Integration Specialist OneRails Technology Hub Poland

• 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.

• 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 extensive and detailed process and integration flows of customers existing infrastructure and how it will connect to OneRail.
• Ensure integrations meet security and performance requirements.

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

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

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

About OneRail

OneRail is a leading omnichannel fulfillment solution pairing best-in-class software with logistics as a service to provide dependability and speed to help businesses meet their delivery promise. With a real-time connected network of 12 million drivers OneRail matches the right vehicle for the right delivery so brands lower expenses and increase capacity to rapidly scale their businesses. This people-plus-platform approach features a 24/7 USA-based exceptions team who maintain a 98% on-time delivery rate. By optimizing fulfillment processes reducing costs and improving order accuracy with store-shelf-to-doorstep visibility OneRail is committed to empowering clients and improving the customer experience.

OneRail was named to the Deloitte Technology Fast 500 two years in a row was ranked 19th in the 2025 FreightTech 25 named for the fifth year in a row to the FreightTech 100 was honored as one of Inc. magazines Best Workplaces 2023 was listed on Forbes lists of Americas Best Startup Employers for the last three years was named to the Inc. 5000 two years in a row and was selected as the Last Mile Company of the Year for the 2024 SupplyTech Breakthrough Awards. To learn more about OneRail visit .