Application Engineer (Kraków, PL, 30-302)

GFT Technologies SE; Polska; Hybrid; PLN 13,000 - 21,000; Full time

Benefits offered by this job

Hybrid work Kraków office

Medical insurance

Lunch subsidy

Life insurance

Online training

Access to e-learning platform

Social events

Job summary

GFT Technologies SE seeks a backend engineer in Poland to design, develop, and maintain enterprise applications and APIs across a diverse technology stack. You will collaborate with cross-functional teams to deliver scalable, reliable, and secure solutions, while building observability into applications with OpenTelemetry.

The role emphasizes API design, SQL database work, and automation using Ansible, with hybrid work from Kraków and strong emphasis on collaboration and security.

Qualifications

• Experience designing RESTful APIs.
• Backend services in Python/Java/.NET.
• Advanced SQL and database management.
• Experience with Ansible automation.
• Exposure to OpenTelemetry observability.

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.
• 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.

Skills

Python

Java

.NET

REST APIs

SQL

Ansible

OpenTelemetry

Telemetry

IIS

Troubleshooting

Communication

Best practices

Job description

Type of contract: Employment contract

Salary range: 12800 - 20600 PLN gross

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

Your skills

• 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

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

We offer

• Hybrid work in our client's office (Kraków) 6 days a month
• Working in a highly experienced and dedicated team
• Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)
• Online training and certifications
• Access to e-learning platform
• Social events