{"id":165616,"url":"https://alion.io/job/relx-senior-data-scientist-i-2","title":"Senior Data Scientist I","company":{"id":3770,"name":"RELX","domain":"relx.com","url":"https://alion.io/company/relx","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":86,"open_postings":130,"ghost_share":0,"stale_share":0.562,"repost_share":0.008,"time_to_fill_p50_days":40,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Shanghai, China"],"countries":["CN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":29000,"max_usd":63000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":16},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Fine-tuning","optional":false},{"name":"GPT-4","optional":false},{"name":"LLM","optional":false},{"name":"Machine Learning","optional":false},{"name":"NLP","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"RAG","optional":false},{"name":"Scikit-learn","optional":false},{"name":"TensorFlow","optional":false}],"status":"live","first_seen_at":"2025-09-12T00:00:00Z","employer_posted_date":"2025-09-12","last_verified_at":"2026-10-26T23:35:41Z","board_verified":true,"closed_at":null,"days_open":410,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":409},"description":"Would you like to be part of a team that delivers high-quality software to our customers?\nDo you enjoy ensuring the quality of software products delivered?\nAbout our Team\nLexisNexis Legal & Professional, which serves customers in more than 150 countries with 11,300 employees worldwide, is part of RELX, a global provider of information-based analytics and decision tools for professional and business customers.\nAbout the Role\nThe Data Scientist role conduct experiments on large datasets to evaluate the feasibility, results, and performance of NLP& LLM (Large Language Model). This DS make sound engineering decisions and improve software development practices with an eye for performance and reliability.\nResponsibilities:\nData Analysis and Modeling: Perform advanced data analysis, modeling, and machine learning to develop predictive and prescriptive models that drive business outcomes.\n\nData Collection and Preparation: Collect, clean, and preprocess large datasets, ensuring data quality and reliability.\n\nMachine Learning and AI: Develop and implement machine learning algorithms and AI solutions to solve complex business problems.\n\nData Visualization: Create informative and compelling data visualizations to communicate results and insights to stakeholders effectively.\n\nCollaboration: Collaborate with cross-functional teams, including data engineers, business analysts, and domain experts, to identify opportunities and address business challenges.\n\nResearch and Innovation: Stay up-to-date with the latest trends and techniques in data science and contribute to the development of innovative solutions.\n\nModel Deployment: Assist in the deployment of machine learning models into production environments.\n\nDocumentation: Maintain comprehensive documentation of projects, models, and code for knowledge sharing and reproducibility.\n\nRequirements:\nMaster's or Ph.D. in Data Science, Computer Science, Statistics, or a related field.\n\nProven experience (4-6 years) working in data science, machine learning, or AI, with a track record of delivering impactful projects.\n\nProficiency in programming languages such as Python, as well as relevant data science libraries (e.g., scikit-learn, TensorFlow, PyTorch).\n\nExperience with generative AI models and techniques (e.g., LLMs, GANs) for content generation.\n\nExpertise in prompt engineering for fine-tuning language models like GPT-4 or similar models.\n\nFamiliar with RAG and related tunning & evaluation approaches\n\nStrong knowledge of statistical analysis, machine learning algorithms, and data manipulation techniques.\n\nExceptional problem-solving skills and the ability to work independently and as part of a team.\n\nExcellent communication skills, including the ability to convey complex technical concepts to non-technical stakeholders.\n\nWork in a way that works for you\nWe promote a healthy work/life balance across the organisation. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals.\nWorking flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive\nWorking for you\nWe know that your wellbeing and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer:\n- Medical and Life Insurance: Coverage for Medical and life risk.\n- Long-Service Award: Recognition for loyalty and dedication.\n- Marriage and New Baby Gifts: Celebratory tokens for special life events.\n- Festivals and Birthday Gifts: Spreading joy on occasions that matter.\n- Annual Medical Check-up: Prioritizing employee well-being through regular health check-ups.\n- Flexible Benefits via CIIC Platform: Personalized benefits accessible through a user-friendly platform.\n- Paid Time Off: Annual Leave, Flex Family Care Leave, Birthday Leave, Marriage Leave, Compassionate Leave, Medical and Hospitalization Leave, Examination Leave Gazetted Public Holiday\n- Family Care leave (Maternity/Paternity Leave and Adoption Leave)\nAbout the Business\nLexisNexis Legal & Professional® provides legal, regulatory, and business information and analytics that help customers increase their productivity, improve decision-making, achieve better outcomes, and advance the rule of law around the world. As a digital pioneer, the company was the first to bring legal and business information online with its Lexis® and Nexis® services.\nManagement Level\n12 - Professional IC\nWe are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.\nCriminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scamshere.\nPlease read our Candidate Privacy Policy.\nWe are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.\nUSA Job Seekers:\nEEO Know Your Rights.","description_format":"text","description_chars":5474,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[]},"benefits":["Annual leave","Life insurance","Parental leave"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Publishing","Exhibitions","Legal Software","Financial Data & Market Intelligence"],"lifecycle":[{"event":"open","at":"2025-09-12T00:00:00Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.182,"p_room":0.28,"age_days":409,"expected_fill_days":40,"reasons":["conf:23","stale_co","wave","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-26T05:57:25Z"},"pay":null,"html_url":"https://alion.io/job/relx-senior-data-scientist-i-2","json_url":"https://alion.io/job/relx-senior-data-scientist-i-2.json","meta":{"generated_at":"2026-10-27T04:20:43Z","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":3860,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"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":3770},"rest":"https://alion.io/mcp/rest/get_company?id=3770"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frelx-senior-data-scientist-i-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%2Frelx-senior-data-scientist-i-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%2Frelx-senior-data-scientist-i-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/relx-senior-data-scientist-i-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frelx-senior-data-scientist-i-2"}]}