Principal Performance Engineer

About the position

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. 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 Software 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. This role is for a full stack developer who also has experience in performance engineering.

Responsibilities

• Lead and deliver highly available and scalable solutions leveraging multi-region principles.
• Monitor the performance of web applications and provide technical leadership to drive performance improvements.
• Define and track key software performance indicators to drive continuous performance optimizations.
• Build sophisticated test suite and integrate with CI/CD to continuously measure performance.
• Recommend infrastructure upgrades to support business growth and evolving technology requirements.
• Ensure the integrity, security, compliance, and performance of platforms and applications.
• Create and maintain documentation for key architecture and design decisions.
• Adhere to and drive modern software engineering practices through design reviews.
• Develop 'best-in-class' engineering for applications ensuring services are well-defined and modularized.
• Improve test coverage for services; promote a 'shift-left' mindset.
• Stay abreast of emerging technologies and assess their applicability to the organization.
• Foster a collaborative environment that encourages knowledge sharing and skill development.
• Lead and mentor a team of engineers; provide technical guidance and share best practices.

Requirements

• Bachelor's or master's degree in Computer Science, Computer Engineering, or a related field (or equivalent experience).
• 8+ years of proven Full Stack Development experience building sophisticated applications and APIs in Cloud and hybrid cloud environments preferably in Java and React JS.
• 8+ years of solid experience and understanding of software engineering principles, design patterns, and best practices.
• 5+ years of working experience with high-volume websites and high-velocity transactions.
• 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.
• In-depth understanding and practical application of networking architecture principles and security.
• 5+ years of experience working with cloud platforms, such as Azure, AWS or Google Cloud.
• 5+ years of experience in using Synthetic Monitoring tools for analyzing and optimizing Front end performance metrics.
• 3+ years of experience in using Log Monitoring tools.

Nice-to-haves

• 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 CI/CD pipelines.
• Strong communication and leadership abilities, with a proven track record of collaborating effectively in cross-functional teams.
• Demonstrated ability to take ownership and responsibility of critical issues and conclude them to resolution.
• Excellent problem-solving and analytical skills.

Benefits

• Medical/Dental/Vision coverage.
• 401(k) plan.
• Tuition reimbursement program.
• Paid Time Off and Holidays (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.
• 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.