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I'm Ranjith Mukkera, a Full Stack Java Developer with around 5 years of experience across the Software Development Life Cycle. I build robust backend systems using Java 8/17, Spring Boot, Hibernate, JPA, and RESTful APIs, and I’ve integrated microservices with messaging systems like Kafka and RabbitMQ. On the front end, I enjoy crafting responsive user interfaces with React.js, TypeScript, HTML5, CSS3, and modern UI frameworks. I work with MySQL, PostgreSQL, and MongoDB, focusing on performance and scalable data models. I'm proficient with CI/CD pipelines, containerization with Docker and Kubernetes, and cloud deployments on AWS. I ensure security with Spring Security, OAuth2, and JWT, write unit and integration tests with JUnit and Mockito, and collaborate in Agile environments with JIRA and Confluence to deliver measurable value on time.…I'm Ranjith Mukkera, a Full Stack Java Developer with around 5 years of experience across the Software Development Life Cycle. I build robust backend systems using Java 8/17, Spring Boot, Hibernate, JPA, and RESTful APIs, and I’ve integrated microservices with messaging systems like Kafka and RabbitMQ. On the front end, I enjoy crafting responsive user interfaces with React.js, TypeScript, HTML5, CSS3, and modern UI frameworks. I work with MySQL, PostgreSQL, and MongoDB, focusing on performance and scalable data models. I'm proficient with CI/CD pipelines, containerization with Docker and Kubernetes, and cloud deployments on AWS. I ensure security with Spring Security, OAuth2, and JWT, write unit and integration tests with JUnit and Mockito, and collaborate in Agile environments with JIRA and Confluence to deliver measurable value on time.

Ranjith Mukkera

Full Stack Developer, Developer, Programmer, +4

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I'm Ranjith Mukkera, a Full Stack Java Developer with around 5 years of experience across the Software Development Life Cycle. I build robust backend systems using Java 8/17, Spring Boot, Hibernate, JPA, and RESTful APIs, and I’ve integrated microservices with messaging systems like Kafka and RabbitMQ. On the front end, I enjoy crafting responsive user interfaces with React.js, TypeScript, HTML5, CSS3, and modern UI frameworks. I work with MySQL, PostgreSQL, and MongoDB, focusing on performance and scalable data models. I'm proficient with CI/CD pipelines, containerization with Docker and Kubernetes, and cloud deployments on AWS. I ensure security with Spring Security, OAuth2, and JWT, write unit and integration tests with JUnit and Mockito, and collaborate in Agile environments with JIRA and Confluence to deliver measurable value on time.…I'm Ranjith Mukkera, a Full Stack Java Developer with around 5 years of experience across the Software Development Life Cycle. I build robust backend systems using Java 8/17, Spring Boot, Hibernate, JPA, and RESTful APIs, and I’ve integrated microservices with messaging systems like Kafka and RabbitMQ. On the front end, I enjoy crafting responsive user interfaces with React.js, TypeScript, HTML5, CSS3, and modern UI frameworks. I work with MySQL, PostgreSQL, and MongoDB, focusing on performance and scalable data models. I'm proficient with CI/CD pipelines, containerization with Docker and Kubernetes, and cloud deployments on AWS. I ensure security with Spring Security, OAuth2, and JWT, write unit and integration tests with JUnit and Mockito, and collaborate in Agile environments with JIRA and Confluence to deliver measurable value on time.

Available to hire

I’m Ranjith Mukkera, a Full Stack Java Developer with around 5 years of experience across the Software Development Life Cycle. I build robust backend systems using Java 8/17, Spring Boot, Hibernate, JPA, and RESTful APIs, and I’ve integrated microservices with messaging systems like Kafka and RabbitMQ. On the front end, I enjoy crafting responsive user interfaces with React.js, TypeScript, HTML5, CSS3, and modern UI frameworks. I work with MySQL, PostgreSQL, and MongoDB, focusing on performance and scalable data models.

I’m proficient with CI/CD pipelines, containerization with Docker and Kubernetes, and cloud deployments on AWS. I ensure security with Spring Security, OAuth2, and JWT, write unit and integration tests with JUnit and Mockito, and collaborate in Agile environments with JIRA and Confluence to deliver measurable value on time.

Skills

Experience Level

Expert

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Intermediate

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Intermediate

Beginner

Work Experience

Full Stack Java Developer at Northern Trust

July 1, 2024 - Present

Optimized Hibernate query mappings and JSP data rendering by implementing lazy loading, efficient pagination, and SQL indexing, reducing query latency by 35%. Architected RabbitMQ-based event-driven workflows for real-time transaction processing of 50,000+ events/hour, cutting timeout failures by 60%. Streamlined CI/CD pipelines migrating from PCF to AWS using Docker, GitLab, and Amazon EKS, shortening release cycles from one week to three days. Deployed and optimized AWS infrastructure with cost reductions of 25% and improved system availability. Developed Spring Boot microservices and MVC modules enhancing inter-service communication, speeding feature delivery by 30%. Spearheaded migration to containerized microservices on Amazon EKS, cutting release downtime by 40%. Engineered RESTful APIs improving response times by 20%. Strengthened security with JWT, OAuth2, and RBAC, reducing unauthorized logins by 42%, ensuring compliance with PCI-DSS and SOX standards.

Full Stack Java Developer at Capital One

June 30, 2024 - August 4, 2025

Built and managed microservices using Java 17 and Spring Boot for credit card transactions, handling 6+ million transactions weekly with 99.97% uptime. Integrated JWT authentication and OAuth2 SSO with Active Directory, reducing login-related fraud by 65%. Developed internal React.js portals improving page loads by 30% and streamlining audits. Utilized Azure App Services and Blob Storage lowering storage costs by 20% while ensuring failover reliability. Collaborated with DevOps to deploy Kubernetes services with Helm charts enabling zero downtime during peak loads. Optimized SQL queries improving performance by 45%, cutting RDS CPU load by 30%. Automated 70+ API test suites with Postman and JUnit, reducing regression testing from 5 days to under 1.5 days.

Full Stack Developer at Hexaware Technologies

August 31, 2022 - August 4, 2025

Designed and optimized Java 8 and Spring Boot microservices for healthcare claims processing, increasing throughput by 35%. Developed GraphQL APIs reducing data over-fetching by 60%, improving dashboard response times by 45%. Built healthcare dashboards using HTML5, CSS3, Redux, and Bootstrap, enhancing page load times and mobile responsiveness. Created 300+ unit and integration tests achieving 93% code coverage, reducing critical defects by 40%. Improved CI/CD pipelines with GitHub Actions, Docker, and SonarQube, cutting release cycle times by 35%. Refactored legacy Java EE monolith into modular Spring Boot microservices, reducing deployment time by 85%. Worked closely with frontend teams to design API contracts, improving delivery timelines by 2 weeks and usability. Ensured HIPAA compliance throughout the SDLC.

Full Stack Java Developer at Northern Trust

July 1, 2024 - Present

Optimized Hibernate query mappings and JSP rendering to reduce query latency by 35%. Architected RabbitMQ event-driven workflows handling over 50,000 events/hour, reducing timeout failures by 60%. Streamlined CI/CD pipelines automating build and deployment during PCF to AWS migration, shortening release cycles from 1 week to 3 days. Deployed and optimized AWS infrastructure on EKS, S3, and CloudWatch, cutting costs by 25% and improving high availability. Developed microservices and MVC modules with Spring Boot/MVC, accelerating feature delivery by 30%. Led migration from monolithic PCF apps to containerized microservices on EKS, reducing downtime by 40%. Engineered RESTful APIs with optimized queries improving response times by 20%. Enhanced security with JWT, OAuth2, and RBAC controls, lowering unauthorized logins by 42% while meeting PCI-DSS and SOX standards.

Full Stack Java Developer at Capital One

June 30, 2024 - August 20, 2025

Developed Java 17 and Spring Boot microservices for credit card processing and fraud detection pipelines handling 6+ million transactions weekly with 99.97% uptime. Integrated JWT and OAuth2 SSO with Active Directory enhancing secure login and reducing fraud incidents by 65%. Built internal web portals with React.js and Node.js improving page load times by 30%. Leveraged Azure App Services and Blob Storage implementing auto-scaling and lifecycle policies reducing storage costs by 20%. Collaborated with DevOps deploying Kubernetes services with Helm, HPA, and probes ensuring zero downtime during peak hours. Optimized SQL queries and Hibernate Criteria improving query performance by 45% and reducing transaction latency. Automated 70+ API tests with Postman and JUnit, cutting regression cycle from 5 days to 1.5 days.

Full Stack Developer at Hexaware Technologies

August 1, 2022 - August 20, 2025

Formulated optimized Java 8 and Spring Boot microservices for healthcare claims and billing, increasing claim throughput by 35%. Integrated GraphQL APIs reducing over-fetching by 60% and improving dashboard speed by 45%. Created responsive healthcare dashboards using Redux and Bootstrap improving load times by 25%. Delivered 300+ JUnit/Mockito tests achieving 93% coverage and reducing defects by 40%. Enhanced CI/CD pipelines with GitHub Actions, Docker, and SonarQube cutting release time by 35%. Refactored 40,000+ lines of legacy Java EE into Spring Boot microservices reducing deployment time by 85% and ensuring HIPAA compliance.

Full Stack Java Developer at Northern Trust

July 1, 2024 - Present

Optimized Hibernate query mappings and JSP data rendering which reduced query latency by 35%. Architected RabbitMQ-based workflows handling 50,000+ events/hour, decreasing timeout failures by 60%. Streamlined CI/CD pipelines for migration from PCF to AWS, shortening release cycles from 1 week to 3 days. Deployed and optimized AWS infrastructure cutting costs by 25% while improving availability. Developed and enhanced Spring Boot microservices, accelerating feature delivery by 30%. Led migration of monolithic apps to containerized microservices, reducing downtime by 40%. Engineered REST APIs improving response times by 20%. Strengthened security with JWT, OAuth2, and RBAC controls, reducing unauthorized logins by 42%.

Full Stack Java Developer at Capital One

June 30, 2024 - August 20, 2025

Constructed and managed Java 17 and Spring Boot microservices processing over 6 million transactions weekly with 99.97% uptime. Integrated JWT and OAuth2 with Active Directory, reducing login fraud by 65%. Developed internal portals with React.js and Node.js, improving load times by 30%. Leveraged Azure App Services and Blob Storage to reduce storage costs by 20% and ensure failover. Collaborated on Kubernetes deployments with Helm charts and auto-scaling, achieving zero downtime during peak hours. Optimized SQL queries and Hibernate APIs, boosting performance by 45% and reducing CPU load by 30%. Automated 70+ API test suites, cutting testing cycles from 5 to 1.5 days, enabling faster releases.

Full Stack Developer at Hexaware Technologies

August 1, 2022 - August 20, 2025

Developed and optimized Java 8 and Spring Boot microservices for healthcare claims processing, increasing throughput by 35%. Integrated GraphQL APIs reducing data over-fetching by 60%, improving dashboard speed by 45%. Built responsive healthcare dashboards, improving load times and mobile usability. Delivered 300+ unit tests achieving 93% coverage, reducing defects by 40%. Enhanced CI/CD pipelines with GitHub Actions and Docker, cutting release time by 35%. Refactored legacy Java EE to Spring Boot microservices, reducing deployment time by 85% and ensuring HIPAA compliance.

Full Stack Java Developer at Northern Trust

July 1, 2024 - Present

Optimized Hibernate query mappings and JSP data rendering by implementing lazy loading, efficient pagination, and SQL indexing, reducing average query latency by 35% during peak settlements and improving transaction throughput for wealth management modules. Architected RabbitMQ-based event-driven workflows for credit evaluation, fraud detection, and fund disbursement, enabling real-time transaction processing of 50,000+ events/hour and reducing timeout failures by 60% during peak trading hours. Streamlined CI/CD pipelines during PCF to AWS migration using Docker, GitLab, and Amazon EKS, automating build, test, and deployment workflows which shortened release cycles from 1 week to 3 days, improving delivery consistency across environments. Deployed and optimized AWS infrastructure using Amazon EKS, S3, and CloudWatch during PCF migration, applying lifecycle rules, auto-backups, and DR strategies that cut costs by 25% and improved high availability under peak loads. Developed and enhance

Full Stack Java Developer at Capital One

June 1, 2024 - September 18, 2025

Constructed and managed Java 17 and Spring Boot-based microservices for credit card transaction processing, Kafka-driven fraud detection pipelines, and customer account services, handling 6+ million financial transactions weekly across distributed clusters with 99.97% uptime and PCI-DSS compliance. Integrated JWT token-based authentication and OAuth2 SSO with Active Directory, enhancing secure login and session management for internal banking applications, reducing login-related fraud incidents by 65% and improving audit traceability for compliance teams. Created internal web portals using React.js and Node.js, implementing server-side rendering, API integrations, and performance tuning that improved page load times by 30% and streamlined internal audits and transaction checks. Leveraged Azure App Services and Blob Storage for hosting microservices and storing transaction archives, implementing lifecycle policies and auto-scaling strategies that reduced storage costs by 20% and ensured

Full Stack Developer at Hexaware Technologies

August 1, 2022 - September 18, 2025

Formulated and optimized Java 8 and Spring Boot microservices for a healthcare claims processing and patient billing platform, increasing claim throughput by 35% through advanced threading models, efficient batch handling, and database query optimization. Integrated GraphQL APIs with provider portals for claims, eligibility, and coverage checks, reducing over-fetching by 60% and improving dashboard speed by 45%. Built responsive healthcare dashboards using HTML5, CSS3, Redux, and Bootstrap, improving load times by 25% and mobile usability. Delivered 300+ JUnit/Mockito tests for patient onboarding, claims, and pharmacy workflows, achieving 93% coverage and reducing defects by 40%. Enhanced CI/CD pipelines with GitHub Actions, Docker, and SonarQube, cutting release time by 35% through automation and containerization. Refactored 40K+ lines of legacy Java EE into Spring Boot microservices, reducing deployment time by 85%, improving resolution by 50%, and ensuring HIPAA compliance.