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September 13, 2026

Senior Integration Engineer

Senior • On-site

20,000 - 25,000 PLN/yr

Warsaw, Poland

Quick Facts

  • Senior Integration Engineer (hands-on)
  • Location: Warsaw (hybrid)
  • Role summary: Design, engineer, and maintain a core transactional integration backbone connecting enterprise applications, data platforms, and cloud ecosystems across international operations.

Description

You will help build resilient, scalable event-driven architectures and system-to-system integration patterns for enterprise solutions, while providing technical leadership and hands-on engineering ownership across cloud integration pipelines. You will collaborate with international product owners, enterprise architects, and cross-functional teams in an Agile environment.

Responsibilities

  • Build and design resilient, scalable event-driven architectures and system-to-system integration patterns
  • Provide technical leadership: coding guidelines, code reviews, and engineering quality
  • Maintain code-level quality, test coverage, and production reliability across cloud integration pipelines
  • Work with international product owners, enterprise architects, and cross-functional Agile teams

Technical Profile & Core Competencies

  • Software Engineering & Architecture: Practical knowledge of REST and GraphQL APIs, event-driven architectures, messaging systems, microservices, and enterprise integration patterns; experience with distributed systems and system-to-system integrations.
  • AWS Cloud Platform (Core Focus): AWS Lambda, API Gateway, SQS, DynamoDB, DocumentDB, IAM, CloudWatch, and AWS networking.
  • Software Engineering & DevOps: Node.js (essential); Infrastructure as Code (Terraform); CI/CD pipelines; GitHub Actions or Azure DevOps; Linux/Shell scripting.
  • Technical Leadership: Experience mentoring or leading engineers (e.g., Tech Lead, Senior Engineer); establish engineering standards and perform rigorous code reviews; own production solutions.

Requirements

  • Senior Integration / Cloud Engineer, Tech Lead, or Senior Developer experience
  • Willingness to transition from consultancy/B2B project work to a long-term, stable in-house environment
  • Professional English fluency (written and spoken)

Benefits

  • Contract: Employment Contract (UoP) + Annual Performance Bonus
  • In-house stability: Permanent contract directly with an international enterprise
  • Flexible hybrid model: modern office in Warsaw with 1 day/week office commitment

Recruitment Process