Application Consultant (Kraków, PL, 30-302)

GFT Technologies SE; Polska; Hybrid; PLN 138,000 - 179,000; Full time

Benefits offered by this job

Hybrid work

Kraków on-site days

Job summary

GFT Technologies SE is seeking an experienced backend engineer in Poland to design, develop, and maintain APIs and services using Python, Java, and .NET. You will implement observability with OpenTelemetry, automate with Ansible, and manage SQL data models while hosting on IIS.

The role requires collaboration with cross-functional teams and a hybrid work setup at Kraków, six days per month. The ideal candidate has strong backend skills, solid SQL knowledge, and experience with monitoring tools

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.
• Strong troubleshooting and problem-solving skills.
• Excellent communication and collaboration skills.
• Knowledge of software development best practices.
• Openness to work hybrid from our client’s office (Kraków) 6 days a month.

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 telemetry data with monitoring platforms such as Prometheus, Grafana, or Splunk.
• Collaborate with frontend developers to ensure seamless integration of backend services.
• Contribute to the design and implementation of user-facing features.
• Configure and manage IIS environments for web application hosting.
• Ensure high availability, scalability, and security of hosted applications.
• Troubleshoot and resolve issues across the full technology stack.
• Write clean, maintainable, and efficient code.
• Follow best practices related to version control, testing, and deployment.
• Work closely with stakeholders and cross-functional teams to deliver business solutions.

Skills

Python development

Java development

.NET development

RESTful APIs

SQL databases

Ansible automation

OpenTelemetry

Observability

Web hosting

Troubleshooting

Communication

DevOps practices

Hybrid work

SRE collaboration

Tools

Ansible

OpenTelemetry

Prometheus

Grafana

Splunk

IIS

Job description

Type of contract: B2B contract

Salary range: 100 - 130 PLN/H

What will you do?

You will join a team responsible for designing, developing, and maintaining modern enterprise applications and APIs across a diverse technology landscape. The role combines backend engineering, observability, automation, and web application hosting, requiring close collaboration with cross-functional teams to deliver scalable, reliable, and secure solutions.

Your tasks

• 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 telemetry data with monitoring platforms such as Prometheus, Grafana, or Splunk
• Collaborate with frontend developers to ensure seamless integration of backend services
• Contribute to the design and implementation of user-facing features
• Configure and manage IIS environments for web application hosting
• Ensure high availability, scalability, and security of hosted applications
• Troubleshoot and resolve issues across the full technology stack
• Write clean, maintainable, and efficient code
• Follow best practices related to version control, testing, and deployment
• Work closely with stakeholders and cross-functional teams to deliver business solutions

Requirements

• 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
• Strong troubleshooting and problem-solving skills
• Excellent communication and collaboration skills
• Knowledge of software development best practices
• Openness to work hybrid from our client's office (Kraków) 6 days a month

Nice to have

• Experience with Prometheus
• Experience with Grafana
• Experience with Splunk
• Experience working in DevOps environments
• Experience collaborating with SRE teams
• Frontend development experience