Senior Frontend Engineer, React

🕒 June 17

🇧🇷 Brazil – Remote

💵 $5k / month

⏳ Contract/Temporary

🟠 Senior

💻 Frontend Engineer / Web Developer

👻 Ghost score 14%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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AOA

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2019

💼 Consulting

📣 Marketing

🛍️ eCommerce

Consulting • Marketing • eCommerce

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.

📋 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.