Senior Backend Rust Engineer - Simulation & Defense (Hybrid)

BluJuniper, Inc.; Arlington (VA); Hybrid; USD 150,000 - 220,000; Full time

Benefits offered by this job

Bonuses & stock options

Health, dental, vision coverage

Flexible hybrid work environment

Ownership & leadership authority

Growth opportunities

Job summary

BluJuniper is seeking a Senior Backend Engineer to build high-performance Rust-based simulation and backend systems in a hybrid Arlington, VA setting. You will own major components, design asynchronous services, and collaborate with frontend and AI/ML teams to enable defense-focused applications.

The role emphasizes ownership, architecture work, and hands-on development across demanding workloads, with opportunities for growth and leadership within a security-conscious environment.

Qualifications

• 5+ years of professional software engineering experience.
• 3+ years of professional Rust development experience.
• Strong Rust systems programming, ownership, concurrency, and memory safety.
• Experience with asynchronous Rust using Tokio.
• Backend services, REST APIs, and real-time streaming (SSE/WebSockets).
• Strong PostgreSQL experience including data modeling, schema design, and query optimization.
• Proven ability to own major components and make architectural decisions.
• Experience with code reviews, mentoring, and cross-team collaboration.
• Legally authorized to work in the United States and able to obtain clearance.

Responsibilities

• Design, develop, and maintain high-performance simulation systems and backend services in Rust.
• Take architectural ownership of major system components, from initial design through production.
• Develop asynchronous backend services, REST APIs, and real-time streaming capabilities.
• Design and optimize PostgreSQL schemas, queries, and data access patterns.
• Build reliable, scalable systems that support complex computational workloads.
• Integrate simulation and backend systems with frontend applications and AI/ML capabilities.
• Establish engineering standards for software quality, maintainability, testing, and reliability.
• Lead technical design discussions, architecture reviews, and code reviews.
• Mentor engineers while remaining an active, hands-on contributor.
• Collaborate with engineering teams to translate complex requirements into production software.

Skills

Rust backend

Concurrency

REST APIs

PostgreSQL

System design

Mentoring

Code reviews

Tools

Tokio

sqlx

serde

Axum

Job description

BluJuniper is seeking a Senior Backend Engineer to build high-performance Rust-based simulation and backend systems in a hybrid Arlington, VA setting. You will own major components, design asynchronous services, and collaborate with frontend and AI/ML teams to enable defense-focused applications.

The role emphasizes ownership, architecture work, and hands-on development across demanding workloads, with opportunities for growth and leadership within a security-conscious environment.