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I am a Senior Java Full Stack Engineer with 12+ years of experience designing, architecting, and delivering enterprise-scale, high-performance applications using Java, Spring Boot, Microservices, REST APIs, Kafka, MongoDB, and cloud-native platforms such as OpenShift, AWS, and Azure. I have also worked as a MarkLogic Developer, building dataHub-based solutions, REST services, and scalable data ingestion workflows. My background includes payments modernization, real-time and batch transaction processing, and designing low-latency, high-throughput systems in strictly regulated banking and financial services environments. I am comfortable spanning backend, middleware, and frontend technologies and have led teams in building Kafka-based messaging systems and distributed microservices in containerized environments.\n\nI enjoy collaborating with product and operations teams to drive secure, scalable, and observable systems. I’m proficient with Agile/Scrum practices, DevOps pipelines, and cloud-native deployments, and I continuously invest in mentoring engineers, improving code quality, and delivering measurable business impact through robust architecture and modern development practices.…I am a Senior Java Full Stack Engineer with 12+ years of experience designing, architecting, and delivering enterprise-scale, high-performance applications using Java, Spring Boot, Microservices, REST APIs, Kafka, MongoDB, and cloud-native platforms such as OpenShift, AWS, and Azure. I have also worked as a MarkLogic Developer, building dataHub-based solutions, REST services, and scalable data ingestion workflows. My background includes payments modernization, real-time and batch transaction processing, and designing low-latency, high-throughput systems in strictly regulated banking and financial services environments. I am comfortable spanning backend, middleware, and frontend technologies and have led teams in building Kafka-based messaging systems and distributed microservices in containerized environments.\n\nI enjoy collaborating with product and operations teams to drive secure, scalable, and observable systems. I’m proficient with Agile/Scrum practices, DevOps pipelines, and cloud-native deployments, and I continuously invest in mentoring engineers, improving code quality, and delivering measurable business impact through robust architecture and modern development practices.

Sai Siddhardha Narisetty

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

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I am a Senior Java Full Stack Engineer with 12+ years of experience designing, architecting, and delivering enterprise-scale, high-performance applications using Java, Spring Boot, Microservices, REST APIs, Kafka, MongoDB, and cloud-native platforms such as OpenShift, AWS, and Azure. I have also worked as a MarkLogic Developer, building dataHub-based solutions, REST services, and scalable data ingestion workflows. My background includes payments modernization, real-time and batch transaction processing, and designing low-latency, high-throughput systems in strictly regulated banking and financial services environments. I am comfortable spanning backend, middleware, and frontend technologies and have led teams in building Kafka-based messaging systems and distributed microservices in containerized environments.\n\nI enjoy collaborating with product and operations teams to drive secure, scalable, and observable systems. I’m proficient with Agile/Scrum practices, DevOps pipelines, and cloud-native deployments, and I continuously invest in mentoring engineers, improving code quality, and delivering measurable business impact through robust architecture and modern development practices.…I am a Senior Java Full Stack Engineer with 12+ years of experience designing, architecting, and delivering enterprise-scale, high-performance applications using Java, Spring Boot, Microservices, REST APIs, Kafka, MongoDB, and cloud-native platforms such as OpenShift, AWS, and Azure. I have also worked as a MarkLogic Developer, building dataHub-based solutions, REST services, and scalable data ingestion workflows. My background includes payments modernization, real-time and batch transaction processing, and designing low-latency, high-throughput systems in strictly regulated banking and financial services environments. I am comfortable spanning backend, middleware, and frontend technologies and have led teams in building Kafka-based messaging systems and distributed microservices in containerized environments.\n\nI enjoy collaborating with product and operations teams to drive secure, scalable, and observable systems. I’m proficient with Agile/Scrum practices, DevOps pipelines, and cloud-native deployments, and I continuously invest in mentoring engineers, improving code quality, and delivering measurable business impact through robust architecture and modern development practices.

Available to hire

I am a Senior Java Full Stack Engineer with 12+ years of experience designing, architecting, and delivering enterprise-scale, high-performance applications using Java, Spring Boot, Microservices, REST APIs, Kafka, MongoDB, and cloud-native platforms such as OpenShift, AWS, and Azure. I have also worked as a MarkLogic Developer, building dataHub-based solutions, REST services, and scalable data ingestion workflows. My background includes payments modernization, real-time and batch transaction processing, and designing low-latency, high-throughput systems in strictly regulated banking and financial services environments. I am comfortable spanning backend, middleware, and frontend technologies and have led teams in building Kafka-based messaging systems and distributed microservices in containerized environments.\n\nI enjoy collaborating with product and operations teams to drive secure, scalable, and observable systems. I’m proficient with Agile/Scrum practices, DevOps pipelines, and cloud-native deployments, and I continuously invest in mentoring engineers, improving code quality, and delivering measurable business impact through robust architecture and modern development practices.

Skills

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Expert

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Intermediate

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English

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Work Experience

Senior Java Full Stack Engineer at Connecture/DRX

July 1, 2023 - Present

Led modernization of health insurance enrollment and member services platforms by migrating backend services to a microservices architecture using Java 17, Kotlin, Spring Boot; refactored legacy monoliths for scalability, fault isolation, and high availability; designed secure, cloud-native applications using Spring Boot, Quarkus, AWS, GCP, and Angular; implemented OAuth 2.0/OIDC/JWT with Okta; exposed REST/GraphQL APIs, documented with Swagger/OpenAPI; built Kafka/JMS/IBM MQ-based event-driven pipelines for real-time data processing; delivered SPA front-ends with Angular 17+; emphasized secure coding, DevSecOps, CI/CD, and observability with Log4j, CloudWatch, Prometheus, Grafana; mentored teams and enforced best practices in microservices and secure development; containerized workloads with Docker/Kubernetes/OpenShift; deployed on AWS OpenShift; automated pipelines with Jenkins and CodePipeline.

Senior Java Full Stack Engineer at Sundae

March 1, 2021 - June 1, 2023

Designed Real Estate Order Management System (OMS) using Spring Boot microservices; integrated with MLS, payment gateways, and mortgage APIs via REST/SOAP/Kafka/RabbitMQ; implemented idempotent processing, retry logic, and message sequencing for data consistency; introduced Kotlin in Spring Boot services; modernized legacy SOAP/XML services; documented APIs with Swagger/OpenAPI and GraphQL; built Angular front-end dashboards with real-time data; migrated workloads to AWS Lambda/API Gateway and AWS Fargate; established CI/CD with Bitbucket, AWS CodePipeline/CodeBuild, and Cloud observability with CloudWatch; developed multi-region deployments and Redis caching for performance; mentored engineers and applied Domain-Driven Design.

Full Stack Java Developer at Valley National Bank

January 1, 2018 - February 1, 2021

Collaborated with BAs and clients to design banking workflows including funds transfers, transactions, and real-time operations; built MERN/Java-based backend for internal dashboards and reporting; implemented JWT-based authentication and authorization; utilized Kafka for event streaming and real-time processing; developed React/Angular front-ends consuming REST/SOAP APIs; deployed on AWS/PCF with Docker/Kubernetes; contributed to SDLC improvements and on-call production support.

Java Developer at Aetna Life Insurance

February 1, 2014 - December 1, 2017

Participated in full SDLC for insurance domain applications (policy administration, claims processing, underwriting); implemented asynchronous messaging with JMS/IBM MQ; modeled data in MongoDB; used JTA/JPA for distributed transactions; frontend with JSP/Struts; built SOAP/REST services and XML/XSD data exchanges; containerized deployments with Docker/Kubernetes; implemented logging and monitoring; supported regulatory compliance and security practices.

Senior Java Full Stack Engineer at ConnectureDRX

July 1, 2023 - Present

Led modernization of health insurance enrollment and member services platforms by migrating backend services to Java 17, Kotlin, Spring Boot, and a microservices architecture. Refactored legacy monoliths to scalable services, implemented OAuth 2.0/OIDC/JWT with Okta, and designed secure, cloud-native applications in hybrid environments. Built versioned RESTful, SOAP, and GraphQL APIs, and exposed them via API Gateway with caching and throttling. Implemented event-driven pipelines using Apache Kafka, JMS, and IBM MQ for real-time processing. Developed SPA frontends with Angular 17+, implemented NgRx state management, and optimized database interactions with PostgreSQL, Aurora, MongoDB, and Cassandra. Containerized services with Docker and Kubernetes/OpenShift; automated deployments with Jenkins, Terraform, and AWS CodePipeline. Led testing, observability (ELK, CloudWatch), and security initiatives while mentoring engineers.