Principal Full Stack Developer

AT&T•Dallas, TX

2d•Onsite

About The Position

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. Join AT&T and help shape the future of communications and technology that connect the world. We value innovators who seek to explore the unknown and challenge the status quo. Bring your bold ideas and fearless spirit to redefine connectivity and transform how people share stories and experiences. At AT&T, you won’t just imagine the future—you’ll build it. What you’ll do: We are looking for a Lead 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 customer experiences. You will: 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 and design patterns to build high-performance 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 Open Telemetry, 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.

Requirements

7+ 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.
5+ years of experience developing applications utilizing relational databases and/or no SQL databases as part of the overall application architecture.
5+ 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.
5+ years of experience with front-end frameworks like React.js.
5+ 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.
React.js, Node.js, Next JS, Micro Front-End architecture, Typescript, Graph QL, HTML5, XML, CSS3, Java, JavaScript, REST services, NoSQL technologies (Cassandra/Mongo DB), Spring boot, Kafka/MQ, Redis, Splunk, Azure / AWS, Prometheus/Grafana, Git, Jira, CI/CD platforms, Docker, Kubernetes.

Responsibilities

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 and design patterns to build high-performance 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 Open Telemetry, 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.

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.