We are seeking a highly experienced Senior Software Engineer to join our Core Platform team. In this role, you will own and evolve the end-to-end architecture of the Core Platform, including backend services, SDKs, AI-enabled capabilities, and supporting infrastructure. Design and operate scalable APIs, event-driven systems, distributed services, and AI-integrated workflows, ensuring high standards for reliability, performance, observability, and security. Help set technical direction, mentor engineers, and drive engineering best practices across the team. Key Responsibilities Own the end-to-end architecture of the Core Platform, including backend services, SDKs, AI-enabled components, and related infrastructure. Design and implement scalable APIs, event-driven systems, distributed services, and AI-integrated capabilities (including AI/ML and MCP integrations). Architect systems that reliably incorporate AI models into production environments, with strong attention to observability, latency, cost management, and failure handling. Lead API design and implementation with a focus on usability, performance, and long-term maintainability. Architect and evolve microservices using domain-driven design principles. Build platform abstractions and primitives that enable AI-driven workflows and agent-based capabilities. Partner closely with Product, Infra, and Customer Success teams to deliver seamless, customer-centric integration capabilities. Provide technical leadership, mentorship, and architectural guidance to engineers. Establish and elevate engineering best practices across design, development, testing, and operations.