T-Hub - AI Engineer

T-Hub - AI Engineer

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Form of Employment:** Contract of Employment

Location: Warsaw/Remote/Hybrid work model

Have you ever asked yourself whether you'd rather work in a big-tech, software house or startup? At home or in the office? In international teams or polish? At T Hub, there's one answer - **YES!

T Hub Poland** is a dynamic, forward-thinking division in T-Mobile Poland, where technology matters! It’s a place where best talents converge to ideate, prototype, and implement cutting-edge solutions in international projects held in Deutsche Telekom Group.

The PFAU application supports the end-to-end management of Telekom’s subsidized fiber optic expansion program. The platform covers key business processes, including offer and quotation management, contract handling, subsidy settlement, and invoice processing.

Currently, PFAU is undergoing an extensive phase of further development and scaling. To accelerate delivery of new features, additional teams are being established and working in parallel with existing teams. This setup requires strong collaboration and effective coordination across shared application components.

A key strategic focus of the project is the integration and development of AI-driven functionalities within the platform. Therefore, hands-on experience with AI integration and modern AI frameworks is considered a significant advantage.

The majority of development efforts are focused on building new features and driving innovation, with only a limited share of activities related to bug fixing and legacy system migration

What tasks await you?

• Develop and enhance backend services using Kotlin, Java, and Spring Boot
• Design and implement AI-supported functionalities within the PFAU application
• Integrate AI models and external AI APIs into enterprise software solutions
• Work with Python-based AI and data processing frameworks
• Collaborate with existing agile development teams in a SAFe environment
• Support the build-up of AI know-how and best practices within the nearshore team
• Ensure maintainable, scalable, and high-quality software architecture
• Coordinate development activities across parallel teams working on shared components
• Participate in CI/CD and DevOps-related activities where required

What skills will be appreciated?

Backend & Software Development

• Strong experience with Kotlin and Java
• Proficiency in Spring Boot framework
• Experience with JavaScript (TypeScript)
• Solid knowledge of relational databases, particularly PostgreSQL
• Familiarity with GitLab and **Jira

AI & Data Engineering**

• Experience in training, integrating, and deploying AI models within software solutions
• Proficiency in Python and data analysis libraries such as Pandas
• Experience working with Jupyter Notebooks and Matplotlib
• Hands-on experience with LangChain and/or LangGraph
• Practical knowledge of OpenAI APIs
• Understanding of Prompt Engineering principles

Nice-to-Have Skills

• Frontend experience with Vue.js
• Familiarity with Open Telekom Cloud
• Experience with Kubernetes and Kafka

Additional Requirements

• Experience working in agile environments (preferably SAFe)
• Strong communication and coordination skills
• Ability to work independently in distributed teams
• Interest in modern AI technologies and **enterprise AI integration

Our offer for you**

Working at T Hub will offer you an unique and highly rewarding experience on IT market. As a leader in the telecommunications industry, we do not only provide a platform to hone your technical skills but also empower you to be a catalyst for innovation.

You'll have the opportunity to work at the forefront of modern technologies, from 5G to IoT and AI, shaping the future of connectivity.

Benefits

• No dress code

  • you can just be yourself here

• Medical,
  
  sport and life insurance
  
  packages at preferential terms

• Access to: Percipio, Coursera, Rodos learning platforms

• Access to our products and
  
  services at preferential terms

• Employment contract-based cooperation

• Know Talent - receive training
  
  or financial bonus for
  
  recommending new
  
  employees

What will your recruitment process be like?

A fair approach to all people who want to join T Hub means that:

• The recruitment process is transparent;
• Our recruitment decision is based solely on an assessment of your skills (your race, skin color, sexual orientation, gender identity, origin, disability, political view, appearance, or religion will not have any influence on yhe outcome of the process);
• Regardless of the outcome of the process, you will get detailed feedback.

Who are we?

We're one of the four European technological hubs of the Deutsche Telekom group, to which T-Mobile belongs. Thanks to this, you have the opportunity to work on global projects as well as collaborate with business partners from various industries. Whether it's automotive, security, banking, or countless other options - be sure to explore them all!