{"id":431566,"url":"https://alion.io/job/taboola-senior-data-scientist","title":"Senior Data Scientist","company":{"id":5459,"name":"Taboola","domain":"taboola.com","url":"https://alion.io/company/taboola","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":93,"open_postings":16,"ghost_share":0,"stale_share":0.25,"repost_share":0.063,"time_to_fill_p50_days":58,"computed_at":"2026-10-06T05:45:30Z"}},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Los Angeles, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":138500,"max":195000,"currency":"USD","period":"year","gross":null,"usd_annual":195000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"Claude","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"Hadoop","optional":false},{"name":"Java","optional":false},{"name":"LLM Evaluation","optional":false},{"name":"Machine Learning","optional":false},{"name":"MLlib","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"Recommender Systems","optional":false},{"name":"Spark","optional":false},{"name":"SQL","optional":false},{"name":"TensorFlow","optional":false}],"status":"live","first_seen_at":"2026-08-08T15:04:16Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-06T22:05:16Z","board_verified":true,"closed_at":null,"days_open":59,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":59},"description":"Realize your potential by joining the leading performance-driven advertising company and a proud Great Place to Work® Certified employer in the US\nAs a Data Scientist on Taboola’s R&D Team in Downtown Los Angeles, utilizing some of the latest technology and tools, you will work on the recommendation and ranking algorithms that drive Realize - Taboola's performance advertising platform serving 600M+ daily active users. \nThe models you build directly influence campaign performance and revenue outcomes for advertisers worldwide. \nTo thrive in this role, you'll need:\nBachelor’s or advanced degree in a relevant field, ideally Computer Science, Electrical Engineering, Physics, Computational Economics, or similar\n5+ years of hands-on experience in Python and Java\nProficiency with ML frameworks (e.g., PyTorch, Tensorflow, Spark MLlib)\nSQL proficiency for data exploration and analysis\nSystem-architecture mindset - ability to design scalable, reliable, high-performance systems and reason about how a model fits into the larger data and serving infrastructure.\nExperience taking end-to-end ownership of ML systems: design, build, ship, measure, and maintain - using AI-assisted “vibe coding” tools (e.g., Cursor, Claude, GitHub Copilot).\nExperience building automated evaluation harnesses and test frameworks for ML systems - defining benchmarks, baselines, and guardrails that let a team ship confidently and repeatedly\nExperience with recommendation systems, ranking algorithms, or personalization at scale\nFamiliarity with real-time ML and large-scale data mining\nAbility to communicate technical findings clearly, and to collaborate effectively across teams (including early morning or evening syncs with our Tel Aviv team)\nHow you’ll make an impact:\nDesign and build predictive customer behavior models for targeting and personalization\nImplement the applicable Machine Learning or statistics based algorithm for prediction and optimization and deliver the trained model to production\nTake end-to-end ownership: design, build, ship, measure, and maintain models and the services around them-rapidly prototyping and delivering complete projects/products using AI-assisted “vibe coding” workflows.\nAct as a Harness Engineer: build the evaluation harnesses, automated testing frameworks, benchmarks, and guardrails that let the team experiment, measure model quality, and ship AI/ML systems safely and repeatedly, following a TDD process.\nPresent findings to the product team and technical team leads in a clear and actionable way.\nBuild and maintain code to populate HDFS, Hadoop with log from Kafka or data loaded from SQL production systems\nDesign, build and support algorithms of data transformation, conversion, computation on Hadoop, Spark and other distributed Big Data Systems\nWhy Taboola?\nIf you ask Taboolars what they love about working here, they’ll tell you that they’ve been empowered to realize their full potential while growing and learning from and with smart and talented people. They’ll also share more about:\nAdam Singolda, Taboola Founder and CEO says; “You can copy anything from another business but you can’t copy a company’s culture.”\n Well-being: Enjoy comprehensive benefits (health, dental, vision, 401k matching), a fully stocked kitchen and parking.\nFlexibility: We offer a hybrid work schedule with 3 days in-office with an option to come in more often if desired.\nWork with some of the biggest names: Our publisher partners include Yahoo, Conde Nast, Fox Sports, NBCU, ESPN, CBS, and E! Online. Our advertiser clients include Wells Fargo, Honda, Pinterest, and Expedia.\nReady to realize your potential?\nTaboola is an equal opportunity employer and we value diversity in all forms. We are committed to creating an inclusive environment for all employees and believe such an environment is critical for success. Employment is decided on the basis of qualifications, merit, and business need.\nLearn more about #TaboolaLife on LinkedIn,Facebook,Instagram,X,YouTube, & theTaboola Life Blog.\nAbout Taboola\nTaboola empowers businesses to grow through performance advertising technology that goes beyond search and social and delivers measurable outcomes at scale.\nTaboola works with thousands of businesses who advertise directly on Realize, Taboola’s powerful ad platform, reaching approximately 600M daily active users across some of the best publishers in the world. Publishers like NBC News, Yahoo, and OEMs such as Samsung, Xiaomi and others use Taboola’s technology to grow audience and revenue, enabling Realize to offer unique data, specialized algorithms, and unmatched scale.\nThe pay offered may vary depending on several factors such as location, job-related knowledge, skills, and experience. We may offer several perks as part of the compensation package that include a discretionary bonus, equity, flexible PTO, medical/dental/vision insurance, a competitive 401(k) match, paid parental leave, and more. \nBase Salary Pay Range\n$138,500—$195,000 USD","description_format":"text","description_chars":4994,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["401k plan","Equity","Hybrid work","Parental leave","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Media & Entertainment","Sales & Marketing","Advertising"],"lifecycle":[{"event":"open","at":"2026-09-06T05:57:59Z"},{"event":"close","at":"2026-10-01T03:57:19Z"},{"event":"reopen","at":"2026-10-01T18:50:02Z"}],"visa":[],"liveness":{"score":42,"band":"fade","label":"Fading","p_open":1,"p_active":0.769,"p_room":0.55,"age_days":58,"expected_fill_days":58,"reasons":["conf:2","velocity","win:tail"],"computed_at":"2026-10-06T05:45:30Z"},"pay":{"stated_usd_annual":195000,"is_top_pay":true},"html_url":"https://alion.io/job/taboola-senior-data-scientist","json_url":"https://alion.io/job/taboola-senior-data-scientist.json","meta":{"generated_at":"2026-10-06T22:24:47Z","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","counted_by":"address","units_charged":1,"used_today":2802,"day_limit":5000,"remaining_today":2198,"minute_limit":60,"resets_at":"2026-10-07T00:00:00Z"}},"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":5459},"rest":"https://alion.io/mcp/rest/get_company?id=5459"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftaboola-senior-data-scientist"},{"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%2Ftaboola-senior-data-scientist"},{"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%2Ftaboola-senior-data-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/taboola-senior-data-scientist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftaboola-senior-data-scientist"}]}