Remote Backend & API Engineer | Python/Java/.NET

GFT TECHNOLOGIES SE

Kraków

On-site

PLN 142,848 - 229,896

Full time

14 days+

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Job summary

GFT Poland is seeking an Application Engineer to join a remote team delivering modern enterprise applications and APIs. You will work across backend services, observability, automation, and hosting to build scalable and secure solutions.

Key responsibilities include API design in Python, Java, and .NET; SQL data modeling; Ansible automation; and OpenTelemetry integration. Collaboration with cross-functional teams is essential for reliable delivery.

Qualifications

Strong experience with Python development.
Strong experience with Java development.
Strong experience with .NET development.
Experience designing and implementing RESTful APIs.
Advanced SQL and database management skills.
Hands-on experience with Ansible automation.
Practical experience with OpenTelemetry.
Experience collecting and analyzing traces, metrics, and logs.
Experience managing web applications using IIS.

Responsibilities

Design, develop, and maintain APIs using Python and relevant frameworks.
Develop and maintain backend services using Java and .NET technologies.
Create, optimize, and manage SQL databases, queries, and data models.
Automate infrastructure and deployment processes using Ansible.
Implement and configure OpenTelemetry for application observability.
Instrument applications to collect traces, metrics, and logs; integrate with Prometheus, Grafana, or Splunk.
Collaborate with frontend developers to ensure seamless integration of backend services.
Contribute to design and implementation of user-facing features.
Configure and manage IIS environments for web hosting.
Ensure high availability, scalability, and security of hosted applications.
Troubleshoot and resolve issues across the full tech stack.
Write clean, maintainable, efficient code.