T Hub – Senior DevOps Engineer (AI)

T-Mobile Polska; Warszawa; Hybrid; PLN 220,000 - 300,000; Full time

Benefits offered by this job

Medical package

Training platforms: Percipio, Coursera

Additional day off on birthday/nameday

Flexible remote/office model

Job summary

T-Mobile Polska is seeking an experienced AI/DevOps professional to develop and operate advanced AI solutions, including chatbots and LLM-based applications. You will build on-premise and cloud RAG solutions using Kubernetes, Ansible, and Docker, and collaborate with international teams mostly remotely.

The role requires strong software engineering background (Python/Java), CI/CD expertise (Jenkins/ArgoCD), and cloud experience (Azure). English proficiency is essential.

Qualifications

• Must have degree in Computer Science or related field.
• Hands-on experience with Kubernetes, Ansible and Docker.
• Experience with CI/CD (Jenkins, ArgoCD) and monitoring (Grafana, Prometheus).
• Software engineering background with Python or Java.
• Experience with at least one cloud platform (Azure).
• Strong communication skills and high independence; English level C1.

Responsibilities

• Develop and operate complex AI solutions (chatbots, service bots, LLM-based apps).
• Build on-premise and cloud RAG solutions using Kubernetes, Ansible and Docker.
• Collaborate with international teams, primarily remote work.
• Use MS Teams for daily communication.
• Contribute to AI and automation projects.

Skills

Python/Java

Software engineering

English proficiency (C1)

Education

Degree in Computer Science

Tools

Kubernetes

Ansible

Docker

Jenkins

ArgoCD

Grafana

Prometheus

Langsmith

GitOps

Azure

Job description

Location: Warszawa, ul. Marynarska 12 or mostly remotely (office presence 1x/quarter)

T Hub is a dynamic, forward-thinking initiative where technology matters! We serve as the core of innovation within our organization, working on cutting-edge solutions in international projects across Deutsche Telekom Group.

What's next?

What you will do

• Develop and operate complex AI solutions (chatbots, service bots, LLM-based applications),
• Build on-premise and cloud RAG solutions using Kubernetes, Ansible and Docker,
• Collaborate with international teams, mainly working remotely,
• Use tools like MS Teams for daily communication,
• Contribute to ongoing projects in AI and automation areas

What do you bring

• Degree in Computer Science or similar,
• Practical experience with Kubernetes, Ansible, Docker,
• Experience with CI/CD (Jenkins, ArgoCD), monitoring (Grafana, Prometheus, Langsmith), GitOps,
• Software engineering background (Python, Java or similar),
• Experience with at least one cloud platform (e.g., Azure),
• High independence, strong communication skills,
• English at C1 level.

A plus, not a must:

• Experience in AI development (RAG, LangChain, LlamaIndex, MCP),
• Experience in web development (Java, Spring Boot, Angular/React/Vue)
• Stable employment based on employment contract,
• Medical package and life insurance,
• Access to training platforms: Percipio, Coursera, Rodos,
• Additional day off on birthday/nameday,
• Free parking space,
• Flexible remote/office model

Our offer for you:

Working at T-Mobile’s T Hub allows you to develop in an innovative tech environment, shaping modern AI, cloud and automation solutions. You'll collaborate within diverse, international teams and work with cutting-edge technologies, benefiting from a culture of continuous learning and development.