Jobs at Duolingo

Owns Duolingo English Test proctoring quality standards, calibration, adjudication, certification, and ongoing learning programs. The role analyzes quality trends, develops training interventions, maintains auditable process documentation, guides training specialists and adjudicators, and partners with Psychometrics, Security, Operations, Product, and Engineering to validate human and AI-assisted workflows.

Owns the Duolingo English Test proctoring quality standard, calibration and adjudication programs, certification, ongoing adult learning, and quality measurement. The role develops rubrics, training, decision guidance, and audit-ready processes; analyzes disagreement and performance data; directs specialists and adjudicators; and partners with Psychometrics, Security, Operations, Product, and Engineering to validate human and AI-assisted workflows.

Build and grow Duolingo’s programmatic advertising business by developing agency and advertiser relationships, selling premium PMP and PG deals, managing revenue forecasts and quotas, and negotiating commitments. The role develops pricing, packaging, measurement, and audience-data propositions; partners with Ad Operations on deal setup and delivery; coordinates with direct sales and account management; and establishes scalable sales processes and playbooks.

Develop culturally relevant social-native creative for Duolingo across social, experiential, OOH, partnerships, events, and products. Create content, concepts, short-form video, and cultural activations; provide feedback to creators; steward brand voice and visual language; present ideas; and collaborate with marketing, design, production, PR, partnerships, and legal teams. The role requires hands-on execution, strategic thinking, strong copywriting, art direction, and deep internet culture fluency.

Own and improve Duolingo’s language-learning products from ideation through experimentation, release, analysis, and iteration. Develop product strategy, conduct qualitative and quantitative research, guide engineers, align cross-functional teams and leadership, and optimize learning experiences to make language education engaging and effective.

Build and operate Duolingo’s Kubernetes-based compute platform across regions and cloud providers. Improve GitOps and deployment pipelines, create reusable self-service platform abstractions, and enhance reliability through SLOs, dashboards, alerts, runbooks, on-call participation, and incident response. The role also requires distributed-systems knowledge, production infrastructure experience, CI/CD and infrastructure-as-code expertise, Linux administration, and cross-team communication.

Lead an app feature through the full product development lifecycle, from research and roadmap creation to launch and optimization. The intern will analyze market trends, user insights, data, and feature performance; collaborate with UI/UX designers and engineers; guide development; and identify opportunities to improve the user experience and product outcomes.

The Senior Site Reliability Engineer will improve the reliability, scalability, and operational performance of Duolingo’s distributed systems. Responsibilities include diagnosing production infrastructure, designing systems, developing automation and platforms, conducting launch reviews and root cause analyses, maintaining incident response and postmortem practices, reducing operational toil, and supporting engineering teams during feature releases.

Lead the AI Tooling and Ecosystem Team in building tools and services for datasets, prompts, model evaluations, human and LLM feedback, and AI workflows. Manage engineers, hire and develop talent, own multi-quarter roadmaps, and align AI, product, data science, and platform teams. Improve AI feature velocity, reliability, measurability, and cost efficiency through internal tools, APIs, evaluation systems, and human-in-the-loop pipelines.

Drive global mobile user acquisition campaigns across Google UAC, Meta, TikTok, and programmatic channels. Own campaign execution, creative strategy, budget optimization, agency partner management, and performance improvement across CPI, retention, LTV, CAC, and monetization metrics. Use attribution and marketing analytics to guide experimentation, develop growth opportunities, collaborate with cross-functional teams, and present strategic recommendations to marketing leadership.

Leads mixed-method product research across discovery, concept testing, and post-launch improvements for Duolingo’s global learner experience. Partners with designers and product managers to identify high-impact questions, guide product strategy, generate actionable insights, and establish research-sharing systems. Mentors researchers, improves research practices, and introduces methods and tools that increase rigor and speed.

Develop and improve trustworthy quarterly user-growth forecasts at Duolingo. Collaborate with Product, Finance, Strategy, leadership, and other data scientists to translate business and product changes into analytical requirements and actionable recommendations. Validate forecasting methodologies, build robust repeatable forecasting processes, communicate complex findings clearly, and mentor junior data scientists. The role requires strong quantitative expertise, real-world forecasting experience, and fluency in SQL, Python, and analytics engineering ecosystems.

Embed with product teams to use data science, machine learning, experimentation, and analytics to improve user growth. Build scalable data products, models, dashboards, and analytical foundations; prioritize opportunities and assess ROI; translate complex findings into actionable recommendations; collaborate with Product, Engineering, Design, Marketing, and Finance; and mentor other Data Scientists.

Lead and scale Duolingo’s West Coast advertising sales business. Own regional revenue targets, forecasting, go-to-market strategy, pipeline development, strategic advertiser and agency relationships, complex deal execution, pricing inputs, and team hiring and coaching. Build repeatable sales processes in a startup-like environment while partnering with Account Management, Ad Operations, Product, and leadership to grow innovative ad formats and protect the learner experience.

Design and operate enterprise platforms for identity, access management, SaaS integrations, endpoint management, and employee lifecycle automation. Build infrastructure-as-code, CI/CD, internal tooling, dashboards, alerts, and runbooks. Partner with Security, Finance, Legal, Procurement, and Platform teams on SaaS governance, license optimization, risk controls, reliability, incident response, and cross-functional engineering initiatives.

Analyze global performance marketing campaigns, measure media-spend impact, develop data-driven user-growth strategies, define marketing KPIs, and transform complex data into actionable insights. The role partners with data science and marketing technology teams, shapes backend data design, and builds dashboards in tools such as Tableau. Candidates need strong SQL, marketing analytics, data visualization, communication, and analytical skills, with occasional statistical programming experience preferred.

Leads strategic, cross-functional technical programs for Duolingo English Test, translating regulatory, compliance, and business requirements into execution plans. Manages dependencies, risks, milestones, tradeoffs, stakeholder alignment, and launches across engineering, product, data science, legal, security, and external teams. Operates autonomously at Staff level, improves program processes, mentors others, and drives company-wide delivery efficiency.

Own growth product strategy and execution focused on improving user retention, DAUs, L7, and feature adoption. Lead roadmap development and features through ideation, prioritization, experimentation, launch, analysis, and iteration. Collaborate with engineering, data science, ML/AI, design, writing, and leadership teams to build engaging consumer mobile experiences and strengthen language-learning habits.

Own product strategy and execution for Duolingo’s notifications platform, including notification types, opt-in, reach, email, and alternative channels. Lead roadmap development, experimentation, launches, analytics, and iteration to improve engagement, conversion, click-through rate, and retention. Partner cross-functionally with engineering, data science, ML/AI, design, product writing, and leadership to build personalized, effective notification experiences.

Leads Duolingo’s Growth and Monetization product organization, owning daily active users and revenue. Manages pillar leads and approximately 20 product managers, develops senior product leaders, drives experimentation, establishes operating mechanisms, allocates resources, and partners with Engineering, Design, Data, and Marketing leadership. The role reports to the Chief Product Officer and requires hybrid work in New York City or Pittsburgh.