Rust Software Engineer

Reston, VA Website Wallach Search Group Location: Reston, VA Security Clearance: SECRET We’re looking for a mid-level Rust Software Engineer to build and optimize high-performance software supporting simulation, optimization, and decision support in mission-focused environments. You’ll work in a large, production Rust codebase alongside researchers and engineers, turning complex algorithms and research into reliable, performant software. The role spans backend services, databases, frontend applications, and supporting infrastructure, making it a strong fit for an engineer who enjoys solving challenging technical problems and seeing research become operational capability. What You’ll Do Develop and maintain production software in a large Rust codebase Design and optimize performance-sensitive algorithms and computational workloads Build backend services using technologies such as Axum and Tokio Integrate software with databases, frontend applications, APIs, and infrastructure Collaborate with researchers, engineers, and end users to translate complex technical concepts into practical software Help evolve research-driven capabilities into scalable, maintainable production systems Required Qualifications Bachelor’s degree in Computer Science, Mathematics, Physics, Applied Mathematics, or a related technical field 3+ years of professional software engineering experience Strong experience developing production-grade, performance-sensitive software in Rust Experience developing backend services with Axum or similar frameworks Experience with asynchronous programming, preferably using Tokio Strong software engineering fundamentals and problem-solving skills Experience working across the software stack, including familiarity with web application development Ability to collaborate effectively with researchers, engineers, and end users U.S. citizenship required ACTIVE SECRET Security Clearance Preferred Qualifications ACTIVE TS/SCI CLEARANCE Experience with Java, Python, TypeScript, and/or React Experience developing highly optimized parallel or concurrent software Experience with GPU programming or acceleration Background working on simulation, optimization, scientific computing, or other computationally intensive applications Why This Role This is an opportunity to work on technically challenging, mission-critical software where performance matters and your work directly contributes to real-world capabilities. You’ll have the chance to operate at the intersection of advanced research and production engineering, working with a highly technical team to turn sophisticated algorithms into software that performs in the real world.