RAJAT KUMAR

Client:Blackrock

• Coordinated migration of applications from AppDynamics to Grafana, enhancing observability and telemetry.
• Collaborated with stakeholders across teams to align on observability strategies and define conventions.
• Championed adoption of distributed tracing tools, analyzing transaction traces to evaluate system performance.
• Directed migration of services previously using AppDynamics agents, establishing best practices for metrics collection.
• Designed and implemented instrumentation for Java microservices, publishing metrics to Grafana for enhanced monitoring.
• Enhanced shared platform libraries to standardize telemetry signal instrumentation across multiple microservices.
• Utilized technologies including Java, Spring, Grafana, Splunk, Kafka, Microsoft SQL Server, and AWS S3.

Client: EBSCO

• Developed EBSCO CMA products through software architecture and engineering services.
• Groomed features and user stories to align with project goals.
• Engineered microservices such as cwb-discover-indexer and cwb-discover-search for auto-suggest functionality.
• Conducted in-depth analysis of OpenSearch features for enhanced application performance.
• Executed unit, integration, end-to-end, and performance testing to ensure quality assurance.
• Participated in open hours to resolve challenges and improve team collaboration.
• Documented detailed feature specifications to support development processes.
• Demonstrated iterative feature enhancements to stakeholders for feedback.

Client: EBSCO

Conducted requirement gathering and estimation to define project scope accurately.

• Executed PIP planning and refined features to align with stakeholder expectations.
• Performed story grooming to prioritize tasks effectively and enhance workflow.
• Developed features for various microservices, including eem-auth-module-edg, supporting frontend applications.
• Engaged in comprehensive testing methodologies: Unit, Integration, e2e, Contract, and Performance Testing.
• Participated in Open hours to resolve outstanding challenges collaboratively.
• Documented all relevant feature details to ensure knowledge transfer and clarity.
• Demonstrated features to stakeholders, showcasing capabilities and improvements.

Client: EBSCO

• Developed Experience Manager module for EBSCO, implementing dynamic configuration translation flow.
• Implemented parameter data indexing service to facilitate event-driven data indexing in OpenSearch.
• Created discovery-search service to query OpenSearch and retrieve documents efficiently.
• Collaborated with 8-member development team under guidance of one Product Owner and one Scrum Master.
• Utilized technologies including Java 17, Spring Boot, Kubernetes, and AWS services for project execution.
• Employed monitoring tools such as New Relic and Grafana for performance tracking.
• Leveraged Apache Kafka and Amazon DynamoDB for robust data management solutions.
• Focused on backend services to meet client-specific requirements effectively.

• Developed customer support platform using Spring Boot microservices to enhance user experience.
• Integrated third-party warehouse management system utilizing Kafka and AWS Lambda functions.
• Implemented event-based ERP system to streamline financial operations.
• Established Kafka cluster on EC2 instances for improved data handling.
• Executed payment gateway and phone-pe switch integrations to facilitate transactions.
• Created FEED management system leveraging Spring Boot and microservices architecture.
• Managed team of three developers, driving project success and technical excellence.
• Collaborated on consumer-facing projects with direct exposure to end-users.

• Developed a web crawler for job and company data using Java JSOUP and Selenium.
• Implemented job indexing solutions with Elasticsearch to enhance search efficiency.
• Designed and wrote APIs for both Android and web clients to facilitate seamless communication.
• Executed multilingual job translations employing Google Cloud Translation API.
• Conducted email parsing to extract relevant information from incoming messages.
• Managed all Tomcat-related tasks to ensure optimal server performance.
• Utilized Linux OS for development and deployment processes.
• Leveraged technologies including Spring Boot, MySQL, and Memcached in backend development.