Java Full Stack Developer with Cloud Expertise

Lakshmi Varaha Krishna Chittella

Java Full Stack Developer

USA +1-605-***-**** Email: ********@***********.*** LinkedIn SUMMARY

Results-driven Java Full Stack Developer with around 4 years of experience designing, developing, and deploying enterprise-grade applications across finance, technology, and consulting domains. Proficient in Java, Spring Boot, React, Angular, RESTful APIs, and microservices architecture, with strong expertise in cloud platforms (AWS, Azure, GCP), CI/CD pipelines, containerization, and DevOps practices. Adept at optimizing system performance, reducing downtime, and enhancing user experience while collaborating in Agile/Scrum environments. Demonstrated success in improving scalability, strengthening application security, enabling faster feature rollouts, and ensuring compliance with regulatory and industry standards to deliver high-quality, business-critical solutions. PROFESSIONAL EXPERIENCE

Java Full Stack Developer Ripple USA Jan 2025 – Current

• Designed, developed, and deployed financial and blockchain-enabled applications using Java, Spring Boot, React.js, and REST APIs, cutting transaction settlement times by 30% and enabling cross-border payments aligned with global security standards.

• Migrated legacy monolithic payment systems into a microservices-based architecture, leveraging Spring Boot, Kafka, and Docker to improve scalability, resilience, and uptime, resulting in a 99.9% availability rate for global customers.

• Built reusable React.js components with Redux for state management, optimizing UI performance and reducing frontend development effort by 25%, while ensuring cross-browser compatibility and mobile responsiveness.

• Developed and integrated real-time APIs with third-party payment providers, implementing OAuth 2.0 and JWT-based authentication to enhance security and comply with AML/KYC policies, significantly reducing fraud attempts.

• Created CI/CD pipelines with Jenkins and GitHub Actions, automating build, testing, and deployment across multiple environments, cutting release cycles from 2 weeks to 5 days and improving release quality.

• Conducted unit, integration, and performance testing with JUnit, Mockito, and Postman, raising test coverage above 85%, reducing critical defects by 40%, and ensuring robust and maintainable applications.

• Leveraged AWS services (Lambda, EC2, RDS, S3) to deploy distributed systems, reducing infrastructure cost by 20% through auto-scaling and optimized storage usage while improving system performance.

• Participated in Agile ceremonies (daily standups, sprint reviews, retrospectives) and collaborated with cross-functional teams to align technical design with business priorities, ensuring timely delivery of customer-centric solutions.

• Configured SonarQube quality gates, log monitoring with Splunk, and alerting dashboards, proactively identifying vulnerabilities and production issues, thereby minimizing downtime and improving customer trust.

• Partnered with QA, DevOps, and Security teams to implement automated regression testing, monitoring, and vulnerability scans, reducing post-production incidents by 35% and strengthening overall compliance and application reliability. Java Full Stack Developer Capgemini India June 2020 – July 2023

• Developed enterprise applications for banking clients using Java, Spring Boot, Angular, and Oracle DB. Improved performance by 35%, reduced latency, and ensured near-zero downtime for reliable customer services.

• Designed and implemented RESTful APIs for account management, payments, and loan processing, integrating with third-party systems. Cut manual processing by 40% and streamlined back-office operations. Increased efficiency and improved overall transaction handling

• Created Angular dashboards with Power BI integration for real-time KPIs, financial insights, and reporting. Reduced reporting delays by 60% and eliminated dependency on manual processes. Empowered stakeholders with data-driven, timely decision-making capabilities.

• Built real-time data pipelines using Kafka and Spring Batch for monitoring and compliance. Enabled proactive fraud detection and automated audit reporting. Strengthened risk management while improving overall audit readiness across financial platforms.

• Optimized SQL queries, PL/SQL procedures, and indexing in Oracle and PostgreSQL databases. Reduced reconciliation cycles by 50% and accelerated compliance reporting. Improved system scalability, stability, and efficiency for high-volume data processing.

• Implemented Docker and Kubernetes for containerization and orchestration across Dev, QA, UAT, and Prod. Reduced deployment errors by 30% and improved release velocity. Delivered consistent, reliable deployments across microservices-driven applications.

• Integrated OAuth 2.0, SSL/TLS, and OWASP best practices to strengthen application security. Ensured compliance with SOX and PCI-DSS while safeguarding sensitive data. Protected customer information and minimized risks of regulatory breaches.

• Performed code reviews, defect fixes, and tuning to improve reliability of financial transaction systems. Achieved a 40% throughput increase by resolving bottlenecks and enhancing performance. Delivered scalable and stable solutions in high-volume environments.

• Mentored junior developers through training sessions, code walkthroughs, and Agile workshops. Reduced onboarding time by 20% and improved collaboration across teams. Enhanced delivery productivity while fostering a culture of continuous learning.

• Collaborated with business analysts and architects to convert functional requirements into scalable technical designs, delivering APIs and modules that accelerated client onboarding by 25% while ensuring system scalability. TECHNICAL SKILLS

• Programming & Backend: Java, Spring Boot, Hibernate, J2EE, Node.js, REST/SOAP APIs

• Frontend Development: React.js, Angular, JavaScript (ES6+), HTML5, CSS3, Bootstrap, jQuery

• Cloud Platforms: AWS (EC2, S3, Lambda), Azure, Google Cloud Platform

• Databases & Storage: MySQL, PostgreSQL, Oracle, MongoDB, Cassandra, Redis

• Microservices & Architecture: Microservices, API Gateway, Service Mesh, Event-driven architecture

• DevOps & CI/CD: Jenkins, GitHub Actions, Docker, Kubernetes, Terraform, Maven, Gradle

• Testing & Automation: JUnit, Selenium, Postman, Mockito, Cucumber, TestNG

• Big Data & Streaming: Apache Kafka, RabbitMQ, Spark (basic integration for ETL)

• Version Control & Collaboration: Git, GitHub, GitLab, Bitbucket, Jira, Confluence

• Security & Compliance: OAuth 2.0, JWT, SSO, SSL/TLS, GDPR, OWASP

• Other Tools: IntelliJ IDEA, Eclipse, Visual Studio Code, SonarQube, Splunk EDUCATION

Masters University of South Dakota, Vermillion, USA Aug 2023 – Dec 2024 Bachelor BVC College of Engineering, Rajahmundry, India June 2018 - May 2022

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