Wenkun Ren

Experience

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  Tata Consultancy Services

  Jun 1396 - Jan 1397

  Field Support Engineer

  Identified and resolved code vulnerabilities in Java and React.js through meticulous debugging and utilizing cutting-edge tools such as Docker Scout and JFrog. Reduced application downtime by 20% through proactive monitoring and maintenance.Provided exemplary AMS2.0 support, addressing critical issues and efficiently implementing bug fixes. Used the PageDuty platform to manage incidents, alerts, notifications, and team coordination, improving incident resolution time by 25% through effective troubleshooting.Maintained comprehensive documentation of the knowledge base, business flow, UAT tests, REST APIs, and DB dictionary. Enhanced user satisfaction by 30% through comprehensive training programs.Used Kibana to perform ELK log troubleshooting, interact with Elasticsearch, and conduct visualization analysis, providing valuable insights and ensuring efficient system operations. نمایش موارد کمتر

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  Cognizant

  Jan 1397 - Jun 1400

  L1.5 Support Management

  Managed the configuration of Veeva applications to ensure alignment with business needs and provided technical support and training to users via ServiceNow. Reduced incident resolution time by 15% through the implementation of best practices.Led system integration projects, ensuring seamless integration with MDM, Workday, and WeChat. Monitored application performance with Prometheus, identifying areas for improvement and optimizing APEX code. Successfully implemented system integration projects, reducing data transfer time by 20%.Maintained comprehensive documentation of configurations, processes, FAQs, user manuals, incident logs, DB dictionary, API docs, and support activities. Generated monthly reports using Oracle and Qlikview, providing insights for strategic decision-making.Improved application performance by 10% through various optimization initiatives, ensuring efficient and reliable system operations. نمایش موارد کمتر

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  Decathlon

  Jun 1400 - Aug 1402

  L2 Application Support

  Collaborated in an Agile team, managing daily tasks and Sprint cycles using Jira. Actively participated in postmortem meetings for incident analysis, Agile standup meetings, and retrospectives. Improved incident resolution time by 20% through effective management practices.Developed and maintained comprehensive automated data reports using SQL queries and crontab, providing valuable insights into system performance and business metrics. Reduced order processing time by 15% through system optimization.Utilized Java, REST API, JSON, and tools like Dynatrace, Kafka, and Elasticsearch for troubleshooting, bug-fixing, and managing jiuyiAPI documentation and database dictionaries. Implemented preventive maintenance strategies, reducing system failures by 30%.Worked with cross-functional teams to design and implement monitoring solutions using Splunk, ensuring proactive detection and resolution of potential issues. Enhanced user satisfaction by 25% through comprehensive training programs. نمایش موارد کمتر

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  Yanwen Express

  Jul 1403 - Aug 1403

  Logistics Data Analyst

  Develop BI reports with SQL and Python skills.Get business insights from Data Reports retriving with data and coding methologies.Oversee daily delivery performance and ensuring efficiency and quality.Handle abnormal orders, operate the WMS system, handle technical exceptions when drivers pick up goods, and handing over returned items to the warehouse.Collaborate with senior management and other team leaders to set warehouse and team objectives

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  Amazon Web Services (AWS)

  Sept 1403 - now

  Software Development Engineer

  AWS Marketplace Web Framwork