Staff Data Scientist
7 days ago
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
2 weeks ago
Noida, Uttar Pradesh, India DevloIT Full time ₹ 20,00,000 - ₹ 25,00,000 per year*Need Financial Domain ExpPosition: Data ScientistLocation: NoidaWork Mode: Onsite SetupAs an Applied/ Data scientist, you will contribute to the design, development, and improvement of AI/ML models and systems. You will be expected to:Work with applied scientists, data scientist, software engineers and product partners to design and deliver AI/ML solutions...
-
Data Scientist
2 weeks ago
Noida, Uttar Pradesh, India LanceSoft Inc Full time ₹ 15,00,000 - ₹ 35,00,000 per yearData ScientistLocation: NoidaNeed Immediate JoinersJD 1 – Data ScientistStatistical Knowledge, Good communication skillsCoding Skills in Python, SQLKnowledge on GenAiPowerBI Tableu,Good ComminicationHands on testing, coding. APIKey responsibilities:Analyze large and complex data sets to identify patterns, trends, and actionable insights using AI...
-
Data Scientist
2 weeks ago
Noida, Uttar Pradesh, India Rezo Full time ₹ 20,00,000 - ₹ 25,00,000 per yearPosition:Senior Data ScientistJob DescriptionKey Responsibilities:Design, develop, and deploy speech-to-text and text-to-speech models for various applications.Work with large language models (LLMs) and implement them in real-world projects.Analyze and interpret contact center calling data to generate meaningful business insights.Apply advanced statistical...
-
Sr Data Scientist
3 days ago
Noida, Uttar Pradesh, India Birlasoft Full time ₹ 20,00,000 - ₹ 25,00,000 per yearCountry/Region: INRequisition ID: 30111Work Model:Position Type:Salary Range:Location: INDIA - NOIDA- BIRLASOFT OFFICETitle: Sr Data ScientistDescription:Area(s) of responsibilityData Scientist experience (8 to 10 years)5 years of relevant work experience as a data scientistExperience designing and building statistical forecasting models.Experience in...
-
Data Scientist
2 weeks ago
Noida, Uttar Pradesh, India RateGain Full time ₹ 15,00,000 - ₹ 25,00,000 per yearData ScientistWe are seeking aData Scientistwith around 3 years of experience to join our analytics and machine learning team in the Ad Tech domain. In this role, you will apply statistical and machine learning techniques to improve campaign targeting, audience segmentation, and recommendation systems. You will collaborate with engineers, analysts, and...
-
Data Scientist
2 hours ago
Noida, Uttar Pradesh, India Arya Full time ₹ 6,00,000 - ₹ 18,00,000 per yearJob Title: Data ScientistLocation: On-site (Noida)Type: Full-timeExperience Level: Mid-Level (3–5 years)⸻About the Role:We are looking for a Data Scientist with a strong foundation in geospatial analysis and machine learning to join our team. You'll work on developing models and insights from satellite imagery for agricultural applications using Google...
-
Data Scientist
2 weeks ago
Noida, Uttar Pradesh, India FCS Software Solutions Full time ₹ 15,00,000 - ₹ 25,00,000 per yearJob Title: Data ScientistExperience: 7+yearsLocation: RemoteWork Timings: USA/ETJob DescriptionBuild and maintain data pipelines using Azure Data Factory, Synapse, or Databricks.Ensure data quality, transformation, and ingestion from various sources.Optimize data storage (e.g., Azure Data Lake, Blob Storage).Collaborate with ML Engineers and Solution...
-
Data Scientist
7 days ago
Noida, Uttar Pradesh, India Innovaccer Full time ₹ 15,00,000 - ₹ 20,00,000 per yearWe 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
2 weeks ago
Noida, Uttar Pradesh, India Infogain Full time ₹ 8,00,000 - ₹ 24,00,000 per yearExp: 6 to 9 yearsJob role : Data ScientistJob Location: Noida (Sector 60) / 5 days WFONotice : AnyRole & responsibilitiesThe Data Science department plays a pivotal role in our company, generating value to us by developing algorithms and analytical production-grade solutions. We leverage advanced techniques and algorithms to provide maximum value from data...
-
Data Scientist
2 weeks ago
Noida, Uttar Pradesh, India InfoStride Full time ₹ 12,00,000 - ₹ 36,00,000 per yearAbout CompanyInfostrideis a certified firm serving various Federal, State, Local, and County Departments in primarily IT consulting and Services. We specialize in providing Digital Transformation solutions to our clients, including website development, website redesign, custom application development, Cloud Infrastructure& Security & data analytics. With...