681 Lead Data Scientist jobs in Mumbai
Lead Data Scientist
Posted 15 days ago
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Job Description
Optum's Applied AI team is seeking an experienced and pragmatic Lead Data Scientist to drive the end-to-end ML lifecycle, from problem definition to robust, scalable model deployment and continuous improvement. This role demands deep expertise in machine learning, particularly with advanced transformer models and Large Language Models (LLMs), applied to complex domains such as clinical document understanding and semantic search.
**Primary Responsibilities:**
+ Own the end-to-end data science lifecycle - from problem definition and experimentation to deployment, monitoring, and continuous improvement
+ Design and deploy robust, explainable, and scalable ML models for clinical document understanding, named entity recognition, context disambiguation, and semantic search across prospective and retrospective use cases
+ Lead model development with a focus on production-readiness, incorporating solid MLOps, reproducibility, and experimentation practices
+ Diagnose and optimize model performance, mitigate bias, and ensure analytical integrity, accuracy, and operational efficiency
+ Work hands-on with multi-modal transformer models for tasks like NER, handwriting and form understanding, and document classification
+ Leverage LLMs and SLMs for clinical reasoning, automated annotation, data generation, and downstream distillation
+ Collaborate with cross-functional teams - including ML engineers, annotators, and clinical domain experts - to translate business challenges into deployable AI solutions
+ Implement automated data labeling pipelines using techniques like active learning, weak supervision, and human-in-the-loop systems
+ Ensure reproducibility and operational excellence through Git, DVC, CI/CD pipelines, and orchestration tools (e.g., Airflow, Kafka)
+ Mentor and guide junior scientists and engineers, lead technical design reviews, and set best practices for model architecture and evaluation
+ Continuously identify and close gaps in the ML platform, proposing and implementing innovative solutions to improve performance, scalability, and reliability
+ Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regards to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so
**Required Qualifications:**
+ Bachelor's degree in Computer Science or adjacent field
+ Advanced degree in a field that emphasizes the use of data science/statistics techniques (e.g., Computer Science, Applied Mathematics, or a field with direct NLP application)
+ 5+ years of experience in Data Science with a focus on Machine Learning and Natural Language Processing
+ Solid understanding of machine learning algorithms, NLP principles, and data modeling principles
+ Proficiency in Python, R, and SQL. Experience in NLP libraries such as NLTK, SpaCy, and BERT
+ Proven excellent Communication Skills
+ Proven flexibility to provide support during critical business periods
+ Proven ability to interpret and present complex data in various formats.
+ Proven solid leadership skills, ability to meet deadlines, and work independently. An analytical mindset for addressing complex business needs
+ Proven positive team player with a drive to learn and contribute to achieving results
+ Willingness to work in varying shifts
_At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission._
#NJP
Lead Data Scientist
Posted 8 days ago
Job Viewed
Job Description
Primary Responsibilities:
Ensure traceability and versioning of datasets, models & evaluation pipelines
· Design, prototype, build and maintain APIs for consumption of machine learning models at scale.
· Facilitate the development and deployment of POC machine learning systems
· Perform Data cleansing activities such as data cleaning, merging and enrichment etc.
· Perform feature engineering through extracting meaningful features from measured and/or derived data
· Perform exploratory and targeted data analyses to get key insights
· Build Stochastic and Machine learning algorithms that potentially address business problems
· Using standard methodologies framework to ensure data quality and reconciliation checks are in place and are transparent to everyone
- Interact with Business and create smart signals for VRM/RMs communication with customers
- Set up the process and continuous monitoring the performance of signals and VRMs and RM agents
Development of models & tools
- Implementation & effective usage of models
- Delivering models as per Business Alignment and expected quality.
- Design & Creation of campaign strategies independently.
- Tracking of models performance as per expectation
Lead Data Scientist
Posted 5 days ago
Job Viewed
Job Description
Lead Data Scientist
Posted today
Job Viewed
Job Description
Who we are?
REA India is a part of REA Group Ltd. of Australia (ASX: REA) (“REA Group”). It is the country’s leading full stack real estate technology platform that owns Housing.com.
In December 2020, REA Group acquired a controlling stake in REA India. REA Group, headquartered in Melbourne, Australia, is a multinational digital advertising business specialising in property. It operates Australia’s leading residential and commercial property websites, realestate.com.au and realcommercial.com.au and owns leading portals in Hong Kong (squarefoot.com.hk) and China (myfun.com). REA Group also holds a significant minority shareholding in Move, Inc., operator of realtor.com in the US, and the PropertyGuru Group, operator of leading property sites in Malaysia, Singapore, Thailand, Vietnam and Indonesia.
REA India is the only player in India that offers a full range of services in the real estate space, assisting consumers through their entire home seeking journey all the way from initial search and discovery to financing to the final step of transaction closure. It offers advertising and listings products to real estate developers, agents & homeowners, exclusive sales and marketing solutions to builders, data and content services, and personalized search, virtual viewing, site visits, negotiations, home loans and post- sales services to consumers for both buying and renting.
With a 1600+ strong team, REA India has a national presence with 25+ offices across India with its corporate office located in Gurugram, Haryana.
Housing.com
Founded in 2012 and acquired by REA India in 2017, Housing.com is India’s most innovative real estate advertising platform for homeowners, landlords, developers, and real estate brokers. The company offers listings for new homes, resale homes, rentals, plots and co-living spaces in India.
Backed by strong research and analytics, the company’s experts provide comprehensive real estate services that cover advertising and marketing, sales solutions for real estate developers, personalized search, virtual viewing, AR&VR content, home loans, end-to-end transaction services, and post-transaction services to consumers for both buying and renting.
Our Vision
Changing the way India experiences property.
Our Mission
To be the first choice of our consumers and partners in discovering, renting, buying, selling, financing a home, and digitally enabling them throughout their journey. We do that with data, design, technology, and above all, the passion of our people while delivering value to our shareholders.
Our Culture
REA India being ranked 5th among the coveted list of India’s Best 100 Companies to Work For in 2024 by the Great Place to Work Institute®. REA India was also ranked among Top 5 workplaces list in 2023, the Top 25 workplaces list in 2022 and 2021, and the Top 50 workplaces list in 2019. Culture forms the core of our foundation and our effort towards creating an engaging workplace that has resulted Best WorkplaceTM in Building a Culture of Innovation by All in 2024 & 2023 and India’s Best In addition, REA India was also recognized as WorkplacesTM in Retail (e commerce category) for the fourth time in 2024. REA India is ranked 4th among Best Workplaces in Asia in 2023 and was ranked 55th in 2022, & 48th in 2021 apart from being recognized as Top 50 Best WorkplacesTM for Women in India in 2023 and 2021. REA India is also recognized as one of India's Top 50 Best Workplaces for Millennials in 2023 by Great Place to Work®.
At REA India, we believe in creating a home for our people, where they feel a sense of belonging and purpose. By fostering a culture of inclusion and continuous learning and growth, every team
member has the opportunity to thrive, embrace the spirit of being part of a global family, while contributing to revolutionize the way India experiences property. When you come to REA India, you truly COME HOME!
REA India is an equal opportunity employer and welcomes all qualified individuals to apply for employment. We are committed to creating an environment that is free from discrimination, harassment, and any other form of unlawful behavior. We value diversity and inclusion and do not discriminate against our people or applicants for employment based on age, color, gender, marital status, caste, religion, race, ethnic group, nationality, religious or political conviction, sexual orientation, gender identity, pregnancy, family responsibility, or disability or any other legally protected status. We firmly strive to eliminate any barriers that may impede equal opportunities while also recognizing that specific job roles may require appointees to possess the necessary qualifications, skills, abilities to perform essential functions of the position effectively.
What does this role hold for you…?
At REA India, we are driving cutting-edge innovation by embracing a comprehensive approach to machine learning. Unlike many organizations that specialize in just one area, here, you will have the opportunity to work across all aspects of machine learning: from predictive models, time-series forecasting, and recommender systems, to computer vision and Gen AI-powered agents. This diverse exposure to a range of ML technologies is a unique opportunity to broaden your skill set and make an impact at scale.
What will you drive?
- Spearhead applied research and development of advanced AI/ML solutions across domains including recommender systems, computer vision, speech processing, and generative AI agents
- Architect and deploy end-to-end ML pipelines leveraging state-of-the-art deep learning, NLP, time-series modelling, and image analysis techniques
- Design scalable, maintainable AI/ML platforms that deliver robustness, reliability, and alignment with enterprise objectives
- Partner with engineering, design, and product teams to operationalize ML models, ensuring seamless integration and measurable business impact
- Provide ML thought leadership and lead high-performing teams, enforcing best practices from experimentation through production deployment
- Shape AI strategy and guide data-driven decision-making, influencing product innovation and operational excellence across the organization
Who are we looking for?
- Graduate/Post-graduate from Tier-I institutes (IITs, IIITs, NITs) with 5–8 years of applied experience in AI/ML , spanning NLP, deep learning, computer vision, image processing, and with introductory experience in building or fine-tuning generative AI models.
- Proven leadership (2+ years) in leading teams and driving ML projects , with a track record of building strong Data Science practices and fostering high-performance culture.
- Advanced ML Expertise: Proficiency in ML frameworks (TensorFlow, PyTorch, Keras, scikit-learn) and Python, with hands-on experience in deep learning architectures (Transformers, CNNs, RNNs, LSTMs), statistical modelling, and scalable deployment using distributed systems (e.g., Spark, Hadoop).
- Generative AI & Applied Innovation: Practical experience with LLM fine-tuning, RAG pipelines, embeddings, and prompt engineering; familiarity with GenAI ecosystems (LangChain, Langraph, Pinecone, CrewAI) and integration into production applications.
- End-to-End Impact & Collaboration: Strong background in data wrangling, feature engineering, and MLOps, combined with proven ability to collaborate across engineering, product, and business teams and communicate complex concepts effectively.
- A passion for solving complex problems with the courage to take research risks and drive innovation.
Lead Data Scientist
Posted today
Job Viewed
Job Description
Who we are?
REA India is a part of REA Group Ltd. of Australia (ASX: REA) (“REA Group”). It is the country’s leading full stack real estate technology platform that owns Housing.com.
In December 2020, REA Group acquired a controlling stake in REA India. REA Group, headquartered in Melbourne, Australia, is a multinational digital advertising business specialising in property. It operates Australia’s leading residential and commercial property websites, realestate.com.au and realcommercial.com.au and owns leading portals in Hong Kong (squarefoot.com.hk) and China (myfun.com). REA Group also holds a significant minority shareholding in Move, Inc., operator of realtor.com in the US, and the PropertyGuru Group, operator of leading property sites in Malaysia, Singapore, Thailand, Vietnam and Indonesia.
REA India is the only player in India that offers a full range of services in the real estate space, assisting consumers through their entire home seeking journey all the way from initial search and discovery to financing to the final step of transaction closure. It offers advertising and listings products to real estate developers, agents & homeowners, exclusive sales and marketing solutions to builders, data and content services, and personalized search, virtual viewing, site visits, negotiations, home loans and post- sales services to consumers for both buying and renting.
With a 1600+ strong team, REA India has a national presence with 25+ offices across India with its corporate office located in Gurugram, Haryana.
Housing.com
Founded in 2012 and acquired by REA India in 2017, Housing.com is India’s most innovative real estate advertising platform for homeowners, landlords, developers, and real estate brokers. The company offers listings for new homes, resale homes, rentals, plots and co-living spaces in India.
Backed by strong research and analytics, the company’s experts provide comprehensive real estate services that cover advertising and marketing, sales solutions for real estate developers, personalized search, virtual viewing, AR&VR content, home loans, end-to-end transaction services, and post-transaction services to consumers for both buying and renting.
Our Vision
Changing the way India experiences property.
Our Mission
To be the first choice of our consumers and partners in discovering, renting, buying, selling, financing a home, and digitally enabling them throughout their journey. We do that with data, design, technology, and above all, the passion of our people while delivering value to our shareholders.
Our Culture
REA India being ranked 5th among the coveted list of India’s Best 100 Companies to Work For in 2024 by the Great Place to Work Institute®. REA India was also ranked among Top 5 workplaces list in 2023, the Top 25 workplaces list in 2022 and 2021, and the Top 50 workplaces list in 2019. Culture forms the core of our foundation and our effort towards creating an engaging workplace that has resulted Best WorkplaceTM in Building a Culture of Innovation by All in 2024 & 2023 and India’s Best In addition, REA India was also recognized as WorkplacesTM in Retail (e commerce category) for the fourth time in 2024. REA India is ranked 4th among Best Workplaces in Asia in 2023 and was ranked 55th in 2022, & 48th in 2021 apart from being recognized as Top 50 Best WorkplacesTM for Women in India in 2023 and 2021. REA India is also recognized as one of India's Top 50 Best Workplaces for Millennials in 2023 by Great Place to Work®.
At REA India, we believe in creating a home for our people, where they feel a sense of belonging and purpose. By fostering a culture of inclusion and continuous learning and growth, every team
member has the opportunity to thrive, embrace the spirit of being part of a global family, while contributing to revolutionize the way India experiences property. When you come to REA India, you truly COME HOME!
REA India is an equal opportunity employer and welcomes all qualified individuals to apply for employment. We are committed to creating an environment that is free from discrimination, harassment, and any other form of unlawful behavior. We value diversity and inclusion and do not discriminate against our people or applicants for employment based on age, color, gender, marital status, caste, religion, race, ethnic group, nationality, religious or political conviction, sexual orientation, gender identity, pregnancy, family responsibility, or disability or any other legally protected status. We firmly strive to eliminate any barriers that may impede equal opportunities while also recognizing that specific job roles may require appointees to possess the necessary qualifications, skills, abilities to perform essential functions of the position effectively.
What does this role hold for you…?
At REA India, we are driving cutting-edge innovation by embracing a comprehensive approach to machine learning. Unlike many organizations that specialize in just one area, here, you will have the opportunity to work across all aspects of machine learning: from predictive models, time-series forecasting, and recommender systems, to computer vision and Gen AI-powered agents. This diverse exposure to a range of ML technologies is a unique opportunity to broaden your skill set and make an impact at scale.
What will you drive?
- Spearhead applied research and development of advanced AI/ML solutions across domains including recommender systems, computer vision, speech processing, and generative AI agents
- Architect and deploy end-to-end ML pipelines leveraging state-of-the-art deep learning, NLP, time-series modelling, and image analysis techniques
- Design scalable, maintainable AI/ML platforms that deliver robustness, reliability, and alignment with enterprise objectives
- Partner with engineering, design, and product teams to operationalize ML models, ensuring seamless integration and measurable business impact
- Provide ML thought leadership and lead high-performing teams, enforcing best practices from experimentation through production deployment
- Shape AI strategy and guide data-driven decision-making, influencing product innovation and operational excellence across the organization
Who are we looking for?
- Graduate/Post-graduate from Tier-I institutes (IITs, IIITs, NITs) with 5–8 years of applied experience in AI/ML , spanning NLP, deep learning, computer vision, image processing, and with introductory experience in building or fine-tuning generative AI models.
- Proven leadership (2+ years) in leading teams and driving ML projects , with a track record of building strong Data Science practices and fostering high-performance culture.
- Advanced ML Expertise: Proficiency in ML frameworks (TensorFlow, PyTorch, Keras, scikit-learn) and Python, with hands-on experience in deep learning architectures (Transformers, CNNs, RNNs, LSTMs), statistical modelling, and scalable deployment using distributed systems (e.g., Spark, Hadoop).
- Generative AI & Applied Innovation: Practical experience with LLM fine-tuning, RAG pipelines, embeddings, and prompt engineering; familiarity with GenAI ecosystems (LangChain, Langraph, Pinecone, CrewAI) and integration into production applications.
- End-to-End Impact & Collaboration: Strong background in data wrangling, feature engineering, and MLOps, combined with proven ability to collaborate across engineering, product, and business teams and communicate complex concepts effectively.
- A passion for solving complex problems with the courage to take research risks and drive innovation.
Lead Data Scientist
Posted today
Job Viewed
Job Description
Who we are?
REA India is a part of REA Group Ltd. of Australia (ASX: REA) (“REA Group”). It is the country’s leading full stack real estate technology platform that owns Housing.com.
In December 2020, REA Group acquired a controlling stake in REA India. REA Group, headquartered in Melbourne, Australia, is a multinational digital advertising business specialising in property. It operates Australia’s leading residential and commercial property websites, realestate.com.au and realcommercial.com.au and owns leading portals in Hong Kong (squarefoot.com.hk) and China (myfun.com). REA Group also holds a significant minority shareholding in Move, Inc., operator of realtor.com in the US, and the PropertyGuru Group, operator of leading property sites in Malaysia, Singapore, Thailand, Vietnam and Indonesia.
REA India is the only player in India that offers a full range of services in the real estate space, assisting consumers through their entire home seeking journey all the way from initial search and discovery to financing to the final step of transaction closure. It offers advertising and listings products to real estate developers, agents & homeowners, exclusive sales and marketing solutions to builders, data and content services, and personalized search, virtual viewing, site visits, negotiations, home loans and post- sales services to consumers for both buying and renting.
With a 1600+ strong team, REA India has a national presence with 25+ offices across India with its corporate office located in Gurugram, Haryana.
Housing.com
Founded in 2012 and acquired by REA India in 2017, Housing.com is India’s most innovative real estate advertising platform for homeowners, landlords, developers, and real estate brokers. The company offers listings for new homes, resale homes, rentals, plots and co-living spaces in India.
Backed by strong research and analytics, the company’s experts provide comprehensive real estate services that cover advertising and marketing, sales solutions for real estate developers, personalized search, virtual viewing, AR&VR content, home loans, end-to-end transaction services, and post-transaction services to consumers for both buying and renting.
Our Vision
Changing the way India experiences property.
Our Mission
To be the first choice of our consumers and partners in discovering, renting, buying, selling, financing a home, and digitally enabling them throughout their journey. We do that with data, design, technology, and above all, the passion of our people while delivering value to our shareholders.
Our Culture
REA India being ranked 5th among the coveted list of India’s Best 100 Companies to Work For in 2024 by the Great Place to Work Institute®. REA India was also ranked among Top 5 workplaces list in 2023, the Top 25 workplaces list in 2022 and 2021, and the Top 50 workplaces list in 2019. Culture forms the core of our foundation and our effort towards creating an engaging workplace that has resulted Best WorkplaceTM in Building a Culture of Innovation by All in 2024 & 2023 and India’s Best In addition, REA India was also recognized as WorkplacesTM in Retail (e commerce category) for the fourth time in 2024. REA India is ranked 4th among Best Workplaces in Asia in 2023 and was ranked 55th in 2022, & 48th in 2021 apart from being recognized as Top 50 Best WorkplacesTM for Women in India in 2023 and 2021. REA India is also recognized as one of India's Top 50 Best Workplaces for Millennials in 2023 by Great Place to Work®.
At REA India, we believe in creating a home for our people, where they feel a sense of belonging and purpose. By fostering a culture of inclusion and continuous learning and growth, every team
member has the opportunity to thrive, embrace the spirit of being part of a global family, while contributing to revolutionize the way India experiences property. When you come to REA India, you truly COME HOME!
REA India is an equal opportunity employer and welcomes all qualified individuals to apply for employment. We are committed to creating an environment that is free from discrimination, harassment, and any other form of unlawful behavior. We value diversity and inclusion and do not discriminate against our people or applicants for employment based on age, color, gender, marital status, caste, religion, race, ethnic group, nationality, religious or political conviction, sexual orientation, gender identity, pregnancy, family responsibility, or disability or any other legally protected status. We firmly strive to eliminate any barriers that may impede equal opportunities while also recognizing that specific job roles may require appointees to possess the necessary qualifications, skills, abilities to perform essential functions of the position effectively.
What does this role hold for you…?
At REA India, we are driving cutting-edge innovation by embracing a comprehensive approach to machine learning. Unlike many organizations that specialize in just one area, here, you will have the opportunity to work across all aspects of machine learning: from predictive models, time-series forecasting, and recommender systems, to computer vision and Gen AI-powered agents. This diverse exposure to a range of ML technologies is a unique opportunity to broaden your skill set and make an impact at scale.
What will you drive?
- Spearhead applied research and development of advanced AI/ML solutions across domains including recommender systems, computer vision, speech processing, and generative AI agents
- Architect and deploy end-to-end ML pipelines leveraging state-of-the-art deep learning, NLP, time-series modelling, and image analysis techniques
- Design scalable, maintainable AI/ML platforms that deliver robustness, reliability, and alignment with enterprise objectives
- Partner with engineering, design, and product teams to operationalize ML models, ensuring seamless integration and measurable business impact
- Provide ML thought leadership and lead high-performing teams, enforcing best practices from experimentation through production deployment
- Shape AI strategy and guide data-driven decision-making, influencing product innovation and operational excellence across the organization
Who are we looking for?
- Graduate/Post-graduate from Tier-I institutes (IITs, IIITs, NITs) with 5–8 years of applied experience in AI/ML , spanning NLP, deep learning, computer vision, image processing, and with introductory experience in building or fine-tuning generative AI models.
- Proven leadership (2+ years) in leading teams and driving ML projects , with a track record of building strong Data Science practices and fostering high-performance culture.
- Advanced ML Expertise: Proficiency in ML frameworks (TensorFlow, PyTorch, Keras, scikit-learn) and Python, with hands-on experience in deep learning architectures (Transformers, CNNs, RNNs, LSTMs), statistical modelling, and scalable deployment using distributed systems (e.g., Spark, Hadoop).
- Generative AI & Applied Innovation: Practical experience with LLM fine-tuning, RAG pipelines, embeddings, and prompt engineering; familiarity with GenAI ecosystems (LangChain, Langraph, Pinecone, CrewAI) and integration into production applications.
- End-to-End Impact & Collaboration: Strong background in data wrangling, feature engineering, and MLOps, combined with proven ability to collaborate across engineering, product, and business teams and communicate complex concepts effectively.
- A passion for solving complex problems with the courage to take research risks and drive innovation.
Lead Data Scientist
Posted today
Job Viewed
Job Description
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Lead Data Scientist
Posted today
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