Edtech.com's Summary

Quizlet is hiring a Platform Engineer - User Foundation to build and operate systems that manage lifecycle messaging and enable in-product growth experimentation. The role involves designing infrastructure for email, push, and in-product messaging while collaborating with cross-functional teams to enhance user activation, engagement, retention, and reactivation through scalable and reliable notification systems.

Highlights

Own and maintain email, push, and in-product messaging orchestration infrastructure.
Develop tooling for rapid, measurable growth experiments including feature flags and experiment rollouts.
Collaborate closely with Product, Data, and Engineering teams to improve user growth metrics.
Strong backend or platform engineering experience required with scalable and reliable system development.
Experience with notification systems, lifecycle platforms, product experimentation, and feature flags preferred.
Knowledge of event-driven systems, queues, APIs, and service reliability important.
Responsible for ensuring privacy compliance and Trust & Safety standards in messaging systems.
Base salary range of $200,000 - $300,000 plus company stock options.
Competitive health, dental, vision insurance, 401k with company match, paid vacation, and professional development resources included.
Work onsite at Quizlet's San Francisco office at least three days per week collaborating with the team.

Platform Engineer - User Foundation Full Description

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. Weâre energized by the potential to power more learners through multiple approaches and various tools.

Letâs 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:

We’re looking for a Platform Engineer to build and operate the systems that power lifecycle messaging and in-product growth experimentation across Quizlet. The team is hiring multiple levels (Staff - Sr. Staff Engineers), with leveling determined through the interview process.

This role focuses on the infrastructure behind email, push, and in-product messaging, as well as the tooling that enables rapid, measurable growth experiments. You’ll work closely with Product, Data, and Engineering partners to improve activation, engagement, retention, and reactivation through reliable notification systems and fast iteration loops. This is a high-impact role for someone who enjoys building platform capabilities that directly shape user growth and engagement.

We’re 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 this work environment enhances efficiency, fosters collaboration, and supports growth for both employees and the organization.

In this role, you will:

Own email, push, and in-product messaging orchestration infrastructure
Maintain messaging decisioning logic, eligibility rules, and frequency guardrails
Build and maintain systems that support lifecycle programs across activation, engagement, retention, and reactivation
Build and support growth experimentation infrastructure, including feature flag integration, experiment rollout controls, and exposure logging
Partner with Growth PMs and product teams to launch and measure in-product experiments quickly and safely
Ensure notification and experiment systems are observable, reliable, and easy to use
Help define guardrails so lifecycle and experiment programs remain compliant with privacy and Trust & Safety standards
Improve the feedback loop between experiment results, user behavior signals, and product decisions

What you bring to the table:

Strong backend or platform engineering experience building reliable, scalable systems
Experience with notification systems, messaging infrastructure, or lifecycle platforms
Experience supporting product experimentation, feature flags, or A/B testing systems
Familiarity with event-driven systems, queues, APIs, and service reliability
Strong judgment around user experience, notification quality, privacy, and guardrails
Ability to work cross-functionally with Product, Data, and Engineering teams
Comfort operating in a fast-moving environment where speed and reliability both matter

Bonus points if you have:

Experience with email or push delivery systems
Experience with Braze or similar lifecycle messaging platforms
Experience with feature flag systems or experimentation frameworks
Familiarity with user targeting, audience logic, or growth analytics
Experience building internal tooling for operators or product teams

Compensation, Benefits & Perks:

Quizlet is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Salary transparency helps to mitigate unfair hiring practices when it comes to discrimination and pay gaps. Total compensation for this role is market competitive, including a starting base salary of $200,000 - $300,000, depending on location and experience, as well as company stock options
Collaborate with your manager and team to create a healthy work-life balance
20 vacation days that we expect you to take!
Competitive health, dental, and vision insurance (100% employee and 75% dependent PPO, Dental, VSP Choice)
Employer-sponsored 401k plan with company match
Access to LinkedIn Learning and other resources to support professional growth
Paid Family Leave, FSA, HSA, Commuter benefits, and Wellness benefits
40 hours of annual paid time off to participate in volunteer programs of choice

Why Join Quizlet?

ð Massive reach: 60M+ users, 1B+ interactions per week

ð§ Cutting-edge tech: Generative AI, adaptive learning, cognitive science

ð Strong momentum: Top-tier investors, sustainable business, real traction

ð¯ Mission-first: Work that makes a difference in peopleâs lives

ð¤ 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, weâre excited about passionate people joining our teamâeven if you donât 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.â

Quizletâs 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-onsite

Original Job Description