Full-Time

Machine Learning Engineer

Posted on 5/12/2026

Quizlet

Quizlet

501-1,000 employees

Education tools for students and teachers

Compensation Overview

$205k - $316.4k/yr

+ Stock options

Seattle, WA, USA + 3 more

More locations: San Francisco, CA, USA | New York, NY, USA | Denver, CO, USA

Hybrid

Minimum of three in-office days per week (Mon/Wed/Thu) required.

Category
AI & Machine Learning (1)
Required Skills
Scikit-learn
Python
Tensorflow
Pytorch
Machine Learning
A/B Testing
Observability
Requirements
  • Experience building and deploying ML systems in production
  • Strong background in machine learning methods (e.g., predictive modeling, recommendation systems, or decisioning systems)
  • Experience with data pipelines, model serving, and scalable systems
  • Proficiency in Python and common ML frameworks
  • Ability to operate across ambiguity and drive end-to-end solutions
  • Strong collaboration and communication skills
Responsibilities
  • Develop predictive and decisioning models (e.g., conversion, churn, LTV, personalization)
  • Design and implement systems for real-time and batch inference
  • Build end-to-end ML pipelines for training, evaluation, deployment, and monitoring
  • Partner with Product, Engineering, and Data teams to define problems and deliver solutions
  • Integrate ML systems into production environments with a focus on reliability and scalability
  • Establish evaluation frameworks connecting offline metrics to online impact (A/B testing)
  • Improve system performance across latency, throughput, and observability

Quizlet offers learning tools for students and teachers, serving over 60 million active users each month and providing a leading education app on web and mobile. Users create study sets (flashcards) and study them in various modes across devices, with free access and optional premium features, while advertising supports revenue. The platform distinguishes itself with a large global user base, a broad library of user-generated content, and multi-device access in a free-plus-premium model. Its goal is to empower learning worldwide by providing versatile study tools that help students and teachers succeed while growing the user base and monetization.

Company Size

501-1,000

Company Stage

Series C

Total Funding

$62M

Headquarters

San Francisco, California

Founded

2005

Simplify Jobs

Simplify's Take

What believers are saying

  • Two-thirds of U.S. high school students already use Quizlet.
  • Quizlet can monetize premium AI features and subscriptions more deeply.
  • Brand-safe ads and measurement create another revenue stream from engaged learners.

What critics are saying

  • ChatGPT-native study tools reduce Quizlet's need as a separate destination.
  • Back-button learning from free flashcards weakens conversion to paid subscriptions.
  • Platform outages damage Quizlet's habit loop during tests and last-minute review.

What makes Quizlet unique

  • Quizlet combines flashcards, practice tests, and AI study workflows in one product.
  • Its learning tools target students and teachers across school and college segments.
  • The Coconote acquisition adds audio and video capture into Quizlet's platform.

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Your Connections

People at Quizlet who can refer or advise you

Benefits

Shared financial success: Competitive salaries, stock options and a 401k that makes saving for retirement easy.

Competitive healthcare: Comprehensive health, dental, vision and disability plans for you and your family.

PTO and family benefits: Everyone gets four weeks of PTO. Our generous family leave plan has you covered when you welcome a new, little learner into your family.

Professional development: Learning never stops. Get reimbursed each year for professional development, and learn from the best with regular tech talks.

A welcoming workplace: Enjoy free lunch and dinner with great company. Benefit from adjustable desks and employee lounges while taking in amazing views of the Bay.

Commuter benefits: We don’t have a school bus, but we'll help cover your public transportation and parking. If you decide to work late, your ride home is on us as well.

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

-1%

2 year growth

0%
AbstractCore
May 21st, 2026
Unstuck AI vs Quizlet: which study tool wins for students in 2026?

Unstuck AI vs Quizlet: which study tool wins for students in 2026? Published 6 days ago Table of content. The AI study tool market split into two clear camps by 2026. On one side sit chat-first AI platforms such as Unstuck AI, built to ingest course materials and answer questions grounded in the source text. On the other side sit established study platforms such as Quizlet, originally built for flashcards and gradually layered with AI features over the past three years. Picking between the two depends less on which is better overall and more on which study task takes priority. This comparison breaks the decision into six concrete study tasks every student handles: importing course materials, asking questions about complex concepts, capturing lecture content, building flashcards, taking practice tests, and reviewing material over the long term. Readers who want a deeper Unstuck AI review can use this comparison as a practical starting point, since the head-to-head format shows where Unstuck AI performs best and where Quizlet still has the advantage. Each task gets a head-to-head section, a winner, and a brief reasoning. A pricing chart, decision matrix by student profile, and editor's take sit at the back. All figures and feature details are drawn from official documentation, independent reviews published between October 2025 and April 2026, and pricing pages verified during writing. Pricing on both platforms can shift, so confirming the latest numbers on each vendor's official page before subscribing remains worthwhile. Quick verdict. Unstuck AI is the stronger pick for active learning from uploaded materials, particularly for students working through dense PDFs, slide decks, or recorded lectures. Quizlet remains the dominant choice for memorization, language learning, and exam preparation, with the deepest community library of flashcard decks and the most refined spaced-repetition system in the category. Pricing tilts toward Quizlet at $35.99 annually versus Unstuck AI's $119 annually for the Unlimited plan. Feature strength across six study tasks. The radar above maps each platform's strength across the six tasks examined below. The pattern is consistent: Unstuck AI dominates the left half (upload, explanation, lecture capture) while Quizlet wins the right half (flashcards, practice tests, long-term review). The next section walks through each task in detail. Task-by-task winner summary. Specifications snapshot. Before getting into the task-by-task showdown, the spec sheet below captures the broad differences between the two platforms at a glance. Six study tasks compared. Each task below represents a distinct phase of how students actually use these platforms. The two-column breakdown shows each tool's approach, followed by a task winner and the reasoning. Pricing and value. Pricing models on the two platforms differ structurally. Unstuck AI keeps things simple with a single paid tier (Unlimited) plus a free tier with caps. Quizlet uses a multi-tier structure with separate Plus, Plus Unlimited, and Family options that map to different student situations. Annual cost comparison. The cost spread is meaningful. Quizlet Plus at $35.99 annually works out to roughly $3 per month, the cheapest paid path among the two tools. Unstuck AI Unlimited at $119 per year is more than three times that price, though it bundles lecture transcription and unlimited multi-format upload that Quizlet does not offer. Paying monthly rather than annually inflates Unstuck AI's cost dramatically to $239.88 per year, making the annual commitment the only sensible paid path for active users. Free tier comparison. Free tiers tell a different story than paid pricing. Unstuck AI's free plan is genuinely useful for testing material upload and AI chat, with caps that limit but do not block normal study workflows. Quizlet Free, by contrast, faced significant feature reductions in 2025 and 2026, with practice tests, expanded Learn mode, and Q-Chat moving behind the Plus paywall. The free version still works for basic flashcard review but no longer covers the platform's most useful capabilities. Side-by-side scorecard. The averages land within one tenth of a point of each other, which captures the real takeaway: neither tool is broadly better than the other. Each one dominates the half of the workflow it was built for and falls behind on the other half. Treating the scorecard as a single overall number obscures that pattern, which is why the column-level edges matter more than the bottom row. Best fit by student profile. Recommended platform depends heavily on the type of student work involved. The matrix below maps common student profiles to a starting pick. Final verdict. The cleanest framing of this decision in 2026: Unstuck AI for material-grounded chat and lecture work, Quizlet for memorization and exam prep. Picking one tool to cover everything generally leads to compromise on at least one core study task. A blended approach using Unstuck AI's free tier alongside Quizlet Plus at $35.99 annually delivers strong coverage across all six tasks at a combined cost lower than either tool's premium plan alone. For students whose work centers on reading dense PDFs, attending recorded lectures, and processing complex source material into understandable explanations, Unstuck AI Unlimited at $119 per year earns its premium pricing through lecture transcription and grounded-citation chat. For students focused on language learning, AP exam preparation, or building deep recall through flashcards and spaced repetition, Quizlet Plus at $35.99 per year is the better-value pick by a wide margin.

OverBeta Digital
Apr 3rd, 2026
CBP facility codes positive appear to have leaked through on-line flashcards.

CBP facility codes positive appear to have leaked through on-line flashcards. Search. Follow OverBeta. Join its community. A person on Quizlet, an internet studying platform, created a public flashcard set in February that seems to have uncovered extremely confidential information about safety procedures in US Customs and Border Protection services round Kingsville, Texas. The Quizlet set, titled "USBP Evaluate," was out there to the public till March 20, when it was made personal lower than half an hour after WIRED messaged a telephone quantity doubtlessly linked to the Quizlet person. Although a person with the person's title was listed at an tackle of an residence lower than a mile from a Kingsville CBP facility, WIRED has not been in a position to verify that the flashcard set was created by an energetic CBP agent or contractor. "This incident is being reviewed by CBP's Workplace of Skilled Duty," a CBP spokesperson wrote in a press release to WIRED. "We are going to not be getting forward of this evaluation. A evaluation ought to not be taken as a sign of wrongdoing." If the Quizlet set was created by a person related to CBP, it represents a severe breach in safety for an company created to "safeguard the American homeland." The general public Quizlet set contained information about alleged codes for particular facility entrances. "Checkpoint doorways code?" requested one card, with a particular four-digit mixture listed in response. One other asks for the code of a particular gate at the facility, once more with a precise mixture listed as the reply. Two different gate codes had been described on this method, however WIRED is not utilizing the gate names, as a result of it is unclear in the event that they are confidential. One other sequence of playing cards described sure immigration offenses and associated federal prices: misuse of a passport, fraud or misuse of a visa, and fleeing from a checkpoint. Playing cards about voluntary return to nations outdoors the US, expedited removing, and warrant of removing described types that wanted to be crammed out after which supplied a reminder a couple of guidelines on one thing referred to as an "brokers Sources Web page" to guarantee "accuracy of all above." "We take experiences of delicate or inappropriate content material severely and act promptly when content material is discovered to violate our insurance policies," a Quizlet spokesperson wrote in a press release. "We encourage anybody who encounters regarding materials to report it instantly from the flashcard set, class, or profile web page, or to contact us so we will evaluation and take acceptable motion." Different playing cards supplied detailed information about the Kingsville workforce's 1,932-square-mile space of duty, together with the six county traces, and the company's inside grid and zone organizational system. One grid "does not exist," a card notes, due to the construction of native highways. One other card named the 11 CBP "towers" in the space. (A few of the tower names correspond to the gates and codes that WIRED is withholding due to their potential confidentiality.) The cardboard notes the abbreviated names of two towers and the shared space of duty of a 3rd tower. The final card detailed an obvious inside system, "E3 BEST," that permits officers to "file, examine and adjudicate secondary referrals at USBP checkpoints" by permitting them to "question topics and autos concurrently by means of a number of regulation enforcement databases and create e3 Occasions for referrals leading to an arrest." This potential publicity of confidential information comes amid a rapid hiring surge at CBP, with up to $60,000 in recruitment and retention incentives out there to some new brokers. ICE is additionally in search of to quickly recruit, with its plan providing a $50,000 signing bonus and up to $60,000 in pupil mortgage reimbursement. Disclaimer: This article is sourced from external platforms. OverBeta has not independently verified the information. Readers are advised to verify details before relying on them. Read also:

PR Newswire
Mar 11th, 2026
Quizlet launches as native ChatGPT app to turn AI conversations into flashcards

Quizlet has launched as a native app in ChatGPT, allowing students to transform AI conversations into active learning practice. The integration enables users to generate flashcard sets directly within ChatGPT by submitting prompts or uploading class notes. The move addresses growing AI use among students, with 54% of teens already using chatbots for schoolwork. By connecting their Quizlet account, ChatGPT users can access Quizlet's library of hundreds of millions of study sets and instantly transition from consuming AI-generated answers to active learning practice. Quizlet CEO Kurt Beidler said the integration eliminates friction between AI convenience and effective learning techniques. The platform serves over 60 million students, teachers and lifelong learners globally, including two in three US high school students.

EducationInvestor Global
Feb 13th, 2026
US: Savi acquires employees education benefits firm Fiducius

US: savi acquires employees education benefits firm fiducius. * 13 February 2026 * Ed Tech and Educational Services You are unauthorized to view this page. * 17/02/2026 ECI Partners has acquired Paragin Group, a provider of exam and assessment software solutions, from Main Capital Partners. * 16/02/2026 London-based private equity fund Hypha has acquired Pass, an ed tech company headquartered in Harrogate, North Yorkshire. * 13/02/2026 Quizlet has acquired note-taking app Coconote, which turns audio and video recordings into organised materials such as notes, quizzes, flashcards,...

EdTech Innovation Hub
Feb 11th, 2026
Quizlet acquires note-taking app Coconote, launches new AI-powered learning experience — EdTech Innovation Hub

Quizlet says the platform is “ideal for on-the-go or auditory learners” and it plans to use the acquisition to support its vision for supporting student learning in an AI, multi-media, digital-first world.

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