Senior Software Engineer, Dev

IBEX Global; Lahore; On-site; PKR 1,200,000 - 1,800,000; Full time

Job summary

IBEX Global is seeking a skilled Python Developer to join their team in Lahore, Pakistan. The ideal candidate will have a solid understanding of modern AI workflows, strong programming skills, and experience with AI/LLM integration.

The role involves implementing RAG pipelines, building REST APIs, and ensuring the reliability and scalability of backend services.

Qualifications

• 3-5 years of experience in a relevant field.
• Experience with vector databases.
• Solid understanding of prompt engineering techniques.

Responsibilities

• Implement and maintain RAG pipelines.
• Build REST APIs to expose RAG/LLM workflows.
• Monitor and optimize retrieval quality.

Skills

Strong programming skills in Python

Experience with AI/LLM integration

Familiarity with RAG frameworks

Knowledge of API development

Understanding of data structures and algorithms

Education

Master or Bachelor degree in Computer Science

Tools

FastAPI

Flask

LangChain

Google Gemini

Azure AI Search

Job description

Overview

ibex. is looking for a skilled Python Developer with experience in AI/LLMs, Retrieval-Augmented Generation (RAG), and backend systems to join our team. The ideal candidate will have strong programming skills, a solid understanding of modern AI workflows, and the ability to design, implement, and optimize scalable solutions that integrate Large Language Models with knowledge retrieval systems.

Responsibilities

RAG & AI Implementation

• Implement and maintain RAG pipelines using custom or established frameworks such as LangChain
• Work with LLM APIs (e.g., Azure OpenAI, Google Gemini) to build AI-driven applications.
• Set up and manage vector databases (Azure AI Search, Google Vector Search, PGVector, Pinecone or Milvus) for document storage and retrieval.
• Develop utilities for document preprocessing, parsing, chunking, and embeddings generation.

Backend Development

• Build REST APIs to expose RAG/LLM workflows to applications and products.
• Write clean, maintainable Python code using frameworks like FastAPI or Flask.
• Ensure scalability and reliability of backend services in production.

Data & Pipelines

• Build scripts for ETL and data ingestion pipelines to feed knowledge bases.
• Work with structured and unstructured data (text, PDFs, web content, databases).
• Monitor and optimize retrieval quality through embedding updates and reranking methods.

Qualifications

• Master or Bachelor degree in computer science or relevant engineering
• 3-5 years of Experience in relevant field
• Strong programming skills in Python 3.x.
• Experience with AI/LLM integration (Azure OpenAI, Google Gemini, or similar).
• Familiarity with RAG frameworks (LangChain, LlamaIndex).
• Experience with vector databases (Azure AI Search, Google Vector Search, PGVector, Pinecone or Milvus).
• Knowledge of API development (FastAPI, Flask, or Django).
• Solid understanding of prompt engineering techniques for optimizing LLM responses.
• Good understanding of data structures, algorithms, and software engineering practices.
• Git, unit testing, and basic CI/CD experience.