Senior Backend Engineer, Identity & Access (SAML/OAuth)

LaunchDarkly Group; Northern (KY); Hybrid; USD 163,000 - 224,000; Full time

Job summary

LaunchDarkly in the United States seeks a Senior Backend Engineer to own the Identity & Access Management stack, including SAML and OAuth2 SSO, SCIM provisioning, login flows, MFA, and the API key and token infrastructure.

You will partner with Product Security on threat modeling, SOC 2/FedRAMP alignment, and raise the bar on reliability while mentoring engineers, building on a Go/TypeScript backend deployed on AWS with CockroachDB and Redis.

Qualifications

• 6+ years of professional software-engineering experience on complex backend applications.
• Experience building or operating production authentication and identity systems.
• Habits that emphasize backward-compatible changes, staged rollouts, and safe cutovers.

Responsibilities

• Own LaunchDarkly’s authentication surface end to end — SSO, SCIM provisioning, login and session flows, MFA, and API key/token authentication.
• Build enterprise identity capabilities for large customers, including multiple IdPs per account and MFA enforcement by default.
• Make the stack operable with SLOs, monitoring for certificate expiry, provisioning failures, alerting, runbooks, and on-call readiness.
• Partner with Product Security on threat modeling, audit logging, and compliance requirements (SOC 2, FedRAMP).
• Set the technical direction for identity and mentor fellow engineers through design reviews.

Skills

Go

Rust

Python

AWS

On-call ownership

Tools

Terraform

CockroachDB

Redis

AWS

Job description

LaunchDarkly in the United States seeks a Senior Backend Engineer to own the Identity & Access Management stack, including SAML and OAuth2 SSO, SCIM provisioning, login flows, MFA, and the API key and token infrastructure.

You will partner with Product Security on threat modeling, SOC 2/FedRAMP alignment, and raise the bar on reliability while mentoring engineers, building on a Go/TypeScript backend deployed on AWS with CockroachDB and Redis.