What are the responsibilities and job description for the Principal Architect position at CriticalRiver Inc?
Job title: Principal ArchitectLocation: Pleasanton, California, United States (Hybrid)Duration: Full time Summary:We’re hiring an exceptional Principal Architect to lead the ground-up design and build of our next-generation, multi-tenant SaaS platform for AI-powered financial intelligence and workflow automation. This is a true greenfield opportunity: architect, build, and launch a production-ready platform. Responsibilities:Own platform architecture end-to-end, including tech stack selection, multi-tenant design, auth systems, data architecture, and service topology.Lead the intelligence layer: LangGraph agent system, LLM integration strategy, and contextual intelligence design.Contribute high-impact code, drive engineering excellence, and accelerate execution velocity.Ensure infrastructure, security, reliability, and DevOps readiness.Requirements:12 years of software engineering experience, including 5 years in architect rolesProven success in architecting and launching greenfield multi-tenant SaaS platformsProduct development experience with aggressive timelinesExpertise across frontend, backend, data, and cloud infrastructure (AWS preferred)Strong experience with EKS/ECS, PostgreSQL, enterprise authentication, and high-performance systemsAI/LLM architecture experience: LangGraph/LangChain, agent-based systems, OpenAI/Anthropic integrationsStrong technical leadership and communication skillsGood to have:Financial services experience, startup/rapid growth background, security/compliance expertise, and cost optimization skills.Company DescriptionGreetings from CriticalRiver Inc. We are a trusted technology and utilities consulting company for comprehensive consulting, implementation, and managed services across the globe. The company’s highly experienced consultants are experts at understanding client needs and delivering strategic solutions that leverage the latest technologies and industry best practices.
Salary : $200,000 - $220,000