Senior SAP / Ariba Integration Engineer

Outstaff Hiring: Remote – Contract (Full-time, long-term)

About the Role

We’re looking for a Principal SAP / Ariba Integration Engineer to support an enterprise SAP integration program.

This is a senior hands-on technical leadership role focused on SAP Ariba integrations, platform configuration, and backend engineering.

You’ll own the technical direction of the Ariba integration, working across SAP Ariba SIM/SLP, Cloud Integration Gateway (CIG), Ariba APIs, Java/Spring Boot backend services, and AWS.

Location: Remote (EU)

Engagement: Full-time contract

Start Date: ASAP

Language: English

Experience: 4+ years

Time Zone: At least 4 hours overlap with Eastern US working hours

What You’ll Do

• Architect and develop Java-based solutions integrating SAP Ariba with backend enrichment and risk data services
• Own the technical roadmap for SAP Ariba integrations
• Configure and support SAP Ariba SIM/SLP workflows, approval rules, custom fields, and risk modules
• Build and maintain integrations using Ariba APIs and Cloud Integration Gateway (CIG)
• Lead architecture decisions across Ariba configuration, backend integrations, and infrastructure
• Troubleshoot complex SAP Ariba configuration and integration issues
• Serve as the primary technical expert for SAP Ariba
• Work with product, engineering, and client-facing teams on technical strategy and roadmap
• Define development and configuration best practices
• Conduct code reviews and mentor engineers
• Lead a small engineering team supporting the Ariba connector

Must-Have Requirements

• 5+ years of experience working with production applications using Java and Spring Boot
• Deep hands-on experience with SAP Ariba
• Strong experience with the Ariba Developer Portal, including application registration, OAuth, API keys, and token management
• Experience with Ariba Supplier Data API, including pagination and bulk data handling
• Hands-on experience with Cloud Integration Gateway (CIG) for ERP synchronization
• Strong understanding of Ariba approval workflows and custom fields, including platform limitations and common failure scenarios
• Experience configuring SAP Ariba SIM/SLP, including:
• Approval workflows
• Custom fields
• Risk modules
• Experience building backend integrations using event-driven architectures
• Experience with AWS, including orchestration technologies such as Step Functions
• Experience with NoSQL databases such as DynamoDB
• Experience using AI-assisted coding tools such as Cursor, Copilot, or Claude Code
• Strong knowledge of API authentication, credential management, performance, and security best practices

SAP Knowledge

Working knowledge of:

• SAP S/4HANA
• SAP Cloud for Credit
• SAP Business Technology Platform (BTP)
• SAP Cloud Application Programming Model (CAP)
• SAP UI5

Nice-to-Have

• Cloud Foundry experience
• Experience with credit or financial systems
• Experience integrating third-party SaaS platforms

Soft Skills

• Strong technical leadership
• Excellent communication and presentation skills
• Strong architectural and strategic thinking
• Strong decision-making and problem-solving skills
• Experience mentoring and leading engineering teams
• Proven experience delivering complex software integration projects