LLM Application Developer

3 years

0 Lacs

Posted:2 days ago| Platform: Linkedin logo

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Work Mode

On-site

Job Type

Full Time

Job Description

Key Responsibilities
  • Agentic System Design:

    Design, develop, and deploy

    autonomous AI agents

    capable of complex, goal-oriented reasoning, planning, and task execution using modern agentic frameworks.
  • RAG System Development:

    Build and optimize robust

    Retrieval-Augmented Generation (RAG)

    pipelines to ground LLMs in proprietary data, ensuring factual accuracy and data security.
  • Tool Integration & Function Calling:

    Equip AI agents with the ability to use external APIs, databases, and custom tools to perform actions in the real world.
  • Orchestration Frameworks:

    Master and implement core logic using orchestration tools like

    LangChain, LlamaIndex, LangGraph, or CrewAI

    to manage conversation state and agent workflows.
  • Prompt Engineering & Alignment:

    Develop systematic Prompt Engineering strategies to maximize agent reliability and output quality.
  • Production Deployment:

    Develop secure, low-latency API services (using

    Python/FastAPI

    ) to serve LLM applications, ensuring high availability and scalability.
  • Evaluation & Quality Assurance (Evals):

    Design and implement continuous evaluation frameworks

    to measure performance against business metrics. This includes developing

    ground truth datasets

    , implementing

    LLM-as-a-Judge

    scoring, and monitoring for

    hallucinations, factual correctness, and prompt injection

    .


Required Skills and Qualifications
  • Programming:

    3+ years

    of professional software development experience, with expert proficiency in

    Python

    .
  • LLM Application Experience:

    Direct experience building and deploying production-level applications using major LLM APIs or open-source models.
  • Core RAG Expertise:

    Deep practical knowledge of designing, implementing, and optimizing a RAG system and proficiency with

    Vector Databases

    (e.g., Pinecone, Chroma, Milvus).
  • Agent Orchestration:

    Proven experience with at least one major agent orchestration library (

    LangChain, LlamaIndex, or similar state machine/graph-based frameworks

    ).
  • Evaluation Tools:

    Hands-on experience with LLM evaluation frameworks like

    RAGAS, DeepEval, or LangSmith

    to create automated performance benchmarks.
  • Back-end Engineering:

    Strong experience developing and maintaining RESTful APIs and integrating with various data sources (SQL/NoSQL).
  • DevOps Fundamentals:

    Working knowledge of

    Docker, CI/CD pipeline

    and cloud infrastructure for deployment.

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