Principal Software Engineer – Full Stack, Backend-Focused

🕒 January 30

🍂 Massachusetts – Remote

🍂 Massachusetts – Remote

💵 $200k - $240k / year

⏰ Full Time

🔴 Lead

🔙 Backend Engineer

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Arcadia

WebsiteLinkedInAll Job Openings

201 - 500 employees

💰 $29.5M Venture Round on 2020-01

Arcadia is dedicated to happier, healthier days for all. We transform diverse data into a unified fabric for health. Our platform delivers actionable insights for our customers to advance care and research, drive strategic growth, and achieve financial success. For more information, visit arcadia.io.

📋 Description

• Leading the rearchitecture and implementation of the User Management platform—the foundation for authentication, authorization, and access control across Arcadia products • Building backend services and APIs (NestJS, TypeScript, PostgreSQL) supporting secure, multi-tenant access models • Designing distributed, event-driven systems to synchronize user data and access events across Arcadia applications • Driving modernization of existing authentication and provisioning flows (Auth0, SAML 2.0, OAuth2, JWT) • Managing cloud infrastructure through Infrastructure-as-Code (Terraform) and AWS-native services (ECS, S3, SNS, Aurora) • Defining SLOs and designing telemetry for key features, ensuring robust monitoring, canary, and standard rollout strategies • Partnering with cross-functional stakeholders—including Product, Security, and SRE—to ensure alignment between technical execution and organizational priorities • Providing leadership, mentorship, and clarity in complex, ambiguous problem spaces • Joining the engineering on-call rotation, contributing to the reliability and operational excellence of the User Management platform and related services • Ensuring that documentation, operational runbooks, and best practices are well maintained and available for peers and downstream teams

🎯 Requirements

• 10+ years of professional full-stack software engineering experience with a focus on backend and distributed systems • Proven success building and scaling identity and access management systems, including authentication (SAML 2.0, OAuth2, JWT) and fine-grained authorization frameworks • Expertise in TypeScript, Node.js/NestJS, and modern React/Angular development for full stack delivery • Strong command of cloud architecture (AWS preferred) and IaC practices with Terraform • Deep experience with relational and NoSQL data stores, designing for vertical & horizontal scalability and high availability • Demonstrated ability to own complex systems from design through rollout and post-release operation, with strong attention to quality and reliability • Excellent collaboration skills and the ability to work across engineering, product, and SRE teams to deliver cohesive, secure systems • Strong communication and architectural reasoning skills—able to balance pragmatism with long-term technical health • Passion for mission-driven work improving healthcare outcomes and enabling data-driven care delivery

🏖️ Benefits

• Competitive compensation, comprehensive benefits, and Flexible Time Off (~22-day company average) • A collaborative, remote-friendly engineering culture that values innovation, curiosity, and technical excellence • The opportunity to own one of Arcadia’s most critical platform domains and drive its evolution for scale and reliability • A mission-driven culture where your work improves patient outcomes and healthcare delivery