Senior Frontend Engineer, AI Platform
9 hours ago
Zark Lab is a collaborative AI workspace that enables teams to analyze data at any scale through natural conversation. We provide complete infrastructure— from storage and compute to AI‐powered analysis— so users can upload data, ask questions, and get insights without building systems or writing code. Our platform processes massive datasets (gigabytes to petabytes) and delivers real‐time conversational analytics. We're building high‐performance web experiences that make complex data analysis feel effortless. Role Description Senior Frontend Engineer – full‐time remote. Own the frontend architecture and user experience for our next‐generation web application. What You'll Build Modern web application using Next.js (App Router), React, and TypeScript Real‐time streaming interfaces using Server‐Sent Events (SSE)for AI‐powered analytics File upload workflows to Cloud Storage Systems High‐performance data visualization and collaborative workspace features Optimized rendering strategies (streaming, hydration, edge caching) for fast page loads Clean, maintainable component architecture with strong type safety What You'll Do Develop and maintain frontend features using Next.js, React, and TypeScript Integrate SSE APIs for real‐time streaming experiences with AI Implement robust file upload workflows to Cloud Storage (handling files from MBs to GBs)Optimize page performance: Lighthouse scores, bundle sizing, caching strategies, streaming rendering Collaborate with backend engineers to refine API interfaces and improve end‐to‐end performance Write clean, maintainable code with comprehensive testing, linting, and type safety Identify UI/UX bottlenecks and implement performance improvements Ship features independently with minimal oversight Requirements Strong experience with Next.js and React (App Router strongly preferred)Expert‐level TypeScript – you write type‐safe code by default Proven experience implementing SSE‐based streaming on the frontend Experience with Cloud Platform file uploads – presigned URLs, direct‐to‐cloud uploads, resumable uploads Solid understanding of web performance optimization – bundle analysis, code splitting, caching, rendering strategies Familiarity with modern build tools : Vite, Turbopack, Webpack, or similar Strong communication skills and ability to work independently Track record of shipping high‐quality frontend applications Nice‐to‐Have Experience with AI/LLM applications using SSE streaming Prior work with React Server Components and edge runtimes Experience with Cloud Run, Pub/Sub, or backend development Strong UI/UX awareness or experience with TailwindCSS / component systems (shadcn/ui, Radix, etc.)Familiarity with collaborative editing or real‐time multiplayer features Experience with data visualization libraries (Recharts, D3, Plotly)Why Join Zark Lab?Work on a cutting‐edge AI analytics platform at the intersection of infrastructure and user experience Significant ownership and impact – your work directly shapes the product Collaborate with a high‐caliber team of former founders and engineers from leading tech companies Competitive salary and equity Fully remote, flexible work environment Modern tech stack with freedom to influence architecture decisions Apply Now If you're excited about building high‐performance web applications that make data analysis feel magical, we'd love to hear from you. Seniority level Mid‐Senior level Employment type Full‐time Job function Engineering and Information Technology Industries: Technology, Information and Media #J-18808-Ljbffr
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