Remote LLM Engineer — Build Real-World AI Apps

Robotech Solution; Islamabad; Remote; PKR 600,000 - 1,200,000; Full time

Job summary

Robotech Solution in Islamabad is building real-world LLM apps and RAG systems for health, finance, and enterprise. You will design retrieval pipelines, implement eval harnesses, and manage agent workflows that ship to users.

This role emphasizes cost-aware model rollout, tracking accuracy and per-request economics, with strong Python and FastAPI/vLLM/LangChain skills to deliver production quality.

Qualifications

• Have shipped at least one LLM product to real users
• Strong Python and at least one of: FastAPI, vLLM, LangChain
• Understand retrieval, chunking, and reranking deeply
• Comfortable instrumenting cost

Responsibilities

• Build retrieval + reranking pipelines
• Design eval harnesses with the client's domain experts
• Operate prompt + model rollouts behind flags
• Track cost and accuracy in dashboards

Skills

Shipped LLM product

Python

Retrieval & reranking

Cost instrumentation

Tools

FastAPI

vLLM

LangChain

pgvector

Anthropic

OpenAI

Modal

Job description

Robotech Solution in Islamabad is building real-world LLM apps and RAG systems for health, finance, and enterprise. You will design retrieval pipelines, implement eval harnesses, and manage agent workflows that ship to users.

This role emphasizes cost-aware model rollout, tracking accuracy and per-request economics, with strong Python and FastAPI/vLLM/LangChain skills to deliver production quality.