We're building Sophie, a multi-agent AI orchestrator that helps wealth management advisors deliver more personalized, effective service to their clients.
Our platform analyzes behavioral patterns, communication preferences, and emotional states to transform how advisors understand and serve their clients.
We're a small, well-funded team at an exciting inflection point — our technology works, customers love the product, and now we're building the engineering team to scale.The RoleWe're looking for a Full-Stack Engineer with a strong frontend focus to transform Sophie's user experience.
You'll own how wealth management advisors interact with our AI — making complex, powerful capabilities feel simple and intuitive.
This role is ~70% frontend, ~30% backend/integration.
You'll primarily build UI/UX, but you'll also connect APIs, occasionally modify backend logic, and contribute to product decisions.What You'll DoOwn the Advisor Experience• Build and refine the dashboard where advisors interact with Sophie• Design conversation views, client insights panels, and recommendation displays• Make complex AI outputs feel simple and actionableBuild Streaming UI• Create thoughtful loading states and progressive disclosure• Help users understand what the AI is doing — not just wait for results• Document and maintain a component library that accelerates development• Ensure new features feel cohesive with existing productOptimize Performance• Ensure fast load times and smooth interactions• Handle edge cases gracefully — advisors use Sophie during client calls• Focus on perceived performance as much as vigente metricsWhat We're Looking ForMust Have• 4+ years production React experience with deep understanding of hooks, context, and rendering optimization• Solid Next.js experience (App Router, server components,



API routes)• Strong TypeScript skills — non-negotiable• Proficiency with Tailwind CSS and modern styling approaches• Ability to implement complex, responsive layouts without designer hand-holdingGreat to Have• Experience building streaming/real-time UI (chat apps, live dashboards, collaborative tools)• Component library or design system experience• B2B SaaS background, especially professional services or financial contexts• Comfort with Framer Motion or CSS animations• Basic backend knowledge (Python/Node.js, reading API code)How You Work• Strong UX intuition — you notice when flows have one too many clicks• Pragmatic perfectionism — you know when to polish and when to ship• Clear communicator who can explain technical constraints in business terms• Collaborative mindset — frontend doesn't exist in isolationWhat This Role Is Not• Not a pure designer role — you'll implement designs, not create them from scratch• Not a backend role — despite being full-stack, emphasis is heavily frontend• Not a DevOps role — you deploy and debug, but don't manage infrastructure• Not a pixel-pusher role — we value engineers who think about UX, not just execute mockupsBase Competitive — Based on experience and locationEquity Meaningful early-stage grant with 4-year vestingEquipment To be decidedTime Off Flexible PTO with minimum 15 days encouragedSchedule Flexible hours with 3–4 hours daily overlap Americas timezonesInterview Process12Technical Screen — 60 min video conversation with CTO3Take-Home Challenge — 4–5 hours4Code Review & Extension — 75 min collaborative session5Values & Fit — 45 min conversation6References & OfferTotal timeline: 2–3 weeksApply for this roleFill out the form below.
We'll review your application and get back to you within a few days.
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📌 Full-Stack Engineer (Frontend-Heavy) (Estado de México)
🏢 Myprospera
📍 Estado de México