Principal Engineer Data & Database Systems Architecture

About Quizlet :

At Quizlet our mission is to help every learner achieve their outcomes in the most effective and delightful way. Our $1B learning platform serves tens of millions of students every month including two-thirds of U.S. high schoolers and half of U.S. college students powering over 2 billion learning interactions monthly.

We blend cognitive science with machine learning to personalize and enhance the learning experience for students professionals and lifelong learners alike. Were energized by the potential to power more learners through multiple approaches and various tools.

Lets Build the Future of Learning

Join us to design and deliver AI-powered learning tools that scale across the world and unlock human potential.

About the Role :

Were hiring a Principal Engineer to serve as the Lead Architect for Data Systems overseeing the architecture operations and performance of our foundational database infrastructure. This high-leverage role works in partnership with the other Principal Engineer roles to establish industry-leading standards for reliability and cost-efficiency. The role reports to the Senior Director of Technical Infrastructure.

Were happy to share that this is an onsite position in our San Francisco office. To help foster team collaboration we require that employees be in the office a minimum of three days per week : Monday Wednesday and Thursday and as needed by your manager or the company. We believe that this working environment facilitates increased work efficiency team partnership and supports growth as an employee and organization.

In this role you will :

• Database Architecture & Scaling : Lead the architectural plan for scaling and evolving our core database systems (Cloud Spanner PlanetScale MySQL and BigQuery). This includes driving critical decisions on sharding data topology evolution and global data distribution strategies
• Deep Performance Optimization : Act as the organizations primary Subject Matter Expert (SME) for data performance. You will actively guide teams on everything from high-level schema design and query optimization to low-level deep-dive analysis (e.g. why is my query slow) across all three database systems
• Technical Leadership & Influence : Lead mentor and guide the team of SRE / Platform engineers focused on database systems. You will also partner closely with product engineering data engineering and AI / ML teams to influence schema design operational excellence and ensure the database layer supports their requirements
• Data Lifecycle & Operational Excellence : Own the resilience of the data tier including the definition and implementation of comprehensive backup recovery and business continuity strategies. Regularly audit and test these mechanisms to ensure high availability for critical data storage
• Reliability Engineering & Availability (The Core Mandate) : Architect and implement solutions to meet and maintain an internal 99.99% availability target for critical data access supporting the overall platforms 99.95% SLO. This includes designing connection management capacity planning and automation to handle peak load and ensure data consistency
• Cost Efficiency & Governance : Act as the technical owner for data-related cost optimization. Balance performance and reliability needs while implementing strategies for efficient storage indexing and throughput to minimize expenditure

What you bring to the table :

Compensation Benefits & Perks :

Why Join Quizlet

Massive reach : 60M users 1B interactions per week

Cutting-edge tech : Generative AI adaptive learning cognitive science

Strong momentum : Top-tier investors sustainable business real traction

Mission-first : Work that makes a difference in peoples lives

Inclusive culture : Committed to equity diversity and belonging

We strive to make everyone feel comfortable and welcome!

We work to create a holistic interview process where both Quizlet and candidates have an opportunity to view what it would be like to work together in exploring a mutually beneficial partnership.

We provide a transparent setting that gives a comprehensive view of who we are!

In Closing :

At Quizlet were excited about passionate people joining our teameven if you dont check every box on the requirements list. We value unique perspectives and believe everyone has something meaningful to contribute. Our culture is all about taking initiative learning through challenges and striving for high-quality work while staying curious and open to new ideas. We believe in honest respectful communication thoughtful collaboration and creating a supportive space where everyone can grow and succeed together.

Quizlets success as an online learning community depends on a strong commitment to diversity equity and inclusion.

As an equal opportunity employer and a tech company committed to societal change we welcome applicants from all backgrounds. Women people of color members of the LGBTQ community individuals with disabilities and veterans are strongly encouraged to apply. Come join us!

To All Recruiters and Placement Agencies :

At this time Quizlet does not accept unsolicited agency resumes and / or profiles.

Please do not forward unsolicited agency resumes to our website or to any Quizlet employee. Quizlet will not pay fees to any third-party agency or firm nor will it be responsible for any agency fees associated with unsolicited resumes. All unsolicited resumes received will be considered the property of Quizlet.

#LI-FT

We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications analyzing resumes or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed please contact us.

Required Experience :

Staff IC

Key Skills

Engineering Support,Environment,Internship,Law Enforcement,Catering Operations

Employment Type : Full-Time

Experience : years

Vacancy : 1

Monthly Salary Salary : 276000 - 320000