Full-stack Developer (10/937)

Java
Python
SQL
.NET
OpenTelemetry

SUMMARY

💰 130 - 150 PLN/h (B2B)

💰 15 600 – 18 000 PLN brutto (UOP)

📍 Hybrid - Cracow

💼 Mid/Senior


You will

  • Design, develop, and maintain scalable backend applications and RESTful APIs, primarily using Python.
  • Develop and support backend services across Python, Java, and .NET environments.
  • Design, optimize, and manage SQL databases, queries, and data models.
  • Implement and configure OpenTelemetry to enable end-to-end application observability.
  • Instrument applications to collect traces, metrics, and logs, supporting monitoring and troubleshooting.
  • Collaborate with DevOps and SRE teams to integrate telemetry with tools such as Prometheus, Grafana, and Splunk.
  • Automate infrastructure and deployment processes using Ansible.
  • Configure and maintain IIS-hosted web applications, ensuring high availability, security, and performance.
  • Work closely with frontend developers to integrate backend services and contribute to user-facing features.
  • Collaborate with cross-functional teams to deliver high-quality, scalable solutions.
  • Troubleshoot complex technical issues and continuously improve application performance, reliability, and code quality.


Must have

  • Strong experience in backend development with Python.
  • Commercial experience with Java and/or .NET.
  • Hands-on experience designing and developing RESTful APIs.
  • Strong SQL skills, including database design, optimization, and query development.
  • Experience with OpenTelemetry and application observability (traces, metrics, logs).
  • Practical knowledge of Ansible for automation and configuration management.
  • Experience deploying and maintaining applications hosted on IIS.
  • Strong debugging, analytical, and problem-solving skills.
  • Experience working with Git and modern software development best practices.
  • Excellent communication skills and ability to collaborate within cross-functional teams.


Nice to have

  • Experience with Prometheus, Grafana, or Splunk.
  • Knowledge of CI/CD pipelines and deployment automation.
  • Experience working with DevOps or SRE teams.
  • Familiarity with frontend development and modern web technologies.
  • Experience building scalable, highly available enterprise applications.
  • Understanding of application performance monitoring and distributed tracing best practices.


Our offer

  • Possibility to attend internal and external training
  • Relocation package (4500 PLN total value), paid in three installments (1500 PLN per month) in case your permanent presence in the office is mandatory, and you need to relocate from another city
  • Benefits: Extended medical care (over 2000 medical facilities in Poland, 80 in Kraków) for you and your family; Multisport Benefit card; life insurance
  • Remote work option

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