Python Developer

Qualient Technology Solutions UK Limited; Kraków; On-site; PLN 180,000 - 240,000; Full time

Job summary

Qualient Technology Solutions UK Limited is seeking a skilled backend engineer to design and build secure application services and APIs in a modern stack. You will drive technical design discussions, translate requirements into robust solutions, and troubleshoot complex production issues while improving reliability and collaborating across teams.

Excellent English is required for day-to-day communication with colleagues.

Qualifications

• Proficient in Python (3.11+) with strong OO fundamentals.
• Hands-on Django/FastAPI and TypeScript frameworks.
• Excellent spoken English for day-to-day collaboration.
• Strong understanding of RESTful API design.
• Experience with CI/CD and DevOps tooling.
• Experience with GCP, Kubernetes, Terraform, and Helm.
• Experience with PostgreSQL.
• Analytical mindset, learning agility and problem-solving.

Responsibilities

• Design and build secure application services and APIs.
• Drive technical design discussions and translate requirements into robust solutions.
• Troubleshoot complex production issues and lead root-cause analysis.
• Improve service reliability and resilience through proactive engineering practices.
• Work independently with strong ownership while collaborating across teams.

Skills

Python

Django

FastAPI

TypeScript

Angular

NestJS

English

REST API

CI/CD

Jenkins

GitHub Actions

GitLab CI

GCP

Kubernetes

Terraform

Helm

PostgreSQL

Analytical mindset

Tools

Jenkins

GitHub Actions

GitLab CI

Kubernetes

Terraform

Helm

Job description

• Design and build secure application services and APIs.
• Drive technical design discussions and translate requirements into robust solutions.
• Troubleshoot complex production issues and lead root-cause analysis.
• Improve service reliability and resilience through proactive engineering practices.
• Work independently with strong ownership while collaborating across teams.

SKILLS & EXPERIENCE REQUIRED

• Strong Python skills (Python 3.11+ preferred) and solid object-oriented programming fundamentals.
• Hands-on experience with Django/FastAPI and TypeScript frameworks (Angular/NestJS).
• Excellent spoken English communication skills for day-to-day collaboration with teammates.
• Strong understanding of RESTful API design best practices.
• Familiarity with CI/CD and DevOps tooling (Jenkins, GitHub Actions, GitLab CI).
• Experience with GCP, Kubernetes, Terraform, and Helm.
• Experience with relational databases, preferably PostgreSQL. PUBLIC
• Strong analytical mindset, learning agility, and a problem-solving approach.

Nice to have:

• Basic understanding of open-source software licenses (e.g., Apache-2.0, MIT, GPL) and their practical implications in software delivery.
• Familiarity with modern Python tooling (uv, Ruff, Rye) and Git workflows.
• Familiarity with Go and Java.
• Familiarity with identity protocols and standards: SAML, OAuth2, OpenID Connect.
• Proficiency with AI-assisted engineering tools such as Claude Code and Codex.
• Familiarity with OpenTelemetry and OpenAPI.
• Visible technical engagement (blogging, GitHub portfolio, open-source contributions).