About the Position

Expert AI Software Developer - Automation & Innovation Department

Are you in? Apply!

Responsibilities

Lead technical design and architecture for AI systems, ensuring scalability and reliability.
Guide team members (developers, AI engineers, data scientists) through best practices and code reviews.
Own cloud infrastructure strategy across AWS and GCP for AI workloads, including cost optimization and security.
Ensure system reliability and performance, troubleshooting distributed systems and optimizing resource usage.
Evaluate emerging technologies and recommend improvements to the tech stack.

Requirements

5+ years in software engineering, with 2+ years in AI projects.
Deep understanding of GenAI concepts – Transformers, Pretraining, Finetuning.
Proven experience leading technical teams (mentoring, code reviews, architecture decisions).
Ability to translate business goals into technical strategies.
Track record of delivering Software/AI projects from concept to production.
Strong understanding of agile methodologies.
Feeling comfortable with Scripting (Bash, Python).
Experience working with AI Engineers, System Architects, and Cloud Architects.
Problem solving mindset - ability to troubleshoot large-scale distributed systems, as well as help Engineers in their daily work.
Attention to detail.
Good English skills - B2+.

We Offer

The Automation & Innovation Department builds solutions powered by AI, GenAI, process automation (RPA, BPA, AIM) and data analytics/ML models running in GCP, AWS and Kubernetes 🤖☁️. We deliver a wide range of projects across T-Mobile - from network operations to sales and customer care, plus internal and international initiatives - with a strong focus on data platforms and data engineering (data lake/warehouse in BigQuery, ETL/ELT orchestration, data governance, data quality and security). Our portfolio includes things like conversational assistants for HR and sales, knowledge search tools for consultants, employee development apps or proactive customer communication systems.

We work in a fast, flexible environment with a startup-like mindset - we value creativity, rapid experimentation, and technologies that genuinely make teams’ work easier and improve customer experience. By combining AI + automation + data, we build solutions that shape the future of processes, services and technology at T-Mobile 🚀.

AI & Next-Gen Solutions Team is looking for an Expert to drive cutting-edge AI projects that shape the future of our products and services. We’re a passionate and collaborative team, proud of our growing portfolio of delivered products. What matters most to us is fostering a culture of innovation, ambition, responsibility, and compliance. These are the values that guide everything we do and help us grow together.

Benefits

Benefits for you and your loved ones: sports packages, medical care, life insurance.
Limitless growth: WeGrow - individual development plans, webinars and external trainings, Festiwal Rozwoju, access to learning platforms.
Celebrate in magenta style: an additional day off for your birthday/name day, anniversary leave, team-building events, internal contests.
Benefits tailored to your needs: access to the benefit platform, ZFŚŚ, unlimited phone offer (also for private use), special offer for T-Mobile products, as well as discounts from our partners.
Support, comfort, security: free parking spot and gym at the office (Warsaw, Marynarska), modem with Internet for home office, well-being and volunteering programs, Znam Talent - referral program, sports initiatives, DE&I employee resource groups.

Our Recruitment Process

Stage 1

Send your CV - remember to include information about the competences we are looking for (you will find them in the section WHAT DO YOU BRING?)

Stage 2

We will call you to tell you more about this position and to confirm your availability and expectations.

Stage 3

We will invite you to a meeting - this is the perfect moment to verify mutual expectations and get to know each other. We will be happy to get to know what motivates you, hear about your successes and expectations for your new job. During the conversation, you will learn more about our company, team and the tasks we have prepared for you from your direct superior or teammate.

Stage 4

Success? Welcome to T-Mobile!
We will give you access to the onboarding platform where you will provide your contract details and learn more about the company. You will also receive all necessary information about your first day and direct contact to your supervisor(s)/buddy. Welcome to #MagentaTeam!

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Expert AI Software Developer - Automation & Innovation Department

Job description