Principal Software Engineer; Full-Stack

Position: Principal Software Engineer (Full-Stack)
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* Job Description:

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* Note:

** This role 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.
** 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.
** Role Overview:
** As part of our team, you’ll transform the way we deliver a seamless customer experience with digital at the center of all you do. In our world, digital is much larger than just an eCommerce channel; we are transforming all channels to digitally perform as one team to create a better customer experience. In 2025, the digital transformation will revolutionize the digital space, and you can build a career that will propel your future.

We are looking for a
** Principal Full Stack Engineer
** who has hands-on experience with both front-end (UI) and back-end technologies.
** Responsibilities and Day-to-Day View:
*** Contribute to the development of both Frontend (UI) and Backend (BFF) layers.
* Build Frontend with React JS and Backend BFF (Backend for Frontend) layer with either Java & Java script / REST / Graph QL / Node JS / Mule Soft.
* 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.
* Employ engineering techniques to build high-performance pages, user and browser-friendly UI / Web solutions.
* 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.
** Job Contribution:
*** 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.
* 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…