Senior to Staff C++ EngineersQuilter 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.You may contribute to one of several specialized teams:Core Router Team: Build the algorithms and data structures that fundamentally define how circuit boards are routed, creating scalable, physics-aware routing engines.Homotopy Team: Refine raw routing outputs into high-quality, manufacturable layouts using geometric transformations that enforce real-world PCB design rules.Router Agent Team: Develop the infrastructure, parallelization, and APIs that power reinforcement learning agents and routing algorithms at massive compute scale.Physics Team: Implement geometry checks and physics simulations—electromagnetic, thermal, and manufacturing—to validate routed boards for real-world performance.What You'll DoArchitect and implement high-performance C++ libraries, algorithms, and systems for routing, optimization, and simulation.Design scalable data structures and computational methods to handle complex PCB design challenges.Strong collaboration skills and the ability to work with domain experts across different disciplines.Provide mentorship, technical reviews, and guidance to elevate the team's engineering practices.What We're Looking For3-10+ years of industry experience maintaining and extending large, high-performance C++ codebases in collaborative environments.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.Proficiency in Python for prototyping and integration with ML systems.Experience architecting and scaling large, collaborative C++ codebases.Strong mathematical and algorithmic intuition, with ability to translate theory into production systems.Leadership skills in mentoring, reviewing, and guiding engineering direction.A passion for pushing the boundaries of what's possible in automated circuit design.Nice to Have (General)Advanced degree (M.Sc.
or Ph.D.) in computer science, computational physics, robotics, or related fields.Experience with reinforcement learning, CAD/EDA tools, or physics-based optimization.Exposure to GPU programming (CUDA), parallel/distributed algorithms, or HPC frameworks.Contributions to open-source geometry, simulation, or HPC projects.Nice to Have (Per Team)Core Router Team: Expertise in graph theory, computational geometry, operations research, optimization, numerical analysis, or simulation.Homotopy Team: Background in geometric constraints, optimization methods, or mesh refinement.Router Agent Team: Expertise with parallel programming, distributed systems, HPC frameworks, or API design.Physics Team: Knowledge of simulations, physics engines, finite element methods (FEM), high-performance compute, or distributed compute.Please note: 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.What We OfferInteresting and challenging workCompetitive salary and equity benefitsHealth, dental, and vision insuranceRegular team events and offsites (~4x / year)Unlimited paid time offPaid parental leaveWant to learn more about Quilter, our vision, and our investors? Visit our About page and visit our Blog.