CHANDAN Yadav

• Led a team of 17 members in providing system support, troubleshooting bugs and errors, and resolving IT-related incidents.
• Provided L3 support for environment and production-related issues.
• Analyzed code and made modifications to existing software to correct errors, upgrade interfaces, and improve performance.
• Handled emergency recovery support (ERT) by interacting with clients, and providing temporary or permanent solutions to issues.
• Worked on script filling/refilling, adjudication of scripts, and drug utilization review functionalities of applications.
• Created alerts in Splunk and AppDynamics to support new functionalities of application availability.
• Identified plans and resources required to meet project goals and objectives.
• Monitored project performance to identify areas of improvement and make adjustments.
• Monitored progress against established goals, adjusting schedules and resources as needed to keep projects on track.
• Established effective communication among team members for enhanced collaboration and successful project completion.
• Coordinated with cross-functional teams to resolve project issues and mitigate risks.
• Prepared detailed reports on project status for stakeholders, ensuring transparency and alignment with objectives.
• Mentored junior team members in project management best practices to enhance their skills and contribute to better overall performance.
• Delivered exceptional customer satisfaction by proactively addressing client concerns and meeting or exceeding expectations throughout the engagement process.
• Improved client relationships, consistently meeting or exceeding project expectations and maintaining open lines of communication.
• Analyzed issues caused by major events impacting production using tools such as ELK, Dynatrace, Grafana, and AppDynamics, with SRE techniques.
• Developed complex SQL queries for report generation and data examination.
• Created a metrics dashboard and alerts in AKS to monitor system performance and detect degradation.
• Migrated applications from on-premises to Azure using the re-platform approach, and produced high-level design documents.
• Migrated applications from on-premises to Azure using the re-platform approach, and produced high-level design documents.
• Led employee relations through effective communication, coaching, training, and development.
• Conducted regular performance reviews, providing constructive feedback and coaching to facilitate continuous improvement among employees.

Pharmacy retail systems (US Based Client)

• Working as the lead developer for a pharmacy system deployed in 10,000 US pharmacy stores, our application is used by over 100,000 pharmacy and business users. The application is built on a client-server architecture with over 20k TPS. We are using Java with an Oracle backend.
• Handling new release deployment, leading the end-to-end development process from requirement gathering to deployment in production.
• Currently, I am working on migrating different existing modules to a microservices architecture.
• We are using the PCF platform to deploy our new microservices.
• We are also working on containerizing the current store systems. We are implementing Kubernetes at the store side to deploy different containers, which include the pharmacy application, front store applications, and different bot solutions used for dispensing medication.
• I also work on the backend system by creating PL/SQL queries to perform the data fix according to business requests.
• Responsible for any infrastructure-related issue, and providing the workaround to resume the business.
• Mentored junior developers through regular 1-on-1 meetings, providing guidance on best practices, coding standards, and career growth opportunities.
• Maintained close communication with clients throughout project life cycles for accurate progress reporting and prompt issue resolution.
• Increased application stability by regularly monitoring performance metrics, addressing bottlenecks proactively to minimize downtime occurrences.
• Streamlined project delivery processes, achieving milestones ahead of schedule without compromising on quality.

Pharmacy retail systems (US Based Client)

• Resolving assigned application-related issues (functional and technical) within SLA, occurring with pharmacy users while providing services to their customers.
• Monitoring the service nodes to ensure that the application is always up and running.
• Engaging with all other external teams during production issues.
• Raise defects for all issues, analyze the root cause, and provide effective workarounds.
• Performing tasks such as weekly and monthly status reporting to the client on open issues.
• Basic log analysis from a UNIX-based environment with shell scripts for log filtration and report generation.
• Coordination with support teams in terms of resolving issues due to production maintenance and customer requests.
• Analysis of defects found in application code in the deployed production release.
• Preparing SQL queries and cursors to update or fetch the production data per user request.
• Application logs monitoring is used to confirm whether the application is running smoothly. In case abnormal logs or issues are found, inform higher management and find the root cause.
• Monitoring the performance issue. (High I/O and high CPU issues.)
• Smooth application and DB deployment of new releases on client servers from time to time.
• Preparing daily reports related to different production areas, and providing the same to the concerned management.
• Handling a particular module as a subject matter expert in application releases.
• Mentoring new associates when they join the team.
• Attending client meetings regarding the inspection of system health checks, incident analysis on a daily basis, DB/server maintenance, etc.
• Following and actively participating during any production issue that arises over a bridge call.
• Supported Tools:
• Toad/Oracle/SQL Developer : To perform all the DB related tasks
• Service Now /HPSM: To perform ticket related tasks
• Team Track (SBM): Quick access to defect and one shot repository and other business related tasks.
• Putty: To monitor the application, application/server logs also to write unix commands and small shell scripts.
• Splunk : To monitor application logs as well setting alerts and dashboards for performance monitoring of the system.
• Appdynamics : To monitor and check root cause of critical alerts
• Control M : To monitor batch job execution.
• Swagger: To validate request and response of services.
• Grafana : To validate dashboard for trend analysis.
• Internal tools: Node monitor, Dashboards etc to perform health checks.
• SVN: To Used manage and track changes to code and assets across projects.

The project aimed at supporting the deployment and maintenance of Unix, Hadoop systems, and Windows-based applications used by AT&T’s users. We are providing L2 support. We received tickets from the users, and based on the severity of the tickets, we have to resolve the issue. We have to ensure 100% availability of the applications.

• Responsible for assisting managers and associate directors in handling program-level issues and change requests.
• On-site – offshore coordination.
• Gathering and documenting requirements for new application development.
• Upgradation and enhancements for the existing applications.
• Testing and statistics analysis.
• Assist the project manager and the program manager in handling daily activities.
• Prepares and maintains weekly and monthly project status reports.
• Ability to work independently and as a team member.
• Working with different applications like Splunk, Tealeaf, AppDynamics, Science Logic, and Web Logic.
• Led training sessions for internal staff members, boosting their technical knowledge and skills in key areas of expertise.
• Delivered exceptional customer service by addressing user inquiries promptly and professionally.

An application development project to create new banking applications for customers. ANZ is separating a few customers to form a new bank. All the existing applications will be cloned and modified to create a new application for the new bank.

• Working as a subject matter expert for a client.
• Involved in analyzing bank requirements.
• Involved in coding and modifying Java programs
• Involved in unit testing and integration testing.
• Involved in unit testing and integration testing.
• Involved in the review process of documents and coding.
• Conducted thorough risk assessments to identify potential issues and develop mitigation strategies.
• Led change management initiatives to ensure smooth transitions during periods of organizational growth or restructuring.
• Implemented quality assurance measures, leading to a significant reduction in errors and rework.

• Project 1 – Answers Desktop
• Domain : Retail
• Skill Set : C#, ASP. NET 3.5, VC++
• Role : Technical Support Engineer (L3)
• Worked on:
• Handling application related issue.
• Coordinate with testing team for existing defects.
• Raise defects for all issue and analyze root cause and provide workaround.
• Debug the code to find bugs on application.
• Responsibilities:
• To interact with clients to understand their requirements of the client
• To attend/organize regular meetings with the clients on the weekly status
• Responsible to identify the root cause of the defects introduced and working on resolution to avoid defect counts
• Incident Management Monitoring
• Engaging in triage calls to resolve the customer issues
• Meeting the SLA and resolving the customer tickets on time
• Monitoring the service nodes to ensure that the application is up and running always
• Engaging with all other external teams during production issue