What are the responsibilities and job description for the Principal Architect position at Critical River, Inc.?
Job Details
Job title: Principal Architect
Location: 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 roles
- Proven success in architecting and launching greenfield multi-tenant SaaS platforms
- Product development experience with aggressive timelines
- Expertise across frontend, backend, data, and cloud infrastructure (AWS preferred)
- Strong experience with EKS/ECS, PostgreSQL, enterprise authentication, and high-performance systems
- AI/LLM architecture experience: LangGraph/LangChain, agent-based systems, OpenAI/Anthropic integrations
- Strong technical leadership and communication skills
Good to have:
Financial services experience, startup/rapid growth background, security/compliance expertise, and cost optimization skills.
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.
Salary : $200,000 - $220,000