Lingarogroup1mo ago

Senior Full Stack Data Scientist

IndiaRemoteFull-timesenior

Data ScienceData ScientistData & AI

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Quick Summary

Key Responsibilities

Lead discovery and solution design for GenAI use cases, translating business problems into concrete architectures (LLM decision, RAGs, fine‑tuning, agents,

Requirements Summary

· 6+ years of experience in Data Science/AI engineering · At least 4+ years of experience in production-ready Python AI-related co

Technical Tools

Data ScienceData ScientistData & AI

Senior Fullstack Data Scientist

India, Remote

Job Description:

We are looking for a skilled and experienced Fullstack Data Scientist with solid expertise in Generative AI (GenAI) to lead projects focused on building and implementing advanced systems based on Large Language Models (LLMs), chatbots, AI agents, and Retrieval-Augmented Generation (RAG) mechanisms. As a Senior Data Scientist, you will be responsible for designing, implementing, and optimizing GenAI solutions, as well as mentoring teams. Your knowledge and experience will be crucial in making architectural decisions, selecting technologies, and implementing best practices in AI-driven development.

Responsibilities:

Lead discovery and solution design for GenAI use cases, translating business problems into concrete architectures (LLM decision, RAGs, fine‑tuning, agents, guardrails)

Build end‑to‑end GenAI applications: data ingestion, retrieval layer, orchestration (e.g. LangChain/LlamaIndex/LangGraph), API/backend, and simple UI where needed.

Design and implement RAG pipelines with vector databases, hybrid search, rerankers, query transformation, and evaluation frameworks for relevance and robustness.

Perform model selection, prompting strategies, and fine‑tuning (LoRA/QLoRA/SFT) for text, code, and multimodal models, including evaluation and A/B testing.

Implement safety, compliance, and governance controls (input/output filters, PII handling, audit logs, human‑in‑the‑loop review where required).

Collaborate with data engineers, product owners, and full‑stack developers on scalable architectures, SLAs, and integration with existing enterprise systems

· Gather technical requirements and estimate planned work.

Mentor other data scientists/engineers in GenAI patterns, code quality, and best practices; contribute to internal libraries, templates, and reusable components.

Stay current with GenAI landscape (new open and hosted models, agentic frameworks, evaluation techniques) and perform targeted PoCs to validate them.

Must-Have Skills:

· 6+ years of experience in Data Science/AI engineering

· At least 4+ years of experience in production-ready Python AI-related code development.

· At least 2+ years of experience in production-ready LLM-related code development, preferably based on the Retrieval-Augmented Generation (RAG) concept.

· Strong analytical and problem-solving skills with the ability to optimize AI solutions for diverse applications.

· Strong knowledge and experience in Generative AI, including LLMs, chatbots, AI agents, and RAG mechanisms.

· Deep understanding of LLM evaluators, validators, and guardrails.

· Hands‑on experience with one or more GenAI frameworks: LangChain, LlamaIndex, LangGraph, or similar orchestration stacks.

· Hands-on experience designing or operating MCP servers/clients for LLM agents

· Strong Python skills, including production grade code, packaging, and testing for data/ML services

· Solid understanding of ML/AI concepts: types of algorithms, machine learning frameworks, model efficiency metrics, model lifecycle, AI architectures.

· Proven ability to collaborate effectively across technical and non-technical teams.

· Familiarity with cloud environments such as Azure (preferred), GCP, or AWS, including AI-related managed services.

· Familiarity with CI/CD, testing, and containerized deployments.

· Excellent communication skills in English, with the ability to convey complex technical concepts to various audiences.

Nice-to-Have Skills & Knowledge:

· Experience in designing and programming ML algorithms and data processing pipelines using Python.

· Good understanding of CI/CD and DevOps concepts, with experience working with selected tools (preferably GitHub Actions, GitLab, or Azure DevOps).

· Experience in productizing ML solutions using technologies like Spark/Databricks or Docker/Kubernetes.

· Experience with agentic AI development frameworks (e.g., BMAD, multi‑agent orchestration, spec‑driven AI workflows).