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Senior Data Scientist (Reinforcement Learning must have)

InfoObjects Inc

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Remote

Contract

Senior Data Scientist (Reinforcement Learning must have) Location: 100% Remote Duration: 6 Months contract Reinforcement Learning (RL) Skill Set Understanding of Sequential Decision MakingRL focuses on agents making a series of decisions to maximize cumulative reward.Requires knowledge of Markov Decision Processes (MDPs), policy/value functions, and Bellman equations.Algorithmic Expertise in RLFamiliarity with algorithms like:Q-learning, SARSADeep Q-Networks (DQN)Policy Gradient methods (REINFO
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Posted 16 days ago | Updated 5 days ago

Data Scientist AL/ML@ REMOTE

Hermitage Info Tech, LLC.

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Remote

Contract

Note: Need Exp 10+yrs C2H or contract to Hire position only. Role: Data Scientist AL/MLLocation: REMOTEDuration of Contract: Long Term contractJob Details: 5-10+ years of experience in AI and machine learning, model building, evaluation, and fine-tuning.2+ years of working knowledge of applying recent LLMs including ChatGPT, GPT 3.5, OPT, BLOOM Experience working directly with large language models and Transformer based architectures including BERT, RoBERTa, T5 etc.NLP Experience (Named Entity R
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Posted 9 days ago

Senior Data Scientist (Gen AI/ML Focus)

Lumen Solutions Group Inc.

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Remote or Reston, Virginia, USA

Contract

Role: Senior Data Scientist (Gen AI/ML Focus) Location: Reston, VA (Remote) About the Role: We are seeking a highly experienced Senior Data Scientist with a strong background in Generative AI (Gen AI), Machine Learning (ML), and Natural Language Processing (NLP) to join our innovative data science team. This role will be pivotal in leading AI/ML solution design, converting manual processes to automated NLP-based systems, and integrating with cloud and API-driven platforms. The ideal candidate w
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Posted 2 days ago | Updated moments ago

Data Scientist

Advanced Software Talent

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Remote or Mississauga, Ontario, Canada

Contract

Job DetailsNo sub-contracting ! Direct W/2's only. Hybrid or fully remote. Candidates must be located in Canada! Need: Data Scientist to build and deploy Machine Learning models. More detail upon request. Required skills: Full life cycle M/L project experience resulting in M/L solutions MS in CS, Statistics, Engineering, Math, or other quantitative field 3+years work in an enterprise environment working on M/L models as a data scientist Experience with Python and its data science libraries AWS o
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Posted 3 days ago | Updated 1 day ago

Data Scientist

Raas Infotek LLC

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Remote

Contract

Data Scientist Remote Contract Duration: 6+ Months We are seeking a Data Scientist with strong analytical skills and hands-on experience in data modeling, machine learning, and cloud-based data platforms. This is a W2-only contract role (no C2C) open to qualified professionals across the U.S. Key Responsibilities:Analyze large volumes of structured and unstructured data to generate insights. Build and deploy machine learning models to support business objectives. Collaborate with cross-functiona
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Posted 2 days ago

Data Scientist

INSPYR Solutions

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Remote or Houston, Texas, USA

Contract

Title: Data Scientist Location: Remote Duration: Contract/Contract-to-Hire Work Requirements: , Holders or Authorized to Work in the US. W2/direct-employment only. Top Skills Required: Strong Python experience Strong experience in machine learning and building predictive models Experience with Databricks and/or PySpark Job Summary: Our data scientists use a combination of technical and business skills to help our brands achieve their financial and strategic objectives. A Data Scientist learns
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Posted 4 days ago | Updated moments ago

Data Scientist

Thomson Reuters U.S. Inc.

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Remote or McLean, Virginia, USA

Full-time

About the role: The Data Scientist will be responsible for managing, understanding and analyzing in-house and customer data - including text mining, developing predictive systems, risk scoring, creating efficient algorithms, data quality improvement and other related activities. This individual will work closely with the TRSS Analysts to drive, identify, evaluate, design and implement statistical analyses of gathered open source, proprietary, and customer data to create analytic metrics and too
Posted 8 days ago | Updated 10 hours ago

Interoperability Data Scientist

Booz Allen Hamilton

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Remote

Full-time

Job Number: R0223517 Interoperability Data Scientist The Opportunity: As a data scientist, you're excited at the prospect of unlocking the secrets held by a data set, and you're fascinated by the possibilities presented by IoT, machine learning, and artificial intelligence. In an increasingly connected world, massive amounts of structured and unstructured data open new opportunities. As a data scientist at Booz Allen, you can help turn these complex data sets into useful information to solve glo
Posted 2 days ago | Updated 11 hours ago

Sr Data Scientist

Johnson & Johnson

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Remote or New Brunswick, New Jersey, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m
Posted 2 days ago | Updated 10 hours ago

Senior Data Scientist

ConfigUSA

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Remote or Reston, Virginia, USA

Contract

the Data Science team at CF that is in charge of the GenAI function. This person will act as primary source on new project as well as join several existing projects. Really needs to have NLP exp, AI/ML exp and a strong understanding of data engineering. Needs to be able to bring solutions to table. First primary project (Very early stages but some groundwork has been laid): Scripts to natural language Must haves: SQL scripting exp, data modeling / relational database structure, exp with indexing
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Posted 2 days ago

Data Scientist

Newt Global

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Remote

Contract

Product & Functional Skills Looking for Sr. Data Scientist with deep expertise in machine learning, AI and a track record of developing production ML/AI solutions that are business impactful. As part of our team, you will be working side-by-side with high-impact engineers and strategic customers to solve complex problems. You will communicate trends and innovative solutions to stakeholders. You will work cross-functionally with several teams including engineering crews, product teams, and progr
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Posted 17 days ago | Updated 13 days ago

Data Scientist

GovCIO

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Remote

Full-time

Overview GovCIO is currently seeking a Data Scientist (Remote) to become a subject matter expert on our Team. This position is fully remote, full time and available to candidates within the Continental United States (CONUS). Please note: The contract has not been awarded; this position remains unfunded and is contingent upon the award of the contract. Responsibilities GovCIO is seeking a Data Scientist Team Lead who will apply senior application product expert skills to support building proc
Posted 15 days ago | Updated 7 hours ago

Principal Data Scientist

Talent Groups

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Remote

Full-time

Leads the pod, provides technical guidance, ensures productivity from day one.Must need the exp in belowDeep expertise in AI, LLMs, RAG, embeddings, transformers, and healthcare data extraction.Not a managerial role but a technical leadership position.
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Posted 2 days ago

Data Scientist

Advanced Software Talent

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Remote

Contract

No sub-contracting ! Direct W/2's only. Hybrid or fully remote. Need: Data Scientist to build and deploy Machine Learning models. More detail upon request. Required skills: Full life cycle M/L project experience resulting in M/L solutionsMS in CS, Statistics, Engineering, Math, or other quantitative field3+years work in an enterprise environment working on M/L models as a data scientistExperience with Python and its data science librariesAWS or other cloud platformExperience building models for
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Posted 16 days ago | Updated 15 days ago

Senior Data Scientist

Mass General Brigham

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Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par
Posted 11 days ago | Updated 10 hours ago

Senior Data Scientist - Retail

CVS Health

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Georgia, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 1 day ago | Updated 10 hours ago

Senior Data Scientist - Remote

UnitedHealth Group

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Remote or San Diego, California, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op
Posted 2 days ago | Updated 10 hours ago

Data Scientist

Dale Workforce Solutions

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Remote or Thousand Oaks, California, USA

Contract

The ideal candidate will have at least two years of experience coding in Python and SQL, with the ability to understand and translate scientific business processes into functional applications for internal stakeholders. A background in science or engineering is required, ideally with a Bachelor s or Master s degree in data science, computer science, bioinformatics, or a related field. Familiarity with generative AI is preferred but not mandatory. Candidates should be effective communicators capa
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Posted 4 days ago | Updated moments ago

Data Scientist

Proventus Metrics

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Remote

Full-time, Third Party

Data Scientist Key Responsibilities - Lead end-to-end training and fine-tuning of Large Language Models (LLMs), including both open-source (e.g., Qwen, LLaMA, Mistral) and closed-source (e.g., OpenAI, Gemini, Anthropic) ecosystems. Architect and implement GraphRAG pipelines, including knowledge graph representation and retrieval for enhanced contextual grounding. Design, train, and optimize semantic and dense vector embeddings for document understanding, search, and retrieval. Develop semantic r
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Posted 6 days ago | Updated 5 days ago

Senior Data Scientist (Remote)

RTX Corporation

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Remote or Connecticut, USA

Full-time

Date Posted: 2025-07-30 Country: United States of America Location: PW208: Connecticut Remote Remote Location , Remote City, CT, 06035 USA Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Pratt & Whitney is working to once again transform the future of flight - designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're seeking the people to dri
Posted 10 hours ago