End-to-End Integrations Engineer (API/EDI)

Capital Factory; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

project44 in Kraków is seeking an Integrations Engineer to own end-to-end delivery of API, EDI, and flat-file integrations across multiple modes, including FTL, LTL, Parcel, Ocean, and Air. You’ll work hands-on with APIs, EDI, and flat files, driving automation and AI-enabled improvements that scale impact across the team.

You will collaborate with Product, Engineering, Customer Success, Support, and Sales to unblock delivery, translate technical constraints for non-technical stakeholders, and

Qualifications

• 3+ years of experience in technical integrations, technical operations, or implementation roles.
• Hands-on experience with APIs, EDI, and/or flat-file data exchange.
• Clear written and verbal communication skills in English.

Responsibilities

• Own end-to-end delivery of integrations from technical review through testing and go-live.
• Configure, validate, and troubleshoot integrations using APIs, EDI, and flat-file connections.
• Investigate data, mapping, and tracking issues; identify root causes and drive durable fixes.
• Document solutions, edge cases, and best practices to reduce repeat issues and improve onboarding.

Skills

Analytical reasoning

Troubleshooting

English communication

Tools

Postman

JSON/XML

SQL

GitHub

Jira

Confluence

Observe/Kibana

Job description

project44 in Kraków is seeking an Integrations Engineer to own end-to-end delivery of API, EDI, and flat-file integrations across multiple modes, including FTL, LTL, Parcel, Ocean, and Air. You’ll work hands-on with APIs, EDI, and flat files, driving automation and AI-enabled improvements that scale impact across the team.

You will collaborate with Product, Engineering, Customer Success, Support, and Sales to unblock delivery, translate technical constraints for non-technical stakeholders, and