Senior Data Scientist at AT&T

Brno, South Moravian Region, Czechia

AT&T Logo
Not SpecifiedCompensation
Senior (5 to 8 years)Experience Level
Full TimeJob Type
UnknownVisa
Telecommunications, TechnologyIndustries

Requirements

  • Advanced skills in Python, including FastAPI, async I/O, typing/mypy, packaging, testing (pytest), performance profiling, and dependency management
  • Advanced skills in AutoGen (multi-agent orchestration) and Langfuse (observability)
  • Expertise in large language models (LLMs), prompt engineering, and advanced context management
  • Experience with frameworks like LangGraph and AutoGen
  • Ability to design, develop, and integrate intelligent systems focused on LLMs
  • Knowledge of Retrieval-Augmented Generation (RAG) and next-gen AI agents
  • Proficiency in software engineering best practices, code quality, testing, DevOps, and secure, ethical AI automation

Responsibilities

  • Design, optimize, and evaluate prompts for LLMs to achieve precise, contextually appropriate outputs across diverse use cases
  • Architect and implement dynamic context management strategies, including session memory, retrieval-augmented generation, and user personalization to enhance agent performance
  • Build and manage agentic workflows and multi-agent systems using frameworks such as LangGraph and AutoGen
  • Integrate, fine-tune, and orchestrate LLMs within Python-based applications, leveraging APIs and custom pipelines for scalable deployment
  • Implement observability, tracing, evaluation, and experiment management using Langfuse; define and track key metrics (quality, latency, cost)
  • Develop and maintain robust backend services, APIs, and (optionally) front-end interfaces to deliver end-to-end AI applications
  • Produce concise, technically rigorous R&D reports that document problem framing, methodology, experiment design, results, and recommended next steps
  • Work closely with product, data science, and engineering teams to define requirements, run prompt/agent experiments, and iterate quickly on solutions
  • Apply and advocate best practices in software engineering, code quality, testing, DevOps, and secure, ethical AI automation
  • Participate in code reviews, contribute to best practices, and mentor peers on AI automation technologies and frameworks

Skills

Key technologies and capabilities for this role

PythonLLMsPrompt EngineeringLangGraphAutoGenLangfuseRAGRetrieval-Augmented GenerationContext ManagementAI Agents

Questions & Answers

Common questions about this position

What is the employment type for this Senior Data Scientist role?

The position is full-time.

Is this Senior Data Scientist position remote or does it require office work?

This information is not specified in the job description.

What key skills are required for the Senior Data Scientist role?

The role requires advanced Python expertise, skills in designing and optimizing prompts for LLMs, architecting context management with RAG, building agentic workflows using LangGraph and AutoGen, and implementing observability with Langfuse.

What is the company culture like at AT&T for this role?

AT&T has a diverse workforce of 200,000 people and a culture that aspires to serve customers first, act boldly, move faster, and win as one.

What makes a strong candidate for this Senior Data Scientist position?

Strong candidates will have advanced Python expertise, experience architecting AI solutions with LLMs, RAG, prompt engineering, agent frameworks like LangGraph and AutoGen, and the ability to produce technical R&D reports while collaborating across teams.

AT&T

Telecommunications services including wireless and broadband

About AT&T

AT&T provides telecommunications services, including wireless communications, broadband internet, and digital television, primarily in the United States. Its 5G network offers faster data speeds and more reliable connections, although availability can vary. The company caters to both individual consumers and businesses, offering various subscription plans that include options for unlimited data and bundled services that combine internet, TV, and phone. AT&T generates revenue mainly through subscription fees, device sales, and its streaming service, DIRECTV STREAM, which adds to its diverse offerings. In a competitive market, AT&T distinguishes itself with its extensive service range and strong brand presence.

Dallas, TexasHeadquarters
1876Year Founded
$43.3MTotal Funding
IPOCompany Stage
Consumer Software, EntertainmentIndustries
10,001+Employees

Benefits

Health Insurance
Dental Insurance
Vision Insurance
401(k) Retirement Plan
401(k) Company Match
Paid Vacation
Paid Sick Leave
Paid Holidays
Paid Parental Leave
Adoption Assistance
Disability Insurance
Life Insurance
Employee Assistance Programs
Wellness Program
Employee Discounts

Risks

The customer service guarantee may increase financial liabilities due to compensation for outages.
A recent data breach could damage AT&T's reputation and lead to customer churn.
Resistance to replacing landlines may impact customer retention and satisfaction.

Differentiation

AT&T offers a unique customer service guarantee, setting it apart from competitors.
The company is expanding its fiber network, enhancing broadband offerings in underserved areas.
AT&T's 'Phone-Advanced' device aligns with the trend of replacing traditional landlines.

Upsides

AT&T's fiber network expansion could provide a competitive edge in broadband services.
The new customer service guarantee may attract customers from competitors lacking similar assurances.
Collaboration with The Arc enhances AT&T's brand image through corporate social responsibility.

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