Commerce design & development consultant firm.
Senior Frontend Engineer, React
Location
Brazil
Posted
3 days ago
Salary
$5K / month
Seniority
Senior
Job Description
Senior Frontend Engineer, React
AOA
• 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.
Job 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.
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Role Description AOA is hiring a Senior Frontend Engineer to help build polished, high-performing web experiences for ambitious eCommerce and SaaS clients. You will turn thoughtful designs and product direction into production-ready interfaces, bringing the care, judgment, and craft that make digital products reliable and easy to love. This is a senior role for someone who enjoys ownership, but not isolation. We keep specifications lean because we trust strong engineers to think deeply, ask good questions, and shape the technical path forward. You will break product-level goals into clear engineering work, make sound implementation decisions, and bring the details a great frontend needs. You will work across a portfolio of client projects, partnering with designers, product leads, backend engineers, and client-facing teammates to move work forward with clarity and care. As an AI-native agency, we use modern AI coding tools and agents to increase speed, quality, and focus, while keeping strong human judgment at the center of the final product. You may be a strong fit if you are a senior frontend engineer who takes pride in excellent user interfaces, enjoys turning ambiguity into thoughtful implementation, communicates clearly, and wants to do high-quality work with a close-knit team that cares deeply about client outcomes. Responsibilities - 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. Qualifications - 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. Preferred Qualifications - Experience with headless or eCommerce frontends, such as Shopify Hydrogen or headless commerce, in addition to SaaS. - Experience building or maintaining a design system or component library used across multiple products. - Familiarity with frontend testing and CI tooling, such as Playwright, Vitest or Jest, and Testing Library. - Experience working in a points-based or sprint-based delivery model. - A portfolio, GitHub, or code samples you can share. Compensation - Compensation: $5,000 USD per month - Engagement: Contract (independent contractor) - Location: Remote, based in Latin America - Schedule: Available during standard business hours in US Central Time, for strong overlap with the team - Reports to: Engineering Manager
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Staff/Senior Engineer, Frontend Global AMHS
Micron TechnologyMicron Technology specializes in memory and semiconductor technology, such as computer memory and image sensors. Since opening, Micron Technology has had a successful history and i
Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. Join Micron Technology as a Staff/Senior Engineer for Automated Material Handling Systems (AMHS), based at Hiroshima plant, where you will serve as the on-site technical anchor while simultaneously leading Global AMHS network initiatives. This role is pivotal in driving KPI improvements, ensuring operational excellence, and establishing scalable best practices across Micron's worldwide fab network. This position bridges site-level execution at Hiroshima plant with global AMHS strategy - accelerating issue resolution, reducing systemic risk, and elevating automation maturity across all high-volume manufacturing (HVM) sites - without increasing headcount at individual sites. Hiroshima Plant Operations & KPI Ownership - Act as the global technical lead for AMHS operational governance across all Micron manufacturing sites - Drive alignment and standardization of wafer transport, storage systems, and carrier purge solutions spanning the network - Partner with site AMHS teams globally for real-time issue resolution and partner concern management - Develop and deploy global operational response strategies and standardized critical metric frameworks - Serve as the primary AMHS technical lead stationed at Fab15, owning day-to-day system performance and availability - Define, monitor, and drive improvement of AMHS critical metrics, including: - Overall Equipment Efficiency (OEE) - System uptime and reliability - Carrier purge efficiency (N2/XCDA consumption) - Wafer logistics throughput and cycle time - Sorter throughput and scheduling efficiency - BWS and NTB availability and utilization rates - Vehicle/OHT idle time - monitor and minimize idle dwell time of overhead transport vehicles to improve fleet utilization and responsiveness - To-Tool Delivery Time (TTDT) - track and reduce carrier delivery latency from stocker/buffer to process tool, directly impacting fab cycle time - Storage Utilization & Optimization - analyze stocker, BWS, and NTB occupancy rates to eliminate bottlenecks and ensure optimal lot placement strategies - Cross-Fab/Floor Material Flow Optimization - handle inter-bay, inter-floor, and cross-fab transport efficiency to reduce unnecessary moves, congestion, and transport conflicts - Lead data-driven root cause analysis for recurring or high-impact AMHS events - Develop and maintain site-level recovery playbooks and Best Known Methods (BKMs) Equipment KPI and Wafer Logistics Flow Optimization - Review and support equipment capacity modeling - Analyze Fab offload, Probe wafer shipment, and wafer logistics performance data to identify improvement opportunities - Lead Sorter, Bare Wafer Stocker (BWS) with equivalent experience, Near Tool Buffer (NTB) operational health, workload scheduling, and contamination control compliance - Optimize purge cycle efficiency, N2/XCDA usage, and system reliability - Drive system-level optimization across wafer logistics including FOSB, HWS, BHWS, Hybox Packer/Unpacker automation solutions - Optimize NTB utilization to minimize tool starvation and reduce inter-bay transport demand - Support system build reviews, upgrades, and modification projects Sophisticated & Emerging Automation - Lead evaluation and deployment of next-generation automation technologies relevant to AMHS and wafer logistics-Auto Packer/Unpacker process. - Ensure smooth transition of new technologies into stable production operations at Fab15 and across global sites Global Collaboration & Influence - Collaborate across Engineering, Operations, Construction, IT, EHS, Procurement, and Supplier teams across regions - Influence site and network leadership decisions through clear, data-backed technical recommendations - Mentor and develop AMHS engineers globally, raising technical depth and operational maturity across the network Supplier & Program Leadership - Own technical engagement with global AMHS and automation suppliers, including build support, operations oversight, and roadmap alignment - Support capital planning, technical scope definition, and major automation programs - Ensure supplier solutions meet Micron's requirements for operability, maintainability, and long-term sustainability Required Qualifications - Bachelor's degree or higher in Engineering (Mechanical, Electrical, Automation, Mechatronics, or related field) - 5-10 years of experience in semiconductor manufacturing, AMHS, or factory automation - Proven experience leading large-scale, complex automation systems in high-volume manufacturing environments - Strong systems thinking with demonstrated ability to influence across organizations, geographies, and disciplines - Solid understanding of AMHS KPI frameworks and data-driven continuous improvement methodologies - Scripting & Automation Literacy: Proficiency in scripting or programming languages to automate routine reporting, data extraction, KPI dashboards, and operational workflows - reducing manual effort and accelerating insights - Strong Communication Skills: Demonstrated ability to communicate complex technical topics clearly and concisely to both technical and non-technical audiences across all levels of the organization - including engineers, operations leaders, and executive stakeholders - Cross-cultural Collaboration: Proven ability to work effectively across diverse, multicultural, and geographically distributed teams - Analytical & Problem-Solving Mindset: Structured, data-driven approach to identifying root causes and driving sustainable corrective actions - Influence Without Authority: Ability to align and drive decisions across organizations, geographies, and disciplines without direct reporting authority - Self-directed & Adaptable: Capable of managing multiple priorities in a fast-paced, high-volume manufacturing environment with minimal supervision Preferred Qualifications - Experience with global or multi-site engineering governance - Deep knowledge of AMHS systems, AMHS scheduling logic, and semiconductor contamination control - Familiarity with Sorter, BWS, NTB, N2 purge solutions and wafer logistics automation - Prior experience stationed at a high-volume Fab with cross-functional leadership exposure - Japanese language proficiency (spoken and/or written) is highly preferred, given close collaboration with Japanese equipment suppliers and fab counterparts in the region (e.g., Shin-Etsu, Murata Machinery/Muratec, Daifuku, etc.) About Micron Technology, Inc. We are an industry leader in innovative memory and storage solutions transforming how the world uses information to enrich life for all . With a relentless focus on our customers, technology leadership, and manufacturing and operational excellence, Micron delivers a rich portfolio of high-performance DRAM, NAND, and NOR memory and storage products through our Micron® and Crucial® brands. Every day, the innovations that our people create fuel the data economy, enabling advances in artificial intelligence and 5G applications that unleash opportunities - from the data center to the intelligent edge and across the client and mobile user experience. To learn more, please visit micron.com/careers All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status. To request assistance with the application process and/or for reasonable accommodations, please contact hrsupport_japan@micron.com Micron Prohibits the use of child labor and complies with all applicable laws, rules, regulations, and other international and industry labor standards. Micron does not charge candidates any recruitment fees or unlawfully collect any other payment from candidates as consideration for their employment with Micron. AI alert: Candidates are encouraged to use AI tools to enhance their resume and/or application materials. However, all information provided must be accurate and reflect the candidate's true skills and experiences. Misuse of AI to fabricate or misrepresent qualifications will result in immediate disqualification. Fraud alert: Micron advises job seekers to be cautious of unsolicited job offers and to verify the authenticity of any communication claiming to be from Micron by checking the official Micron careers website in the About Micron Technology, Inc.
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