Full Stack Developer (Senior) 0362

About the Role

You will play a key role in delivering a large-scale
eInvoicing platform , enabling seamless exchange of financial documents across internal systems and external partners.
This role combines
architecture, hands-on development, and leadership , requiring deep expertise in SAP, enterprise integration, and modern cloud technologies.

Key Responsibilities

Architecture & Integration

• Translate business requirements into scalable technical designs aligned with SAP, EAI, and cloud platforms
• Design and lead integrations across complex environments (120+ interfaces)
• Define and implement robust message formats (IDoc, XML, JSON)
• Evaluate and modernise existing integration landscapes

Development & Delivery

• Perform hands-on Java development for enterprise integration components
• Design and implement IDoc to XML/JSON transformations for partner and banking integrations
• Lead end-to-end implementation across multi-system environments
• Support deployment and production readiness

Monitoring & Observability

• Build end-to-end dashboards (e.g. Splunk or similar) integrating upstream and downstream data
• Implement monitoring, logging, and observability for distributed systems
• Provide real-time visibility into system health, transactions, and performance
• Enable proactive issue detection through early warning indicators

Cloud & Platform Engineering

• Work with Azure Cloud and SAP Cloud Platform (SCP)
• Drive modernisation using event-driven architectures (Kafka, cloud-native solutions)
• Collaborate with DevOps teams on CI/CD, automation, and infrastructure

Testing, Reliability & Optimisation

• Lead test automation across integration, end-to-end, and regression testing
• Drive performance tuning, capacity planning, and system scalability
• Define operational runbooks and deployment processes
• Ensure high availability and reliability across integration platforms

Leadership & Strategy

• Engage stakeholders to gather, prioritise, and refine requirements
• Lead migration planning and recommend future-state architectures
• Mentor and coach developers and engineers
• Drive best practices across design, testing, and delivery

Essential Skills & Experience

• Strong Java development experience in enterprise environments
• Deep expertise in enterprise integration (EAI) and middleware patterns
• Solid SAP FI knowledge and integration experience
• Hands-on experience with IDocs and mapping to XML/JSON
• Experience building E2E monitoring dashboards (e.g. Splunk or similar)
• Strong experience with Azure Cloud and SAP Cloud Platform
• Proven ability to design and operate large-scale integration landscapes
• Strong stakeholder engagement and communication skills

Advantageous

• Experience with eInvoicing or financial systems
• Apache Kafka / event-driven architectures
• SAP integration technologies (PI/PO, CPI, BAPI)
• Docker, Kubernetes, AKS
• CI/CD pipelines (Azure DevOps, GitHub Actions, Terraform)
• Security and compliance in financial integrations
• Synthetic monitoring, SLOs, and alerting frameworks
• Dashboarding and reporting tools (WIZ, BI tools)
• AI-driven automation or analytics within integration environments

Qualifications

• Degree in Computer Science, Software Engineering, or related field
• 5+ years experience in enterprise integration, middleware, or systems architecture
• Proven delivery of complex integration solutions across multiple systems