{"id":3795320,"url":"https://alion.io/job/persistent-systems-senior-data-scientist-2","title":"Senior Data Scientist","company":{"id":59479,"name":"Persistent Systems","domain":"persistent.com","url":"https://alion.io/company/persistent-systems","size_band":null,"is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Zwayam","truth_index":{"grade":"A","score":87,"open_postings":109,"ghost_share":0.037,"stale_share":0.404,"repost_share":0.073,"time_to_fill_p50_days":43,"computed_at":"2026-11-07T05:47:08Z"}},"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":["Pune, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Fine-tuning","optional":false},{"name":"Hugging Face","optional":false},{"name":"LLM","optional":false},{"name":"LoRA","optional":false},{"name":"Machine Learning","optional":false},{"name":"MLFlow","optional":false},{"name":"NLP","optional":false},{"name":"PEFT","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"RAG","optional":false},{"name":"Weights & Biases","optional":false},{"name":"Transformers","optional":true}],"status":"closed","first_seen_at":"2026-09-18T10:16:55Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-06T13:46:09Z","board_verified":false,"closed_at":"2026-11-06T13:46:09Z","days_open":49,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":49},"description":"About Persistent\nWe are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what's next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 18 of the Fortune 50 companies, 7 of the 10 top US banks, 9 of the 10 technology companies, and numerous innovators across the healthcare ecosystem.\nOur disruptor's mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We have delivered 26 sequential quarters of growth with $487.6M in Q4 FY26 revenue, up 7.8% Q-o-Q and 20.0% Y-o-Y. Our 29,500+ global team members, located in 21 countries, have been instrumental in helping the market leaders transform their industries. We received five awards at the ISG (Information Services Group) Provider Lens Awards 2026 and, for the second year in a row, were awarded the Growth Honor of the Year at the Everest Group Elevate 2026.\nAbout Position:\nWe are seeking a highly skilled Senior Data Scientist specializing in LLM Fine-Tuning and Clinical AI to build, optimize, and evaluate enterprise-grade Generative AI solutions. The ideal candidate will have strong expertise in Python, PyTorch, Hugging Face, LoRA/PEFT, and Large Language Models (LLMs). You will play a key role in developing healthcare-focused AI solutions by fine-tuning foundation models, implementing robust evaluation frameworks, and ensuring clinically accurate, safe, and reliable AI-generated outcomes.\nRole: Senior Data Scientist - LLM Fine-Tuning & Clinical AI\nLocation: All Persistent Locations\nExperience: 6 to 10 Years\nJob Type: Full-Time Employment\nWhat You'll Do:\nDesign, develop, and optimize Machine Learning and Deep Learning solutions using Python and PyTorch.\nTrain, fine-tune, and evaluate Large Language Models (LLMs) for healthcare and enterprise AI use cases.\nUtilize Hugging Face libraries and transformer architectures for model development and deployment.\nImplement parameter-efficient fine-tuning techniques such as LoRA and PEFT.\nBuild and optimize Retrieval-Augmented Generation (RAG) and LLM-powered applications.\nConduct exploratory data analysis on structured and unstructured clinical datasets.\nDevelop data preprocessing, feature engineering, and model validation pipelines.\nDesign evaluation frameworks to assess model accuracy, safety, explainability, and clinical relevance.\nPerform model benchmarking, experimentation, and performance analysis.\nTrack experiments and manage model lifecycle using MLflow or Weights & Biases.\nCollaborate with ML Engineers and domain experts to deploy AI models into production.\nMonitor model performance and continuously improve model quality.\nDevelop scalable AI workflows and support distributed model training environments.\nContribute to AI engineering best practices, coding standards, and reusable frameworks.\nParticipate in architecture reviews, technical discussions, and knowledge-sharing initiatives.\nStay updated with emerging trends in Machine Learning, Generative AI, NLP, and LLM technologies.\nExpertise You'll Bring:\nBachelor's or Master's degree in Computer Science, Artificial Intelligence, Machine Learning, Data Science, Statistics, Engineering, or a related field.\n6-10 years of experience in Data Science, Machine Learning, Artificial Intelligence, or related domains.\nStrong proficiency in Python programming and software engineering best practices.\nHands-on experience with PyTorch and modern Deep Learning frameworks.\nStrong expertise in Hugging Face transformers and model ecosystems.\nExperience training, evaluating, and optimizing Large Language Models (LLMs).\nPractical experience implementing LoRA, PEFT, and other parameter-efficient fine-tuning approaches.\nStrong understanding of NLP concepts, transformer architectures, and language model workflows.\nExperience developing model evaluation frameworks and benchmarking methodologies.\nHands-on experience with MLflow or Weights & Biases for experiment tracking and model management.\nExperience working with large-scale datasets and distributed training environments.\nKnowledge of model optimization, hyperparameter tuning, and performance engineering.\nStrong analytical thinking and problem-solving skills.\nExperience working in Agile and cross-functional engineering teams.\nExcellent communication and stakeholder collaboration skills.\nAbility to translate business and clinical requirements into scalable AI solutions.\nBenefits:\nCompetitive salary and benefits package\nCulture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications\nOpportunity to work with cutting-edge technologies\nEmployee engagement initiatives such as project parties, flexible work hours, and Long Service awards\nAnnual health check-ups\nInsurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents\nValues-Driven, People-Centric & Inclusive Work Environment:\nPersistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.\nWe support hybrid work and flexible hours to fit diverse lifestyles.\nOur office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.\nIf you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment\nLet’s unleash your full potential at Persistent -persistent.com/careers\n“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”","description_format":"text","description_chars":6149,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Growth opportunities","Hybrid work","Insurance coverage"],"hiring_locations":[{"name":"India","iso":"IN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-11-05T09:05:07Z"},{"event":"close","at":"2026-11-05T14:42:20Z"},{"event":"reopen","at":"2026-11-05T19:46:58Z"},{"event":"close","at":"2026-11-06T13:46:09Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/persistent-systems-senior-data-scientist-2","json_url":"https://alion.io/job/persistent-systems-senior-data-scientist-2.json","meta":{"generated_at":"2026-11-07T11:01:56Z","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":10687,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"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":59479},"rest":"https://alion.io/mcp/rest/get_company?id=59479"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpersistent-systems-senior-data-scientist-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%2Fpersistent-systems-senior-data-scientist-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%2Fpersistent-systems-senior-data-scientist-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/persistent-systems-senior-data-scientist-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpersistent-systems-senior-data-scientist-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3795320}},{"tool":"search_jobs","arguments":{"company":"persistent.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3795320},"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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