Principal Software Engineer– EDI & Integrations, EDI and Integrations

Overview

Principal Software Engineer focused on EDI and integrations, owning enterprise B2B and middleware integration across GSK's Commercial and External Partner ecosystems.

What you'll do

• Design, develop, implement and support end-to-end B2B, EDI and cloud integration solutions, including configurations and customizations.
• Serve as technical authority for EDI and integration design, defining canonical data models, reusable patterns and coding standards.
• Implement and enforce ITMS controls, ensuring compliance, audit readiness and operational excellence in a regulated environment.
• Collaborate with business, Order to Cash, SAP, external partner teams and vendor/consultant resources to deliver integration outcomes on time and to standard.
• Develop and maintain EDI mappings and transformations, including source-to-target mapping specifications, partner-specific implementations, business validations and cross-reference management.
• Integrate enterprise applications with SAP/ERP systems and with external customers, distributors, wholesalers and supply chain partners.
• Lead EDI partner onboarding, B2B integrations and trading partner management, from requirements and testing through certification and go-live.
• Configure and support B2B protocols such as AS2, SFTP, FTPS, OFTP2, HTTPS, IBM MQ, REST APIs and SOAP services.
• Implement and maintain secure integration solutions using SSL/TLS, PGP encryption, digital certificates, digital signatures, OAuth and JWT authentication, including certificate lifecycle management.
• Develop scalable integrations using Azure API Management, Service Bus, Functions, Logic Apps, Log Analytics, Azure Monitor and Application Insights.
• Enable API-led and event-driven patterns that extend EDI and B2B flows to cloud SaaS and enterprise applications.
• Contribute to cloud integration initiatives and modernization of legacy middleware toward cloud-native and hybrid patterns.
• Lead L3 production support: troubleshoot complex integration issues, perform root cause analysis and drive permanent fixes.
• Support global EDI operations, including incident management, platform upgrades, disaster recovery planning, performance tuning and high availability of business-critical integration services.
• Implement automation, monitoring and DevOps best practices to improve reliability and accelerate delivery.
• Stay current on B2B, middleware and cloud integration trends, and share knowledge through documentation and mentoring.

What you'll need

• 10+ years of experience in enterprise B2B/EDI integration and middleware technologies.
• Strong hands-on expertise in at least one of: IBM DataPower Gateway, SAP Integration Suite, Mulesoft, Boomi, IBM Sterling B2B Integrator.
• Deep knowledge of Order-to-Cash (O2C) processes and ANSI X12 EDI transactions (850, 855, 860, 856, 810, 820, 997, 844, 845, 849, 852, 867).
• Proven experience with mapping and data formats: WTX/ITX, Sterling Maps, XML, XSD, XSLT, JSON, CSV and flat files.
• Strong working knowledge of B2B protocols (AS2, SFTP, FTPS, OFTP2, HTTPS) and integration security (SSL/TLS, PGP, certificates, OAuth, JWT).
• Working experience with Azure integration services (Service Bus, Functions, Logic Apps, API Management, Event Grid, Azure Monitor).
• Excellent communication skills and the ability to work effectively with business, technical and external partner stakeholders.

Nice to have

• IBM or SAP integration certifications.
• Experience in Pharma, Healthcare or Life Sciences industries, including chargebacks and rebates data flows.

Details

• Location: Bengaluru, Luxor North Tower.