Principal Software Engineer (Full Stack, Backend-Focused) jobs in United States
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Arcadia · 16 hours ago

Principal Software Engineer (Full Stack, Backend-Focused)

Arcadia.io is dedicated to improving healthcare outcomes through better data and smarter technology. They are seeking a Principal Software Engineer to lead the rearchitecture and implementation of a robust User Management system that governs authentication, authorization, and user provisioning across all applications.

AnalyticsData IntegrationHealth CareInformation ServicesInformation TechnologySoftware
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H1B Sponsor Likelynote

Responsibilities

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

Qualification

Distributed systems expertiseIdentityAccess managementTypeScriptAWS architectureNode.js/NestJSPostgreSQLInfrastructure-as-Code (Terraform)Event-driven systemsCollaboration skillsCommunication skillsMentorshipProblem-solving

Required

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

Preferred

Experience modernizing identity and access systems or other critical, cross-cutting platform services
Familiarity with API gateway design, centralized JWT validation, and event-driven architectures
Exposure to data streaming or message-driven systems (Kafka, Kinesis, SNS/SQS)
Experience in healthcare technology, HIPAA compliance, or other regulated data environments
Polyglot engineering experience—comfort working across multiple languages and frameworks (e.g., Python, Java, Go) when solving complex distributed system challenges
Experience working with high-scale analytics platforms or distributed data processing frameworks (e.g., Apache Spark jobs), especially in environments integrating operational and analytical data pipelines

Benefits

Competitive compensation
Comprehensive benefits
Flexible Time Off (~22-day company average)

Company

Arcadia helps providers, payers, and government organizations transform healthcare data into predictive insights that drive better outcomes, increase revenue, and reduce costs.

H1B Sponsorship

Arcadia has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (8)
2023 (4)
2022 (5)
2021 (8)
2020 (11)

Funding

Current Stage
Growth Stage
Total Funding
$197.5M
Key Investors
Vista Credit PartnersCigna Ventures
2025-07-01Acquired
2023-04-13Debt Financing· $125M
2020-01-13Series Unknown· $29.5M

Leadership Team

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Anna Basevich
SVP Enterprise Partnerships and Customer Enablement
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Aneesh Chopra
Chief Strategy Officer
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Company data provided by crunchbase