DUGGINENI SATHYA SHYAM

• Developed robust microservices applications with Java, decreasing downtime. Implemented RESTful APIs for smooth integration, enhancing performance via code reviews. Designed and maintained efficient microservices apps, minimizing downtime with Java

Project 1: Federated Catalog Tool MS

• Client: Verizon.
• Team Size: 12
• Technologies: Java 8, Spring Boot, Spring Reactive, GenAI, RESTful APIs, Microservices.
• Description: The Federated Catalog Tool MS was developed to address the challenge of identifying product data inconsistencies across multiple systems used by Verizon, including DMP, DPI, CPI, Fusion, Elasticsearch, Redis, EPC, Federated DB, and the CXP. Previously, locating mismatches required manual inspection across layers, which was time-consuming and error-prone. This tool automates asynchronous data extraction and validation across layers, streamlining root cause analysis and ensuring catalog consistency for Devices, Accessories, Plans, Promotions and other flows

Roles and Responsibilities:

• Designed and implemented asynchronous data fetching and comparison mechanisms to validate catalog data across diverse systems.
• Developed backend components to extract and normalize data from source platforms (DMP, DPI) and downstream systems (Elasticsearch, Redis, Federated DB).
• Built a reusable comparison engine to detect critical mismatches in product attributes such as price and product name, regardless of downstream logic or transformations.
• Led development efforts for key catalog flows including Devices, Accessories, Plans, and Promotions.
• Implemented JUnit test coverage for core modules to ensure robustness, reliability, and maintainability of the codebase.
• Participated in the design and deployment of database stored procedures used for data operations and reconciliation.
• Collaborated closely with cross-functional teams (catalog, UI, search, and CXP domains) to define validation templates and ensure end-to-end data consistency.
• Played a key role in significantly reducing time-to-detect for catalog issues by replacing manual checks with automated, scalable workflows.

Project 2: CXP-Aggregate

• Client: Verizon.
• Team Size: 7
• Technologies: Java 8, Spring Boot, RESTful APIs, Microservices.
• Description: Played a key role in developing Verizon’s large-scale e-commerce application built on a microservices architecture, comprising over sixty microservices, including essential services like Shopping, Ordering, Browsing, and Insights.
• API Integration: Integrated APIs to aggregate and synchronize data across microservices, ensuring data consistency and facilitating seamless database updates.

Roles and Responsibilities:

• Feature Implementation: Developed and improvised the core features to enhance client requirements and improve user experience.
• Data Management: Managed CRUD operations for various entities within the microservices framework, ensuring robust data handling and optimal API performance.
• Testing and Validation: Conducted comprehensive unit and integration testing using JUnit to validate the accuracy and reliability of microservices APIs.
• Collaboration: Worked with cross-functional teams to integrate APIs across microservices, ensuring seamless data flow and overall system coherence.
• Performance Optimization: Resolved performance issues and bugs using SonarLint and other code quality tools, maintaining high standards of code quality.

Project 3: DNB Risk Analytics SAP C4C Reports

• Client: Dun & Bradstreet
• Team Size: 12
• Technologies: Java 8 features, Spring Boot, RESTful APIs, Microservices, Redis
• Description: At Dun & Bradstreet, I contributed to the development of various features and played a key role in implementing Redis for efficient data integration into Redis Cloud. Designed and developed advanced search functionality, including real-time, type-ahead queries. This work enhanced data management and search performance, providing a seamless and efficient user experience.

Roles and Responsibilities:

• Designed and implemented a REST API integrated with Redis Cloud, enabling efficient data management and advanced search functionalities, including real-time type-ahead queries.
• Contributed to dynamic PDF report generation to display subscription-specific company information, with customizable data visibility.
• Collaborated closely with the team to enhance the overall user experience.

• Acquired practical knowledge in Java programming and Spring framework, encompassing Spring Boot