Software Engineer job opportunity at Infleqtion.

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Date2026-03-06T17:33:13.239Z bot
Infleqtion Software Engineer
Experience: 5-years
Pattern: full-time
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loacation Louisville, United States Of America
loacation Louisville....United States Of America

Description Infleqtion is on a mission to commercialize atom-based quantum technologies that deliver orders-of-magnitude improvements in sensing and computing applications. As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to innovation. We are seeking a Software Engineer with deep expertise in Rust and familiarity with embedded systems development to join our cross-functional engineering team. In this role, you’ll work across the stack—from low-level embedded Rust and gateware integration to higher-level Rust application interfaces, with exposure to frontend technologies. You’ll collaborate closely with hardware, firmware, and application teams to build reliable, high-performance systems. While a physics background is not required, experience working with physical systems or scientific instrumentation is beneficial. The ideal candidate is fundamentally a software engineer, with strong embedded systems intuition and a commitment to continually deepening their technical expertise. Job Responsibilities The duties and responsibilities listed below describe the essential functions of the role. Actual responsibilities may vary based on business needs and may change or expand over time. Collaborate closely with cross-functional teams—including hardware engineers, physicists, and software developers—to deliver fully integrated product solutions.  Maintain documentation of designs, workflows, and processes in compliance with internal and regulatory standards.  Contribute to integrating Rust-based middleware and driver software used for device control. Collaborate with hardware and FPGA teams to develop software drivers and interfaces for embedded devices. Develop and maintain system-level APIs and communication layers Contribute to frontend development where needed to support tooling, visualization, or user interfaces Write clean, well-tested, and well-documented code Participate in code reviews and technical design discussions Qualifications: Education & Experience Bachelor’s degree in computer science, Electrical or Computer Engineering, or a related technical discipline (or equivalent practical experience) Minimum of 5 years of industry experience in Rust Development Exposure to embedded software development using Rust and/or C++. Working knowledge of gateware development and hardware/software integration (e.g., FPGA-based systems) Exposure to frontend development (e.g., JavaScript/TypeScript, React, or similar frameworks). Strong background in developing and debugging embedded Linux environments.  Familiarity with embedded and system-level communication interfaces (SPI, I²C, UART, PCIe, Ethernet, etc.) Solid understanding of systems programming concepts (memory safety, concurrency, performance) Nice to Have  Background in high-reliability or performance-critical systems Knowledge of WebAssembly (WASM) and Rust-based frontend frameworks Familiarity with real-time operating systems (RTOS) and bare-metal development.   Demonstrated experience in architecting embedded control systems and integrating them into hardware platforms.  We highly value Excellent verbal and written communication skills, with the ability to effectively share information with both technical and non-technical audiences Strong collaboration and engagement skills, with a sense of ownership, pride in your work, and a constant drive for success A strong sense of urgency and responsibility, paired with attention to detail where it matters most An open communication style and a positive, professional attitude reflected in daily work habits Strong problem-solving skills and the ability to learn quickly in new domains The ability to work with a high degree of autonomy—taking high-level goals and defining, resourcing, and executing an effective plan—while also collaborating closely and incorporating feedback from teammates as needed

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