Principal System Engineer AI; Full-Stack

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Join AT&T and reimagine the communications and technologies that connect the world. Our Consumer Technology experience team is delivering innovative and reliable technology solutions to power differentiated, simplified customer experiences. Bring your bold ideas and fearless risk-taking to redefine connectivity and transform how the world shares stories and experiences that matter. When you step into a career with AT&T, you won’t just imagine the future—you’ll create it.

If you have 10+ years of Full-Stack Software development experience, in Java, Javacript, React, Next and Node we are interested. This role requires React.js for Front-end, and Node.js for back-end.

Requires experience with artificial intelligence (AI), AI-MCP. AI is the focus along with both front and back-end development. Full-Stack development experience with the following technologies are also a must:
React, Next.js, Node.js, Graph

QL, Java, and public cloud platforms (Azure, GCP, AWS). Experience leveraging AI tools in production environments.

We are looking for a Principal Full Stack Engineer who has hands-on experience with both front-end (UI) and back-end technologies.

• Contribute to the development of both Frontend (UI) and Backend (BFF) layers.
• Create and support the development of responsive/adaptive web applications.
• Work closely with the UX/UI Designers to create high-quality, innovative, and intuitive user experiences in our products.
• Effectively use Git Hub Co-pilot across SDLC for pair programming, unit test cases, automation test cases, and to write user stories in agile processes to increase developer productivity.
• Partner with Enterprise, Application Architecture teams and contribute to the detailed design and architecture to enable secure, scalable, and maintainable software.
• Focus on scalability, security, and availability of all applications and processes.
• Design, code, test, debug, and document new and existing components to ensure that software meets business, quality, and operational needs.
• Build high-quality code following unit testing and test-driven and security-driven development.
• Implement all critical NFRs defined at the solution level.
• Constantly improve website performance with the help of application monitoring tools such as Dynatrace, Quantum Metrics, Splunk, etc.
• Work with the team to troubleshoot code-level problems quickly and efficiently.
• Apply deep technical expertise to resolve challenging programming and design problems.

• Bachelor’s or Master’s Degree program in Computer Science, Computer Engineering, or a related field (or equivalent experience).
• Extremely motivated, highly passionate, and curious about new technologies. Take pride in your work and strive to achieve incredible results and possess superb communication and planning skills.
• 10+ years of proven experience building sophisticated applications and APIs in Cloud and hybrid cloud environments at large scale.
• Preferably Next.js on the UI with Node.js on the backend, or React.js on the UI with Java on the backend.
• Experience building applications using Generative AI, LLMs & Copilots.
• Requires experience with artificial intelligence (AI), AI-MCP. AI is the focus along with both front and back-end development. Full-Stack development experience with the following technologies are also a must:
  React, Next.js, Node.js, Graph
  
  QL, Java, and public cloud platforms (Azure, GCP, AWS). Experience leveraging AI tools in production environments.
• 7+ years of experience developing applications utilizing relational databases and/or no SQL databases as part of the overall application architecture.
• 7+ years of experience in implementing caching techniques for a web application.
• Ability to work successfully with multi-functional teams, principals, and architects. Coordinates optimally across organizational boundaries and geographies.
• 7+ years of experience with front-end frameworks like React.js.
• 7+ years of strong background in object-oriented design principles and design patterns.
• Expert knowledge and experience working with asynchronous message processing, stream processing, and event-driven computing.
• Comfortable working in a fast-paced, highly collaborative environment.

Note
- 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.

• Mid-Senior level

• Full-time

• Engineering, Information Technology, and Analyst
• Industries