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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