Senior Backend IAM Engineer: Secure Auth & SSO Platform

Socket.dev; United States; On-site; USD 163,000 - 264,000; Full time

Job summary

LaunchDarkly is seeking a Senior Backend Engineer to own the Identity & Access Management stack, including SAML and OAuth2 single sign-on, SCIM provisioning, login and session flows, MFA, and the API key/token infrastructure that authenticates every request.

You will strengthen the stack using Go, TypeScript, CockroachDB, Redis, AWS, and Terraform, ensuring reliability, security, and enterprise readiness while mentoring teammates and shaping IAM direction.

Qualifications

• 6+ years of professional software engineering experience.
• Experience building or operating production authentication/identity systems.
• A track record on systems where correctness and availability are non-negotiable with safe rollout practices.
• Proficiency in at least one backend language (Go, Rust, Python) and familiarity with cloud infrastructure (AWS) and on-call ownership.

Responsibilities

• Own authentication surface end to end — SSO, SCIM provisioning, login and session flows, MFA, and API key authentication.
• Build enterprise identity capabilities including multiple IdP integrations and MFA enforcement by default.
• Make the stack operable with SLOs, monitoring for certificate expiry and provisioning, actionable alerting, runbooks, and a sustainable on-call.
• Partner with Product Security on threat modeling, audit logging, and compliance requirements (SOC 2/FedRAMP).
• Set the technical direction for identity and mentor engineers to raise the bar across the IAM team.

Skills

backend ownership

on-call ownership

security mindset

Tools

Go

Rust

Python

AWS

TypeScript

Job description

LaunchDarkly is seeking a Senior Backend Engineer to own the Identity & Access Management stack, including SAML and OAuth2 single sign-on, SCIM provisioning, login and session flows, MFA, and the API key/token infrastructure that authenticates every request.

You will strengthen the stack using Go, TypeScript, CockroachDB, Redis, AWS, and Terraform, ensuring reliability, security, and enterprise readiness while mentoring teammates and shaping IAM direction.