Principal Software Engineer– EDI & Integrations, EDI and Integrations

About the role

We are seeking a Software Engineer specializing in EDI & Integrations, with experience in enterprise B2B/EDI integration and Integrations middleware technologies, to drive technical excellence, platform ownership, and seamless integration across GSK's Commercial and External Partner ecosystems. This role demands deep technical expertise in EDI & middleware Technologies. The engineer will partner with Product Management, Partner Operations, and business stakeholders to deliver secure, scalable, and reliable integration solutions.

Key Responsibilities

Platform Ownership & Technical Leadership

• Design, develop, implement, and support end-to-end B2B, EDI, and cloud integration solutions including configurations and customizations.

• Serve as a technical authority for EDI and integration design, defining canonical data models, reusable patterns, and coding standards.

• Implement and enforce ITMS (IT Management System) 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.
• EDI Mapping, Transformation & Order-to-Cash Expertise

• Apply strong expertise in Order-to-Cash (O2C) business processes and EDI transactions.

• 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.

Trading Partner Onboarding, Protocols & Security

• Lead EDI partner onboarding, B2B integrations, and trading partner management, from requirements and testing through certification and go-live.

• Configure and support B2B communication 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.

Azure Cloud Integrations & API Enablement

• Develop scalable integrations using Azure services – 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 integration patterns.
• Production Support, Operations & Continuous Improvement

• 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, 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.

Required Qualifications

• 10+ years of experience in enterprise B2B/EDI integration and middleware technologies.

• Strong hands-on expertise in at least one of the EDI & Integrations technologies (IBM DataPower Gateway, SAP Integration Suite, Mulesoft, Boomi, IBM Sterling B2B Integrator).

• Deep knowledge of 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.

Preferred Qualifications

• IBM or SAP integration certifications.

• Experience in Pharma, Healthcare, or Life Sciences industries, including chargebacks, rebates data flows.

AGTech

GSK-LI

Skills

Application Integrations, Application Programming Interface (API) Security, CI/CD, Cloud Engineering, Configuration Management (CM), Database Management, Data Engineering, Data Integration, Front-End Development, Internet of Things (IoT), Mobile Development, RESTful API Design, Security System Design, Software Development Life Cycle (SDLC), Version Control, Web Development

Why GSK?

Uniting science, technology and talent to get ahead of disease together.

GSK is a global biopharma company with a purpose to unite science, technology and talent to get ahead of disease together. We aim to positively impact the health of 2.5 billion people by the end of the decade, as a successful, growing company where people can thrive. We get ahead of disease by preventing and treating it with innovation in specialty medicines and vaccines. We focus on four therapeutic areas: respiratory, immunology and inflammation; oncology; HIV; and infectious diseases – to impact health at scale.

People and patients around the world count on the medicines and vaccines we make, so we’re committed to creating an environment where our people can thrive and focus on what matters most. Our culture of being ambitious for patients, accountable for impact and doing the right thing is the foundation for how, together, we deliver for patients, shareholders and our people.

Inclusion at GSK

As an employer committed to Inclusion, we encourage you to reach out if you need any adjustments durin