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Computational Physics Software Engineer

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PassiveLogic

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Location:
United States , Salt Lake City

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

This is a career-defining opportunity to play a crucial role in a hyper-scale AI company that is transforming the future of autonomous systems, energy, and the built environment. As the Computational Physics Software Engineer, you will play a meaningful role in our AI team developing differentiable physics-based equipment inferencer environment within an AI-driven control engine.

Job Responsibility:

  • Build infrastructure: Develop and maintain infrastructure for a differentiable multi-physics simulation engine
  • Design interfaces: Develop an interface with the object model through Object Relational Mapping
  • Control path support: Provide an infrastructure to support PassiveLogic’s control path predictor and front-end simulation environments
  • Develop autonomous systems: Develop robust autonomous software that must run with no human supervision for decades
  • Ensure robust systems: Use thoughtful architecture design, documentation, unit testing, integration testing, profiling, and collaboration with the Formal Methods team to ensure this robustness
  • Collaboration: Collaborate with the Digital Twins team for physics optimization and collaborate with the Compiler team for accelerator approaches

Requirements:

  • Proven experience: Strong proficiency in systems programming languages such as Swift, Rust, C++, or Java, as well as appreciable software engineering skills in working with large codebases with non-trivial architecture, beyond just coding small (1000’s of lines) programs and scripts
  • Exceptional communication skills: Extraordinary teammate with excellent interpersonal skills
  • Organized and strategic: Experience with software design, design patterns, and software architecture
  • Collaborative mindset: Strong self-motivation towards PassiveLogic’s mission to “empower people through generative autonomy to solve the world's largest climate challenges.”
  • Adaptability: Comfortable in a fast-paced startup environment, eager to learn, iterate, and innovate
  • Problem solving: You own this role. When issues arise, be the empowered force that solves them, rolling-up
  • Experience with: Code performance and memory optimization
  • Concurrency, threads, processes, Lib-dispatch/GCD
  • GPU programming, high-performance computing, and scientific computing
  • Vector, SIMD, and tensor computational methods
  • Strong math, numerical methods, and analysis skills

Nice to have:

  • A relevant educational background: A BS, MS, or PhD in software engineering, computer science, applied mathematics, physics or other engineering degrees
  • Varied programming and domain experience: Experience with Swift programming language, auto-differentiation, systems modeling and algorithm development, fundamentals of building energy or electromechanical systems, and/or autonomous systems
  • Familiarity with the startup environment: Experience working and collaborating in a startup
What we offer:
  • Competitive compensation
  • Generous equity share package
  • Medical, dental and vision coverage
  • Disability and life Insurance options
  • Flex PTO
  • Team-building events
  • Free catered lunch in the office Monday — Friday
  • Free ski pass (We are at the base of Big Cottonwood Canyon)
  • Free National Park pass

Additional Information:

Job Posted:
February 13, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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