Senior Software Engineer – Test/Internal Tooling jobs in United States
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Parallel · 1 day ago

Senior Software Engineer – Test/Internal Tooling

positionLos Angeles, CA
timeFull-time
remoteOnsite
senioritySenior Level
money$150K/yr - $190K/yr
date5+ years exp

Parallel Systems is pioneering autonomous battery-electric rail vehicles designed to transform freight transportation by shifting portions of the $900 billion U.S. trucking industry onto rail. They are seeking a Senior Software Engineer to design, develop, and maintain critical test software/infrastructure for their autonomous rail vehicle, ensuring compliance with regulatory, technical, and safety requirements.

Autonomous VehiclesFreight ServiceGreenTechTransportation
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H1B Sponsor Likelynote

Responsibilities

Design, develop, and maintain testing frameworks for on-vehicle software as well as cloud-based services
Design, develop, and maintain hardware test stands for the vehicle subsystems
Maintain continuous integration (CI) pipeline, with an emphasis on reliability, speed, and cost effectiveness
Partner with hardware and software teams to develop useful internal software tooling
Contribute to regulatory documentation, including software traceability and test protocols
Provide technical mentorship and guidance to engineers across the testing and validation team
When appropriate, step into project leadership, ensuring milestones are well-defined and achieved

Qualification

PythonC++RustHITL testingSITL simulationsLinuxDevOpsCloud servicesDockerKubernetesPolyglot codebasesSafety-critical experienceRail control systems knowledgeTechnical mentorshipCross-functional collaboration

Required

5+ years of software development skills and professional experience with both scripting (Python) and systems (C++/Rust) programming languages
3+ years of experience building test software and/or internal tooling, with an emphasis on hard tech products in addition to conventional cloud software
Experience with both hardware-in-the-loop (HITL) testing and software-in-the-loop (SITL) simulations
Working proficiency with Linux, DevOps, cloud services, and containerization (Docker, Kubernetes)
Demonstrated success in leading technical design, setting direction, and mentoring other engineers

Preferred

Experience in safety-critical domains such as autonomous vehicles, industrial control, or aerospace
Knowledge of rail control systems (strong plus)
Ability to work cross-functionally and balance technical depth with product impact
Experience with polyglot codebases

Company

Parallel

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Parallel develops autonomous, battery-electric rail vehicles to convert freight from truck to rail.
dateFounded in 2020
location
Los Angeles, California, USA
people-size11-50 employees
web-link
https://www.moveparallel.com

H1B Sponsorship

Parallel has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (3)
2023 (3)
2022 (1)

Funding

Current Stage
Growth Stage
Total Funding
$91.35M
Key Investors
Anthos CapitalCongruent Ventures
2025-04-14Series B· $38M
2022-01-19Series A· $49.55M
2020-06-22Seed· $3.8M

Leadership Team

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Matt Soule
CEO and Co-Founder
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Benjamin Stabler
Co-Founder, VP of Engineering
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Company data provided by crunchbase