Parallel Systems
Direct Greenhouse career site

Software Engineer II - Test (Software)

Pay
$140,000 – $164,000 per year
Location
Los Angeles, CA
Listed
30 days ago

About the role

Parallel Systems is seeking a Software Engineer to design, develop, and maintain critical test software/infrastructure for an autonomous rail vehicle. In this role, you will work with systems required to ensure that our autonomous rail vehicles satisfy all regulatory, technical, and safety requirements.

This position requires strong software development skills as well as deep expertise in testing both cloud-based software and physical hardware systems. Moreover, candidates will need to be able to guide overall testing strategy, mentor engineers, and collaborate across product, software, hardware, and infrastructure/IT teams to deliver reliable, scalable solutions.

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
  • When appropriate, step into project leadership, ensuring milestones are well-defined and achieved

What Success Looks Like

  • After 30 Days: You've developed a working understanding of our testing infrastructure and are actively assisting in the bring-up of new test systems.
  • After 60 Days: You've developed a deep understanding of our testing infrastructure. You are assisting in significant overhauls and expansions to our testing capabilities, as well as actively driving discussions around the testing team's overall strategy and priorities.
  • After 90 Days: You've delivered major testing features and are proactively ensuring the testing team's roadmap is aligned with the company's future milestones.

Basic Requirements

  • 3+ years of software development skills and professional experience with both scripting (Python, JS, etc.) and systems (C++/Rust) programming languages
  • Professional experience, or a high interest, in working on software test infrastructure with the ability to reason about correctness, performance, and system design
  • Experience with both hardware-in-the-loop (HITL) testing and software-in-the-loop (SITL) simulations
  • Working proficiency with Linux and the software test/build/deploy lifecycle
  • Demonstrated success in leading technical design, setting direction, and mentoring other engineers

Preferred Qualifications

  • 2+ years of experience building test software and/or internal tooling, with an emphasis on hard tech products in addition to conventional cloud software
  • 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

Pay and benefits

We are committed to providing fair and transparent compensation in accordance with applicable laws. Salary ranges are listed below and reflect the expected range for new hires in this role, based on factors such as skills, experience, qualifications, and location. Final compensation may vary and will be determined during the interview process. The target hiring range for this position is listed below.

Target Salary Range

$140,000 - $164,000 USD

About Parallel Systems

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. Our innovative technology offers cleaner, safer, and more efficient logistics solutions. Join our dynamic team and help shape a smarter, greener future for global freight.

Read the original posting

From Parallel Systems's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

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Common questions

What is the salary for the Software Engineer II - Test (Software) role at Parallel Systems?

The Software Engineer II - Test (Software) posting at Parallel Systems states compensation of $140,000 – $164,000 per year. Final pay may depend on location, experience, and interview evaluation on Parallel Systems's official career site.

Where is the Software Engineer II - Test (Software) job at Parallel Systems located?

This Software Engineer II - Test (Software) position at Parallel Systems is located in Los Angeles, CA. Always check Parallel Systems's application page for specific state eligibility or relocation policies.

How do I apply for the Software Engineer II - Test (Software) position at Parallel Systems?

This listing links directly to Parallel Systems's Greenhouse application page. You can apply directly on Parallel Systems's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.