazil – Remote 💵 $5k / month ⏳ Contract/Temporary 🟠 Senior 💻 Frontend Engineer / Web Developer GraphQL JavaScript Next.js React TypeScript Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Deliver high-quality, high-performing frontend experiences that AOA is known for, with predictability, agentic-efficiency, and collaborative ownership.
Build production-grade frontend experiences for enterprise accounts in React and Next.js.
Write clear technical documentation, schemas, and architectural flows teammates can use.
Turn product-level objectives into clear, actionable engineering tasks and own the technical approach.
Translate Figma designs into reusable component libraries and design-system primitives that help the team ship faster.
Bring frontend craft from the start and build for performance by default.
Connect interfaces to backend and third-party APIs, handling loading, errors, empty states, and partial data.
Plan and sequence your work across multiple client projects, bringing recommendations rather than open-ended problems.
Proactively identify risks and gaps, and create spike tickets to de-risk them ahead of the work.
Write tested, maintainable TypeScript that follows each client codebase’s conventions.
Self-review your work and catch issues before QA.
Conduct code reviews and hold the bar on quality across the work you review.
Use AI coding tools and agents thoughtfully while keeping engineering judgment in control.
Self-manage and take ownership of your commitments and deliver what you planned for the cycle.
Communicate proactively across a remote team, sharing progress and surfacing risks early. 🎯 Requirements
5+ years building production frontend applications, with deep, current React expertise.
Strong experience on enterprise-grade accounts, products, or projects.
Prior experience working in an agency environment and as an independent contractor, with the ability to manage multiple clients or projects in parallel.
Excellent professional English, spoken and written.
A track record of owning frontend features end-to-end, from ambiguous requirements to production.
Strong frontend fundamentals: semantic HTML, modern CSS, responsive design, and browser behavior.
Experience translating Figma designs into accurate, responsive, accessible interfaces.
Experience integrating REST or GraphQL APIs and managing client and server state.
A strong quality discipline: typed, tested code and self-review before QA.
Ability to estimate your work, commit within a delivery cycle, and reliably deliver.
Strong written communication and proactive, independent work in a fully remote team.
Reliable overlap with standard US Central Time business hours.
Fluent, practical use of AI coding tools as part of your engineering workflow.
Based in Latin America and able to work as an independent contractor. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Senior Frontend Engineer – Contractor 🔥 15 hours ago Domaine 51 - 200 🛍️ eCommerce 🏢 Enterprise Website LinkedIn All Job Openings Senior Frontend Engineer developing Shopify themes and frontend solutions at Domaine, a leading Shopify partner. Responsible for technical implementation and working with latest technologies. 🇧🇷 Brazil – Remote ⏳ Contract/Temporary 🟠 Senior 💻 Frontend Engineer / Web Developer GraphQL JavaScript React UI/UX Tech Lead, React 🕒 April 30 In All Media 1001 - 5000 ☁️ SaaS 🏢 Enterprise 🤝 B2B Website LinkedIn All Job Openings 🇧🇷 Brazil – Remote ⏳ Contract/Temporary 🟠 Senior 💻 Frontend Engineer / Web Developer React SCSS Senior Frontend Developer, React 🕒 April 24 Dadoteca 51 - 200 🤝 B2B 🏢 Enterprise 🤖 Artificial Intelligence Website LinkedIn All Job Openings Senior Frontend Developer focusing on React for an innovative tech company providing quality solutions. Developing modern, secure, high-performance interfaces integrated with APIs. 🇧🇷 Brazil – Remote ⏳ Contract/Temporary 🟠 Senior 💻 Frontend Engineer / Web Developer 🗣️🇧🇷🇵🇹 Portuguese Required AWS Azure Cloud Google Cloud Platform React TFS Mobile Developer – React Native 🕒 March 31 Surfmappers 1 - 10 👥 B2C 🛍️ eCommerce Website LinkedIn All Job Openings Mobile Developer proficient in React-Native for a global photography marketplace startup. Focused on developing iOS and Android applications with a collaborative team environment. 🇧🇷 Brazil – Remote ⏳ Contract/Temporary 🟡 Mid-level 🟠 Senior 💻 Frontend Engineer / Web Developer 🗣️🇧🇷🇵🇹 Portuguese Required Android Firebase iOS React Desenvolvedor Mobile, React Native – Sênior 🕒 September 29, 2025 Cakto 51 - 200 💳 Fintech ☁️ SaaS Website LinkedIn All Job Openings Develop and maintain high-performance React Native apps for CAKTO fintech payments. Integrate APIs, collaborate with product and design, ensure code quality and tests. 🇧🇷 Brazil – Remote ⏳ Contract/Temporary 🟡 Mid-level 🟠 Senior 💻 Frontend Engineer / Web Developer 🗣️🇧🇷🇵🇹 Portuguese Required JavaScript React React Native Redux TypeScript View More Frontend Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

ReactNext.jsTypeScriptsemantic HTMLmodern CSSresponsive designREST APIsGraphQL APIsfrontend applicationscomponent libraries

Soft Skills

collaborative ownershipproactive communicationself-managementrisk identificationcode reviewindependent workcommitment to deliveryproblem-solvingattention to detailtime management