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I am a Senior Java Full Stack Developer with over 8 years of experience designing, developing, testing, and deploying web-based applications. My expertise spans various Java technologies including Core Java, J2EE, Spring Framework, and microservices architectures, combined with proficiency in MEAN stack technologies and cloud platforms such as AWS and GCP. I enjoy building dynamic, scalable, and efficient solutions while actively participating in agile environments. Throughout my career, I've worked on a broad range of projects including financial systems, content distribution sites, and real-time data streaming applications. I am passionate about adopting new technologies like Kotlin, Micronaut, ReactJS, and cloud-native services to continuously improve the quality and performance of software solutions I contribute to.…I am a Senior Java Full Stack Developer with over 8 years of experience designing, developing, testing, and deploying web-based applications. My expertise spans various Java technologies including Core Java, J2EE, Spring Framework, and microservices architectures, combined with proficiency in MEAN stack technologies and cloud platforms such as AWS and GCP. I enjoy building dynamic, scalable, and efficient solutions while actively participating in agile environments. Throughout my career, I've worked on a broad range of projects including financial systems, content distribution sites, and real-time data streaming applications. I am passionate about adopting new technologies like Kotlin, Micronaut, ReactJS, and cloud-native services to continuously improve the quality and performance of software solutions I contribute to.

Harsha Sai

Full Stack Developer, Developer, Web Developer, +4

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I am a Senior Java Full Stack Developer with over 8 years of experience designing, developing, testing, and deploying web-based applications. My expertise spans various Java technologies including Core Java, J2EE, Spring Framework, and microservices architectures, combined with proficiency in MEAN stack technologies and cloud platforms such as AWS and GCP. I enjoy building dynamic, scalable, and efficient solutions while actively participating in agile environments. Throughout my career, I've worked on a broad range of projects including financial systems, content distribution sites, and real-time data streaming applications. I am passionate about adopting new technologies like Kotlin, Micronaut, ReactJS, and cloud-native services to continuously improve the quality and performance of software solutions I contribute to.…I am a Senior Java Full Stack Developer with over 8 years of experience designing, developing, testing, and deploying web-based applications. My expertise spans various Java technologies including Core Java, J2EE, Spring Framework, and microservices architectures, combined with proficiency in MEAN stack technologies and cloud platforms such as AWS and GCP. I enjoy building dynamic, scalable, and efficient solutions while actively participating in agile environments. Throughout my career, I've worked on a broad range of projects including financial systems, content distribution sites, and real-time data streaming applications. I am passionate about adopting new technologies like Kotlin, Micronaut, ReactJS, and cloud-native services to continuously improve the quality and performance of software solutions I contribute to.

Available to hire

I am a Senior Java Full Stack Developer with over 8 years of experience designing, developing, testing, and deploying web-based applications. My expertise spans various Java technologies including Core Java, J2EE, Spring Framework, and microservices architectures, combined with proficiency in MEAN stack technologies and cloud platforms such as AWS and GCP. I enjoy building dynamic, scalable, and efficient solutions while actively participating in agile environments.

Throughout my career, I’ve worked on a broad range of projects including financial systems, content distribution sites, and real-time data streaming applications. I am passionate about adopting new technologies like Kotlin, Micronaut, ReactJS, and cloud-native services to continuously improve the quality and performance of software solutions I contribute to.

Skills

Experience Level

Expert

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Intermediate

Intermediate

Work Experience

Sr. Java Full Stack Developer at Arvest Bank

April 1, 2023 - Present

Led server-side and full-stack development using Java, Spring Boot, ReactJS, Node.js, and Angular to build scalable and responsive applications. Leveraged cloud platforms including AWS and GCP for deployment, monitoring, and optimization using services like Lambda, EC2, CloudFormation, and Stackdriver. Developed RESTful microservices with Spring Boot, Quarkus, and Micronaut frameworks. Integrated message-driven beans and messaging platforms such as RabbitMQ, IBM MQ, Kafka, and Redis for asynchronous communication. Utilized containerization and orchestration tools including Docker, Kubernetes, and PCF. Employed Apache Spark, Flink, and Kafka for real-time data streaming and processing. Participated in Agile Scrum ceremonies and promoted CI/CD pipelines using Jenkins and Chef. Developed batch jobs with Spring Batch and conducted performance tuning with Cloud Profiler.

Java Backend Developer at PetSmart

March 31, 2023 - August 18, 2025

Supported backend development with Java, Spring Boot, Quarkus, and microservices deployed on AWS. Migrated legacy applications to Kotlin for performance improvements. Developed AWS Lambda functions for event-driven processing. Created batch processing jobs using Spring Batch and integrated Cassandra for distributed data storage. Managed messaging systems with RabbitMQ and Apache Active MQ. Improved CI/CD pipelines using Jenkins and Kubernetes with Docker containers. Designed and tested RESTful APIs and Angular-based front-end components. Followed Agile and TDD methodologies for software delivery and maintained infrastructure with Terraform, CloudFormation, and Ansible.

Java Backend Developer at Biogen

August 31, 2021 - August 18, 2025

Developed Java-based financial data processing applications using Core Java, JSP/Servlets, and J2EE patterns. Built Microservices with Spring Boot, Hibernate, and integrated with Kafka messaging. Created AWS Lambda functions and managed backend logic. Built ReactJS UIs integrated with GraphQL APIs. Used Pivotal Cloud Foundry for cloud deployment and performed performance tuning. Implemented SAML authentication using Ping Identity and handled logging with Log4j and Splunk. Participated in Agile processes and continuous integration using Jenkins.

Java Developer at PTR Technologies

September 30, 2019 - August 18, 2025

Implemented Java-based business components and RESTful microservices using Spring Boot, Spring MVC, and Hibernate. Developed AngularJS and ReactJS front-end UI components. Processed large data sets with Hadoop, Spark, Scala, and HBase. Developed batch jobs with Spring Batch. Employed Apache Kafka for multi-threaded data processing. Used Git for version control and Maven/Gradle for build automation. Participated in Agile SCRUM development and deployed microservices on PCF.

Sr. Java Full Stack Developer at Arvest Bank – Bentonville, AR

April 1, 2023 - Present

Responsible for server-side development using Java and related technologies, building RESTful APIs, handling data storage, and ensuring system security and scalability. Followed Agile methodologies and contributed to CI/CD pipelines using tools like Docker, Kubernetes, Maven, and Jenkins. Developed microservices with Spring Boot, Quarkus, and Micronaut and worked on front-end development using Angular 12 and ReactJS. Utilized AWS Lambda, cloud monitoring tools, and managed NoSQL databases including Cassandra and MongoDB. Implemented real-time streaming applications with Kafka and Spark Streaming and contributed to migration and integration projects using Kotlin and Node.js. Implemented Docker-based microservices deployment modules and worked extensively on cloud security and identity management.

Java Backend Developer at PetSmart – Phoenix, AZ

March 31, 2023 - August 29, 2025

Focused on back-end development using Java and Java ecosystem technologies. Created AWS Lambda jar files for event-driven processing, developed modules with Spring Boot and Quarkus, and integrated microservices deployed to AWS. Used TypeScript for large-scale front-end applications, managed batch jobs with Spring Batch and Hibernate, and worked with Cassandra for data storage. Migrated modules from Java to Kotlin. Implemented messaging solutions using RabbitMQ and Apache ActiveMQ. Developed RESTful APIs, used Jenkins for CI/CD pipelines, and managed cloud infrastructure automation with Terraform and Ansible. Designed and optimized database operations in DB2 and PostgreSQL. Actively involved in SCRUM, code testing, and deployment tasks.

Java Backend Developer at Biogen – Cambridge, MA

August 31, 2021 - August 29, 2025

Developed Java applications processing and analyzing financial data. Designed and optimized database schema and queries with Oracle and PL/SQL. Built microservices using Spring Boot and integrated with Kafka messaging systems. Developed APIs for AWS Lambda and integrated third-party services for Node.js applications. Contributed to front-end development using ReactJS and GraphQL and applied CI/CD practices with Jenkins on PCF. Utilized Pivotal Cloud Foundry for deployment, and used Splunk for operational monitoring. Engaged in behavior-driven and test-driven development practices, wrote SQL scripts for data validation, and participated in agile sprint planning and collaboration.

Java Developer at PTR Technologies - India

September 30, 2019 - August 29, 2025

Worked in Agile teams developing Java 1.8 applications using Lambdas, Streams, and Spring Batch. Developed Node.js applications and AWS Lambda functions using Python. Built microservices with Spring Boot and deployed using Pivotal Cloud Foundry. Designed and implemented business logic using core Java and PL/SQL stored procedures. Utilized Apache Kafka, Hadoop, Spark Streaming, and Scala for big data processing. Created front-end components with ReactJS and AngularJS and managed version control with Git. Participated in performance testing and automation using JMeter and JUnit within Agile environments.