Senior Python AI Engineer — Legacy Modernization

Optiveum; Gdańsk; Hybrid; PLN 220,000 - 248,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Optiveum is seeking a Senior Python AI Engineer to join a client in the enterprise and banking sector. You will design and implement an AI-driven framework that analyzes legacy code and rewrites it onto modern stacks, blending software engineering, platform automation and AI.

The role is hybrid in Poland with 3 days in the office and locations in Gdańsk/Gdynia, Warsaw or Łódź. Strong Python, CI/CD, Docker/Kubernetes and LLM tooling experience, fluent English, and a collaborative mindset are

Qualifications

• Senior-level Python programming experience.
• Solid software engineering fundamentals: Git, reviews, testing, clean code.
• Working knowledge of CI/CD concepts and containerized environments (Docker, Kubernetes).
• Hands-on with LLMs and AI-assisted development (prompting, agents, tooling).
• Ability to read and understand code in multiple languages including legacy (e.g., Java).
• Analytical, structured problem-solving and comfort with ambiguity.
• Fluent English and collaborative attitude.

Responsibilities

• Design, build and improve agent workflows, prompts and tooling for legacy code migration.
• Connect the AI framework to CI/CD and deployment platforms (Tekton, ArgoCD, Ansible).
• Work hands-on with agentic coding tools (Claude Code, Maister) and various LLM providers.
• Collaborate with application teams to turn migration cases into repeatable automation.
• Maintain vendor-agnostic, clean, testable solution.

Skills

Python

Git

CI/CD

Docker

Kubernetes

LLMs

English

Problem-solving

Code reading (multi-language)

Tools

Claude Code

Maister

Tekton

ArgoCD

Ansible

Job description

Optiveum is seeking a Senior Python AI Engineer to join a client in the enterprise and banking sector. You will design and implement an AI-driven framework that analyzes legacy code and rewrites it onto modern stacks, blending software engineering, platform automation and AI.

The role is hybrid in Poland with 3 days in the office and locations in Gdańsk/Gdynia, Warsaw or Łódź. Strong Python, CI/CD, Docker/Kubernetes and LLM tooling experience, fluent English, and a collaborative mindset are