Hassaan A C.

I’m a Top Rated Plus engineer with over 4,000 hours on Upwork who works where rigorous engineering meets responsible AI. For several years I’ve delivered FEA, CFD, and multiphysics simulations for demanding technical problems. For the past two years I’ve applied the same standards to designing, testing, and deploying AI systems, with a focus on ethics, safety, and reliability. Why the combination matters In engineering, an unverified result is a liability. Simulation taught me to question assumptions, validate against reality, and state the limits of a model plainly. I bring that discipline to AI: prompts and workflows that are tested, documented, and honest about what they can and can’t do. If you need AI that holds up in technical, safety-sensitive, or regulated work, that mindset is the point. AI ethics and responsible prompt engineering Prompt and system-prompt design that reduces hallucination, bias, and misleading output Red-teaming and failure-mode analysis before you deploy Guardrails, acceptable-use policies, and human-in-the-loop checkpoints Agentic AI workflows for engineering tasks, built with logging, constraints, and oversight Review of AI use for fairness, transparency, privacy, and professional responsibility Mechanical engineering and simulation FEA, CFD, and multiphysics modeling (structural, thermal, fluid, electromagnetic, chemical) using tools: COMSOL Multiphysics, ANSYS, Siemens Simcenter STAR-CCM+, and MATLAB Mechanical design and DFM in SOLIDWORKS, from concept to production, with attention to CNC machining, injection molding, and cost Automated workflows, such as MATLAB–COMSOL LiveLink for sensitivity analysis, that cut design uncertainty and speed up development How I work Define the problem, the stakes, and what failure looks like Build with clear assumptions and documented limits Test against realistic and adversarial scenarios Report findings in plain language, including uncertainty Hand off something your team can maintain Whether you need a simulation you can trust, an AI workflow with proper guardrails, or both in one project, message me with your use case and I’ll give you an honest assessment of how I can help.