Senior Software Engineer

Parallel Systems • Los Angeles, CA

3d

About The Position

Parallel Systems is seeking a Senior Software Engineer to design, build, and optimize critical system applications. You will work on high-performance backend systems that empower our rail vehicles to navigate the rail network safely and securely, as well as interface with customer’s train control systems. This role requires deep expertise in systems programming and the ability to build robust, efficient software solutions.

Requirements

• 5+ years of experience in backend or systems-level software development.
• Professional experience in C, C++, Rust, or other systems programming languages.
• Strong understanding of operating systems, networking, and concurrency models.
• Experience building highly available, high-performance systems.
• Proficiency with Linux environments, low-level system interactions, and memory management.
• Strong debugging and performance optimization skills for complex distributed systems.

Nice To Haves

• Experience with Rust in production or a strong desire to work with Rust.
• Experience in safety critical application spaces such as autonomous vehicles, industrial control equipment, or aerospace.
• Experience in or knowledge of rail control systems is greatly preferred.
• Familiarity with cloud-based architectures and containerized environments (Docker, Kubernetes).

Responsibilities

• Design and implement high-performance, low-latency backend systems for critical train control applications.
• Develop and maintain system-level software written primarily in Rust.
• Optimize existing codebases for scalability, performance, and reliability.
• Collaborate with cross-functional teams to architect fault-tolerant and distributed systems.
• Ensure software meets security, compliance, and performance standards.
• Conduct performance profiling, debugging, and system diagnostics for complex issues.
• Contribute to code reviews, technical discussions, and best practices within the team.

Benefits

• We are committed to providing fair and transparent compensation in accordance with applicable laws.
• Parallel Systems is an equal opportunity employer committed to diversity in the workplace.
• Parallel Systems is committed to the full inclusion of all qualified individuals.
• As part of this commitment, Parallel Systems will ensure that persons with disabilities are provided reasonable accommodations.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed