Job Description

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 are and have 10+ years of Full-Stack Software development experience, in Java, Javacript, React and Node, we are interested. This role requires React.js for Front-end, and Node.js for back-end . Prefer experience with artificial intelligence (AI), Agentic 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, GraphQL, Java, and public cloud platforms (Azure, GCP, AWS). Experience leveraging AI tools in production environment

Role Overview: We are looking for a Principal Full Stack Engineer who has hands-on experience with both front-end (UI) and back-end technologies. 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 2026, the digital transformation will revolutionize the digital space, and you can build a career that will propel your future.

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 & Javascript / REST / Graph QL / Node JS / MuleSoft.
• 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:

• 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 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.

Technical Skills:

• React.js, Node.js, Next JS, Micro Front-End architecture, Typescript, Graph QL, Bootstrap.js, HTML5, XML, CSS3, Java, JavaScript, REST services, NoSql technologies (Cassandra/Mongo DB), Spring boot, Kafka/MQ, Redis, Splunk, Azure / AWS, Prometheus/Grafana, Git, Jira, Jenkins, Docker, Kubernetes, AI, Agentic AI, AI-MCP

Education: Bachelor’s or Master’s Degree program in Computer Science, Computer Engineering, or a related field (or equivalent experience).

Supervisor: No

Our Principal System Engineering, earns between $174,100-$261,100 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-

Ready to join our team? Apply today.

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.

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