LLM Research Intern

Sony Research India is driving cutting-edge research and development in various locations around the globe, including laboratories in Japan, the United States, Europe, and Asia. We endeavor to create new technology, products, and services while sustaining Sony Groups diverse businesses in electronics, entertainment, and financial fields. For our research centre to blaze a trail in the latest technologies, we seek to foster the growth of a diverse pool of research and engineering talent and create a technology talent bank to drive research excellence worldwide. Sony Research India is offering outstanding career opportunities around frontline technologies such as AI and data analytics.

What we are looking for:

We are seeking a highly motivated LLM Research Intern with strong hands-on skills in PyTorch and a solid foundation in deep learning and NLP. The intern will work on large language model (LLM)-based systems across downstream tasks such as Neural Machine Translation (NMT), Natural Language Processing (NLP), and Natural Language Understanding (NLU).

• This role is ideal for candidates who have expertise implementing research ideas, running experiments, optimizing models, and contributing to real-world multilingual AI systems. The intern will collaborate closely with research scientists and engineers to build scalable, efficient, and high-quality language technologies, particularly for entertainment-domain translation and related multilingual applications.

Key Responsibilities:

• Implement and experiment with LLM-based models using PyTorch, including fine-tuning, evaluation, and optimization.
• Assist in building and improving multilingual pipelines for tasks such as NMT, NLP, and dialogue processing.
• Support model training and inference optimization, including memory-efficient training, batching strategies, and decoding improvements.
• Conduct experiments, run benchmarks, and perform error analysis to improve model performance.
• Help integrate models into prototype or production-ready systems under guidance from senior researchers.
• Read and reproduce recent research papers related to LLMs and contribute to extending them for practical use cases.

Work Location:

Remote within India.

Duration of the paid internship:

• The paid internship will be for 6 months starting second week of March 2026.
• The working hours are from 9:00 to 18:00 (Monday to Friday) full-time.

Essential Education:

Ph.D./Masters in Computer Science background/Bachelors with hands-on experience on Python with an applications in Language Processing.

Skills required:

Essential Skills:

• Strong hands-on experience in PyTorch (mandatory)
• Strong Python programming skills (mandatory)
• Good understanding of deep learning fundamentals (transformers, backpropagation, optimization, regularization)
• Familiarity with NLP concepts and language models
• Ability to implement research ideas and run controlled experiments.

Good to have Skills:

• Experience with Hugging Face Transformers or similar LLM frameworks.
• Prior project or internship experience in NLP or LLM-based systems.
• Familiarity with GPU training environments and experiment tracking tools.
• Ability to read and understand ML research papers.

Our Values:

Dreams & Curiosity: Pioneer the future with dreams and curiosity.

Diversity: Pursue the creation of the very best by harnessing diversity and varying viewpoints.

Integrity & Sincerity: Earn the trust for Sony brand through ethical and responsible conduct.

Sustainability: Fulfil our stakeholder responsibilities through disciplined business practices.

Sony Research India is committed to equal opportunity in all its employment practices, policies and procedures and to ensuring that no worker or potential worker will receive less favourable treatment due to any characteristic protected under applicable local laws.