GenAI Production Engineer - LLM, RAG & Enterprise Search

iSystems Ltd; Lahore; Sur place; PKR 200 000 - 420 000; Plein temps

Résumé du poste

iSystems Ltd in Lahore, Pakistan, is seeking a Software Engineer with 4–8 years of experience and hands-on GenAI/LLM application building. You will design RAG pipelines, fine-tune models, integrate OpenAI/Azure and open-source endpoints, and optimize latency and costs while communicating complex tradeoffs to clients.

You'll collaborate with architects, data scientists, and QA to translate client requirements into concrete GenAI features, document architecture, and maintainable prompts, ensuring

Qualifications

• 4–8 yrs software engineering with 1–3 yrs GenAI/LLM app building.
• Strong Python skills and hands-on GenAI experience.
• Familiar with LangChain, LlamaIndex, vector stores, and graphs.

Responsabilités

• Build GenAI applications — LLM-powered features and enterprise search.
• Design and implement RAG pipelines with embedding selection and retrieval.
• Fine-tune models (LoRA/QLoRA) and manage prompts in production.

Connaissances

GenAI application development

Python programming

LangChain/LlamaIndex

Vector databases

Embeddings & retrieval

Model fine-tuning (LoRA/QLoRA)

Outils

Pinecone

Weaviate

Neo4j

LangChain

LlamaIndex

Azure OpenAI

Description du poste

iSystems Ltd in Lahore, Pakistan, is seeking a Software Engineer with 4–8 years of experience and hands-on GenAI/LLM application building. You will design RAG pipelines, fine-tune models, integrate OpenAI/Azure and open-source endpoints, and optimize latency and costs while communicating complex tradeoffs to clients.

You'll collaborate with architects, data scientists, and QA to translate client requirements into concrete GenAI features, document architecture, and maintainable prompts, ensuring