Senior Backend Engineer - Greenfield Java SaaS (Remote)

United States Digital Space LLC; United States; Hybrid; USD 140,000 - 200,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) plan

Unlimited PTO

Job summary

United States Digital Space LLC is hiring a Senior Backend Engineer to build the Endpoint State and Control server-side foundation from scratch. You will define architecture, APIs, data models, and multi-tenant isolation for a cloud service serving global customers.

Join a greenfield project and collaborate with engineers owning agent/driver work and the management console UI, with ambiguity-driven design and AI-tool experimentation as part of the workflow.

Qualifications

• 5+ years of backend Java/Kotlin engineering.
• Strong Java 11+ skills, Kotlin preferred or willingness to ramp quickly.
• Experience designing RESTful APIs for multi-tenant SaaS platforms.
• Experience with PostgreSQL or an equivalent relational database.
• Comfortable with multi-tenant data isolation patterns and designing backend systems from scratch.
• Ability to lead backend technical design and drive cross-functional alignment.
• Curious about and comfortable experimenting with AI tools as part of development workflow.

Responsibilities

• Design and build server-side infrastructure for the Endpoint State and Control team.
• Define service architecture, API contracts, and data storage strategy from scratch.
• Collaborate with agent/driver and UI engineers to align contracts.
• Design for multi-tenant data isolation and high-volume endpoint event ingestion.
• Write architecture documents and drive cross-functional alignment.

Skills

Java

Kotlin

RESTful APIs

PostgreSQL

Multi-tenant data isolation

API design

AI tools

Tools

AWS

RabbitMQ

Kafka

SQS

Job description

United States Digital Space LLC is hiring a Senior Backend Engineer to build the Endpoint State and Control server-side foundation from scratch. You will define architecture, APIs, data models, and multi-tenant isolation for a cloud service serving global customers.

Join a greenfield project and collaborate with engineers owning agent/driver work and the management console UI, with ambiguity-driven design and AI-tool experimentation as part of the workflow.