Software Engineer, Finite Element Analysis & Structural Optimization at Infinitform

Full-time | Hybrid (LA / Orange County) or Remote ABOUT INFINITFORM InfinitForm is building the Physical AI platform for engineering teams. We help manufacturers generate production-ready designs dramatically faster by bringing simulation, optimization, manufacturability constraints, and editable parametric CAD into one workflow. Today, engineering teams often spend months moving from concept to validated, manufacturable design. InfinitForm compresses that cycle from months to days — helping teams explore more design options, reduce late-stage rework, and bring better physical products to production faster. Our platform is designed for aerospace, automotive, defense, robotics, and advanced manufacturing companies operating at the frontier of physical product development. Backed by leading investors and built by pioneers in computational geometry, simulation, and advanced manufacturing, InfinitForm is defining a new category at the intersection of AI and engineering. THE ROLE We’re looking for a skilled and driven Finite Element Analysis & Structural Optimization Engineer to join our core engineering team. The seniority level for this role is flexible. You’ll work at the intersection of computational mechanics, simulation, optimization, and AI-native engineering workflows — helping build the core simulation and optimization infrastructure behind InfinitForm’s platform. This is a deeply technical, hands-on role focused on building high-performance systems for structural simulation and generative engineering. Your work will directly shape the algorithms and solvers powering a new generation of engineering software for the physical world. You’ll collaborate closely with researchers, computational engineers, geometry engineers, and product teams working on complex real-world problems across aerospace, automotive, defense, robotics, and industrial manufacturing. WHAT YOU'LL DO SIMULATION & SOLVER DEVELOPMENT - Design, implement, and optimize finite element analysis (FEA) solvers and structural simulation pipelines - Develop high-performance simulation infrastructure for large-scale engineering optimization workflows - Improve solver stability, accuracy, scalability, and runtime performance - Build production-quality numerical software in C++ for scientific and engineering computation - Contribute to GPU-accelerated simulation and optimization systems STRUCTURAL OPTIMIZATION & RESEARCH - Develop structural optimization algorithms including topology, shape, and sizing optimization - Work on sensitivity analysis, constraint handling, and optimization methodologies - Explore new approaches to simulation-aware and manufacturability-aware optimization - Contribute to research-oriented problem solving across engineering and computational geometry domains - Help bridge optimization outputs into production-ready CAD workflows TECHNICAL COLLABORATION - Collaborate closely with Product, Research, and Application Engineering teams - Participate in technical architecture discussions, code reviews, and solver design decisions - Document technical findings and communicate complex ideas clearly across the team - Help shape the technical direction of InfinitForm’s core engineering platform WHAT SUCCESS LOOKS LIKE - Meaningful improvements in optimization quality, manufacturability, and runtime performance - Technical contributions that directly improve customer outcomes and platform capability - Strong collaboration between simulation, geometry, and product engineering teams WHAT YOU'LL BRING - MS or PhD in Mechanical Engineering, Aerospace Engineering, Applied Mathematics, Physics, Computational Mechanics, Computer Science, or a related technical field, with a focus on FEA, structural optimization, numerical methods, simulation, or scientific computing - Strong foundation in finite element analysis, solid mechanics, and numerical methods - Deep understanding of structural optimization techniques including topology optimization and sensitivity analysis - Strong C++ experience for scientific, numerical, or high-performance computing applications - Strong mathematical and problem-solving skills - Ability to work independently on complex technical systems - Collaborative mindset and ability to communicate technical ideas clearly - Curiosity and excitement for solving difficult engineering and computational problems NICE TO HAVE - Experience with GPU computing (CUDA, OpenCL, or similar) - Familiarity with parallel computing or HPC environments - Background in computational geometry, CAD/CAE systems, or generative design - Experience with large-scale numerical optimization systems - Published research or advanced academic background in computational mechanics, simulation, or optimization - Experience working on production engineering software platforms WHY INFINITFORM - Work on foundational technology shaping the future of engineering and manufacturing - Solve genuinely difficult computational and optimization problems with real-world impact - Work alongside a highly technical team including multiple PhDs across computational geometry, simulation, optimization, AI/ML, and advanced manufacturing - Help define a new category at the intersection of AI and engineering - Competitive compensation and meaningful equity