Principal Platform Engineer: CIAM, SSO & Cloud APIs

Insight Global (United States); United States; On-site; USD 180,000 - 240,000; Full time

Job summary

Insight Global's client is seeking a Principal Software Engineer to lead platform engineering efforts across CIAM and Commerce/Billing. The role is hands-on, building shared services, APIs, and cloud-native solutions in AWS, with focus on scalable, secure identity and billing experiences across multiple products.

You will collaborate with teams to reduce duplication and improve reliability. The ideal candidate has senior-level software engineering experience, strong API, authentication, and

Qualifications

• Proven experience at Principal/Staff/Lead engineer level.
• Hands-on coding of production software and services.
• Design and build REST APIs, microservices, and distributed systems.
• Experience with AWS and cloud-hosted applications.

Responsibilities

• Design and build shared platform services for multiple products.
• Create unified SSO and customer identity experiences across products.
• Build integrations with CIAM platforms such as Auth0.
• Develop cloud-native apps and services hosted in AWS.
• Design APIs and integrations across identity, commerce, billing, provisioning, and product systems.
• Modernize commerce workflows for consistent purchasing, billing, and fulfillment.
• Integrate with Oracle-based commerce/billing systems via APIs.
• Provide principal-level technical leadership while remaining hands-on.
• Partner with teams to identify reusable services and reduce duplication.
• Establish scalable engineering patterns focused on reliability, security, maintainability.

Skills

Software engineering

Senior level

Hands-on coding

REST APIs

AWS cloud

System integration

OAuth/OIDC

Cross-product architecture

Legacy integration

Job description

Insight Global's client is seeking a Principal Software Engineer to lead platform engineering efforts across CIAM and Commerce/Billing. The role is hands-on, building shared services, APIs, and cloud-native solutions in AWS, with focus on scalable, secure identity and billing experiences across multiple products.

You will collaborate with teams to reduce duplication and improve reliability. The ideal candidate has senior-level software engineering experience, strong API, authentication, and