Senior Software Engineer I

Alpharetta, GA - HybridFull-time2026-10-30 → 2026-11-10

Core

Build and scale a production Customer Identity and Access Management (CIAM) platform handling authentication, authorization, and identity flows for insurance carriers, distributors, and policyholders.

Role type

Senior IC backend software engineer (CIAM/Identity)

Builds

Production authentication and authorization services for Zinnia's insurance platform

Domain

Insurance technology / Identity and Access Management

Required skills

TypeScript/Node.js, OAuth 2.0, OpenID Connect, SAML, RBAC/ABAC/ReBAC, API design, CI/CD, containerization, cloud infrastructure (AWS)

Preferred skills

Auth0/Okta/PingOne, OpenFGA, event-driven architectures (Kafka), API gateways (Kong), MongoDB, Terraform, Datadog

Technologies

AWS, TypeScript, Node.js, OAuth 2.0, OpenID Connect, SAML, Auth0, Okta, PingOne, Kafka, Kong, MongoDB, Terraform, Datadog

Responsibilities

Build authentication flows (SSO, passwordless, M2M), design fine-grained authorization models, implement automated user provisioning, maintain CIAM APIs, partner on application onboarding, ensure quality via testing/observability, work with security/compliance teams

Seniority

Senior, hands-on IC

About Zinnia

Zinnia is the leading technology platform for accelerating life and annuities growth. With innovative enterprise solutions and data insights, Zinnia simplifies the experience of buying, selling, and administering insurance products. All of which enables more people to protect their financial futures. Our success is driven by a commitment to three core values: be bold, team up, deliver value – and that we do. Zinnia has over $180 billion in assets under administration, serves 100+ carrier clients, 2500 distributors and partners, and over 2 million policyholders.