Tech Stack
DevOpsAgileRESTPythonLinuxGitGitLab CISQL
Job Description, Responsibilities & Requirements
About the Position
Sii Polska is seeking a Senior Python Developer with DevOps experience (f/m/x) to join our team in Białystok, Poland. This role involves designing, developing, and maintaining scalable backend applications while driving DevOps automation using GitLab CI/CD. You will collaborate with cross-functional Agile teams to build reliable, high-performance solutions, automate deployment processes, and support production environments following modern software engineering and DevOps best practices.
Responsibilities
- Developing and maintaining scalable Python applications and backend services
- Building and optimizing GitLab CI/CD pipelines to automate build, testing, and deployment processes
- Creating SQL queries and UNIX/Linux shell scripts to support application functionality and operational automation
- Integrating applications with REST APIs, databases, and third-party services while troubleshooting production issues
- Collaborating with Agile teams to deliver high-quality software, participating in code reviews, and maintaining technical documentation
Requirements
- Minimum 5 years of professional experience in Python application development
- Strong proficiency in Python, object-oriented programming, GitLab CI/CD, Git, SQL, and UNIX/Linux shell scripting
- Good knowledge of REST APIs, relational databases (Oracle, PostgreSQL, MySQL, or SQL Server), and DevOps practices
- Familiarity with Docker, Kubernetes, cloud platforms (AWS, Azure, or GCP), and Python frameworks such as Flask, FastAPI, or Django will be an advantage
- Fluent English (minimum B2 level)
Nice to Have
- Knowledge of infrastructure automation tools such as Ansible or Terraform
- Previous work with testing frameworks such as PyTest or UnitTest
- Familiarity with monitoring and logging tools, including Prometheus, Grafana, ELK, or Splunk
- Experience with messaging technologies such as Kafka, RabbitMQ, or ActiveMQ
- Understanding of microservices architecture, DevSecOps, cloud-native development, and production release management
Salary
- 6000-8000 PLN per hour
We Offer
- Diverse client portfolio
- Wide range of technologies
- Stable employment
- Remote work option
- Contracts with global brands
- Great Place to Work in Europe
- Many experts to learn from
- Open and accessible management
About the Company
Sii Polska is a leading technology partner for prestigious global companies across various industries. With a strong commitment to innovation and quality, we offer a dynamic and inclusive work environment where you can grow and thrive.