Principal Software Development Engineer - (Flowise)

Your work days are brighter here. We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing people, money, and agents, we’re shaping the future of work so teams can reach their potential and focus on what matters most. The minute you join, you’ll feel it. Not just in the products we build, but in how we show up for each other. Our culture is rooted in integrity, empathy, and shared enthusiasm. We’re in this together, tackling big challenges with bold ideas and genuine care. We look for curious minds and courageous collaborators who bring sun-drenched optimism and drive. Whether you're building smarter solutions, supporting customers, or creating a space where everyone belongs, you’ll do meaningful work with Workmates who’ve got your back. In return, we’ll give you the trust to take risks, the tools to grow, the skills to develop and the support of a company invested in you for the long haul. So, if you want to inspire a brighter work day for everyone, including yourself, you’ve found a match in Workday, and we hope to be a match for you too. About the Team Flowise is an open source platform for building AI agents and workflows. Since Workday’s acquisition, we are evolving Flowise into the foundation of Workday’s enterprise AI agent platform enabling customers and partners to build, deploy, and manage AI agents for HR and Finance at scale. We operate at the intersection of open source and enterprise. Our team maintains a rapidly growing open source project while building a secure, scalable enterprise platform deeply integrated with Workday’s ecosystem. This dual mandate creates unique architectural challenges and a rare opportunity to shape how enterprise AI agents are built and deployed. About the Role We are seeking a Principal Software Development Engineer to serve as the technical anchor and platform architect for Flowise. This is a hands-on leadership role that combines deep system design expertise, strong coding capability, and cross organizational technical influence. You will define and drive the long term architectural vision for Flowise as an extensible AI platform across open source, SaaS, and Workday enterprise environments. You will own critical systems, influence architectural direction across teams, and write production code that ships. What You Will Do Platform Architecture & Vision: Define and evolve the shared platform layer powering Flowise across open source, cloud, and enterprise deployments. Design modular SDKs, runtime systems, and integration patterns that ensure portability, extensibility, and long term maintainability. Own end-to-end system design including APIs, data models, service boundaries, and deployment strategies ​ AI Systems Leadership : Lead architectural decisions for AI agent design patterns, LLM orchestration, RAG pipelines, evaluation frameworks, model routing, safety guardrails, and performance optimization. Drive production reliability, observability, and cost efficiency strategies for AI workloads. Open Source & Enterprise Bridge : Define the roadmap for open source and enterprise, and design workflows that allow both codebases to evolve without creating maintenance debt. Represent Flowise in cross organizational architectural discussions and influence standards for enterprise AI deployment within Workday. Hands On Engineering : Contribute directly to the TypeScript monorepo (Node.js, React, Express). Review pull requests, debug complex issues, and participate in production on call rotations. Engineering Excellence & Mentorship : Raise the bar on testing practices, CI/CD pipelines, and observability standards. Mentor senior engineers and influence technical direction through design reviews and collaboration. About You Basic Qualifications 8 years of software engineering experience building large scale production systems. 6 years of experience and exper ... (truncated, view full listing at source)