Integration Specialist
OneRail Poland Sp. z o.o.
Kraków, Poland • 23m ago • On-site
Mid
On-site
156,000 - 192,000 PLN/yr
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Quick Facts
- Role: Integration Specialist
- Design, configure, test, and support customer integrations during a SaaS implementation lifecycle
- Technical bridge between customers and internal teams
Description
Integration Specialist will design, configure, test, and support customer integrations to connect customer systems to a delivery orchestration SaaS platform. The role leads technical discovery, configures authentication and data mappings, validates end-to-end data flow before production launch, and supports go-live and complex post-go-live issues. You’ll also improve integration delivery through reusable templates, documentation, and automation.
Responsibilities
- Design, configure, and implement 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
- Build and execute integration test plans and validate end-to-end data flow prior to production launch
- Partner with Implementation Managers to develop technical implementation plans
- Troubleshoot API connectivity, data validation, and workflow issues
- Document technical configurations, decisions, and end-to-end integration/process flows
- 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; create knowledge base articles and customer-facing technical guides
- Improve implementation processes through automation and standardization
- Identify opportunities to reduce implementation timelines with repeatable solutions
Requirements
- 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
- 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 such as MuleSoft and Boomi
- 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 English & Polish proficiency (B2+), written and spoken
Benefits
- Hybrid work style (3–4 days from the office/week)
- Salary: 13,000–16,000 PLN/month
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