[Remote] Senior Software Engineer, Partnerships & Integrations (Open-Source)

Note: The job is a remote job and is open to candidates in USA. CopilotKit is the #1 open-source platform for connecting AI Agents with user-facing applications. The Senior Software Engineer will own deep integrations between CopilotKit & AG-UI and the broader agentic stack, collaborating with major AI teams at leading companies to enhance user-interactive AI capabilities.

Responsibilities

• Build and maintain integrations with agent frameworks and model providers, including AG-UI protocol adapters
• Design clean, idiomatic APIs that feel native to each framework while maintaining ecosystem consistency
• Own full integration lifecycle: research, prototyping, implementation, documentation, and maintenance
• Work directly with partner teams to coordinate releases, resolve compatibility issues, and influence roadmaps
• Create comprehensive examples and guides for rapid adoption
• Monitor ecosystem trends and identify high-value integration opportunities

Skills

• Track record building integrations, SDKs, or libraries that connect disparate systems
• Strong TypeScript expertise (3+ years); Python proficiency is a plus
• Experience rapidly learning new frameworks and APIs (you have a system for this)
• Comfort working across multiple codebases and languages simultaneously
• AI-native workflow with demonstrated ability to leverage AI tools for exploring APIs and accelerating context-switching
• Clear communication skills for cross-team/cross-company collaboration
• High independence and ability to drive projects end-to-end
• Agent framework experience (LangGraph, CrewAI, ADK, Mastra)
• LLM APIs
• External partner work
• Open-source contributions
• React
• Real-time systems

Benefits

• Competitive salary and real equity with early-stage ownership and line-of-sight to value creation
• 100% health coverage for employees, 50% for dependents
• Dental and Vision insurance
• Competitive paid time off
• Remote-first, high-agency culture: Flexible work, no micromanagement, and full trust and ownership

Company Overview

CopilotKit is the full-stack framework for building user interactive agents and copilots. The company behind the AG-UI Protocol. It was founded in 2023, and is headquartered in Seattle, Washington, USA, with a workforce of 11-50 employees. Its website is https://www.copilotkit.ai/.

Company H1B Sponsorship

CopilotKit has a track record of offering H1B sponsorships, with 1 in 2025. Please note that this does not guarantee sponsorship for this specific role.