Nagaraju Karumanchi

Roles and Responsibilities :

• Developed scalable microservices using Spring Boot, adhering to REST and SOAP protocols, with well-defined OpenAPI specifications for seamless client integration.
• Implemented Hibernate ORM and JPA Specifications for efficient and maintainable data access, enabling dynamic and type-safe database queries.

• Engineered secure authentication and authorization mechanisms using Spring Security, JWT, and OAuth2.0, ensuring compliance with enterprise security standards
• Designed and managed distributed transactions across microservices and heterogeneous data sources, ensuring ACID compliance and system consistency.
• Tuned and optimized complex SQL and PL/SQL queries, analyzed execution plans, and improved performance by indexing, refactoring, and query rewriting.
• Deployed and managed enterprise applications on Open Liberty, WebLogic, and IIS servers, ensuring high availability and system reliability.
• Automated CI/CD pipelines using Jenkins, integrated with version control and quality gates for zero-downtime deployments.
• Utilized JProfiler, Java Flight Recorder, and VisualVM for backend profiling; leveraged Lighthouse to audit and optimize frontend performance.
• Enabled observability and proactive monitoring using AppDynamics and Splunk, leading to faster incident response and root cause analysis.
• Developed interactive and responsive UIs using React, Redux, and Angular, ensuring optimal UX and seamless integration with backend services.
• Wrote unit tests using JUnit (Java) and Jest (JavaScript) with high code coverage and test automation integration into CI pipelines.
• Conducted load and performance testing using JMeter, validating system resilience under high concurrency and throughput scenarios.
• Reverse-engineered and refactored legacy applications, modernizing them using current technology stacks and improving maintainability.
• Implemented robust multithreading and concurrent programming patterns to optimize background processing and parallel execution.
• Created and consumed secure, scalable APIs for internal and external consumers, including data transformation and versioning strategies.
• Wrote Python and Linux shell scripts for automation tasks, deployment, and log parsing in production environments.
• Managing offshore deliverables.
• Proposing technical solutions and getting validated with cross functional Teams.
• Configure CONTROL-M for the SOD & EOD process.
• Involved in implementing tactical asset allocation solution using C#.
• Crystal and SSRS reports development
• Release Management
• Testing & L3 support

Roles and Responsibilities :

• Installation of Oracle & MS SQL on Linux and windows.
• Responsible for Data Modeling (create Physical Data Model from Logical Data Model).
• Write complex SQL queries using joins, sub queries and correlated sub queries to retrieve data from the database.
• Create database objects like tables, views, Sequences, Synonyms, database links.
• Create Packages, procedures and functions, triggers in Both Oracle & SQL Server Data Bases.
• Performance tuning (Tune complex sql queries using compiler hints and advanced concepts of PL/SQL).
• Regular Monitoring Alert log File on Day-to-Day Basis.
• Managing Data files like adding, renaming and recreating.
• Cloning of Databases for lower environments.
• Monitoring Database health checks.
• Involved in backup strategies(EXPDP/IMPDP & RMAN).