Lead Integration Engineer

ITConnect Sp. z o.o.; Warszawa; Hybrid; PLN 240,000 - 420,000; Full time

Job summary

ITConnect in Warsaw is seeking a Senior Systems Architect to lead integration design across R&D. You will define API-first architectures, implement scalable, secure integration patterns, and drive modernization aligned with enterprise standards.

With 15+ years in software engineering, you will mentor engineers, shape the technology roadmap, and ensure compliant infrastructure using Terraform, Kafka, Databricks, and CI/CD with GitHub Actions. Based in Poland, Warsaw.

Qualifications

• 15+ years of experience.
• Educational background in Computer Science, Software Development or Engineering.
• Proficient in Python / FastAPI.
• Experience with Databricks / Lakebase.
• Strong knowledge of REST APIs and Microservices.
• Familiarity with Kafka and event-driven architectures.
• Experience with Terraform and Infrastructure as Code.
• CI/CD with GitHub Actions.
• Distributed systems design expertise.
• Desirable: API Management.

Responsibilities

• Design and implement API-first architectures.
• Build reusable integration capabilities.
• Drive standardization of API contracts, schemas, and governance.
• Lead adoption of event-based integrations using Kafka.
• Define event standards and integration patterns.
• Implement Infrastructure as Code using Terraform.
• Define CI/CD standards using GitHub Actions.
• Improve observability, monitoring, and deployment automation.
• Participate in architecture and design reviews.
• Mentor engineers and promote engineering best practices.
• Drive technology modernization and technical roadmap execution.
• Ensure alignment with enterprise standards, security, and compliance.

Skills

REST APIs

Microservices

Python

FastAPI

Distributed Systems

Transparency

Communication

Mentoring

Education

Bachelor's degree in Computer Science, Software Development or Engineering

Tools

Databricks

Databricks Apps

Lakebase

Terraform

GitHub Actions

Kafka

Job description

Help modernise how Research and Development systems exchange data and support scientific work across the organisation.

Join a central integration team and contribute to creating scalable, secure, and maintainable integration solutions that accelerate innovation across R&D. The assignment offers significant ownership and the opportunity to help drive architecture, integration patterns, engineering practices, and technology direction.

• Design and implement API-first architectures.
• Build reusable integration capabilities.
• Drive standardization of API contracts, schemas, and governance.
• Lead adoption of event-based integrations using Kafka.
• Define event standards and integration patterns.
• Implement Infrastructure as Code using Terraform.
• Define CI/CD standards using GitHub Actions.
• Improve observability, monitoring, and deployment automation.
• Participate in architecture and Design reviews.
• Mentor engineers and establish engineering best practices.
• Drive technology modernization and technical roadmap execution.
• Ensure alignment with enterprise standards, security, and compliance requirements.
• Based in Poland.
• Strong skills in being transparent and available.
• 15+ years of experience.
• Educational background in Computer Science, Software Development or Engineering.
• Python / FastAPI.
• Databricks / Databricks Apps / Lakebase.
• REST APIs.
• Microservices.
• Kafka.
• Terraform.
• Infrastructure as Code.
• GitHub Actions.
• Distributed Systems Design.
• Highly desired: API Management.