Karthikeyan S

Coupa Integration Engineer | Coupa P2P | ERP Integrations | REST APIs | NetSuite | Procurement Tech

Pune District, Maharashtra, India

About

Integration Support Engineer with 5+ years of experience in SaaS integrations, specializing in REST APIs, ERP integrations (SAP, Oracle, NetSuite), and data pipeline optimization. Proven track record of troubleshooting complex integration issues, improving system reliability, and supporting enterprise P2P platforms like Coupa.

Experience

  • Coupa (Pune City, Maharashtra, India · On-site)
    • Integration Support Engineer
      Apr 2026 - Present · 3 mos

      Delivered integration support for enterprise clients using Coupa P2P platform, ensuring reliable transaction processing Led integration efforts with architects and cross-functional teams to deliver successful and timely implementations Troubleshot and resolved 60+ monthly integration issues across REST APIs and SFTP-based systems Configured and maintained integrations with ERP systems including SAP, Oracle, and NetSuite Designed ETL workflows for seamless data exchange between Coupa and customer systems Monitored system performance using New Relic and supported production releases Executed MySQL queries and Ruby scripts for data fixes and backend operations Analyzed and debugged integration issues using Postman, MySQL, and Rails console to identify root causes and ensure quick resolution

    • Integration Support Specialist
      Apr 2024 - Present · 2 yrs 3 mos

  • Cognisive (3 yrs)
    • Data Integration Engineer
      Aug 2021 - Apr 2024 · 2 yrs 9 mos

      Worked as a contractor for Coupa Software, providing technical support to Level 2 and Level 3 engineers Assisted in resolving integration issues and supported back-end operations during critical deployments and maintenance cycles. Gained hands-on exposure to Coupa, laying the foundation for a direct role at Coupa.

    • Intern
      May 2021 - Aug 2021 · 4 mos