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Jyothi - Jyothi Lead Java Developer with 18+ years(open to relocate)Ex(Apple,Citi / Morgan Stanley / Scotia Bank / Mastercard )

[email protected]

Location: Irving, Texas, USA

Relocation: Any state

Visa: H1B

Resume file: Jyothi Singaram_Resume_1775494486355.docx Please check the file(s) for viruses. Files are checked manually and then made available for download.

Professional Summary: Lead Java Developer with 18+ years of hands-on experience designing and delivering scalable enterprise applications across airlines, banking, fintech, healthcare, and consumer platforms. Proven ability to translate complex business requirements into practical, high-performing technical solutions that align with enterprise architecture standards. Strong expertise in building and modernizing backend systems using Java, Spring Boot, and microservices architecture. Extensive experience designing RESTful and SOAP-based integrations with external enterprise systems and third-party platforms. Skilled in architecting cloud-native applications using AWS and Azure with a focus on scalability, resilience, and cost optimization. Hands-on experience with containerization (Docker) and orchestration using Kubernetes (EKS/ECS) for highly available deployments. Adept at implementing event-driven architectures using Kafka and asynchronous messaging systems like AWS SQS. Strong understanding of security best practices including authentication, authorization, token-based security, and data encryption. Experienced in designing high-throughput systems with distributed caching (Redis) to improve performance and reduce latency. Proven track record in improving application performance through JVM tuning, heap analysis, and production issue troubleshooting. Expertise in CI/CD pipeline implementation using Git-based workflows, Jenkins, and automated deployment strategies like blue-green deployments. Strong experience working in Agile environments, collaborating closely with cross-functional teams, stakeholders, and product owners. Ability to lead architectural discussions, mentor teams, and guide development efforts toward scalable and maintainable solutions. Deep understanding of enterprise integration patterns, fault tolerance mechanisms, and circuit breaker implementations. Passionate about building reliable systems that enhance customer experience while maintaining operational excellence. Technical skills: Category: Technologies: Languages Java, J2EE, Servlets, JSP, JDBC, XML, XSL, JavaScript, TypeScript Frameworks Spring, Spring Boot, Spring MVC, Spring Security, Hibernate, JPA, Struts, AOP, IoC APIs & Integration REST APIs, SOAP Web Services, Microservices, WebClient, API integration, RMI, Sabre SWS DevOps & Cloud Git, Git pipelines, Jenkins, CI/CD, Docker, Kubernetes, AWS, Azure, ECS, EKS Security Authentication, Authorization, token-based security, encryption services, secure API design Performance & Testing JUnit, Mockito, PITEST, load testing, heap dump analysis, GC tuning, JVM memory analysis Data & Messaging Redis, Oracle, MySQL, MongoDB, DB2, Kafka, AWS SQS Operations Load balancing, blue-green deployments, circuit breaker pattern, Dynatrace, Splunk Professional Experience: American Airlines | Lead Java Developer | 2022 Present Responsibilities: Led the end-to-end architecture design for the boarding pass platform, ensuring seamless integration across web, mobile, kiosk, and airport systems. Designed scalable microservices architecture to handle high-volume boarding pass issuance and reissuance workflows. Built and optimized Spring Boot services to support real-time customer interactions across multiple digital channels. Integrated with Sabre systems using REST and SOAP services to fetch passenger and itinerary data efficiently. Introduced Redis-based caching strategies that significantly reduced response times for mobile and email boarding passes. Designed and implemented secure digital boarding pass delivery using encrypted payloads and token-based authentication. Enabled mobile wallet integrations including Google Wallet to enhance customer convenience and digital adoption. Defined customer classification logic to support priority boarding, premium travelers, and touchless experiences. Strengthened system resilience by implementing circuit breaker patterns and fault-tolerant service communication. Collaborated with security teams to enforce authentication and authorization mechanisms across internal APIs. Played a key role in CI/CD pipeline enhancements, enabling smooth deployments through blue-green strategies. Led Kubernetes deployment strategies ensuring high availability and zero downtime releases. Actively analyzed production issues using JVM tuning, heap dumps, and performance monitoring tools. Worked closely with cross-functional teams to align architecture with evolving business needs. Mentored development teams in adopting best practices for microservices and cloud-native development. Environment: Java, Spring Boot, Microservices, REST/SOAP, Redis, Kubernetes, Docker, AWS, Git, Jenkins, CI/CD, WebClient, Splunk, Dynatrace Kaiser Permanente Contract | Remote (USA)|Apr 2022 Aug 2022 Senior Java Software Engineer Led end-to-end release management, overseeing planning, quality assurance, and seamless deployment of distributed multi-tier applications from requirement intake to production rollout. Designed and implemented scalable microservices architecture to support healthcare systems, improving modularity, performance, and system resilience. Developed and integrated critical modules including medical entitlement eligibility, UDS screening, member web services, user registration, and mailing services, ensuring high availability and compliance. Built and deployed cloud-native applications using Azure Service Fabric, enabling highly reliable, scalable systems that function cohesively like a single application. Implemented serverless solutions using Azure Functions, reducing infrastructure overhead and optimizing operational costs. Leveraged Azure Kubernetes Service (AKS) to orchestrate containerized microservices, ensuring portability, efficient resource utilization, and high system reliability. Collaborated with cross-functional teams to enhance application performance, streamline deployment pipelines, and maintain production stability. Contributed to enterprise-level integrations supporting healthcare and financial domains with secure and scalable service design. Designed and developed modules for Fidelity National Information Services (FIS), including entitlements, dashboards, customer onboarding, data collection, and user registration systems. Played a key role in modernizing legacy banking applications, migrating microservices from mainframe systems to a modern J2EE-based architecture. Ensured adherence to best practices in API development, cloud-native design, and distributed systems engineering. Improved system scalability and fault tolerance through containerization and orchestration strategies. Supported production systems with performance monitoring, issue resolution, and continuous improvement initiatives. Partnered with stakeholders to translate business requirements into technical solutions aligned with enterprise architecture standards. Maintained strong focus on security, compliance, and data integrity, particularly within healthcare and financial systems. Environment: Java, J2EE, Spring Boot, Microservices, REST APIs, Azure Service Fabric, Azure Kubernetes Service (AKS), Azure Functions, Docker, Cloud Computing, Distributed Systems, CI/CD, Agile Apple |Project Development Manager |June 2018 April 2022 Responsibilities: Contributed to architecture design for global service and repair platforms supporting partner ecosystems. Built scalable backend services to manage repair workflows, parts ordering, and service operations. Designed REST APIs to support seamless interaction between internal systems and service providers. Improved application performance by optimizing database interactions and backend processing logic. Worked on modular service design to ensure flexibility and scalability across global operations. Collaborated with cross-functional teams to enhance system reliability and user experience. Supported integration of partner systems and external services for streamlined repair processes. Ensured high availability and consistent performance across distributed systems. Environment: Java, Spring, REST APIs, Microservices, Distributed Systems, Performance Optimization Tech Mahindra| April 2008 May 2018 Citi / Morgan Stanley / Scotia Bank / Mastercard | Senior Software Engineer | Responsibilities: Played a key role in designing and developing enterprise banking and payment applications. Built multi-tier Java applications for account onboarding, retirement products, and transaction processing. Developed reusable service components and integration layers for financial systems. Implemented eSign solutions to enable digital onboarding experiences. Worked extensively with Spring MVC, JDBC, and enterprise design patterns. Contributed to UI and backend integration for banking and payment platforms. Supported multiple clients, adapting quickly to diverse business requirements and environments. Participated in architecture discussions and contributed to system design improvements. Ensured application stability through troubleshooting, debugging, and performance tuning. Environment: Java, J2EE, Spring MVC, JDBC, Oracle, DB2, Web Applications, Financial Systems Kodak Gallery | Software Developer | May 2005 - Mar 2008 Responsibilities: Developed web-based applications for photo ordering and fulfillment workflows. Built features for photo albums, greeting cards, and print ordering systems. Integrated backend systems with printing labs and delivery services including FedEx. Worked on distributed systems using RMI for communication between components. Contributed to enhancing user experience and order processing efficiency. Environment: Java, J2EE, Servlets, Struts, RMI, Web Applications P&O Ports Australia | Software Engineer | May 2004 - Feb 2005 Responsibilities: Supported development of logistics and port management applications. Built Java-based modules to handle workflow-driven business operations. Assisted in aligning technical solutions with operational business processes. Contributed to system design improvements for maintainability and scalability. Environment: Java, Enterprise Applications, Workflow Systems Keywords: continuous integration continuous deployment user interface green card