{"id":1648203,"url":"https://alion.io/job/ziprecruiter-staff-software-engineer-machine-learning-2","title":"Staff Software Engineer, Machine Learning","company":{"id":701831,"name":"ZipRecruiter","domain":"ziprecruiter.com","url":"https://alion.io/company/ziprecruiter-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":true,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"C","score":66,"open_postings":34,"ghost_share":0.559,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-06T05:45:30Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"staff","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":205000,"max":265000,"currency":"USD","period":"year","gross":null,"usd_annual":265000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Machine Learning","optional":false},{"name":"BERT","optional":true},{"name":"NLP","optional":true},{"name":"NLTK","optional":true},{"name":"PyTorch","optional":true},{"name":"Scikit-learn","optional":true},{"name":"Sentiment Analysis","optional":true},{"name":"TensorFlow","optional":true},{"name":"Tokenization","optional":true}],"status":"live","first_seen_at":"2023-10-16T15:34:20Z","employer_posted_date":"2026-09-08","last_verified_at":"2026-10-06T20:49:15Z","board_verified":true,"closed_at":null,"days_open":1086,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":1085},"description":"We offer a hybrid work environment. Most US-based positions can also be performed remotely (any exceptions will be noted in the Minimum Qualifications below.)\nOur Mission: \nTo actively connect people to their next great opportunity. \nWho We Are: \nZipRecruiter is a leading online employment marketplace. Powered by AI-driven smart matching technology, the company actively connects millions of all-sized businesses and job seekers through innovative mobile, web, and email services, as well as through partnerships with the best job boards on the web. ZipRecruiter has the #1 rated job search app on iOS & Android.\nSummary:\nWith data such as a billion+ historical job postings, tens of millions of active job seekers interacting with our system, and hundreds of billions of impression and click events, there are incredible opportunities to use your skills to build new data-driven features. Working at ZipRecruiter, you will be helping literally millions of people find their dream job. We’re working on problems like: given a training set of job postings, and known salaries, build a system that predicts salary for novel jobs.Of course, you know that while building models is fun, it's also just one step in the process; gathering training data, cleansing it, digging into it, extracting features from it, etc, is a huge part of the job\nKey Focuses:\nDesign, develop, and maintain advanced machine learning models and algorithms to solve complex business problems\nLead complex machine learning projects that solve business challenges and add value to the broader ZipRecruiter Business\nDesign the overall architecture and infrastructure for machine learning systems, ensuring scalability, efficiency, and robustness\nPush the boundaries of what's possible in machine learning in your organization, finding new and innovative ways to use AI to drive business value\nProvide leadership and set tone for Machine Learning Engineers at ZipRecruiter leveraging industry best practices and innovation\nStay up-to-date with the latest developments in machine learning and AI, and drive adoption of new techniques and technologies as appropriate\nMinimum Qualifications:\n7+ year of professional software development experience with a deep focus in machine learning\nComprehensive knowledge and experience of machine learning algorithms, techniques, and best practices\nExtensive experience in machine learning model design, data pipeline design, experimentation and validation design, system design, and/or architecture design.\nPreferred Qualifications:\n10+ year of professional software development experience with an expertise in machine learning\nBS/MS/PhD in Mathematics, Computer Science, Physics, related technical field or equivalent practical experience\nExpert knowledge of machine learning algorithms (e.g., linear regression, SVM, decision trees, neural networks, clustering, etc.) and best practices\nProfound knowledge of machine learning algorithms and frameworks, such as TensorFlow, PyTorch, or scikit-learn\nExtensive background of deep learning architectures and techniques, such as Convolutional Neural Networks (CNNs), Recurrent Neural Networks (RNNs), Long Short-Term Memory (LSTM), and Generative Adversarial Networks (GANs)\nDeeply versed in NLP techniques and tools, such as tokenization, stemming, lemmatization, sentiment analysis, and named entity recognition, and libraries like NLTK, SpaCy, or BERT\nAs part of our team you’ll enjoy:\nCompetitive compensation\nExceptional benefits package\nFlexible Vacation & Paid Time Off\nEmployer-matched 401(k) plan \nThe US base salary range for this full-time position is $205,000-$265,000. Our salary ranges are determined by role, level, and location, and the range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location, role-related knowledge and skills, depth of experience, relevant education or training, and additional role-related considerations.\nDepending on the position offered, equity, bonuses, commission, or other forms of compensation may also be provided as part of a total compensation package, in addition to a full range of medical, financial, and other benefits.\nZipRecruiter is proud to be an equal opportunity employer and provides equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity or genetics.\nPrivacy Notice: For information about ZipRecruiter's collection and processing of job applicant personal data for this job, please see our Privacy Notice at: https://www.ziprecruiter.com/careers/job-applicant-privacy-notice","description_format":"text","description_chars":4780,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Hybrid work"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Job Boards & Aggregators","HR & Recruiting AI"],"lifecycle":[{"event":"open","at":"2026-10-02T00:08:38Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 19 · green card filings: 13","filings_12m":19,"filings_prev_12m":30,"green_card_filings_12m":13,"median_offered_wage_usd":145313,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+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":15}],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.234,"p_room":0.28,"age_days":1085,"expected_fill_days":30,"reasons":["conf:0","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-06T05:45:30Z"},"pay":{"stated_usd_annual":265000,"is_top_pay":false},"html_url":"https://alion.io/job/ziprecruiter-staff-software-engineer-machine-learning-2","json_url":"https://alion.io/job/ziprecruiter-staff-software-engineer-machine-learning-2.json","meta":{"generated_at":"2026-10-06T21:48:58Z","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":1608,"day_limit":5000,"remaining_today":3392,"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":701831},"rest":"https://alion.io/mcp/rest/get_company?id=701831"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fziprecruiter-staff-software-engineer-machine-learning-2"},{"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%2Fziprecruiter-staff-software-engineer-machine-learning-2"},{"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%2Fziprecruiter-staff-software-engineer-machine-learning-2"},{"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/ziprecruiter-staff-software-engineer-machine-learning-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fziprecruiter-staff-software-engineer-machine-learning-2"}]}