{"id":202781,"url":"https://alion.io/job/duolingo-blog-senior-site-reliability-engineering","title":"Senior Site Reliability Engineer","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":"A","score":88,"open_postings":13,"ghost_share":0,"stale_share":0.462,"repost_share":0,"time_to_fill_p50_days":55,"computed_at":"2026-10-30T05:48:23Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States","Pittsburgh, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":182800,"max":247300,"currency":"USD","period":"year","gross":null,"usd_annual":247300},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Docker","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"Kubernetes","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-09-04T18:19:23Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-30T06:32:44Z","board_verified":true,"closed_at":null,"days_open":55,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":55},"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 finding innovative solutions to complex technical problems, running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You’ll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes - while doing work that’s both fun and meaningful. \nJoin our life-changing mission to develop education for our half a billion (and growing!) learners around the world.\nAbout the role...\nAs a Senior Site Reliability Engineer, you will work closely with both product and platform engineering teams to ensure Duolingo’s sophisticated distributed systems and products are built and maintained with extraordinary quality, and operated in measurable and scalable ways.\n You will...\nCollaborate with internal teams to identify sources of instability in distributed systems and drive operational excellence\nSupport core infrastructure (i.e understand, diagnose, and debug these systems in production)\nProvide system design consulting, develop software platforms/frameworks, and conduct launch reviews and root cause analysis\nMaintain and document sustainable postmortem/incident response practices\nAdvocate for and implement changes that improve reliability, scalability, and velocity\nReduce the burden of toil with iterative development of tooling and automation\nCollaborate with engineering teams to release new features and become an authority on our services\n You have...\nExperience identifying and solving issues in large-scale distributed systems\nExperience with Java, Kotlin, Python or Go\nAn understanding of containerization toolsets and container orchestration technologies (Docker, Mesos, Kubernetes, Nomad, etc)\n⭐ Exceptional candidates will have...\n\nExperience in improving automation and tooling to reduce service maintenance toil\nProven experience driving improvements to incident response processes\nExperience assessing reliability and troubleshooting issues in Dynamo, MySQL, and/or PostgreSQL databases\n\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$182,800—$247,300 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":4079,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Language Learning","E-learning"],"lifecycle":[{"event":"open","at":"2026-09-04T19:46:43Z"}],"visa":[{"country":"US","licensed_sponsor":true,"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":"2026-10-29T16:27:21+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":79}],"liveness":{"score":45,"band":"ok","label":"Likely open","p_open":1,"p_active":0.824,"p_room":0.55,"age_days":55,"expected_fill_days":55,"reasons":["conf:3","velocity","win:tail"],"computed_at":"2026-10-30T05:48:23Z"},"pay":{"stated_usd_annual":247300,"is_top_pay":true},"html_url":"https://alion.io/job/duolingo-blog-senior-site-reliability-engineering","json_url":"https://alion.io/job/duolingo-blog-senior-site-reliability-engineering.json","meta":{"generated_at":"2026-10-30T08:48:30Z","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":12604,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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-blog-senior-site-reliability-engineering"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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-blog-senior-site-reliability-engineering"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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-blog-senior-site-reliability-engineering"},{"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-blog-senior-site-reliability-engineering\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fduolingo-blog-senior-site-reliability-engineering"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":202781}},{"tool":"search_jobs","arguments":{"company":"duolingo.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":202781},"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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