Python Engineer with DevOps

Virtus Lab sp. z o.o. (Ltd.); Kraków; On-site; PLN 180,000 - 260,000; Full time

Job summary

VirtusLab is seeking a Python Engineer with DevOps to join our Kraków team. You will develop robust backend services and APIs, focusing on clean code, test automation, and scalable architecture.

Expect strong Python expertise, Docker and Kubernetes proficiency, and hands‑on CI/CD experience across GitLab/GitHub/Jenkins. Proficiency with SQL/NoSQL databases and IaC tools is essential, plus upper‑intermediate English (B2/C1).

Qualifications

• Strong proficiency in Python with maintainable code and test‑automation frameworks.
• Experience with FastAPI, Django, Asyncio or similar Python web frameworks.
• Deep understanding of relational and NoSQL databases, including schema design and query optimization.
• Proven ability to design and maintain robust CI/CD pipelines across tools like GitLab CI, GitHub Actions, or Jenkins.
• Hands‑on experience with Docker and container registry management to optimize images and builds.
• Hands‑on experience with Kubernetes for deploying and operating containerised workloads.
• Experience with Infrastructure as Code tools (Terraform/OpenTofu) and configuration management (Ansible).
• Proficient in Git workflows (GitOps, MR/PR processes).
• Good command of English (B2/C1).

Responsibilities

• Build and maintain backend services and APIs with clean, scalable Python code.
• Design and implement robust CI/CD pipelines to ensure automated testing and deployment.
• Develop and optimise Docker images and container registry workflows for efficiency.
• Deploy and manage Kubernetes clusters and workloads in production environments.
• Create and maintain IaC and automation to provision and configure environments.

Skills

Python & API development

Python Web Frameworks

Databases (SQL/NoSQL)

CI/CD

Docker

Kubernetes

IaC (Terraform)

Jenkins

Artifactory

Tools

Git

Job description

VirtusLab is a leading European software consulting and engineering company. Our mission is to craft clean code and practical solutions with precision and purpose. We foster a dynamic culture rooted in strong engineering, self‑ownership, and transparency, and empower professionals to have an impact in the software industry.

Python Engineer with DevOps

Details:

Python Engineer with DevOps

Required skills:

• Python & API development: Advanced
• Python Web Frameworks (FastAPI, Djnago, Asyncio, others): Regular
• Relational & Non‑relational databases (SQL, NoSQL): Regular
• CI/CD: regular
• Docker: Senior
• Kubernetes: regular
• IaC (terraform): regular
• Jenkins: regular
• Artifactory: nice to have

What we expect in general?

• Strong proficiency in Python with experience in building clean, maintainable code, test‑automation frameworks, and backend services (e.g., FastAPI, Flask).
• Solid understanding of database systems, both relational (SQL) and non‑relational (NoSQL), including schema design and query optimisation.
• Hands‑on experience with containerisation (Docker) and container registry management, focusing on optimising image sizes and build times.
• Hands‑on experience with Kubernetes, including deploying, configuring, and managing containerised applications, services, and workloads.
• Experience with Infrastructure as Code tools (e.g., Terraform, OpenTofu) and configuration‑management tools (e.g., Ansible) to provision and configure environments.
• Proven track record of designing, maintaining, and optimising robust CI/CD pipelines (e.g., GitLab CI, GitHub Actions, Jenkins) to support automated testing and artifact deployment.
• Experience in designing and executing performance, stress, and latency testing solutions, with a strong focus on tracking capacity and system metrics.
• Strong proficiency with Git (version control, branching strategies, conflict resolution) and Git‑based workflows (e.g., GitOps, Pull/Merge Requests).
• Good command of English (B2/C1).