Senior Backend Engineer - 3D & AI Systems

5+ years of experience in backend development Solid grasp of 3D math with practical experience in graphics engines, CAD kernels (HOOPS, OpenCascade, Parasolid), Robotics, 3D simulations Hands-on experience designing, developing, and maintaining robust, scalable backend systems and APIs Experience working with multiple data storage paradigms (SQL, NoSQL, and vector databases) Experience with ML/AI/LLM concepts and productionalization Familiarity with 3D model ML pipelines (e.g., feature extraction, embedding generation, model training, or inference) Familiarity with agentic workflows (e.g., pydantic-ai) Experience integrating and prompting large language models (LLMs) via APIs Knowledge of ML frameworks such as PyTorch, Hugging Face, or Scikit-learn Experience deploying ML services in cloud infrastructure Comfortable working with ambiguous or loosely scoped technical challenges Excellent communicator Experience with CAD modeling software like SolidWorks, Creo, or OnShape is a strong plus Experience with mechanical engineering concepts is a strong plus

Become a key contributor in the backend development for 3D AutoReview features Experiment with geometry parsing, quality detection, and context generation for 3D model review Partner with backend, frontend, and product teams to drive the delivery of high-impact features Collaborate with ML teams to incorporate intelligence into the 3D review process Develop extensible systems for custom rule creation and reference data Help set and maintain high technical standards across the team