Harika N
MLEngineer @Simmons Bank | 3+ Years Experience in AI, NLP & Generative AI | LLMs, RAG, Transformers | PyTorch, TensorFlow, Spark, Kafka, Azure ML | MLOps & Cloud (AWS/Azure)
- Role
- Machine Learning Engineer at Simmons Bank
- Location
- Boston, MA, US
- LinkedIn followers
- 500 followers
About Harika N
AI/ML Engineer specializing in Generative AI and Agentic AI systems, with experience…
Experience
Machine Learning Engineer
Jan 2025 — Present · Boston, MA, US
Built scalable, real-time fraud detection pipelines using Apache Spark, PyTorch, and Kafka, reducing detection latency by 60% and improving precision/recall by 25% across millions of transactions.• Designed and deployed production-grade ML models via Azure ML, MLflow, Docker, and Kubernetes, automating CI/CD workflows and cutting deployment cycles by 40% with 99% uptime.• Developed deep learning and NLP-based anomaly detection systems (TensorFlow, BERT, Transformers) that increased fraud detection accuracy by 30% and lowered false negatives by 22%.• Optimized predictive model performance using LightGBM with Bayesian Optimization and SHAP/LIME for interpretability, enhancing transparency and improving accuracy by 15%.• Integrated Generative AI and LLM-powered RAG pipelines into fraud analytics, delivering contextual transaction insights that reduced false positives by 18% and improved coverage by 25%.
Education
UMass Boston
Master of Science - MS, Computer Science
Bharath Institute of Higher Education and Research
Bachelor of Technology - BTech, Computer Science
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