Senior AI Software Engineer - Legacy Modernization

DCG; Gdynia; On-site; PLN 180,000 - 320,000; Full time

Benefits offered by this job

Private medical care

Co-financing for sports card

Dedicated consultant support

Job summary

DCG is seeking a Senior AI Software Engineer to design and implement AI-driven migration and modernisation workflows for legacy applications. You will craft automation that analyzes code repositories and rewrites applications to approved stacks, while integrating with CI/CD and deployment platforms.

You will work with agentic tools and LLM providers to enable repeatable automation across vendor-agnostic frameworks, contributing to software engineering and platform automation in a collaborative,

Qualifications

• Strong programming skills in Python and solid understanding of software engineering fundamentals.
• Working knowledge of CI/CD concepts and containerized environments including Docker and Kubernetes basics.
• Hands-on experience with or strong interest in LLMs, AI-assisted development, prompting, agents and tool use.
• Ability to read, understand and work with code across multiple languages, including legacy code such as Java.
• Strong analytical and structured problem-solving skills with comfort in ambiguous environments.
• Good communication skills in English and collaborative mindset.

Responsibilities

• Design and improve AI agent workflows, prompts and tooling for legacy application modernisation.
• Develop automation that analyzes legacy code repositories and rewrites applications to approved technology stacks.
• Integrate AI-driven migration workflows with CI/CD and deployment platforms including Tekton, ArgoCD and Ansible.
• Work with agentic coding tools such as Claude Code and Maister.
• Utilize Anthropic and other LLM providers within the modernisation framework.
• Collaborate with application teams to transform migration use cases into repeatable automation.
• Support development of a vendor-agnostic framework for code migration and modernisation.
• Contribute to software engineering, platform automation and applied AI solutions.

Skills

Python

Git

CI/CD

Docker

Kubernetes

LLMs

Java

Code quality

English

Tools

Tekton

ArgoCD

Ansible

Job description

DCG is seeking a Senior AI Software Engineer to design and implement AI-driven migration and modernisation workflows for legacy applications. You will craft automation that analyzes code repositories and rewrites applications to approved stacks, while integrating with CI/CD and deployment platforms.

You will work with agentic tools and LLM providers to enable repeatable automation across vendor-agnostic frameworks, contributing to software engineering and platform automation in a collaborative,