Lead Engineer, Performance Engineering (Remote, CA, US, USA_519431)

Job ID: 278397 Store Name/Number: FSC REMOTE SF/NY/DC -173(USA_0173) Address: FSC, Remote, CA 94105, United States (US) Hourly/Salaried: Salaried (Exempt) Job Type: Full Time Position Type: Regular Job Function: Information Technology Belong to Something Beautiful At Sephora, beauty is about feeling seen, valued, and empowered, individually and collectively. It is connecting deeply with others, celebrating diversity and inclusivity, unlocking your potential, and making a difference every day. Together, we belong to something beautiful. Technology At Sephora, our technology team works fast and smart. With San Francisco as our home, we take bringing new tech to market seriously, developing the latest in mobile technologies, scalable architecture, and the coolest in-store client experience. We love what we do, and we have fun doing it. The Technology group is comprised of motivated self-starters and true team players that are integral to the growth of Sephora and our future success. Our Performance Engineering team ensures fast, reliable, and scalable digital experiences across mobile apps and web platforms. Operating at the intersection of software engineering, infrastructure, and observability, we focus on detecting and eliminating performance bottlenecks, optimizing efficiency, and enhancing end-user experience. From load and resiliency testing to capacity planning and real-user monitoring, we leverage automation, analytics, and modern cloud technologies to build resilient, future-ready systems. If you’re passionate about performance, scalability, and innovation, you'll find a great fit within our team. Your role at Sephora... At Sephora, as the Lead Performance Engineer, you will own the end-to-end performance strategy for Sephora’s digital platforms ensuring speed, scalability, and reliability across e-commerce, APIs, and cloud-native systems. You’ll define benchmarks and KPIs, build automation frameworks, execute large-scale load and resiliency tests, and drive continuous optimization. This role requires close collaboration with Development, SRE, DevOps, Cloud, and Architecture teams to embed performance and resilience into every layer of our technology stack. If you’re passionate about solving complex scalability challenges and building systems that perform flawlessly under any condition, this is the role for you. Responsibilties: • Lead the performance engineering practice for Sephora’s digital systems (e.g., e-commerce platform, microservices, APIs), ensuring high-performance, high-availability, and scalable architecture. • Design and execute performance testing strategies: load testing, stress testing, spike testing, soak testing, capacity planning, bottleneck analysis. • Integrate Chaos Engineering practices to validate system resilience under failure conditions; leverageGremlin, Chaos Mesh, or similar tools to simulate real-world failure scenarios and ensure systems can self-recover and degrade gracefully. • Build and maintain monitoring, logging and alerting frameworks for performance-related metrics (both real-time and post-mortem analysis) using tools/platforms such as Splunk, AppDynamics, Dynatrace. • Collaborate on continuous-delivery pipelines (CI/CD) to embed performance checks, automated regression testing, and performance gating. • Drive root-cause analysis after performance incidents or degradations, propose remediations and ensure preventive engineering. We're excited about you if you have: • 8+ years significant hands-on responsibility for performance, scalability, and architecture of large, high-traffic systems (e-commerce or equivalent) • 8+ years expertise in ensuring and overseeing stability, reliability, and performance of mission-critical software applications in production environments. • 8+ years experience with monitoring, observability, and performance management tools such as Splunk, Dynatrace, Datadog, AppDynamics, or equivalent enterprise platforms. • 8+ years proven track record in performance engineering, log analysis, anomaly detection, and troubleshooting of distributed systems. • 2+ years prior experience in a retail, e-commerce or analogous high-scale environment preferred. • Performance Testing & Monitoring: Expertise in JMeter, BlazeMeter, LoadRunner, Gatling, and APM tools like Dynatrace, AppDynamics, or New Relic. • Technical & Cloud Expertise: Strong programming/scripting (Java, Python, Groovy), experience with microservices, APIs, Docker/Kubernetes, and cloud platforms (AWS/Azure/GCP). • Analytical & Problem-Solving: Ability to identify bottlenecks, optimize system • Leadership & Collaboration: Lead teams, mentor engineers, and work closely with DevOps, SRE What You’ll Get: The annual base salary range for this position is $173,610.00 - $192,900.00. The actual base salary offered depends on a variety of factors, which may include, as applicable, the applicant’s qualifications for the position; years of relevant experience; specific and unique skills; level of education attained; certifications or other professional licenses held; other legitimate, non-discriminatory business factors specific to the position; and the geographic location in which the applicant lives and/or from which they will perform the job. Individuals employed in this position may also be eligible to earn bonuses. This job will be posted for a minimum of five days. • Caring Community. You’ll lead your store like a community – where everyone feels seen and supported – building confidence among your team and positively impacting clients. • Fulfilling Path. Every step in your journey matters along our dynamic career paths. We celebrate the little wins on the way to the big ones as you grow in your own way. • Meaningful Work. With a cultivated passion for beauty, your career is your stage. We’ll give you the environment and support your need to do more than sell products; you’ll contribute to the transformation of your team, customers, and community. Rewards as Unique as You: Some benefits have eligibility requirements and may depend on job classification and length of employment. • Health. Choose a healthcare plan to fit you and your dependents' needs with medical, dental, and vision coverage. Sephora also fully covers our employees’ disability and life insurance. • Wealth. We offer a competitive 401k with 4% match as well as FSA and HSA programs. We also offer a Student Debt Retirement plan, where your student loan payments qualify to earn the 401k match from Sephora. • Balance. Leading a store is exciting and dynamic, so we make sure you can recharge with vacation paid time off, sick paid time off, and protected leave. • Growth. No two stores or leaders are the same. With access to training, tuition reimbursement, and leadership development, you’ll be guided on a dynamic career path. • Perks. Think you’ve tried it all? Enjoy a 30% discount on all merchandise/services, opportunities for free product or “gratis,” and flash sale discounts on LVMH brand products. • Support. You don’t just lead a team that cares – you’re part of a team that cares. Tap into free mental health and financial coaching resources with 24/7 access to Modern Health and Financial Finesse. Plus, volunteer and donation matching. Sephora values a diverse and inclusive workplace and considers all applicants without regard to sex, pregnancy, race, color, national origin, gender (including gender identity and gender expression), age, religion, sexual orientation, military/veteran status, disability, or any other protected category. Sephora is committed to providing reasonable accommodation to applicants with disabilities or other medical conditions. Sephora will consider all qualified applicants, including those with arrest and conviction records in a manner consistent with the requirements of all applicable laws, including the Los Angeles Fair Chance Initiative for Hiring Ordinance, the San Francisco Fair Chance Ordinance, and the New York City Fair Chance Act. Join Us and Belong to Something Beautiful Apply tot his job