Customer Integration Specialist

OneRail Poland Sp. z o.o. is a technology company innovating multi-modal delivery solutions through its OmniPoint SaaS delivery orchestration platform that automates and optimizes the delivery supply chain for major companies like Lowe’s, Pepsi, and Advance Auto Parts.

• Bachelor's degree in Computer Science, Information Systems, Engineering, or equivalent experience.
• 2–5 years of experience implementing SaaS software or enterprise integrations.
• Experience working with REST APIs.
• Familiarity with JSON, XML, CSV, and data transformation.
• Knowledge of SQL for data validation.
• Understanding of authentication methods such as OAuth and API Keys.
• Experience with Postman or similar API testing tools.
• Familiarity with middleware/iPaaS platforms (e.g., MuleSoft, Boomi).
• Ability to manage multiple implementation projects simultaneously.
• Experience in logistics, transportation, supply chain, or retail technology.
• Understanding webhooks and event-driven architecture.
• Experience in a customer-facing SaaS environment.
• Strong troubleshooting and analytical skills.
• Advanced proficiency in English and Polish (B2+).

Customer Integrations:

• Design, configure, and implement customer integrations using APIs, webhooks, SFTP, EDI, and flat-file exchanges.
• Lead technical discovery sessions to understand customer system architecture and business workflows.
• Configure integration mappings, authentication methods, and data transformations.
• Validate end-to-end data flow prior to production launch.

Technical Delivery:

• Partner with Implementation Managers to develop technical implementation plans.
• Build and execute integration test plans.
• Troubleshoot API connectivity, data validation, and workflow issues.
• Document technical configurations and implementation decisions.
• Create detailed process and integration flows of customers' existing infrastructure.
• Ensure integrations meet security and performance requirements.

Cross-Functional Collaboration:

• Serve as technical liaison between Customer Success, Product, Engineering, and customers.
• Escalate product defects and enhancement requests with clear documentation.
• Collaborate with Engineering on complex implementations requiring custom development.
• Assist Support with post-go-live integration issues.

Process Improvement:

• Develop reusable integration templates and documentation.
• Improve implementation processes via automation and standardization.
• Create internal knowledge base articles and customer-facing technical guides.
• Identify opportunities to reduce implementation timelines through repeatable solutions.

Please be informed that the data controller is OneRail Poland Sp. z o.o. You have rights regarding your personal data as detailed in the offer. Provision of certain data is mandatory under Polish Labour Code; refusal may impede recruitment. Consent can be withdrawn any time. Data is processed until recruitment completion and for legal claims periods, and possibly for future recruitments with consent.