Senior Backend Engineer - AI‑Driven SaaS & Security Focus

United States Digital Space LLC; United States; Remote; USD 150,000 - 190,000; Full time

Job summary

United States Digital Space LLC is seeking a senior software engineer to design and scale SaaS applications in a remote‑first environment. You will collaborate across product, engineering, and UX teams to deliver secure, high‑performance features.

Emphasis on authentication, authorization, and modern identity protocols will be key. You will mentor juniors, participate in code reviews, and champion best practices including AI‑assisted tooling to improve efficiency and security across the

Qualifications

• 5+ years of professional software engineering experience, SaaS focus.
• 3+ years with authentication and authorization systems.
• Experience with distributed applications.
• Mentoring and security‑first code reviews.

Responsibilities

• Design and deliver scalable SaaS solutions with a security‑first mindset.
• Collaborate with product, design, and engineering teams to ship features.

Skills

Python

Go

Cloud platforms

REST APIs

OIDC

SAML

RBAC

ABAC

JWT

Security concepts

Telemetry

CI/CD

OpenTelemetry

Datadog

Security‑first

OAuth/SSO

OAuth/SAML

Tools

Okta

EntraID

SSO

Kubernetes

OpenTelemetry

Datadog

AWS

Redis

DynamoDB

MySQL

PostgreSQL

Job description

United States Digital Space LLC is seeking a senior software engineer to design and scale SaaS applications in a remote‑first environment. You will collaborate across product, engineering, and UX teams to deliver secure, high‑performance features.

Emphasis on authentication, authorization, and modern identity protocols will be key. You will mentor juniors, participate in code reviews, and champion best practices including AI‑assisted tooling to improve efficiency and security across the