Senior Integration Engineer – SAP, Enterprise Interfaces

🕒 May 4

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Glückliche Gäste GmbH

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2017

🛍️ eCommerce

📚 Education

eCommerce • Food • Education

Glückliche Gäste GmbH is a company focused on providing comprehensive solutions for businesses in the food sector. They specialize in digitalization, business concepts, and industry-specific solutions, aiming to maximize the potential of their clients' operations. Their offerings include support for startups, training modules, and various marketing materials tailored for the hospitality and food industry, all designed to foster a sustainable and healthy society.

📋 Description

• You will build the integration domain of the Personal.manager (PM) as an engineer — not merely as a middleware configurator. • REST endpoints for master data and lookups, and event- and webhook-based output for transactional data (absences, time entries, shift schedules, entitlements, payroll-relevant status changes). • DB outbox pattern, worker logic, retry and dead-letter handling. • Integration with EMQX as an internal event bus. • Versioned payload contracts and an auditable integration history. • Implement flows programmatically: custom scripts, adapter logic, and transformations. Keep PM ↔ SAP mappings testable and versioned. • Build clear error channels and perform technical coordination with our customers' SAP teams.

🎯 Requirements

• You write code daily. • You routinely build REST APIs and event-driven integrations in Node.js/TypeScript (or a comparable stack). • You are familiar with PostgreSQL. • You have hands-on experience with the tools of robust integrations: outbox pattern, idempotency, retry strategies, dead-letter queues, webhooks, MQTT/AMQP brokers (EMQX, RabbitMQ, Kafka, etc.), structured logging, correlation IDs, and versioned contracts. • You think of interfaces as systems with clear contracts. • An integration is not “finished” for you until it runs unattended overnight, recovers from errors, and makes the events transparent. • Especially valuable: experience with SAP Integration Suite (Cloud Integration / CPI), particularly its programmatic extension points (Groovy scripting, custom adapters, custom flow logic). • Experience with regulated customer environments, DMZ gateways, and audit-compliant logging. • Experience with SaaS platform architectures, API design, and event-driven architectures.

🏖️ Benefits

• 100% remote, hybrid, or on-site in St. Wendel. • Competitive salary reflecting experience and responsibility. • 30 days vacation. • Modern office with a shower, washing machine, and an espresso machine.