About Jimmy
English
Native or bilingual
Experience
- AmazonSenior AI/ML EngineerMarch 2020 - December 2025 (5 years and 9 months)Houston, TX, USA• • Reviewed and audited complex simulation and training datasets, identifying logical inconsistencies, broken identity flows, invalid JSON structures, and non-executable task definitions before production training.• • Evaluated and compared model outputs across multiple programming ecosystems (Python, C++, C#, Java, Go, Rust, TypeScript, JavaScript), analyzing correctness, efficiency, and reasoning robustness across different task dimensions.• • Delivered large-scale RAG systems over ~1M+ documents using FAISS, semantic chunking, and hybrid retrieval strategies, combined with LangChain-based multi-step agents and tool-calling orchestration.• • Designed and implemented an algorithmic learning model to improve speech by implementing speech synthesis and noise removal.• • Designed original computer science and machine learning evaluation problems spanning algorithms, distributed systems, databases, networks, probability theory, and theoretical computer science.• • Built mathematically rigorous problem sets in statistics and number theory that resist trivial solutions via NumPy/SciPy, and verified correctness through full programmatic validation.
- BMC SoftwareAI EngineerFebruary 2014 - December 2019 (5 years and 10 months)Houston, TX, USA• • Applied strong mathematical reasoning (linear algebra, probability theory, statistics, graph theory, and combinatorics) to create evaluation tasks that test deep understanding rather than surface-level pattern matching.• • Designed grading rubrics that evaluate not only final answers but also reasoning validity, constraint handling, and hidden assumption detection in AI-generated solutions.• • Maintained distributed ETL/ELT pipelines and integrated LLM-based evaluation components for continuous scoring, monitoring, and dataset enrichment in production workflows.• • Developed and deployed AI systems on AWS and Azure using Azure ML Studio, Databricks, Docker, and serverless architectures, ensuring scalable and reliable inference pipelines.• • Integrated AI capabilities into full-stack systems using Python, React, Node.js, and Django, enabling intelligent automation features across enterprise web and mobile platforms.• •Developed a company employee management and security program by constructing an image processing corpus and realizing modeling.
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Education
- Master's Degree ofUniversity of Houston2010Master's Degree of
- Bachelor's DegreeAngelo State University2006Bachelor's Degree