Java Full Stack Developer 5 Years Experience

Praneeth Jangiti

Java Full Stack Developer

Location: Kansas, USA Mail: ******************@*****.*** Ph.: +1-913-***-**** Linkedin PROFESSIONAL SUMMARY:

Results-driven Full Stack Java Developer with nearly 5 years of experience in financial services, retail and e-commerce domains, specializing in building scalable, secure and high-performance applications.

Expertise in developing microservices with Java, Spring Boot and Spring Cloud and implementing Kafka for real-time messaging, order processing and event-driven architectures.

Skilled in creating modular and responsive UIs using React.js and Tailwind CSS, integrating RESTful and SOAP APIs to deliver seamless customer experiences across payment, banking and retail platforms.

Proficient in database engineering with Oracle (PL/SQL), MySQL, MongoDB and Redis, leveraging Hibernate JPA and Spring Data for persistence and query optimization.

Strong background in securing enterprise applications with Spring Security, OAuth 2.0, JWT, OIDC and RBAC, ensuring compliance with PCI DSS and SOX standards.

Experienced in API performance optimization with GraphQL and Next.js, driving faster rendering speeds and improving user engagement for data-intensive applications.

Hands-on in DevOps automation using Jenkins, GitHub Actions, Docker and Helm, with deployments on AWS EKS for high availability and scalability.

Adept at implementing automated test frameworks using JUnit 5, Mockito and Rest Assured and maintaining code quality with SonarQube and JaCoCo.

Collaborative team contributor with proven success in Agile/Scrum environments, delivering features such as digital payments, loyalty programs, KYC workflows and fraud prevention solutions. TECHNICAL SKILLS:

Programming Languages: Java, JavaScript, TypeScript, SQL, PL/SQL Frontend Technologies: React.js, Next.js, Redux Toolkit, Tailwind CSS, HTML5, CSS3 Backend Frameworks: Spring Boot, Spring Security, Spring Cloud, Hibernate JPA, RESTful APIs, SOAP APIs

Micro services & APIs: Spring Cloud Config Server, Eureka, API Gateway, GraphQL, REST, SOAP Security & Authentication: OAuth 2.0, JWT, OIDC, RBAC, Tokenization, Spring Security DevOps & CI/CD: Jenkins, GitHub Actions, Docker, Helm, Kubernetes (AWS EKS) Databases: Oracle 19c, MongoDB, MySQL, Redis

Cloud Platforms: Amazon Web Services (AWS), AWS EKS Message Queuing Systems: Apache Kafka

Testing Tools: JUnit 5, Mockito, Rest Assured, SonarQube, JaCoCo Monitoring & Logging: Splunk

Version Control: Git, GitHub

Methodologies: Agile, Scrum, JIRA

Data Integration & Legacy Support: ACH, SWIFT, SEPA, COBOL Interoperability PROFESSIONAL EXPERIENCE:

State Street - MO, USA May 2024 – Present

Full Stack Developer

Designed and implemented scalable microservices using Java, Spring Boot and Spring Cloud (Eureka, Config Server, API Gateway) to enhance digital payment processing, KYC verification and loan origination workflows.

Optimized API performance by 42% through GraphQL and Next.js SSR, improving UI rendering speed and reducing load times for high-volume B2B banking dashboards.

Delivered a 100% success rate in PCI DSS and SOX compliance audits by configuring Spring Security with OAuth 2.0, tokenization and RBAC to safeguard sensitive PII and transaction metadata.

Developed a modular, responsive frontend with React.js, Redux Toolkit and Tailwind CSS to provide real-time portfolio analytics dashboards for auditors and compliance officers.

Integrated Oracle 19c (PL/SQL), MongoDB and Redis with Hibernate JPA and Spring Data to support real-time credit risk modeling and caching for large-scale transaction datasets.

Automated CI/CD pipelines with GitHub Actions and Jenkins, containerized services using Docker and Helm and deployed microservices to AWS EKS, ensuring high availability for trading platforms.

Built and consumed RESTful and SOAP APIs for ACH, SEPA and SWIFT payment networks, ensuring interoperability and backward compatibility with legacy COBOL-based systems.

Enhanced application security by implementing authentication and authorization with JWT, OAuth 2.0 and OIDC to protect access to customer credit reports, loan applications and mortgage records.

Achieved 90%+ test coverage by applying JUnit 5, Mockito and Rest Assured for unit, integration and contract testing, while maintaining code quality with SonarQube, JaCoCo and static analysis.

Reduced fraud detection time by 36% by integrating Splunk dashboards with AML rule sets and banking event logs for real-time fraud monitoring and anomaly detection.

Tech Stack: Java, Spring Boot, Spring Cloud, GraphQL, Next.js, React.js, Redux Toolkit, Tailwind CSS, Oracle 19c, MongoDB, Redis, Docker, Helm, AWS EKS, Jenkins, GitHub Actions, JUnit, Mockito, Rest Assured, Splunk. Optum- Hyderabad, India June 2021 - July 2023

Full Stack Developer

Designed and developed scalable backend systems and RESTful APIs using Java and the Spring Framework, improving system maintainability and enabling seamless integration with frontend applications.

Implemented a Kafka-based message queuing architecture to replace legacy frameworks, increasing data processing efficiency by 50% and enabling real-time data streaming for critical business operations.

Engineered cross-platform applications with Java and JavaScript frameworks, boosting application performance by 30% and significantly enhancing user engagement metrics.

Integrated Docker containerization into the development lifecycle, streamlining deployments, reducing release times by 40% and improving scalability and resource utilization.

Strengthened application security by configuring Spring Security with role-based access control (RBAC), ensuring secure handling of customer data and payment transactions.

Enhanced system reliability with automated unit and integration testing using JUnit 5 and Mockito, achieving higher code coverage and reducing production defects.

Deployed monitoring solutions with Splunk to track application logs and performance metrics, enabling proactive troubleshooting and minimizing downtime.

Optimized database performance by collaborating with cross-functional teams on relational (MySQL) and NoSQL

(MongoDB) systems, applying advanced indexing and efficient data modeling to cut query response times by 25%.

Contributed to Agile delivery processes through Jira-based sprint planning, daily standups and retrospectives, improving team productivity by 20% and ensuring on-time milestone delivery. Tech stack: Java, Spring Framework, Spring Security, REST, Kafka, JavaScript, MySQL, MongoDB, Docker, JUnit 5, Mockito, Splunk, Jira.

HCL TECH-Hyderabad, INDIA May 2019 - June 2021

Junior Java Developer

Developed backend services with Spring Boot and Hibernate JPA, enabling seamless product catalog management and order processing.

Built responsive customer-facing UIs using React.js and Tailwind CSS, improving storefront usability and cart conversion rates.

Integrated secure authentication and authorization with Spring Security and JWT, safeguarding customer profiles and payment information.

Designed high-performance APIs with REST and GraphQL, supporting advanced search and personalized product recommendations.

Implemented Kafka-based event-driven workflows to streamline order tracking and inventory synchronization across multiple retail channels.

Optimized checkout performance by tuning queries in Oracle 19c and implementing caching strategies with Redis.

Deployed containerized services using Docker and Kubernetes (AWS EKS), ensuring high availability during seasonal retail traffic spikes.

Automated CI/CD pipelines with Jenkins and GitHub Actions, accelerating feature releases and reducing deployment errors.

Enhanced application reliability through automated test suites using JUnit 5 and Mockito, ensuring robust cart, payment and delivery flows.

Monitored application health and transaction logs with Splunk, enabling proactive issue detection and faster incident resolution.

Ensured seamless integration with third-party payment providers via SOAP APIs and RESTful APIs, maintaining compliance with retail payment standards.

Collaborated in Agile Scrum teams using JIRA, delivering iterative features such as loyalty programs, gift cards and personalized promotions.

Tech Stack: Java, Spring Boot, Hibernate JPA, Spring Security, JWT, REST, GraphQL, React.js, Tailwind CSS, Kafka, Oracle 19c, Redis, Docker, Kubernetes (AWS EKS), Jenkins, GitHub Actions, JUnit, Mockito, Splunk. EDUCATION:

Master of Computer Science - University of Central Missouri, Lee’s Summit, Missouri, USA Bachelor of Computer Science - Anurag Group of Institutions Ghatkesar, Hyderabad, India

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