Principal Data Scientist

Job Title : Principal Data Scientist

Location : Noida

Employment Type : Full-time

Responsibilities :

Convert broad vision and concepts into a structured data science roadmap and guide a team to successfully execute on it

Collaborate with AI Product managers, UI / UX, stakeholders, etc. to design, develop, and deploy AI / LLM models

Good in fine-tuning, and optimization of LLMs like Open AI, Gemini AI, Copilot, and open-source models like LLAMA, DeepSeek, and BERT

Hands-on experience in Prompt Engineering and RAG for real-world applications

Develop Conversational AI, ChatBots, VoiceBots using modern NLP frameworks like SpaCy, Rasa, LangChain, Hugging Face

Use vector databases like Pinecone, Vertex AI, ChromaDB, or SingleStore to manage embeddings at scale

Deploy and monitor models on cloud platforms like Azure and GCP

Lead client engagements, RFP responses generation, and PoC development for both internal and external stakeholders

Provide technical guidance, code reviews, and performance optimization support

Expertise in designing solutions using semantic search and vector embeddings

Translate high-level business goals into measurable, AI-powered deliverables

Proven ability to discover solutions hidden in large datasets and to drive business results with their data-based insights

Contribute to internal product development initiatives related to data science.

Drive excellent project management skills required to deliver complex projects, including effort / time estimation

Be proactive, with full ownership of the engagement. Build scalable client engagement level processes for faster turnaround & higher accuracy

Qualifications :

A B.Tech / M.Tech / MBA from a top tier Institute preferably in a quantitative subject

10+ years of hands-on experience in applied Machine Learning, AI and analytics

Experience of scientific programming in scripting languages like Python, R, SQL, NoSQL, Spark with ML tools & Cloud Technology (AWS, Azure, GCP)

Expertise in Python libraries such as numpy, pandas, scikit-learn, tensor-flow, scrapy, BERT etc.

Strong expertise in Machine Learning, Deep Learning, Data mining, and Statistical concepts and experience in developing models and solutions in these areas

Expertise in client engagement, understanding complex problem statements, and offering solutions in the domains of Supply Chain, Manufacturing, CPG, Marketing etc.

Strong publication record in top-tier journals and conferences.

Functional thought leader, sought after for key tech decisions.

Can successfully sell ideas to an executive level decision maker.

Mentors and trains the research scientist community on complex technical issues.

Experience developing software in traditional programming languages (C++, Java, etc..).

Excellent written and spoken communication skills

About Us

E-Solutions is a leading AI consulting firm delivering cutting-edge solutions across recruitment & staffing, IT services, finance, retail, education, and manufacturing. We specialize in building advanced AI / ML products including large-scale recommender systems, LLM-based chatbots, AI-powered resume engines, GenAI copilots, and enterprise-wide automation systems. As part of our growing AI leadership team, we are looking for a Principal Data Scientist who can architect, lead, and implement end-to-end AI / ML solutions using the latest in Generative AI, LLMs, Vector Databases, and NLP frameworks.

Reimagine the Future of IT Consulting & Development with ML, GenAI, & Agentic AI

At E-Solutions, we empower global businesses by enhancing their IT infrastructure and software capabilities. Over two decades, we’ve grown into a trusted global partner, operating in 35+ countries with a team of 5,000+ professionals. Our expertise in Managed IT Services and Software Product Engineering, combined with robust testing, cloud solutions and AI / ML / Gen AI in NLP & Computer Vision domains ensures that the enterprise thrives in a competitive digital landscape.

E-Solutions has achieved significant success in implementing ML / GenAI / Agentic AI projects like AI enabled matching of professional’s profiles based on customer requirements, Agentic AI based end-to-end recruitment platform which will process & summarize customer requirements and AI agent will conduct online interviews and have efficient assessment to retrieve relevant profiles, Conversational AI Engine, Detecting Suspicious Behaviour during interviews etc. Simultaneously, the company successfully executed mergers and acquisitions, driving significant growth and expansion and embarking on a transformative digital journey. Join us to be the part of this innovative journey to build cutting-edge advance Agentic AI platform to deliver AI / ML / GenAI use cases across industries.