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I'm a senior software engineer with 14+ years of experience designing and building distributed AI systems across healthcare and financial domains. I design cloud-native architectures on OCI and AWS, build event-driven microservices, and model semantic data for large-scale enterprise platforms. I thrive on turning complex problems into scalable, production-grade services, collaborating with cross-functional teams, and delivering AI-enabled features that improve search, retrieval, and decision-making.…I'm a senior software engineer with 14+ years of experience designing and building distributed AI systems across healthcare and financial domains. I design cloud-native architectures on OCI and AWS, build event-driven microservices, and model semantic data for large-scale enterprise platforms. I thrive on turning complex problems into scalable, production-grade services, collaborating with cross-functional teams, and delivering AI-enabled features that improve search, retrieval, and decision-making.

NIKHIL KAJA

Full Stack Developer, Back-End Developer, Web Developer, +2

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I'm a senior software engineer with 14+ years of experience designing and building distributed AI systems across healthcare and financial domains. I design cloud-native architectures on OCI and AWS, build event-driven microservices, and model semantic data for large-scale enterprise platforms. I thrive on turning complex problems into scalable, production-grade services, collaborating with cross-functional teams, and delivering AI-enabled features that improve search, retrieval, and decision-making.…I'm a senior software engineer with 14+ years of experience designing and building distributed AI systems across healthcare and financial domains. I design cloud-native architectures on OCI and AWS, build event-driven microservices, and model semantic data for large-scale enterprise platforms. I thrive on turning complex problems into scalable, production-grade services, collaborating with cross-functional teams, and delivering AI-enabled features that improve search, retrieval, and decision-making.

Available to hire

I’m a senior software engineer with 14+ years of experience designing and building distributed AI systems across healthcare and financial domains. I design cloud-native architectures on OCI and AWS, build event-driven microservices, and model semantic data for large-scale enterprise platforms.

I thrive on turning complex problems into scalable, production-grade services, collaborating with cross-functional teams, and delivering AI-enabled features that improve search, retrieval, and decision-making.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Java Developer at Synacor (Services Department), Buffalo

August 1, 2012 - December 1, 2012

Involved in analysis, design and development of e-bill payment and account transfer systems; built the business tier using Core Java and HTTP interfaces with Servlets; developed UIs to display and edit configuration data stored in databases using Struts and JQuery; implemented MVC with Struts framework; created validation classes; developed stateless and stateful session beans and CMP entity beans with EJB standards; used Oracle as the relational database and drafted ER diagrams.

Software Developer at Fidelity Investments (Web Technologies), Dallas

January 1, 2013 - December 1, 2014

Developed AFC (website) as a financial advisory application; built Spring MVC-based applications; implemented RESTful services and Hibernate-based persistence; contributed to Agile-driven releases and CI/CD workflows.

Java Full Stack Lead / Senior Engineer at CITI DIGITAL / CITI FINTECH

January 1, 2014 - May 1, 2024

Led backend architecture for an enterprise-scale conversational AI platform across digital banking channels; designed NLP-driven intent processing and conversational orchestration; built microservices for conversational state management, intent routing, and integrations with transaction systems and knowledge bases; implemented asynchronous ML workflows using Kafka; designed scalable inference APIs deployed on AWS EKS; collaborated with frontend teams to enable cross-platform AI-driven experiences; contributed to scalability improvements for millions of digital banking interactions.

Senior Software Engineer (IC3) at Oracle Corporation

June 1, 2024 - Present

Architected an AI-driven semantic retrieval platform enabling contextual search across large-scale Patient Health Records; designed vector-based indexing pipelines using OpenSearch to support semantic search across structured and unstructured clinical datasets; supported integration readiness for Retrieval-Augmented Generation (RAG) workflows; built real-time ingestion and normalization workflows to preprocess healthcare domain objects for intelligent retrieval systems; engineered embedding-ready data models for LLM-compatible contextual search; developed scalable AI microservices deployed on OCI Kubernetes (OKE); implemented event-driven indexing to ensure near real-time synchronization of healthcare records; collaborated with infrastructure teams to provision AI-enabled environments using Terraform across OCI; contributed to architectural design for scalable, production-grade AI systems supporting enterprise healthcare applications.