Lodestar

Software Engineer I,II,III: Simulations

Lodestar
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1 day ago
Los Angeles, CA, USAEntry Level / Mid Level / Senior

Base Salary

$99k - $250k/yr

Responsibilities

  • Build and extend the mission simulation environment used to develop and validate Lodestar’s autonomy stack.
  • Develop high-fidelity electro-optical sensor, orbital lighting, illumination, and environment models.
  • Build software-in-the-loop and hardware-in-the-loop test benches for flight software and simulated missions.
  • Design distributed simulation services that execute mission scenarios reproducibly and at scale.
  • Own simulation tooling, telemetry, regression frameworks, and related internal infrastructure.
  • Collaborate with perception, prediction, decision, and mission teams to define simulation scope and fidelity.
  • For senior levels, architect simulation infrastructure, establish technical direction, mentor engineers, and derive requirements from first principles.

Requirements

  • Bachelor’s or master’s degree in Computer Science, Aerospace, Robotics, Mechanical or Electrical Engineering, a related field, or equivalent experience.
  • Software Engineer I: 0–2 years of professional experience in simulation, robotics, or games, including internships and research placements; C++ and Python proficiency; ROS 2 exposure; multithreading fundamentals; 3D engine familiarity; and Linux and Docker experience.
  • Software Engineer II: 2–5 years of industry experience; strong modern C++ and Python; production ROS 2 experience; SIL/HIL experience; Unreal Engine, Unity, Isaac Sim, or Gazebo experience; distributed-services design; and concurrent programming experience.
  • Software Engineer III: 6+ years of industry experience, including ownership of a simulation stack or major subsystem; simulation infrastructure architecture; real-time distributed-systems expertise; SIL/HIL and CI regression pipelines; mentoring; and technical direction.
  • Preferred qualifications include orbital mechanics, Basilisk, physics engines, rigid-body dynamics, sensor modeling, GPU rendering or CUDA, Gazebo, Isaac Sim, 42, DDS, Zenoh, gRPC, PTP, NTP, Linux, Git, CI/CD, Docker, Kubernetes, networking, and distributed-autonomy communication protocols.
  • Must be a U.S. citizen, lawful permanent resident, protected individual, or eligible to obtain required U.S. Department of State authorizations under ITAR requirements.

Benefits

  • Base salary bands range from $99,000–$133,000 for P1 Entry through $175,000–$250,000 for P4 Senior.
  • Meaningful equity incentives through the employee option pool.
  • Flexible PTO with paid vacation, holidays, and sick leave.
  • Comprehensive medical, dental, and vision coverage.
  • 401(k) retirement plan with company match.
  • Location: Los Angeles.

Tech Stack

C++DockerGitgRPCKubernetesLinuxPythonUnityUnreal Engine

Categories

Robotics
Lodestar

About Lodestar

11-50 employees

Mortgage closing costs are all we do. From statewide transfer taxes to granular township fees, we make sure you closing costs are right for every disclosure. With an independent database of service providers and government fees, LodeStar leverages technological and mortgage industry expertise to create products and partnerships that automate disclosure of closing costs. Above all else, LodeStar’s core values are providing clarity, community, and connectivity throughout the mortgage industry.

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