Frontend Developer

About ChronoAI ChronoAI is an advanced AI technology company specializing in human-centric artificial intelligence solutions. We combine cutting-edge natural language processing with personalized analysis frameworks to create AI systems that understand individual psychology, decision-making patterns, and personal context, delivering meaningful insights for personal and professional development.

The Role

We are looking for a Senior Frontend Engineer with hands-on experience building AI-powered interfaces , particularly chatbots, agent-driven workflows, and streaming LLM experiences.

This role is frontend-heavy. You will own the design and implementation of UI components for a multi-agent AI platform , including conversational interfaces, agent state visualization, and real-time interaction patterns. You will work closely with backend and AI engineers, but your primary focus is translating AI capabilities into intuitive, production-ready user experiences.

What You'll Do

Build and ship LLM-powered chatbot and agent interfaces using React and modern frontend frameworks

Design and implement streaming, event-driven UIs for AI agents (token streaming, tool calls, agent states)

Own frontend architecture for AI-first products, including reusable components and scalable UI patterns

Integrate frontend applications with AI backends (LLMs, agent orchestration layers, RAG pipelines)

Translate complex AI behaviors into clear, usable user experiences

Optimize frontend performance, responsiveness, and reliability for real-time AI interactions

Collaborate closely with product, design, and AI/backend engineers to iterate quickly

Uphold high standards for code quality, maintainability, and testing in a fast-moving AI environment

What We're Looking For (Must-Have)

5+ years of professional frontend engineering experience

Strong expertise in React , Next.js , and modern TypeScript-based frontend stacks

Hands-on experience building AI-powered UIs , especially:

Chatbot or conversational interfaces

LLM-integrated applications

Streaming or real-time interfaces

Experience integrating frontend with AI APIs (e.g. OpenAI, Anthropic, or similar)

Solid understanding of frontend–backend interaction patterns in AI systems (state, latency, retries)

Ability to independently take AI-driven features from concept to production

Strong communication skills and product ownership mindset

Strongly Preferred

Experience working with AI agents , tool-calling flows, or multi-step LLM workflows

Familiarity with RAG-based UI patterns (search, citations, context panels)

Experience visualizing agent state, reasoning steps, or tool execution in the UI

Built or shipped a production LLM chatbot or copilot

Experience in AI-first or fast-iteration product environments

Nice to Have

Experience with .NET-based backends

Familiarity with WebSockets, SSE, or streaming APIs

Exposure to cloud platforms (AWS, GCP, Azure)

Experience building internal tools or developer-facing AI products