Senior Software Engineer, Core Frameworks – Protocols

🕒 March 18

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CopilotKit

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2023

🤖 Artificial Intelligence

☁️ SaaS

🏢 Enterprise

Artificial Intelligence • SaaS • Enterprise

CopilotKit is an enterprise-ready frontend stack that enables developers to embed AI agents and copilot interfaces into real applications. It provides streaming-first SDKs for React, Next. js, and Vue with options for pre-built customizable components or headless integration, plus an open AG-UI protocol to connect any agent framework or LLM. Features include persistent agent-user threads, multimodal interactions (voice, file uploads), observability and product insights for agentic flows, and continuous learning from human feedback; it can be self-hosted and is targeted at production-grade, user-facing agentic applications.

📋 Description

• Build the core infrastructure powering the next generation of AI-native applications. • Design TypeScript & Python SDKs, real-time systems, and developer-facing abstractions used by tens of thousands of engineers. • Collaborate with leading AI infrastructure teams and hyperscalers to make integrating AI copilots seamless. • Own systems end-to-end and help shape how production-grade AI agents interact with users. • Direct AI to generate, refactor, and explore while evaluating outputs and course-correcting in real time.

🎯 Requirements

• Track record building developer tools, SDKs, or libraries used by engineering teams • Deep TypeScript expertise (3+ years) with React and Node.js experience • Experience designing clean APIs and navigating fast-moving, ambiguous environments • AI-native workflow: You actively use AI tools (Copilot, Cursor, Claude, etc.) for architecture exploration, refactoring, and rapid prototyping—not just autocomplete; you think at the level of systems and outcomes, directing AI to generate and explore while evaluating outputs critically • Clear communication and high degree of independence

🏖️ Benefits

• 100% health coverage for employees, 50% for dependents • Dental and Vision insurance • Competitive paid time off • Flexible work, no micromanagement, and full trust and ownership