Senior Principal, Enterprise Platform Architecture

Blue Shield of California; United States; Hybrid; USD 182,000 - 273,000; Full time

Job summary

Stellarus is seeking a seasoned Senior Principal, Application Architecture, to shape enterprise-scale platform patterns across payer, provider, pharma, and partner workflows. You will set direction for domain-owned services, APIs, event-driven orchestration, and vendor integrations, translating strategy into practical architectures for engineering teams.

This role demands hands-on coding influence, AI-assisted development focus, and strong governance to improve reuse, security, and observability

Qualifications

• Bachelor’s degree or equivalent with 4 years of relevant experience.
• 12+ years of software engineering, application architecture, or related technical experience.
• Experience setting architecture direction for enterprise-scale distributed systems.
• Expert knowledge of microservices, API ecosystems, event-driven architecture, and domain-driven design.
• Strong hands-on engineering background comfortable with code, design, and deployment.
• Experience with cloud environments (Azure preferred; AWS/GCP transferable).
• Proven ability to lead complex technical decisions across stakeholders.
• Excellent written communication.
• Healthcare/pharma/regulatory platform experience preferred.

Responsibilities

• Set technical architecture vision for enterprise-scale application platforms that support multiple customers, vendors, product lines, and business workflows.
• Define reusable architecture models for domain-owned services, APIs, event-driven workflows, marketplace capabilities, customer isolation, and vendor integrations.
• Serve as the senior technical authority for build-vs-buy, platform consolidation, modernization, and integration strategy decisions.
• Translate platform strategy into practical architecture patterns that teams can build, test, deploy, operate, and evolve.
• Stay hands-on to review designs, read code, evaluate PRs, reason through incidents, and guide concrete decisions.
• Align senior engineering and product leaders on architecture priorities, risks, standards, tradeoffs, and investments.
• Establish architecture governance and decision frameworks to improve reuse, resiliency, security, interoperability, observability, and production outcomes.
• Establish patterns for data boundaries, multi-tenant workflows, shared services, and marketplace enablement across the Stellarus platform.
• Advance AI-assisted development practices, architecture documentation, service templates, and reusable guidance.
• Mentor principal engineers, architects, and senior technical leaders to strengthen enterprise-level design judgment.
• Document decisions and create patterns for AI tools and developers to operate efficiently.

Skills

microservices

API ecosystems

event-driven architecture

domain-driven design

TypeScript

Node.js

React

Kubernetes

CI/CD

Azure

OpenAPI

Healthcare industry knowledge

Education

Bachelor's degree or equivalent with 4 years relevant experience

12+ years of software engineering / architecture

Tools

Azure Kubernetes Service

Terraform

GitHub Actions

Docker

Snowflake

Job description

Stellarus is seeking a seasoned Senior Principal, Application Architecture, to shape enterprise-scale platform patterns across payer, provider, pharma, and partner workflows. You will set direction for domain-owned services, APIs, event-driven orchestration, and vendor integrations, translating strategy into practical architectures for engineering teams.

This role demands hands-on coding influence, AI-assisted development focus, and strong governance to improve reuse, security, and observability