Senior/Staff Software Engineer (C++)

<h3>About Quilter</h3> </p> <p>At Quilter, we are helping electrical engineers save time and accomplish more by automating the tedious and time-consuming task of designing printed circuit boards (PCBs). Our small team is composed of experts in electrical engineering, electromagnetic simulation, ML/AI, and high-performance computing (HPC). We are inventing and leveraging novel techniques to solve the decades-old problem of automating circuit board design where today hundreds of billions of dollars are spent. We have raised $25 million in Series B funding from some of the very best and are charging full-speed toward our goal.</p> <p>No matter where we come from, we're united by a common vision for the future and a core set of values we think will get us there:</p> <ol> <li> <p>Focus on the mission</p> </li> <li> <p>Build great things that help humans</p> </li> <li> <p>Demonstrate grit</p> </li> <li> <p>Never stop learning</p> </li> <li> <p>Pursue excellence</p> </li> </ol> <p>Quilter is seeking Senior to Staff C++ Engineers to join our engineering teams developing the next generation of automated PCB design. You’ll design high-performance C++ algorithms, data structures, and systems that tackle some of the hardest challenges in computational geometry, optimization, high-performance computing, and physics simulation. As a senior engineer, you’ll shape the technical roadmap, mentor peers, and help build the foundation for superhuman PCB design.</p> <p>You may contribute to one of several specialized teams:</p> <ul> <li> <p><strong>Core Router Team:</strong> Build the algorithms and data structures that fundamentally define how circuit boards are routed, creating scalable, physics-aware routing engines.</p> </li> <li> <p><strong>Homotopy Team:</strong> Refine raw routing outputs into high-quality, manufacturable layouts using geometric transformations that enforce real-world PCB design rules.</p> </li> <li> <p><strong>Router Agent Team:</strong> Develop the infrastructure, parallelization, and APIs that power reinforcement learning agents and routing algorithms at massive compute scale.</p> </li> <li> <p><strong>Physics Team:</strong> Implement geometry checks and physics simulations—electromagnetic, thermal, and manufacturing—to validate routed boards for real-world performance.</p> </li> </ul> <h3><strong>What You’ll Do</strong></h3> <ul> <li> <p>Architect and implement high-performance C++ libraries, algorithms, and systems for routing, optimization, and simulation.</p> </li> <li> <p>Design scalable data structures and computational methods to handle complex PCB design challenges.</p> </li> <li> <p>Strong collaboration skills and the ability to work with domain experts across different disciplines.</p> </li> <li> <p>Provide mentorship, technical reviews, and guidance to elevate the team’s engineering practices.</p> </li> </ul> <h3><strong>What We’re Looking For</strong></h3> <ul> <li> <p>3-10+ years of industry experience maintaining and extending large, high-performance C++ codebases in collaborative environments.</p> </li> <li> <p>A strong academic background with deep expertise in one or more of the following areas: computational geometry, graph algorithms, optimization, high-performance computing (HPC), meshing, numerical methods, physics simulations, or related fields.</p> </li> <li> <p>Proficiency in Python for prototyping and integration with ML systems.</p> </li> <li> <p>Experience architecting and scaling large, collaborative C++ codebases.</p> </li> <li> <p>Strong mathematical and algorithmic intuition, with ability to translate theory into production systems.</p> </li> <li> <p>Leadership skills in mentoring, reviewing, and guiding engineering direction.</p> </li> <li> <p>A passion for pushing the boundaries of what's possible in automated circuit design.</p> </li> </ul> <h3><strong>Nice to Have (General)</strong></h3> <ul> <li> <p>Advanced degree (M.Sc. or Ph.D.) in computer science, computational physics, robotics, or related fields.</p> </li> <li> <p>Experience with reinforcement learning, CAD/EDA tools, or physics-based optimization.</p> </li> <li> <p>Exposure to GPU programming (CUDA), parallel/distributed algorithms, or HPC frameworks.</p> </li> <li> <p>Contributions to open-source geometry, simulation, or HPC projects.</p> </li> </ul> <h3><strong>Nice to Have (Per Team)</strong></h3> <ul> <li> <p><strong>Core Router Team:</strong> Expertise in graph theory, computational geometry, operations research, optimization, numerical analysis, or simulation.</p> </li> <li> <p><strong>Homotopy Team:</strong> Background in geometric constraints, optimization methods, or mesh refinement.</p> </li> <li> <p><strong>Router Agent Team:</strong> Expertise with parallel programming, distributed systems, HPC frameworks, or API design.</p> </li> <li> <p><strong>Physics Team:</strong> Knowledge of simulations, physics engines, finite element methods (FEM), high-performance compute, or distributed compute.</p> </li> </ul> <p><strong>Please note</strong>: We are an equal opportunity employer. At this time, we are focused on hiring primarily within the US, with occasional exception to accommodate exceptional talent.</p> </p> <h3>What we offer:</h3> <ul> <li> <p>Interesting and challenging work</p> </li> <li> <p>Competitive salary and equity benefits</p> </li> <li> <p>Health, dental, and vision insurance</p> </li> <li> <p>Regular team events and offsites (~4x / year)</p> </li> <li> <p>Unlimited paid time off</p> </li> <li> <p>Paid parental leave </p> </li> </ul> <p>Want to learn more about Quilter, our vision, and our investors? Visit our <a href="http://quilter.ai/about" rel="nofollow ugc noopener" target="_blank">About</a> page and visit our <a href="https://quilter.ai/blog" rel="nofollow ugc noopener" target="_blank">Blog</a>.</p>