Abhinav Singh Email & Phone Number

United States

Mason, Ohio, United States

• Led end-to-end development using Agile methodology, delivering microservices-based solutions that improved system scalability by 200% and reduced deployment time by 70%. Actively guided team members in daily SCRUM meetings, ensuring consistent on-time delivery• Architected and implemented a comprehensive microservices ecosystem utilizing Spring Boot, Spring Cloud, and Spring Security. Created RESTful APIs capable of handling 1M+ daily requests with 99.99% uptime, enabling seamless service integration and improved user experience• Spearheaded the modernization of frontend applications using Angular 14/16, developing reusable components and implementing efficient routing solutions. This initiative improved page load times by 60% and reduced code redundancy by 40%, resulting in a more maintainable codebase• Orchestrated complex cloud infrastructure on AWS, leveraging EC2, S3, DynamoDB, and ELB with auto-scaling. Designed and implemented a robust disaster recovery system that reduced potential downtime from hours to minutes, ensuring 99.9% data durability• Established an advanced CI/CD pipeline integrating Jenkins, Kubernetes, and AWS CodeDeploy, automating deployment processes that reduced release cycles from weeks to days. Achieved 95% test coverage using JUnit and PowerMock, significantly enhancing code reliability and quality• Optimized data operations using Java 11 features, Hibernate, and efficient database design. Implemented Lambda expressions and Stream API, resulting in 50% faster data processing and 30% reduced memory usage• Designed and deployed a high-performance messaging system using JMS and ActiveMQ for a banking application, successfully handling 10,000+ transactions per second with zero message loss, demonstrating reliability under high load

Chicago, Illinois, United States

• Architected and delivered a robust J2EE application utilizing Service-Oriented Architecture (SOA) principles, integrating diverse web services (SOAP, JMS, SMTP). Implemented a microservices architecture that reduced system response time by 35% and improved scalability to handle 50,000+ daily transactions.• Led the development of a full-stack application using ReactJS and jQuery for the front end, and MVC4 for the back end, achieving a 40% improvement in application performance. Enhanced user experience with responsive design, resulting in a 25% increase in user engagement.• Designed and implemented REST APIs using JAX-RS and Spring Boot, seamlessly deploying to Cloud Foundry. Created comprehensive API documentation that reduced integration time for other teams by 50% and enabled faster onboarding of new developers.• Optimized database performance through advanced Hibernate implementations, including inheritance mapping and batch processing. Improved data retrieval speed by 45% while reducing database load by 30% through efficient caching and lazy loading strategies.• Enhanced system reliability by resolving critical production issues, such as thread locking and clustering problems. Implemented monitoring solutions that improved system uptime from 97% to 99.9% and reduced mean time to resolution by 60%.• Developed and modernized user interfaces using Java Swing, Angular, and Bootstrap 4, creating interactive dashboards for data visualization that improved decision-making efficiency by providing real-time insights to stakeholders.• Executed a successful migration project using Oracle ADF, transforming a legacy search application to handle 3x more search requests while reducing average search time by 50%.

Boston, Massachusetts, United States

• Optimized database operations by developing efficient PL/SQL packages and stored procedures, resulting in 40% faster query execution and improved performance for a financial application serving 100,000+ users• Designed and implemented a microservice-based RFP system using Spring Boot and Spring MVC. Created RESTful APIs that increased proposal processing capacity by 3x, significantly improving team productivity• Modernized legacy systems using React/Angular frontend with Express backend. Implemented comprehensive testing with Jasmine and Mocha, leading to a 30% reduction in user-reported issues and improved application responsiveness• Streamlined deployment processes using Chef, Git, and Jenkins, reducing the release cycle from 2 weeks to 2 days while maintaining a high deployment success rate• Developed Python automation scripts for AWS operations, saving approximately 20 hours weekly in resource management tasks and reducing manual intervention• Enhanced quality assurance by implementing JUnit and Log4j testing frameworks. Achieved 95% code coverage, significantly reducing post-release defects• Led system architecture planning using UML diagrams and Java best practices, creating a scalable application that successfully handled 200% user growth over 2 years• Improved production support efficiency by implementing proactive monitoring, reducing resolution time for critical issues, and maintaining 99.95% application uptime