{"id":4271702,"url":"https://alion.io/job/duolingo-language-measurement-scientist","title":"Language Measurement Scientist","company":{"id":19161,"name":"Duolingo","domain":"duolingo.com","url":"https://alion.io/company/duolingo-blog","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":84,"open_postings":11,"ghost_share":0,"stale_share":0.636,"repost_share":0,"time_to_fill_p50_days":55,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Science & Research","role_family":"Science & Research","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Pittsburgh, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":110500,"max":149500,"currency":"USD","period":"year","gross":null,"usd_annual":149500},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-11-13T17:34:33Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-13T18:00:49Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in!\nAt Duolingo, you’ll join a team that cares about educating our users, experimenting with big ideas, making fact-based decisions, and finding innovative solutions to complex problems. You’ll have limitless learning opportunities and daily collaborations with world-class minds - while doing work that’s both meaningful and fun.\nJoin our life-changing mission to develop education for our half a billion (and growing!) learners around the world. \nRead our blog to learn more.\nAbout the role...\nDuolingo is looking for a language assessment expert to support test development and research for the Duolingo English Test. You will join our Assessment Research and Development team, collaborating across disciplines to design and evaluate innovative language assessments. Your work will help ensure that assessment tasks and scores are valid, reliable, and fair while advancing Duolingo’s mission through science.\n You will...\nCollaborate with measurement researchers, engineers, and designers to develop innovative, research-driven language assessments.\nDesign and evaluate assessment tasks, including new interactive item formats.\nConduct qualitative and quantitative studies examining the validity, reliability, and fairness of assessment tasks and test scores.\nApply language assessment and measurement principles to improve test design, content, scoring, and quality assurance.\nTranslate research findings into clear recommendations for technical and non-technical partners.\nShare findings through technical reports, research publications, blog posts, and presentations to professional and academic audiences.\n You have...\nA PhD in language testing, applied linguistics, second language acquisition, educational measurement, or a related field.\nExperience developing or conducting research on high-stakes language assessments or comparable professional experience.\nExpertise in language assessment, including test design, validity, reliability, fairness, and the measurement of language proficiency.\nExperience designing and analyzing qualitative and quantitative research studies.\nExperience communicating research through publications, reports, or presentations.\nThe ability to explain complex measurement concepts clearly to collaborators from different disciplines.\nProficiency with data-analysis tools such as R or Python.\nStrong collaboration, project-management, and organizational skills.\n⭐ Exceptional candidates will have...\nExperience applying large language models, natural language processing, or related technologies to language assessment.\nExperience collaborating with software engineers, or AI researchers to develop digital assessment products.\nExperience designing or developing computer-adaptive tests.\nExpertise in evidence-centered design, interactive-task development, or integrated-skills assessment.\nThe offered salary is dependent upon several factors, including work experience, skills, and internal peer comparisons. The posted range is subject to change in the future. For this role, base salary is supplemented by equity compensation. We encourage you to talk with your recruiter for more information related to compensation for this role!\nSalary Range:\n$110,500—$149,500 USD\nBenefits: Take a peek at how we care for our employees' holistic well-being with our benefits here.\nJob Alerts: Sign up for job alerts here.\nAccommodations: We will do everything we can within reason to make sure that your interview takes place in an environment that fairly and accurately assesses your skills. If you need assistance or accommodation, please contact .\nEqual Employment Opportunity: Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.\nFraud Warning: Unfortunately, there is a rise in scammers pretending to be real Duolingo employees. Duolingo and our employees will never ask for your Social Security number, bank details, or passport info, and we’ll never ask you to deposit a check, purchase equipment, or exchange money during the interview process. Real Duolingo employees always use an email that ends in @duolingo.com or @recruiting.duolingo.com. Stay alert and double-check these details before sharing any information.\nBy applying for this position your data will be processed as per the Duolingo Applicant Privacy Notice.","description_format":"text","description_chars":4786,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Language Learning","E-learning"],"lifecycle":[{"event":"open","at":"2026-11-13T18:00:49Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 104 · green card filings: 19","filings_12m":104,"filings_prev_12m":41,"green_card_filings_12m":19,"median_offered_wage_usd":158638,"route":null,"cap_exempt":false,"checked_at":"2026-11-12T07:36:15+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":55,"reasons":["conf:2","win:early"],"computed_at":"2026-11-13T20:45:13Z"},"pay":{"stated_usd_annual":149500,"is_top_pay":true},"html_url":"https://alion.io/job/duolingo-language-measurement-scientist","json_url":"https://alion.io/job/duolingo-language-measurement-scientist.json","meta":{"generated_at":"2026-11-13T20:45:13Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":41341,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":19161},"rest":"https://alion.io/mcp/rest/get_company?id=19161"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fduolingo-language-measurement-scientist"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fduolingo-language-measurement-scientist"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fduolingo-language-measurement-scientist"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/duolingo-language-measurement-scientist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fduolingo-language-measurement-scientist"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4271702}},{"tool":"search_jobs","arguments":{"company":"duolingo.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4271702},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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