Principal Performance Engineer - AT&T

**Job Description:** **About the Company:** 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. **About the Team:** At AT&T, we're connecting the world through the latest tech, top-of-the-line communications and the best in entertainment. Our groundbreaking digital solutions provide intuitive and integrated experiences for millions of customers across online, retail and care channels. Join our mission to deliver compelling communication and entertainment experiences to customers around the world as we continue to evolve as a technology-powered, human-centered organization. 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. Digital transformation will revolutionize the digital space, and you can build a career that will propel your future. We are looking for a Principal Performance Engineer who has hands on experience on both front-end (UI) and back-end technologies and extensive experience is solving web application performance bottlenecks and optimize services and applications to improve overall performance of the system. **Responsibilities and Day-to-Day View:** + Lead and deliver highly performance, available, and scalable solutions leveraging multi-region principles. + As a Principal Performance Engineer, monitors the performance of web applications and provides technical leadership to drive performance improvements with industry standard and innovative techniques. + Define and track key software performance indicators to drive continuous performance optimizations. + As a Principal Performance Engineer, build sophisticated test suite and integrate with CI/CD to continuously measure performance and make it part of development practices. + Recommends infrastructure upgrades to support business growth and evolving technology requirements. + Ensures the integrity, security, compliance, and performance of platforms and the applications or services that reside within by partnering with peer engineering leads and architects. + Partners with engineering teams to create and maintain documentation for key architecture and design decisions related to performance, availability, scalability and caching strategies. + Adheres to and drives modern software engineering practices through design reviews. + Develops "best-in-class" engineering for our applications by ensuring that the services and the components are well-defined and modularized, high performance, secure, reliable, diagnosable, actively monitored, and reusable. + Improves test coverage for services; promotes a "shift-left" mindset; organizes and implements integration tests; and resolves problem areas. + Stays abreast of emerging technologies and assesses their applicability to the organization. + Fosters a collaborative environment that encourages knowledge sharing and skill development. + Leads and mentors a team of engineers; provides technical guidance, sharing best practices, and fostering a culture of continuous learning and growth. **Minimum Qualification and Skills** + Bachelor's or master's degree program in Computer Science, Computer Engineering, or a related field (or equivalent experience). + 8+ years of solid experience and understanding of software engineering principles, design patterns, and best practices for building **highly scalable** and maintainable systems. + 5+ years of proven experience building sophisticated applications and APIs in **Cloud** and **hybrid cloud** environments at **large scale** preferably in **Java** and **React JS.** + 5+ years of working experience with **high-volume** websites and **high-velocity transactions** and designing systems that can handle the demands of real-time or near-real-time data. + 5+ years of experience in using **observability tools** such as APM, analytics platforms, etc. + 5+ years of experience with identifying and solving **performance bottlenecks** of **web pages** at 90th + percentile with under 3 seconds load time. + In-depth understanding and practical application of **networking architecture principles** and **security** : **caching** and content delivery ( **CDN** ). + 5+ year's experience working with cloud platforms, such as Azure, AWS or Google Cloud, to architect and implement scalable, high performance and efficient solutions. **Desired Qualification and Skills** + Demonstrated ability to drive innovation, adapt to emerging technologies, and implement industry best practices. + Experience in building applications and performance scripts using **AI Peer Programming tools** . + Proficient in using modern software development tools, version control systems (ex. Git), and continuous integration/continuous deployment ( **CI/CD** ) pipelines. + Strong communication and leadership abilities, with a proven track record of collaborating effectively in cross-functional teams and mentoring junior engineers. + Demonstrated ability to take ownership and responsibility of critical issues and conclude them to resolution. + Excellent problem-solving and analytical skills, with the ability to dissect complex technical challenges and propose innovative solutions. **Technical Skills** CDN, Caching techniques, React.js, Node.js, Next JS, Micro Front-End architecture, Typescript, Graph QL, Bootstrap.js, HTML5, XML, CSS3, JavaScript, Java, REST services, NoSql technologies (Cassandra/Mongo DB), Spring boot, Kafka/MQ, Redis, ELK, Azure / AWS, Prometheus/Grafana, Git, Jira, Jenkins, Docker, Kubernetes, Quantum Metrics Our Principal System Engineering, earn between $158,200 - $237,400. 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 AT&T is leading the way to the future - for customers, businesses and the industry. We're developing new technologies to make it easier for our customers to stay connected to their world. Together, we've built a premier integrated communications and entertainment company and an amazing place to work and grow. Team up with industry innovators every time you walk into work, creating the world you always imagined. Ready to #transformdigital with us? Apply now! **\#ConsumerTechnologyeXperience** **Weekly Hours:** 40 **Time Type:** Regular **Location:** Dallas, Texas It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T will consider for employment qualified applicants in a manner consistent with the requirements of federal, state and local laws We expect employees to be honest, trustworthy, and operate with integrity. Discrimination and all unlawful harassment (including sexual harassment) in employment is not tolerated. We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected veteran status or employment status