Senior Software Engineer, Middleware & GitLab CI/CD

Sii Poland

Województwo wielkopolskie

On-site

PLN 180,000 - 240,000

Full time

4 days ago

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Job summary

Sii Poland is seeking an experienced Senior Developer to join a team focused on designing and developing integration solutions that automate enterprise platforms such as GitLab and Jira. You will create middleware, automation tools, and CI/CD components to improve software delivery and operational efficiency.

Your work includes designing robust integrations, building reusable services and APIs, and maintaining Linux-based tooling.

Qualifications

Min. 5 years in software development and integration solutions.
Strong knowledge of Python and Go.
Experience with GitLab CI/CD pipelines and reusable CI components.
Extensive experience building REST APIs.
Cloud technologies: Kubernetes, OpenShift, Azure.
Familiarity with Elastic Stack and Open Policy Agent is a plus.
English proficiency at least B2.

Responsibilities

Designing and developing middleware services and integration platforms using Python and Go.
Creating robust integrations between GitLab and Jira and other platforms like Elastic Stack and OPA.
Building reusable services, libraries, and APIs to automate and orchestrate processes.
Designing and implementing CI/CD components for GitLab.
Creating cloud applications and middleware.
Maintaining awareness of Linux system operations and Linux shell commands.