Senior Java Full-Stack Developer - Cloud-Native Microservices Expert

Naga Veera Venkata Ravi Teja Kandula

313-***-**** ******************@*****.***

Professional Summary

Results-driven Java Full Stack Developer with 6+ years of extensive experience designing and delivering scalable, cloud-native microservices using Java 17, Spring Boot, Spring Cloud, and Spring Web Flux, Proven expertise in building RESTful and Graph APIs, implementing secure authentication and authorization with OAuth 2.0, JWT, Open ID Connect, Spring Security, and RBAC, and developing responsive front-end applications using React.js, Angular, and Next.js. Strong background in event-driven architectures leveraging Apache Kafka, Redis, and Saga patterns for distributed transactions. Hands-on experience with HIPAA-compliant healthcare systems, integrating FHIR and HL7 standards, and implementing AI-assisted fraud detection APIs using AI/ML, NLP, LLMs, and Generative AI tools. Proficient in containerization and orchestration using Docker and Kubernetes (EKS/AKS), with deep exposure to AWS and Azure cloud services, CI/CD pipelines via Jenkins, GitHub Actions, and Azure DevOps, and observability using ELK Stack, Prometheus, Grafana, CloudWatch, and Splunk, Adept at using Drools Rule Engine, MongoDB, PostgreSQL, SQL Database, and Elasticsearch to deliver high-performance, resilient enterprise applications.

Technical Skills

Category

Skills

Programming Languages & Runtimes

Java (Java 17), JavaScript/Typescript

Backend Frameworks

Spring Boot, Spring Cloud, Spring Web Flux, Drools Rule Engine

Frontend Frameworks

React.js, Angular, Next.js

API Development & Integration

RESTful APIs, Graph, FHIR, HL7 standards

Security & Authentication

OAuth 2.0, JWT, Open ID Connect, Spring Security, Role-Based Access Control (RBAC)

Messaging & Caching

Apache Kafka, Redis

Databases & Data Stores

MongoDB, PostgreSQL, SQL Database, Elasticsearch

Cloud Platforms & Services

AWS (EKS, RDS, S3, CloudWatch), Azure (Azure Cloud, Azure App Services, Azure DevOps), Kubernetes (EKS, AKS)

Containerization & Orchestration

Docker, Kubernetes

CI/CD & DevOps Tools

Jenkins, GitHub Actions, CI/CD pipelines, Prometheus, Grafana, ELK Stack (Elasticsearch, Log stash, Kibana), Splunk

AI/ML & Specialized Domains

AI and ML, NLP, LLM, Generative AI (Gen AI), GitHub Copilot, AI-assisted fraud detection APIs, HIPAA-compliant microservices, Saga patterns

Work Experience

Senior Java Full Stack Developer Oct 2024 – Present

Voya Financial - Detroit, Michigan, USA

Voya Financial, Inc. is an American financial services company. I designed and implemented scalable microservices using Java 17, Spring Boot, and Spring Cloud, delivering secure RESTful and Graph QL APIs with OAuth 2.0, JWT, and Open ID Connect, and rich UIs using React.js and Angular,

Key Responsibilities:

Investigated and resolved production issues while continuously optimizing application performance and stability.

Configured Prometheus and Grafana dashboards to monitor application metrics, alerts, and overall system

Designed and developed scalable microservices using Java 17, Spring Boot, and Spring Cloud to support high-availability, cloud-native enterprise applications, Built and maintained RESTful and Graph QL APIs, ensuring high performance, reusability, and seamless system integration.

Designed and developed intelligent Java-based applications leveraging AWS Lambda for serverless execution, integrating AI/ML models, NLP pipelines, LLMs, and Generative AI capabilities for automation and insights.

Collaborated on AI-driven solutions by embedding LLM-powered APIs and NLP engines into enterprise workflows, enabling smart decision-making and real-time data processing, Accelerated development and code quality using GitHub Co-pilot, applying GenAI-assisted design patterns to build scalable, secure, and high-performance microservices.

Implemented secure authentication and authorization using OAuth 2.0, JWT, and Open ID Connect, following enterprise security and compliance standards, built dynamic and responsive user interfaces using React.js.

Integrated frontend and backend components to ensure seamless data flow, Containerized applications using Docker for consistent development and deployment, Built and managed automated CI/CD pipelines using Jenkins and GitHub Actions to enable faster, reliable, and repeatable deployments.

Managed and modelled data for various NoSQL databases, including MongoDB for flexible document storage and Cassandra for high-availability workloads, Deployed and managed services on Kubernetes clusters for scalability and resilience, Implemented Redis for caching and session management to improve performance.

Developed responsive and modular front-end applications using React.js and Angular with a focus on usability, performance, and cross-browser compatibility, designed event-driven architectures using Apache Kafka to enable real-time data streaming and asynchronous communication,

Integrated AI-assisted fraud detection APIs to enhance risk assessment, anomaly detection, and decision-making workflows, developed reactive backend services using Java and Spring Web Flux for high-throughput applications.

Deployed and managed microservices across AWS cloud platforms ensuring scalability, security, and high availability, Implemented centralized logging using the ELK Stack to support effective monitoring, troubleshooting, and root-cause analysis, Designed and implemented REST APIs with non-blocking, event-driven architecture.

Collaborated closely with DevOps, QA, and product teams to deliver end-to-end features aligned with business goals, Containerized applications using Docker and orchestrated deployments using Kubernetes (EKS/AKS).

Using Technologies: Java 17, Spring Boot, and Spring, RESTful, Graph QL, OAuth, JWT, React.js, Angular, Apache Kafka, CI/CD pipelines, Jenkins, GitHub, AWS, ELK, Docker, Kubernetes

Senior Java Full Stack Developer Nov 2023 - Sep 2024 McLaren Health Care Corporation - Flint, Michigan, US

McLaren Health Care is a major non-profit integrated health care delivery system; I built responsive healthcare applications using React.js, managed data with MongoDB and PostgreSQL, and deployed scalable solutions on AWS (EKS, RDS, S3) with monitoring and logging through CloudWatch and Splunk.

Key Responsibilities:

Designed and developed HIPAA-compliant microservices using Java and Spring Boot for healthcare applications.

Implemented healthcare data integrations following FHIR and HL7 standards for interoperability, Built secure backend services using Spring Security with RBAC (Role-Based Access Control).

Developed responsive and accessible user interfaces using React.js, Ensured end-to-end data security, encryption, and audit logging to meet HIPAA regulations, Worked in Agile/Scrum environments with cross-functional teams, Mentored junior developers and contributed to architectural decisions.

Worked on front-end codebases utilizing a mix of modern and legacy technologies, including jQuery, JSP, JSTL, and Custom Tag Libraries, Wrote and optimized complex SQL queries, stored procedures, and triggers for relational databases such as Oracle, MySQL, and PostgreSQL.

Utilized JAXB for marshalling and UN marshalling XML data for data exchange with legacy systems.

Designed and optimized REST APIs for clinical and administrative workflows, Integrated MongoDB and PostgreSQL for structured and unstructured healthcare data storage, Deployed and managed microservices on AWS EKS for scalable container orchestration, Utilized AWS RDS and S3 for reliable data persistence and document storage.

Implemented monitoring and alerting using Amazon CloudWatch, Centralized logging and operational insights using Splunk, Optimized application performance, scalability, and fault tolerance in distributed systems.

Performed code reviews and enforced secure coding best practices, Troubleshot production issues and conducted root-cause analysis, Supported compliance audits and security assessments.

Contributed to the automation of build and deployment processes by maintaining and using CI/CD pipelines.

Using Technologies: HIPAA-compliant microservices, Java and Spring Boot, FHIR and HL7 standards, Spring Security, RBAC, HIPAA, MongoDB and PostgreSQL, AWS EKS, AWS RDS and S3, Agile/Scrum

Java Full Stack Developer Mar 2022 - Jul 2023

TCS (Zara) - Bangalore, Karnataka, India

Zara is a Spanish global fashion retailer known for its trend-driven clothing and accessories for women, men, and children as well as home décor through its Zara Home line, I implemented Apache Kafka, Redis, and Elasticsearch for real-time processing and search, deploying containerized services with Docker, Kubernetes, and automated CI/CD pipelines for reliable releases.

Key Responsibilities:

Developed and maintained microservices using Java and Spring Boot for scalable applications, Built and consumed RESTful APIs to support backend and frontend integration.

Designed responsive user interfaces using React.js and Next.js, Implemented Apache Kafka for event-driven messaging and real-time data processing, Used Redis for caching to improve application performance and reduce latency.

Integrated Elasticsearch for fast search and analytics capabilities, Containerized applications using Docker for consistent deployments, Deployed and managed services on Kubernetes clusters.

Designed and developed Spring Boot–based RESTful microservices, implementing Spring MVC, Spring Data JPA, and Spring Security for scalable enterprise applications, Deployed and managed applications on Microsoft Azure using Azure App Services, ensuring high availability, fault tolerance, and performance optimization.

Persistence layer was implemented using Hibernate Framework, Front - end is designed by using HTML, CSS, JSP, Servlets, JSTL Ajax, Involved in developing the CSS sheets for the UI Components

Built cloud formation stacks utilizing JSON templates to deploy micro services as part of Jenkins. Worked with java 1.7 features Creating & establishing of the User Interfaces using HTML CSS and JSP, The Java Message Service UMS) API is used to allow application components to create, send, receive and read messages.

Automated build and deployment processes using CI/CD pipelines, Collaborated with cross-functional teams in an Agile environment, Monitored and optimized application performance and reliability.

Followed coding standards, best practices, and participated in code reviews.

Using Technologies: microservices, Java and Spring Boot, RESTful APIs, React.js and Next.js, Apache Kafka, Redis, Elasticsearch, Kubernetes, CI/CD pipelines, Agile

Java Developer Mar 2019 - Feb 2022

Acko Insurance - Bangalore, Karnataka, India

Acko General Insurance (commonly called Acko) is a digital-first insurance company, I developed and enhanced insurance applications using Java and Spring Boot, implementing complex business rules with the Drools Rule Engine and building dynamic user interfaces with Angular, Deployed and managed solutions on Azure Cloud and Azure App Services,

Key Responsibilities

Developed enterprise applications using Java and Spring Boot following microservices best practices.

Extensively used HTML Web forms Ensured cross-browser compatibility by testing the applications of different browsers including Safari, Worked with Dynamic widgets Used AJAX and) Query widget for data collection and display data on the front end, developed robust responsive Ajax driven us with AJAX, CSS DHTML Java Script and) Query.

Implemented complex business rules using the Drools Rule Engine for dynamic decisioning, Designed and developed interactive user interfaces using Angular, Built and exposed RESTful APIs to support frontend and external integrations.

Implemented Saga patterns to manage distributed transactions across microservices, Designed and optimized SQL Database schemas and queries for high performance,

Worked on Big Data Integration &Analytics based on Hadoop, SOLR, Spark, Kafka, Storm and web Methods.

Collaborated with QA and business teams in Agile/Scrum environments, ensured code quality through reviews, testing, and adherence to best practices.

Using Technologies: Java and Spring Boot, Drools Rule Engine, Angular, RESTful APIs, Saga patterns, SQL Database, Azure Cloud, Agile/Scrum, Azure DevOps.

Education

Western Illinois University - Illinois, USA (2023 – 2025)

Computer Science/ Masters

Java Full Stack Developer

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