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Narasimha Reddy

Narasimha Reddy

SAP PI/PO/CPI BTP INTEGRATION CONSULTANT

About

SAP Integration Consultant with 6+ years of experience in designing, developing, and migrating enterprise integrations across SAP PI/PO, SAP Cloud Integration (CPI/CI), SAP API Management, and SAP BTP. Specialized in PI/PO to CI migration, API-led architecture, event-driven integration using SAP Event Mesh, and secure, scalable cloud integrations. Proven ability to reduce processing errors, optimize performance, and deliver high-availability interfaces for large-scale SAP landscapes.

Professional Experience

System Engineer (SAP CPI)

Humana Inc

Apr 2025 -- Till date

  • --Analyzed existing SAP PI/PO interfaces, message mappings, and adapter configurations to prepare for migration to SAP CPI.
  • --Assessed interface complexity and identified reusable components, mappings, and integration patterns for CPI implementation.
  • --Rebuild IDoc, SFTP, OData, SOAP, REST, JDBC, and file-based interfaces from PI/PO to CPI, ensuring functional equivalence and performance optimization.
  • --Converted classic PI message mappings to CPI graphical mappings and Groovy scripts for transformations in CPI.
  • --Reconfigured communication channels, receiver/operation determinations, and security artifacts in CPI (User credentials, Keystore, SSL certificates, SSH keys).
  • --Implemented exception handling, retry mechanisms, and monitoring alerts in CPI for migrated interfaces.
  • --Performed unit testing, integration testing (SIT), and user acceptance testing (UAT) for migrated interfaces.
  • --Coordinated with functional teams, SAP Basis, and business stakeholders to validate migration results.
  • --Assisted in transport management and deployment of migrated CPI artifacts across DEV → QA → PROD tenants.
  • --Monitored migrated interfaces in CPI using Message Monitoring and Trace mode, resolving post-migration issues efficiently.
  • --Documented migration activities, including technical design documents (TDDs), mapping conversions, and gap analysis.

Software Trainee

Cloud Cube Systems

Feb 2025 -- Apr 2025

  • --Gained hands-on experience in designing and deploying APIs using SAP API Management (APIM) in a hybrid SAP landscape.
  • --Assisted in integrating APIM with SAP CPI, SAP BTP services, S/4HANA, and third-party systems under guidance.
  • --Configured API proxies and basic policies such as CORS, OAuth 2.0, and API Keys for secure API access.
  • --Participated in API security setup including OAuth 2.0 token validation and SAML-based authentication.
  • --Assisted in monitoring API traffic and enforcing rate limiting and quotas to prevent misuse and ensure performance.
  • --Learned and applied threat protection, IP filtering, and basic policy configurations under mentorship.

System Analyst (SAP CPI)

Humana Inc -- Louisville, KY

Aug 2023 -- Dec 2024

  • --Delivered technical solutions and collaborated with onshore and offshore teams for SAP CPI integration projects supporting insurance operations.
  • --Developed and configured custom and pre-packaged iFlows for Cloud-to-Cloud and Cloud-to-On-Premises integrations.
  • --Implemented integration patterns such as Content Modifier, Router, Multicast, Join, Gather, Request-Reply, Process Call, Local Integration Process, and Exception Subprocess to ensure reliable message flow.
  • --Worked extensively with CPI adapters: SFTP, IDOC, SOAP, REST, OData, HTTPS, and Mail for connecting insurance systems and third-party applications.
  • --Managed security artifacts, including user credentials, key pairs, SSL certificates, and keystore entries, ensuring secure transmission of sensitive customer and policy data.
  • --Performed payload transformations and mappings using Graphical Mapping and Groovy Scripts for XML ↔ JSON, CSV ↔ XML, and other custom formats.
  • --Configured SAP Cloud Connector for secure communication with on-premises SAP systems handling policy, claims, and finance data.
  • --Monitored and troubleshot integration flows using Message Monitoring, MPL logs, and Trace mode, ensuring high availability of critical insurance interfaces.
  • --Prepared and maintained Technical Specification Documents (TSDs/TDDs) and coordinated with functional analysts for requirement clarifications.
  • --Assisted in transport management and deployment of CPI artifacts across (DEV → QA → PROD) tenants.
  • --Provided L2 production support, performed Root Cause Analysis (RCA), and implemented preventive measures to reduce recurring issues.
  • --Participated in Agile/Scrum ceremonies, sprint planning, and knowledge transfer sessions with offshore/onshore teams.

Technology Support Specialist (SAP CPI/PO)

Novartis

Nov 2018 -- Sep 2021

  • --Designed, developed, and supported 20+ integration flows (iFlows) in SAP Cloud Platform Integration (CPI) for Cloud-to-Cloud and Cloud-to-On-Premises integration scenarios.
  • --Integrated SAP S/4HANA (On-Premises), SuccessFactors, and third-party applications using CPI adapters: SFTP, IDOC, SOAP, REST, OData, HTTP, and Mail.
  • --Configured SAP Cloud Connector for secure connectivity with on-premises systems and managed security artifacts, including user credentials, keystore entries, SSH keys, and SSL certificates.
  • --Developed message transformations using Graphical Mapping and Groovy Scripts for XML, JSON, and CSV payloads.
  • --Implemented integration patterns including Content Modifier, Router, Splitter, Aggregator, Request-Reply, Process Call, Local Integration Process, and Exception Subprocess.
  • --Performed payload conversions (XML ↔ JSON, XML ↔ CSV, CSV ↔ XML), and other custom transformations.
  • --Monitored integration flows using Message Monitoring, MPL logs, and Trace mode, resolving production issues within SLA.
  • --Provided L2 production support, performed Root Cause Analysis (RCA), and implemented corrective actions to prevent recurring issues.
  • --Collaborated with functional teams to analyze requirements, prepare technical design documents (TDDs), and implement integration solutions.
  • --Assisted in transport management and deployment of CPI artifacts across tenants (DEV → QA → PROD).

System Engineer (SAP PI/PO)

Alcon

Aug 2017 -- Oct 2018

  • --Provided L1/L2 production support for 20+ SAP PI/PO interfaces across File, IDoc, RFC, SOAP, and REST adapters.
  • --Monitored daily interface processing using SXMB_MONI and Runtime Workbench, ensuring 99%+ interface availability.
  • --Resolved 15–20 incident tickets per week within defined SLAs using ServiceNow/JIRA.
  • --Performed root cause analysis (RCA) and reduced recurring issues through proactive monitoring and corrective actions.
  • --Troubleshot and resolved errors using SM58, SMQ1, SMQ2, WE02, IDX5, SM59, and reprocessed failed messages.
  • --Managed SSL certificate installation, renewal, and keystore updates in SAP PI/PO (STRUST and NWA) to ensure secure communication with external systems.
  • --Coordinated with external vendors and security teams for certificate exchange and validation.
  • --Led the system refresh activities, ensuring secure and uninterrupted integration processes.
  • --Updated certificates in communication channels (SOAP/REST/HTTPS) to prevent interface disruptions before expiry.
  • --Implemented configuration changes in Integration Directory (Receiver Determination, Interface Determination, Communication Channels, Parties & Services).
  • --Supported transport migrations (DEV → QA → PROD) and performed post-transport validation.
  • --Provided on-call production support to minimize business downtime.
  • --Maintained technical documentation and prepared RCA reports for stakeholders.

Skills

Integration Platforms: SAP CI
SAP PI/PO
SAP API Management
SAP BTP Integration Suite
SAP Event Mesh
Adapters: IDoc
SFTP
SOAP
REST
HTTP
OData
JDBC
RFC
Protocols: AMQP
MQTT
WebSocket
AS2
FTP
HTTPS
Mappings: Graphical
XSLT
Java
Programming: Groovy
JavaScript
Security: OAuth 2.0
SAML
SSL/TLS
PGP Encryption
API Keys
JWT
Tools: Postman
SOAP UI
Eclipse
IntelliJ IDEA
NWDS
Databases: SAP HANA
JDBC
Ticketing Tool: ServiceNow

Education

Master of Science in Computer Science

Long Island University -- New York, New York

Sep 2021 -- May 2023

Contact

Interested in working together? Feel free to reach out.

Narasimha Reddy