Customer Integration Specialist

OneRail is a technology company innovating solutions for multi-modal delivery. They have developed the OmniPoint SaaS platform that connects shippers to a courier ecosystem to automate and optimize the delivery supply chain. The platform uses proprietary algorithms and artificial intelligence to power same-day delivery programs for major clients.

• Bachelor's degree in Computer Science, Information Systems, Engineering, or equivalent.
• 2–5 years of experience with SaaS software or enterprise integrations.
• Experience working with REST API.
• Familiarity with JSON, XML, CSV, and data transformation.
• SQL knowledge 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.
• Experience in logistics, transportation, supply chain, or retail technology.
• Understanding of 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 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 build 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 customer infrastructure and connections.
• Ensure integrations meet security and performance requirements.

Cross-Functional Collaboration:

• Serve as technical liaison among Customer Success, Product, Engineering, and customers.
• Escalate product defects and enhancement requests with technical documentation.
• Collaborate with Engineering on complex custom development implementations.
• 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 with repeatable solutions.

Please be informed that the data controller is OneRail Poland Sp. z o.o. You have rights regarding your personal data processing in compliance with relevant regulations. Providing mandatory personal data is required for recruitment; refusal may hinder the recruitment process. Consent for additional data processing can be withdrawn at any time.