Vinaypal Singh

Developed and automated REST API test suites using REST Assured, integrating performance testing (JMeter) and security testing to ensure API reliability and compliance with OWASP standards. Implemented automated cloud testing pipelines on AWS, Azure, and OCI, focusing on scalability, multi-region deployments, and cost optimization testing. Automated testing of large IoT-generated datasets using tools like Apache Kafka with JDBC, ensuring data integrity, real-time processing accuracy, and performance validation across distributed database systems. Designed and automated LLM testing frameworks using tools like LangChain, validating model accuracy, response quality, and scalability under varied datasets and scenarios. Performed chaos engineering tests using tools like Chaos Monkey, validating system resilience under simulated network failures, disk crashes, and scalability stress tests. Validated and maintained test cases within AWS Serverless infrastructure, ensuring seamless integration and performance for cloud-based applications. Proficiently utilized Core Java and Selenium frameworks to design and automate test cases, improving testing efficiency and accuracy across multiple environments. Performed QA automation and manual testing for B2B and B2C applications, focusing on user experience, backend functionality, and end-to-end system validations, including online shopping portals. Reduced regression testing time by 40% through effective test case automation on BrowserStack.

Built and maintained API automation frameworks to validate RESTful APIs, focusing on functionality, performance, and security across different environments. Helped the B2B Halodoc team for implementing the industry standard QE processes. Automated integration testing for Kafka, focusing on message production, consumption, and processing. Led debugging efforts in production environments for microservices and APIs, identifying root causes of issues and reducing mean time to resolution (MTTR) by 25%. Automated AWS Lambda functions using AWS SDKs, enhancing operational efficiency and scalability. Created scripts to manage Lambda lifecycle programmatically, reducing manual effort and deployment time. Defined and tracked OKRs related to test automation coverage, defect leakage, and test execution time, continuously refining testing strategies to meet and exceed quality goals. Led performance testing initiatives, simulating high-traffic scenarios for microservices, optimizing response times, and improving system throughput by 30%. Implemented Chaos Engineering techniques to proactively identify and resolve system vulnerabilities, enhancing the resilience and stability of microservices. Developed and executed comprehensive QA automation strategies for iOS, android applications and web platforms, focusing on backend testing, system testing, API testing, and UAT, ensuring optimal functionality and performance.

Led debugging and automation for cross-product integrations including Connector, Logger, ESM, and Transformation Hub. Testing ArcSight Smart Connector across multiple security modes including TLS + Client Authentication, FIPS + Client Authentication, TLS only, FIPS only, and Plain Text to ensure secure and efficient communication. Designed and implemented automated testing frameworks for various ArcSight SmartConnector types, including Syslog, File-based, Database, Windows Event Log, and Cloud Connectors (AWS, Azure, Google Cloud), Okta connector, ensuring seamless log ingestion, accurate parsing, and consistent performance across diverse log sources. Performed end-to-end security testing of ArcSight SmartConnector using Burp Suite to identify web application vulnerabilities, Nessus for network and system vulnerability scans, and Fortify Static Code Analyzer to detect code-level security flaws, ensuring robust log management security.

Developed and tested IntelliJ and Eclipse plugins for Oracle NoSQL Database on Oracle Cloud Infrastructure (OCI), ensuring seamless integration and functionality. Conducted end-to-end testing for Oracle NoSQL database integrations with Apache Hadoop MapReduce and Apache Hive, ensuring seamless data processing and analytics across distributed systems. Designed and executed test cases for Oracle NoSQLs integration with Elastic Search, validating full-text search functionality for high-performance querying and indexing. Tested Oracle NoSQLs integration with Oracle Big Data SQL, ensuring compatibility and optimization for cross-platform querying of structured and unstructured data. Contributed to multiple performance benchmarking efforts for Oracle NoSQL Database, both On-Premise and Cloud Service. Integrated YCSB (Yahoo Cloud Serving Benchmark) with Oracle NoSQL Database and designed the in-house performance benchmarking tool, Cloud Characterization Workbench (CCW). Performed testing and automation of NoSQL features, including cluster contraction, large-scale data migration, and OpenJDK11 certification, utilizing Java and Shell scripting.

Designed and implemented BDD-based API automation frameworks using REST Assured and Cucumber, enabling efficient validation of microservices within the OpenShift-based platform. Integrated test automation early in the CI/CD pipeline, ensuring faster defect identification and improving code quality by leveraging shift-left testing practices for microservices. Automated the testing and validation of ElasticSearch indices and queries, ensuring data consistency, scalability, and fault-tolerance for the new platform. Conducted comprehensive system integration testing for microservices architecture, validating inter-service communication, API dependencies, and platform stability in the OpenShift environment.

Engineered and implemented NoSQL test solutions in both distributed and clustered architectures. Assessed system performance and verified NoSQL solutions, conducting detailed analysis and resolving database application performance issues. Validated SQL functionalities and automated them utilising the query test framework. Engaged with the Cloud Characterization Workbench test framework to simulate tenant workloads on cloud and on-premises environments. Executed a range of testing types, including functional, stress, security, upgrade, failover switchover, and regression tests for multiple releases, performing debugging and root cause analysis of identified issues.

Participated in Agile processes, including daily scrums, planning, reviews, and retrospectives, and prepared test data, designed test cases, and executed black box and white box testing for multiple releases. Conducted comprehensive testing on middleware integration platforms and frontend/back-end applications, ensuring reliability through regression, load testing (LoadUI, JMeter), and defect reproduction from UAT feedback. Developed POCs on HP UFT and Test Complete, automated testing using WinTask and Selenium, and configured application servers and environments (e.g., JBoss). Provided technical guidance to the testing team, managed unit testing (JUnit), and oversaw server build, deployment, and smoke testing to maintain high-quality standards.

Creating high and low-level design documents. Converting requirements into code using popular open-source Java frameworks like Struts. Writing Unit and Integration tests using JUnit. Building and deploying the application on the testing and production environments using Ant and Jenkins/Hudson. Involved in various integration projects to design and develop Oracle fusion middleware services in Service Oriented Architecture. Producing service interface specification documents and web-services interfaces.