Staff Data Scientist

5 days ago

Noida, Uttar Pradesh, India PW (PhysicsWallah) Full time ₹ 15,00,000 - ₹ 20,00,000 per year

Job Description – Staff / Sr. Staff Data Scientist (ML & Recommendations)

Location:
Noida / Bangalore

About the Company

PhysicsWallah (PW) is India's leading edtech platform, founded in 2016 by
Alakh Pandey
with a mission to make high-quality education affordable and accessible for every student.

What began as a YouTube channel has now grown into a
multi-billion-dollar unicorn
serving millions of learners through online courses, offline hybrid centres, and test-prep programs for JEE, NEET, UPSC, state boards, and beyond.

With
15M+ app downloads
,
2M+ daily learners
, and
120+ offline centres
across India, PW has transformed the education landscape by combining
technology, pedagogy, and affordability
. Recognised as a
Great Place to Work
, the company continues to expand globally, partner with state governments, and pioneer
AI-driven innovation in education
.

Qualification & Eligibility

  • Bachelor's or higher degree in a quantitative discipline (Computer Science, Statistics, Engineering, Applied Mathematics).

Work Experience

  • Minimum
    6+ years of experience
    .
  • Startup experience preferred; Edtech work experience is a bonus.

Roles & Responsibilities

  • Model Development:
    Design, train, and deploy recommendation algorithms (collaborative filtering, deep learning, bandits, reinforcement learning, embeddings, etc.).
  • Experimentation:
    Set up A/B testing frameworks, design evaluation metrics (CTR, engagement, retention, revenue lift), and analyze causal impact.
  • Data & Feature Engineering:
    Build and optimize pipelines to generate high-quality features from large-scale user, content, and interaction data.
  • Scalability & Systems:
    Collaborate with engineering to ensure models are production-ready, scalable, and low-latency.
  • Domain Leadership:
    Drive innovation in personalization strategies (multi-objective optimization, cold-start solutions, contextual recommendations, etc.).
  • Mentorship:
    Provide technical leadership, code reviews, and best practices to other scientists.

Skill Sets Required

  • Core ML:
    Strong background in machine learning fundamentals – supervised/unsupervised learning, regression/classification, probability & statistics.
  • Recommendation Systems:
    Deep understanding of collaborative filtering, matrix factorization, sequence models, embeddings, two-tower retrieval models, deep retrieval/ranking architectures, and multi-task learning.
  • Programming:
    Proficiency in Python (NumPy, pandas, scikit-learn, PyTorch/TensorFlow, JAX). Strong SQL skills.
  • Experimentation:
    Expertise in A/B testing design, statistical significance, confidence intervals, and bias correction.
  • Systems/Infra Awareness:
    Familiarity with model serving, feature stores, online/offline training pipelines, and latency optimization.
  • Communication:
    Ability to translate technical insights into business impact and influence product/engineering roadmaps.

Good to Have:

  • Experience with big data tools (Spark, Trino, Presto, Hadoop, BigQuery, Redshift).
  • Leveraging LLMs for personalization.

  • Data Scientist

    3 days ago

    Noida, Uttar Pradesh, India Denave Full time

    Job Description- The candidate will be primarily responsible for building models and bots for executing various data maintenance, profiling, and historical and predictive analysis tasks. He will be an integral part of a team comprising of Data Scientists, Python Programmers and Data Analysts.Experience Essential- Experience in relation extraction, knowledge...

  • Data Scientist

    3 weeks ago

    Noida, Uttar Pradesh, India Comptech Associates Full time

    About the Job:Job Title: Data Engineer/Data ScientistWork location: Noida ,UPJob title: Data ScientistLocation: Noida- India- OnsiteDuration: FulltimeTime :EST Time ZoneNote :Healthcare/Pharma background is must Job description:Develop and deploy predictive models and machine learning algorithmsAnalyze large, complex datasets to generate actionable...

  • Data Scientist

    6 days ago

    Noida, Uttar Pradesh, India BIG Language Solutions Full time US$ 1,50,000 - US$ 2,00,000 per year

    Data ScientistJob title: Data ScientistLocation: Noida(Work from Office)Shift: US ShiftDesign, build, and maintain robust and scalable applications using Python and advanced AI frameworks.Develop complex, multi-step workflows and autonomous systems using LLM Orchestrators like LangChain, LlamaIndex, or Semantic Kernel.Integrate AI models and agentic systems...

  • Data Scientist

    5 days ago

    Noida, Uttar Pradesh, India beBeeData Full time ₹ 9,00,000 - ₹ 12,00,000

    Data Scientist - Create and maintain data systems to ensure high-quality insights.Job Responsibilities:Develop and implement ETL processes using Snowflake, DWH, and database automation testingDesign and optimize data models for efficient data analysisCollaborate with teams to identify business needs and create effective data solutionsBenefits:Learning and...

  • Data Scientist

    2 weeks ago

    Noida, Uttar Pradesh, India BIG Language Solutions Full time

    Job Description – Data ScientistDesign, build, and maintain robust and scalable applications using Python and advanced AI frameworks.Develop complex, multi-step workflows and autonomous systems using LLM Orchestrators like LangChain, LlamaIndex, or Semantic Kernel.Integrate AI models and agentic systems with our existing data pipelines, APIs, and...

  • Data Scientist

    1 week ago

    Noida, Uttar Pradesh, India BIG Language Solutions Full time

    Job Description – Data Scientist- Design, build, and maintain robust and scalable applications using Python and advanced AI frameworks.- Develop complex, multi-step workflows and autonomous systems using LLM Orchestrators like LangChain, LlamaIndex, or Semantic Kernel.- Integrate AI models and agentic systems with our existing data pipelines, APIs, and...

  • Data Scientist

    6 days ago

    Noida, Uttar Pradesh, India Innovaccer Full time ₹ 15,00,000 - ₹ 20,00,000 per year

    We are looking for a Data Scientist with industry experience in applying a variety of machine learning solutions to real-world large-scale data to build intelligent systems. Healthcare background is a plus. Passion for travel can help you score some brownie points.THE THINGS YOULL BE DOINGDesign scalable solutions for real-time performance on a significantly...

  • Data Scientist Leader

    5 days ago

    Noida, Uttar Pradesh, India beBeeMachineLearning Full time ₹ 1,50,00,000 - ₹ 2,50,00,000

    Job OpportunityWe are seeking a highly skilled Data Scientist to drive our organization's data science initiatives. As a Data Scientist, you will design and implement cutting-edge data science pipelines from data ingestion to model deployment.Key Responsibilities:Design and develop robust data science pipelines using Spark, Pandas, or similar...

  • Data Scientist

    6 days ago

    Noida, Uttar Pradesh, India Comptech Associates Full time US$ 90,000 - US$ 1,20,000 per year

    Job title: Data ScientistLocation: Noida- India- OnsiteDuration: FulltimeNOTE: Candidates joining within 30 days from confirmation will only be considered.Job description:Develop and deploy predictive models and machine learning algorithmsAnalyze large, complex datasets to generate actionable insightsCollaborate with cross-functional teams including R&D,...

  • Data Scientist

    1 week ago

    Noida, Uttar Pradesh, India BIG Language Solutions Full time

    Job Description – Data ScientistDesign, build, and maintain robust and scalable applications using Python and advanced AI frameworks.Develop complex, multi-step workflows and autonomous systems using LLM Orchestrators like LangChain, LlamaIndex, or Semantic Kernel.Integrate AI models and agentic systems with our existing data pipelines, APIs, and...