L&T

Junior Developer - AI

Experienced, posted 6 Nov 2026

Location: Chennai
Experience: 1 to 2 years
Last date to apply: 30 Mar 2027

About the role

Larsen & Toubro (L&T) is hiring a Junior Developer - AI for its Edutech division based in Chennai. This role focuses on developing and integrating machine learning and Generative AI capabilities into digital learning and platform products.

What you will do

Build AI-powered applications using LLMs, NLP, RAG, embeddings, and vector databases.
Develop and integrate APIs to connect AI services with existing platform applications.
Write clean, maintainable, and scalable code primarily using Python.
Assist in developing and optimizing prompts for LLM-based applications.
Support data preprocessing, model evaluation, testing, and basic machine learning workflows.
Build prototypes and proof-of-concepts to evaluate emerging AI technologies.
Support the deployment, debugging, and continuous improvement of AI-powered applications.

What we look for

Strong programming knowledge in Python and software development fundamentals.
Hands-on exposure to Generative AI and LLM-based applications.
Familiarity with Prompt Engineering, RAG, embeddings, NLP, and vector databases.
Exposure to AI/ML frameworks such as PyTorch, TensorFlow, Scikit-learn, LangChain, or LlamaIndex.
Basic knowledge of SQL, databases, and REST APIs.
Familiarity with Git/GitHub and standard software development practices.
Strong analytical and problem-solving abilities.

Eligibility

Bachelor of Technology (BTech) degree.
1 to 2 years of required experience in software development and AI.

Skills

Python
Generative AI
NLP
RAG
Vector Databases
APIs
PyTorch
TensorFlow
LangChain
SQL
Git

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