Software Engineer

About the Company General Matter is enriching uranium in America. Our goal is to design, build, and operate the world’s lowest-cost enrichment services in the United States. Our mission is to restore America’s ability to produce nuclear fuel—fuel that will power AI, advanced manufacturing, critical industries, and the next generation of nuclear reactors. Ultimately, our work will help power national ambitions and enable a high-energy society. We were incubated by Founders Fund, like Anduril and Palantir before us, and are backed by top-tier investors. Our lean, world-class team of engineers and operators is applying a first-principles approach to solving the problem of nuclear fuel production. We are a mission-driven company with a culture of urgency, accountability, and transparency. Help us build a high-energy society by making the cleanest, safest form of baseload energy the most affordable. About This Role As a General Matter Software Engineer, you will develop performant, safe and high-quality software to directly control our systems. Your code will be responsible for commanding actuators and processing high-speed signals in applications where safety and accuracy are exceedingly important. You will work closely with cross-functional teams, including electrical engineers, software engineers, chemical engineers, manufacturing engineers, nuclear engineers, materials scientists and physicists. If you seek high-impact and are excited by fast-paced, intense, Skunkworks-style projects, we encourage you to reach out to join our team. Responsibilities Design and implement high-performance, production-grade software systems in C++ and Python, with a strong focus on reliability and maintainability Architect complex solutions from the ground up, making principled decisions around system design, performance trade-offs, and technology selection Lead technical design reviews and code reviews, setting and enforcing engineering best practices across the team Build and maintain automated testing and CI/CD pipelines to ensure software quality at scale Mentor junior and mid-level engineers while driving independent progress on complex, ambiguous technical problems Basic Qualifications Bachelor's degree in Computer Science, Engineering, or equivalent, with 5+ years of professional software engineering experience Deep proficiency in C++ and/or Python, including language internals, performance characteristics, and idiomatic usage Strong understanding of Linux internals — process management, memory models, I/O, and system calls — and how they influence software design and performance Strong CS fundamentals — algorithms, data structures, concurrency, and system design Demonstrated ownership of large, production-grade systems with evidence of exceptional technical ability Preferred Skills and Experience Experience with distributed systems, observability tooling, and infrastructure as code Proficiency in Python ecosystems for data pipelines, automation, or backend services Experience with C++ performance optimization, profiling, and low-level systems programming Experience with Linux system programming, including threading models, IPC, real-time process management, and low-level kernel interfaces Comfort across the full software development lifecycle, from design through deployment Additional Requirements Ability to work extended hours and weekends as necessary. Equal Opportunity Employer General Matter is an Equal Opportunity Employer; employment with General Matter is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status. Compensation and Benefits The base salary range for this role is $100,000-$200,000 annually. Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. Please note that the stated salary range is an estimate and may be adjusted based on market conditions, business needs, or other factors. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan.

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