AT&T · 7 hours ago
Principal System Engineer - Artificial Intelligence (AI)
Plano, TX
Full-time
Onsite
Lead/Staff
10+ years expAT&T is a leading communications and technology company that aims to deliver innovative solutions for enhanced customer experiences. The Principal Full Stack Engineer role involves developing both front-end and back-end components, focusing on artificial intelligence and full-stack technologies to create scalable and secure applications.
CollaborationCommunications InfrastructureMobileService IndustryTelecommunicationsWireless
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 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
Qualification
Required
10+ years of Full-Stack Software development experience
Experience in Java, Javascript, React, Next.js, and Node.js
Experience with artificial intelligence (AI), AI-MCP
Full-Stack development experience with React, Next.js, Node.js, GraphQL, Java, and public cloud platforms (Azure, GCP, AWS)
Experience leveraging AI tools in production environments
Hands-on experience with both front-end (UI) and back-end technologies
Bachelor's or Master's Degree program in Computer Science, Computer Engineering, or a related field (or equivalent experience)
10+ years of proven experience building sophisticated applications and APIs in Cloud and hybrid cloud environments at large scale
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
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
Preferred
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
Company
AT&T
AT&T is a telecommunications company that provides wireless communications, internet and digital television services.
10001+ employees
H1B Sponsorship
AT&T has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (575)
2024 (586)
2023 (282)
2022 (450)
2021 (271)
2020 (162)
Funding
Current Stage
Public CompanyTotal Funding
$5.04BKey Investors
National Telecommunications and Information Administration
2025-09-19Post Ipo Debt· $5B
2024-02-12Grant· $42.3M
2023-01-19Grant· $2.2M
Leadership Team
Jeremy Legg
Chief Technology Officer
Pascal Desroches
Senior Executive Vice President and Chief Financial Officer
Recent News
2026-01-22
legacy.thefly.com
2026-01-22
Company data provided by crunchbase