Integrations Engineer — AI-Powered Connectors & APIs

Project44; Kraków; Hybrid; PLN 140,000 - 200,000; Full time

Job summary

Project44 in Kraków is hiring an Integrations Engineer to own end-to-end delivery of carrier and customer integrations across multiple modes, working hands-on with APIs, EDI, and flat-file data exchanges. You’ll help automate, adopt AI, and improve processes that scale impact across the team.

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

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.
• Strong analytical and troubleshooting skills with the ability to work through ambiguous problems.
• Comfort working in ticket-based environments with SLAs and competing priorities.
• 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 complex data, mapping, and tracking issues; identify root causes and drive durable fixes.
• Manage multiple integrations and support tickets in parallel while meeting SLA expectations.
• Actively manage your queue, prioritizing work based on customer impact, urgency, and business value.
• Document solutions, edge cases, and best practices to reduce repeat issues and improve onboarding.

Skills

API experience

EDI experience

Flat-file data exchange

Analytical skills

Troubleshooting

English communication

Ticket-based SLAs

Tools

Postman

JSON/XML

SQL

GitHub

Jira

Confluence

Observe/Kibana

Job description

Project44 in Kraków is hiring an Integrations Engineer to own end-to-end delivery of carrier and customer integrations across multiple modes, working hands-on with APIs, EDI, and flat-file data exchanges. You’ll help automate, adopt AI, and improve processes that scale impact across the team.

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