Data Scientist II

Jiostar; Bengaluru; On-site; INR 2,400,000 - 4,200,000; Full time

Job summary

JioStar is seeking a Data Scientist II to research, analyze, and develop advanced video generation models that boost user engagement, satisfaction, and retention. You will work at the intersection of creativity and technology to create end-to-end experiences and scalable platforms powering entertainment content.

The role involves prototyping deep learning architectures, collaborating with vendors, and leading in-house solutions to improve video quality, generation time, and content relevance.

Qualifications

• Master's or PhD in Computer Science, Statistics, Mathematics, or related field with 2-4 years of experience.
• Experience with training large-scale models and multimodal generation.
• Strong communication and collaboration with product and leadership.

Responsibilities

• Design, prototype, and refine deep learning models for text-to-video and image-to-video generation.
• Collaborate with 3rd-party AI vendors to evaluate capabilities and drive integration.
• Lead in-house solutions to augment 3rd-party offerings for video quality and relevance.
• Develop pipelines for dataset curation, preprocessing, training, and evaluation with quality metrics.
• Work with product managers and engineers to define use cases and production-grade AI systems.
• Run A/B tests and iterate based on performance to align with goals.
• Stay ahead of GenAI trends and share insights in technical forums.

Skills

LLMs

Fine-tuning

Prompt engineering

Multimodal generation

Diffusion models

Transformers

GANs

Computer vision

NLP

Multimodal learning

Transfer learning

Large-scale training

Python

SQL

TensorFlow/PyTorch

A/B testing

Mentoring

Education

Master's or PhD in Computer Science, Statistics, Mathematics, or related field

Job description

Job Summary

As a Data scientist II, you will research, analyze, and develop advanced video generation models to enhance JioStar's current and prospective content production. This initiative aims to achieve quantifiable improvements in user engagement, satisfaction, and retention, driven by data-driven innovations.

About the team

We're an agile, fast-moving team, focused on turning bold ideas into impactful products.
From rapid prototyping of new concepts to building scalable platforms that power future growth, we thrive on experimentation and innovation.
Our platform highlights creators and their narratives by giving them AI-powered systems using advanced machine learning and multimedia pipelines.
As part of this team, you'll work at the intersection of creativity and technology - building end-to-end experiences, experimenting with emerging tech, and shaping the future of entertainment content.

Key responsibilities

• Design, prototype, and refine deep learning models for text-to-video and image-to-video generation using cutting-edge techniques in generative AI (e.g., diffusion models, transformers, temporal GANs)
• Collaborate with 3rd-party AI vendors to evaluate their capabilities, run quality benchmarks, and drive technical integration where applicable
• Lead the creation of in-house solutions to augment 3rd-party offerings, with a focus on improving video quality, generation time, and content relevance
• Develop robust pipelines for dataset curation, preprocessing, training, and model evaluation, including automated visual, temporal, and semantic quality metrics
• Work closely with product managers, engineering teams, and senior leadership to define use cases, set priorities, and bring production-grade AI systems to life
• Run A/B tests, iterate based on performance feedback, and ensure alignment with product experience goals and creative quality standards
• Stay ahead of the curve in the fast-moving GenAI space; guide strategy, share insights internally, and represent the team in technical forums as needed

Skills and attributes for success

• Strong understanding of LLMs, with hands-on experience in fine-tuning, prompt engineering, and evaluating foundation models for applied use-cases for multimodal generation
• Proven experience with deep learning architectures for generative tasks (e.g., diffusion models, transformers, GANs)
• Solid understanding of computer vision, natural language processing, and multimodal learning
• Experience with training large-scale models, transfer learning, and fine-tuning on custom datasets
• Familiarity with ML evaluation techniques, including perceptual quality metrics and user-in-the-loop testing
• Knowledge of model deployment and performance tuning in production environments
• Hands-on experience building and optimizing text-to-video, image-to-video, or similar generative pipelines
• Hands-on experience with Python, SQL, and TensorFlow/PyTorch for implementing and evaluating algorithms
• Excellent communication skills; able to present complex concepts clearly to technical and non-technical stakeholders
• Experience with experimental design and A/B testing methodologies
• Strong leadership capabilities with demonstrated experience mentoring junior data scientists

Preferred education and experience

Master's or PhD in Computer Science, Statistics, Mathematics, or related quantitative field with 2-4 years of experience in data science/machine learning

About Us

Perched firmly at the nucleus of spellbinding content and innovative technology, JioStar is a leading global media & entertainment company that is reimagining the way audiences consume entertainment and sports. Its television network and streaming service together reach more than 750 million viewers every week, igniting the dreams and aspirations of hundreds of million people across geographies.
JioStar is an equal opportunity employer. The company values diversity and its mission is to create a workplace where everyone can bring their authentic selves to work. The company ensures that the work environment is free from any discrimination against persons with disabilities, gender, gender identity and any other characteristics or status that is legally protected