Principal AI-Native Software Engineer

This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.

Were looking for an AI-Native Software Engineer (Principal Engineer) who blends strong fullstack Python engineering with hands-on experience building intelligent systems powered by LLMs agent orchestration and AI-augmented development workflows.

This is not a traditional software engineering role. We want someone who has fully integrated AI into how they design code test debug and deliver solutions and who can work side-by-side with business partners to turn ideas into production-ready applications with speed and precision.

In this role youll help shape requirements in real time build scalable AI-enabled systems and create seamless integrations across backend services agent frameworks data sources and user-facing applications.

What Youll Do

• Partner directly with business stakeholders to understand needs refine ideas and translate goals into working software solutions.
• Operate in a collaborative 2-in-a-box model co-owning outcomes from ideation through delivery.
• Build and integrate AI-powered applications using Python and frameworks such as FastAPI Flask or Django.
• Design and orchestrate intelligent workflows using LLMs LangGraph MCP and multi-agent systems.
• Develop and optimize prompts context strategies session memory retrieval pipelines and vector-based search to improve agent performance.
• Use AI coding assistants and agentic development tools as a core part of your workflow for prototyping refactoring testing documentation and code review.
• Integrate backend services APIs databases vector stores third-party platforms and machine learning systems into robust end-to-end solutions.
• Implement testing monitoring evaluation logging and CI/CD practices to improve reliability and system performance.
• Apply best practices in security privacy scalability and operational resilience across AI and backend systems.

What Youll Bring

• A strong ability to work directly with business partners and turn ambiguous ideas into clear deliverable engineering solutions.
• Clear communication skills with the ability to explain technical concepts to non-technical audiences.
• Deep practical use of AI tools in software development with examples of how theyve meaningfully improved your speed quality and approach.
• Experience building AI agents conversational systems RAG pipelines or multi-agent workflows in real-world environments.
• Strong problem-solving skills technical curiosity and a builder mindset.
• A passion for exploring emerging AI tools and applying them in ways that create real business value.

What Youll Need

• Strong experience in fullstack Python development including backend frameworks such as FastAPI Flask or Django.
• Experience designing and integrating REST APIs backend services and database solutions across SQL and/or NoSQL environments.
• Hands-on expertise with LLMs prompt engineering context engineering session management retrieval strategies and vector search.
• Experience with LangGraph MCP or similar agent orchestration frameworks.
• Familiarity with cloud platforms such as AWS GCP or Azure.
• Experience with Docker CI/CD pipelines testing frameworks and production deployment practices.
• A strong foundation in secure scalable and maintainable software design.

If youve already embraced AI as a core part of how you build software and youre excited to partner closely with the business to deliver high-impact solutions quickly wed love to hear from you.

Our Principal Software Engineer earns between$174100.00 - $279800.00 USD Annual. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography experience expertise and education/training.

Joining our team comes with amazing perks and benefits:

• Medical/Dental/Vision coverage
• 401(k) plan
• Tuition reimbursement program
• Paid Time Off and Holidays (based on date of hire at least 23 days of vacation each year and 9 company-designated holidays)
• Paid Parental Leave
• Paid Caregiver Leave
• Additional sick leave beyond what state and local law require may be available but is unprotected
• Adoption Reimbursement
• Disability Benefits (short term and long term)
• Life and Accidental Death Insurance
• Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
• Employee Assistance Programs (EAP)
• Extensive employee wellness programs
• Employee discounts up to 50% off on eligible AT&T mobility plans and accessories
• AT&T internet (and fiber where available) and AT&T phone.

#LI-Onsite Full-time office role-

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It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age color national origin citizenship status physical or mental disability race religion creed gender sex sexual orientation gender identity and/or expression genetic information marital status status with regard to public assistance veteran status or any other characteristic protected by federal state or local addition AT&T will provide reasonable accommodations for qualified individuals with disabilities.AT&T is a fair chance employer and does not initiate a background check until an offer is made.