Gopikrishna Nallappareddi

• Understanding the client requirements by studying functional and technical documents.
• Design and implement APIs based on business process requirements.
• Utilize the latest and emerging technologies to create robust and scalable APIs.
• Ensure APIs meet performance, security, and compliance standards.
• Configure API security certifications, manage authentication, and authorization processes.
• Set up IP security protocols and configure API endpoints for secure communication.
• Implement and maintain secure access controls and encryption/decryption methods.
• Develop and manage service policies using various Policy Assertions.
• Implement XML/JSON transformation, routing, encryption, digital signatures, and auditing within policies.
• Ensure policies cover Access Control, TLS, XML Security, Message Validation/Transformation, Routing, Policy Logic, and Threat Protection.
• Manage and operate modern API Gateways, with a preference for Apigee.
• Ensure seamless API operations, monitoring, and scalability through the API Gateway.
• Apply REST API best practices in design and development.
• Ensure RESTful APIs are designed for performance, scalability, and maintainability.
• Implement comprehensive security measures to protect APIs from threats.
• Regularly audit and update security configurations to comply with industry standards.
• Document API designs, configurations, and policies.
• Ensure all implementations are compliant with relevant regulations and standards.

• Understanding the client requirements by studying functional and technical documents
• Developed a design and development of RESTful APIs using Apigee.
• Proficient in working with OpenAPI specification and Swagger implementation.
• Developed feature file in cucumber.js.
• Content filtering - Based on content types, message size, schema validations, IP-based filtering, etc.
• Development of authentication features like JWT authentication, OAuth authentication, SSL authentication, and basic authentication.
• Implementation of Fault handling, Logging, and Monitoring.
• Cooperating, coordinating with team members and related components to ensure no issues arise in development.
• Responsible for fixing the bugs raised by the testing team as part of the testing phase.
• Deployed code to different environments using CI/CD pipeline.
• Testing the services through Postman.

AML Cards & Optimization is a compliance project handling all credit card transactions (both retail and consumer). The main goal is to detect fraudulent transactions and generate alerts for such transactions over a data of about 400 GB per month for the USA and Canada alone. The project is divided into two parts.

• Segmentation (12-month historical data is provided to analysts).
• Transaction Monitoring (alerts are generated on 12 months and recurring feed data). This is a rule-based alert generation model.
• Responsible for the implementation and development of the Hadoop infrastructure.
• Involved in the project from POC and worked from data staging until saturation of DataMart and reporting. Worked in an onsite-offshore environment.

• Developed Big Data Solutions that enabled the business and technology teams to make data-driven decisions on the best ways to acquire customers and provide them with business solutions.
• Used the Hive data warehouse tool to analyze the data in HDFS and developed Hive queries.
• Implemented daily workflow for extraction, processing, and analysis of data with TWS.
• Validation and processing of data.

Citi QA UAT Support - This application handles all the trading procedures and takes the data from various source systems. After that, it processes and stores the data in different databases. These systems transmit data to the next level.

• Handling all the trade-related issues while trades are moving from EDTS/COMET (FO) to ZTS (MO).
• Sending daily checkouts mail to business users for all the tools that are being used in the trading life cycle.
• Automation program developed for morning checkouts.
• Server maintenance.

Citi Equities DMOS Application Support.

• Involved in the requirement study.
• Developing components for the Middle Tier as per various business rules.
• Designing of User interface.
• Testing of Modules and Code review.
• Performance Monitoring (CPU, Memory, Paging, Network Latency, HTTP Response)

The Defence Research and Development Organisation (DRDO) is an agency under the Department of Defence Research and Development in the Ministry of Defence of the Government of India, charged with military research and development, headquartered in Delhi, India.

• Programming in PL/SQL in both Linux and Windows platforms.
• Software Configuration activities.

Contributed in maintenance of hardware in Loop Simulation activities. Prepare the documents as per requirements.