T-Hub - AI Agents & LLM Engineer
Offer summary

(Summary generated by AI based on the full job description)

The project involves designing and deploying AI solutions based on ML, LLMs, and multi-agent architectures for enterprise applications. Required skills include Python, RAG, LangChain, LangGraph, SmolAgents, Google ADK along with experience in FastAPI, microservices, MLflow, Airflow. Responsibilities cover AI agent design, model optimization, integration into production systems, MLOps and LLMOps, plus ensuring security and compliance. Benefits include private healthcare, sports and training subsidies.

T-Hub - AI Agents & LLM Engineer

Company: T-Mobile

from: 3 August 2026
to: 2 September 2026
salary not specifiedcontract of employment (full-time)
Offer parameters
level:mid
working mode:remote
Warszawa, Mokotów
Warszawa, MokotówMarynarska 12View on map

Requirements

Operating system

Windows

Our requirements

  • Minimum 5 years of experience in Software Engineering, Machine Learning, Data Science or AI-related roles.
  • Strong hands-on experience designing and deploying AI agents and LLM-based applications in production environments.
  • Deep understanding of Transformer architectures, RAG systems, embeddings, vector databases, prompt engineering, context management and agent orchestration.
  • Expert-level proficiency in Python and modern AI frameworks.
  • Strong experience with LangChain, LangGraph, SmolAgents, Google ADK, CrewAI or similar agent frameworks.
  • Practical knowledge of building autonomous and multi-agent systems.
  • Experience implementing advanced reasoning patterns, planning strategies and tool-augmented AI workflows.
  • Strong understanding of software architecture, API development, microservices and distributed systems.
  • Experience with SQL, data preprocessing, ETL pipelines, feature engineering and large-scale data processing.
  • Experience with CI/CD pipelines and DevOps practices.
  • Knowledge of MLflow, Airflow or similar MLOps platforms.
  • Strong analytical, communication, and problem-solving skills.
  • Fluent English communication skills, both written and spoken. Nice to Have:
  • Experience with Generative AI evaluation frameworks and observability platforms (LangSmith, Arize, Galileo, Phoenix, etc.).
  • Experience fine-tuning open-source models and working with model serving frameworks.
  • Knowledge of graph-based AI architectures and knowledge graphs.
  • Experience implementing AI governance, guardrails, and Responsible AI practices.

Your responsibilities

  • Design, build and deploy solutions based on Machine Learning, LLMs and AI agents with a focus on enterprise production applications
  • Develop and implement AI-powered applications utilizing RAG, agentic workflows, multi-agent architectures and tool-calling frameworks.
  • Build and optimize data pipelines for training, validation and inference
  • Optimize models for performance, scalability and cost-effectiveness
  • Build scalable and cost-effective AI solutions leveraging cloud-native architectures.
  • Conduct integration with applications (FastAPI, microservices)
  • Implement MLOps and LLMOps processes, including automated training, testing, deployment, monitoring, evaluation, guardrails, and model retraining.
  • Design agent orchestration frameworks and advanced reasoning workflows for autonomous and semi-autonomous AI systems.
  • Integrate different AI models into production systems working closely with other engineering teams
  • Collaborate with data science, POs and IT teams to define requirements into implementation
  • Ensure security, compliance, reliability, and observability of deployed AI solutions.
Company

What we offer

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

  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • life insurance
  • flexible working time
  • corporate products and services at discounted prices
  • integration events
  • mobile phone available for private use
  • no dress code
  • parking space for employees
  • extra social benefits
  • sharing the costs of tickets to the movies, theater
  • holiday funds
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • employee referral program
  • charity initiatives
  • extra leave
  • Benefit Platform

Recruitment stages

  • 1.
    Let’s meet to better understand each other's expectations.
  • 2.
    Hiring Manager will receive your application after meeting.
  • 3.
    Technical meetings with the Hiring Manager and/or team.
  • 4.
    Time to decide!

T-Mobile

Working at T-Mobile’s T Hub will offer you an unique and highly rewarding experience on IT market. As a leader in the telecommunications industry, T-Mobile not only provides a platform to hone your technical skills but also empowers you to be a catalyst for innovation. You'll have the opportunity to work at the forefront of cutting-edge technologies, from 5G to IoT and AI, shaping the future of connectivity. Our commitment to fostering a diverse and inclusive workplace means you'll collaborate with a wide range of talented professionals, learning and growing together. T-Mobile encourages a culture of continuous learning and development, offering mentorship and support to help you thrive in your career.

This is how we work

T-Hub - AI Agents & LLM Engineer
I apply to:
T-Mobile
Warszawa, Mokotów
Pracodawca zbiera zgłoszenia przez swój system.
Przejdziesz na zewnętrzny formularz.

By clicking "Aplikuj" you confirm that you've read and accepted our Terms and Conditions.



This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Need more information?

  • Make sure the body of the offer doesn’t already include what you’re looking for.
  • Ask a question if you need more information you’re interested in.
  • We’ll forward your question to the employer and aim to provide a response within 3 business days.

Share this offer