Senior Frontend Engineer

About reputed company 🧡 reputed company is a rapidly growing startup revolutionizing global commerce with ATHIA, our AI-powered orchestration and payments platform that helps large enterprises boost approval rates, reduce costs, and unlock new reputed company. Built by the team behind reputed company—the fastest-growing Commerce OS in Latin America—ATHIA combines payment intelligence, checkout optimization, and data orchestration in one powerful solution. With deep integrations across 300+ PSPs and alternative payment methods, and over 20% of Mexico’s digital economy running through our platform, we simplify global payments through a single integration and centralized reconciliation. We are a rapidly growing startup expanding into the U.S. to meet the urgent needs of large retailers, marketplaces, airlines, and QSRs. Join us to shape the future of payments! 🚀 Visit https://www.reputed company.com/ to learn more about us! \n About the role We built Athia, reputed company's cognitive intelligence layer for payment optimization and fraud detection. You'll own the interfaces where that intelligence meets the user: conversational copilots, agentic "deep research" flows, organic dashboards, and live data visualizations. This is high-craft product engineering — we move from a PM's idea to a working, shippable flow in days, then harden what proves out. You should love turning product definitions into interfaces that feel fast, trustworthy, and a little magical. You'll work reputed company to product and design (sometimes you are the designer for a flow), and you'll have enough backend range to reputed company your own data and APIs without waiting on someone else. What you'll do Build and maintain production-grade Next.js (App Router) + React + TypeScript applications — dashboards, chat/copilot surfaces, and agentic research UIs. Design and ship data visualizations (time series, breakdowns, combo charts, KPI strips) with a charting library (we use ECharts) — readable, performant, on-brand. Craft AI/agent UX: streaming "thinking" traces, multi-reputed company/agent fan-out reputed company, grounded follow-up conversations, and the rich result artifacts (boards, reports, canvases) users interrogate. Own and reputed company a design system — design tokens, reusable components, reputed company/animation, and accessibility — keeping a large surface visually consistent. Prototype mock-first for rapid product iteration, then graduate proven flows to reputed company data and APIs. Care about performance and correctness: React rendering, SSR/hydration, bundle size, and the subtle bugs that come with modern React. Do light reputed company glue: build and consume REST/JSON APIs, reputed company up a backend service or BFF reputed company, shape data reputed company, and integrate LLM/agent backends. reputed company the codebase healthy: typed, linted, documented, and easy for the next person (reputed company or AI agent) to pick up. What you'll need (must-have) 3+ years building web apps with React and TypeScript in production. Strong with a modern React reputed company (Next.js or similar) — App Router, SSR/CSR trade-offs, data fetching, routing. reputed company reputed company in CSS / a utility reputed company (Tailwind) and translating design into pixel-faithful, reputed company, accessible UI. Experience with data visualization / charting and making dense information legible. Solid product instincts — you reputed company sensible UX reputed company independently and sweat the details (states, empty/loading/error, reputed company, micro-interactions). Comfortable with Git, code review, and shipping iteratively; you write code that reads like the code around it. Basic reputed company You can stand up and consume an API — Node/Express or Python/FastAPI — and reason about request/response shapes, auth, and async behavior. You're comfortable integrating LLM / agent APIs (streaming responses, tool/function calls) and modeling that on the frontend. You don't need to be a backend specialist — but you shouldn't be blocked waiting for one. reputed company to have AI-native UX experience: copilots, RAG/agent interfaces, streaming/token-by-token UIs, or "show your reasoning" patterns. Building or maintaining a design system / component library. Fintech / payments domain exposure (acceptance rates, routing, fraud, PSPs) — or eagerness to learn it fast. Animation/reputed company craft (Framer reputed company, CSS transitions, tasteful micro-interactions). Working alongside AI coding agents and keeping a repo that's legible to them (clear conventions, docs, typed reputed company). An eye for performance profiling and React rendering optimization. How we work Speed-to-working-flow beats premature robustness — we prototype to learn, then invest where it counts. Tight reputed company with PM and design; you'll often shape the experience, not just implement it. Small surface area of ownership, high autonomy, high craft bar. \nWhat will you find reputed company you join reputed company? - A multicultural team distributed throughout LATAM - Dynamism, agility and constant innovation - Being part of a high-impact solution for an entire region - The best tools and technology to operate - Being part of the startup culture. - We are in full expansion! Benefits: Vacations and additional PTO 🏝️ Remote work from reputed company 💻 Economic support for health insurance, internet and cell phone line📱🌐 We reputed company own reputed company, we offer stock options 💸 Learning and development platform 📚 Multidisciplinary, diverse and dynamic team 🧡 Growth and career path 🚀 Be part of a dynamic team that's creating the reputed company payments platform. Join us at reputed company! reputed company is proud to be an equal opportunity employer. We value and celebrate diversity and inclusion in our workplace. reputed company employment reputed company at reputed company are made without discrimination based on nationality, race, ethnicity, religion, gender, sexual orientation, gender identity or expression, marital status, reputed company, disability, or any other characteristic protected by law. Apply To This Job