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Senior Software Engineer and AI/ML professional with 10+ years of experience building scalable backend, cloud, data, and AI-powered systems. Strong expertise in Python, AWS, Azure, Kubernetes, Databricks, SQL, distributed systems, and LLM/RAG solutions. Experienced in leading complex technical projects, solving production challenges, and delivering secure, reliable solutions across healthcare, insurance, fintech, and eCommerce.…Senior Software Engineer and AI/ML professional with 10+ years of experience building scalable backend, cloud, data, and AI-powered systems. Strong expertise in Python, AWS, Azure, Kubernetes, Databricks, SQL, distributed systems, and LLM/RAG solutions. Experienced in leading complex technical projects, solving production challenges, and delivering secure, reliable solutions across healthcare, insurance, fintech, and eCommerce.

Kenny Hernandez-Paiz

AI Engineer, Software Engineer, Data Engineer

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Senior Software Engineer and AI/ML professional with 10+ years of experience building scalable backend, cloud, data, and AI-powered systems. Strong expertise in Python, AWS, Azure, Kubernetes, Databricks, SQL, distributed systems, and LLM/RAG solutions. Experienced in leading complex technical projects, solving production challenges, and delivering secure, reliable solutions across healthcare, insurance, fintech, and eCommerce.…Senior Software Engineer and AI/ML professional with 10+ years of experience building scalable backend, cloud, data, and AI-powered systems. Strong expertise in Python, AWS, Azure, Kubernetes, Databricks, SQL, distributed systems, and LLM/RAG solutions. Experienced in leading complex technical projects, solving production challenges, and delivering secure, reliable solutions across healthcare, insurance, fintech, and eCommerce.

Available to hire

Senior Software Engineer and AI/ML professional with 10+ years of experience building scalable backend, cloud, data, and AI-powered systems. Strong expertise in Python, AWS, Azure, Kubernetes, Databricks, SQL, distributed systems, and LLM/RAG solutions. Experienced in leading complex technical projects, solving production challenges, and delivering secure, reliable solutions across healthcare, insurance, fintech, and eCommerce.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior Software Engineer /AI ML Engineer at LTTS

February 1, 2020 - Present

Led the design and production delivery of AI-enabled healthcare and insurance SaaS platforms, transforming legacy workflows into scalable cloud-native systems. Built AI/ML services for claims intake, claims status prediction, member eligibility workflows, provider data validation, document understanding, operational reporting, workflow automation, and customer service support. Developed RAG and LLM-powered pipelines using OpenAI/Claude/Azure OpenAI/AWS Bedrock with LangChain/LangGraph and LlamaIndex, including secure retrieval layers with metadata awareness and role-based access controls. Implemented AI evaluation frameworks (offline datasets, retrieval quality scoring, hallucination review, validation, latency and cost monitoring) and production ML workflows using MLflow and cloud MLOps concepts (versioning, retraining strategies, batch/real-time inference). Architected scalable backend services and AI-enabled APIs using Python/FastAPI and event-driven patterns with Kafka/RabbitMQ/Azu

Software Engineer /Machine Learning Platform Engineer at Integer Holdings Corporation

November 1, 2017 - December 31, 2019

Developed financial technology applications for payment processing and operational finance workflows, including transaction tracking, reconciliation, refund workflows, and transaction monitoring. Built data-driven backend services supporting transaction status classification, payment failure handling, reconciliation analysis, fraud-aware validation patterns, and operational dashboards. Designed SQL Server datasets (tables, stored procedures, indexes, reporting views) and created model-ready datasets from payment events and gateway responses. Built secure, retry-safe APIs and service workflows for authorization, capture, refunds/voids, settlement, and webhook callbacks with idempotent processing to reduce duplicate transaction risk. Applied PCI-DSS-aware security patterns (tokenization concepts, PAN masking, encryption, restricted access, audit logging) and improved reliability and performance through SQL tuning and idempotent design. Supported production support, releases, and testing

Full Stack Developer /Data & Automation Engineer at BTI Solutions

November 1, 2014 - October 31, 2017

Developed and maintained POS and eCommerce applications supporting catalog, SKU search, cart/checkout workflows, order history, customer profiles, inventory management, admin dashboards, and reporting. Built data-driven workflows for promotions/discount logic, tax calculation, order status tracking, receipts, refunds/exchanges, and inventory synchronization. Designed SQL Server schemas (tables/views/indexes/stored procedures) and optimized T-SQL queries for commerce reporting and operational dashboards. Integrated REST APIs and payment gateways with secure communication patterns and reliable callback handling. Modernized legacy PHP modules, improved checkout security with tokenized payment references and access controls, and tuned performance for high-traffic workflows. Participated in full SDLC including testing, deployments, defect resolution, production maintenance, documentation, and client communication.