Simulation Runtime Engineer (C++/Python)

Location: Onsite in Irving, Texas, five days per week. Domestic relocation assistance is available. Visa sponsorship is available for eligible applicants.

Salary: $97,530–$158,480 per year

Company

hirify.global develops construction machinery and technologies for autonomous construction sites, including physical AI, simulation, sensing, and edge computing solutions.

What you will do

• Develop and maintain simulation runtime components, reusable libraries, services, tools, and integrations using C++ and Python.
• Implement simulation startup, configuration, lifecycle management, execution, shutdown, error handling, and results collection.
• Integrate runtime systems with Unreal Engine, NVIDIA Omniverse, Isaac Sim, physics engines, scenario systems, and platform services.
• Create APIs, SDKs, configuration interfaces, command-line tools, developer utilities, and packaging workflows.
• Build automated unit, integration, regression, and performance tests and support CI/CD, dependency management, deployment, and releases.
• Profile and improve CPU, GPU, memory, startup, throughput, latency, and runtime stability while collaborating with simulation, rendering, digital twin, platform, and QA engineers.

Requirements

• At least 2 years of software engineering experience; relevant academic, research, internship, or project experience may be considered.
• Software development experience with C++, Python, C#, Java, or another relevant language, plus strong data structures, algorithms, and object-oriented design fundamentals.
• Experience with Linux, Git, build systems, debugging tools, automated testing, and CI/CD workflows.
• Understanding of APIs, SDKs, software packaging, dependency management, configuration systems, and integration testing.
• Bachelor’s degree in Engineering, Computer Science, Software Engineering, Robotics, or a related discipline.
• Ability to work onsite full-time at the Irving, Texas office five days per week.

Nice to have

• Experience with simulation, game engines, robotics, physics engines, distributed systems, or real-time software.
• Exposure to Unreal Engine, NVIDIA Omniverse, Isaac Sim, Unity, Gazebo, AirSim, CARLA, or comparable tools.
• Experience with Docker, cloud environments, GPU-enabled applications, or performance optimization.

Culture & Benefits

• Medical, dental, and vision benefits.
• Paid time off, holidays, volunteer time, parental leave, and adoption benefits.
• 401(k), HSA, FSA, disability benefits, life insurance, and voluntary benefits.
• Career development, tuition reimbursement, health lifestyle programs, and employee assistance.
• Incentive bonus and domestic relocation assistance.