Principal AI-Native Software Engineer - Fullstack Python

## Principal AI-Native Software Engineer – Fullstack PythonApplyremote type: Office Worker (NOT Remote)locations: USA:TX:Dallas / One AT&T Plaza (208 S Akard - Whitacre Tower) - Adm:208 S Akard St: Palo Alto, Californiatime type: Full timeposted on: Posted Todaytime left to apply: End Date: August 11, 2026 (13 days left to apply)job requisition id: R-110600**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.**We are seeking an **AI-Native Software Engineer** (Principal Software Engineer) who combines software engineering expertise, AI agent development, and strong business partnership skills. This is not a traditional developer role—you will work directly with business stakeholders to rapidly transform ideas into production-ready solutions using AI-augmented development practices.The ideal candidate has deeply integrated AI tools into their daily engineering workflow and can demonstrate how AI has fundamentally improved the speed, quality, and impact of their work.**What You'll Do*** Partner directly with business leaders and stakeholders to define requirements and deliver solutions in real time.* Design, build, and deploy AI-powered applications leveraging **LLMs**, **agentic workflows**, and **RAG architectures**.* Develop and orchestrate intelligent agents using frameworks such as **LangGraph** and **MCP**.* Build scalable backend services and APIs using **Python** frameworks such as **FastAPI**, **Flask**, or **Django**.* Design prompt and context engineering strategies, including retrieval, memory management, personalization, and vector search.* Integrate AI systems with enterprise applications, data sources, vector databases, and third-party services.* Implement testing, monitoring, security, and CI/CD practices to ensure reliable, scalable solutions.* Continuously evaluate and adopt emerging AI tools to accelerate development and improve engineering outcomes.**What You'll Need*** Bachelor's degree in Computer Science, Engineering, or a related technical field.* 8+ years of software engineering experience.* Proven experience building AI-enabled applications and agent-based systems in production.* Strong expertise in **Python development**, API design, and backend architecture.* Hands-on experience with **LLMs**, **prompt engineering**, **context engineering**, and **RAG**.* Experience with **LangGraph**, **MCP**, or similar agent orchestration frameworks.* Experience with **SQL/NoSQL databases**, cloud platforms (**AWS, Azure, GCP**), containers (**Docker**), and CI/CD pipelines.* Ability to translate complex business challenges into technical solutions and communicate effectively with both technical and non-technical audiences.**What You'll Bring*** An AI-first mindset with deep adoption of AI-assisted development tools such as **GitHub Copilot**, **Cursor**, **Claude**, or similar platforms.* Demonstrated success partnering directly with business leaders to shape and deliver outcomes.* Experience deploying and scaling AI solutions, including multi-agent systems and advanced retrieval architectures.* Strong analytical, problem-solving, and systems-thinking skills.* Preferred experience in: + Vector databases and semantic search + Knowledge retrieval and NLP systems + LLM evaluation, tuning, or serving + Distributed systems and scalable AI architectures + Front-end technologies (Angular or similar) + Open-source AI or agent development contributionsOur Principal Software Engineering jobs earn between $174,100.00 - $279,800.00 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**Weekly Hours:**40**Time Type:**Regular**Location:**Palo Alto, California, USA:TX:Dallas / One AT&T Plaza (208 S Akard - Whitacre Tower) - Adm:208 S Akard St**Salary Range:**$174,100.00 - $279,800.00It 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 law. In 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. #J-18808-Ljbffr