Principal AI-Native Software Engineer

AT&TPalo Alto, CA
$174,100 - $279,800Onsite

About The Position

We’re 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, you’ll 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.

Requirements

  • 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 they’ve 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.
  • 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.

Responsibilities

  • 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.

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.
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