Orange Tree Systems

Data Engineer

Orange Tree Systems

Pakistan

Accepting Applications Full-time On-site LinkedIn
Posted 3 weeks, 6 days ago 17 views 0 applications
Job Description

We are looking for a highly skilled and motivated

Data Engineer

to join our growing AI and data team. In this role, you will be responsible for designing, building, and maintaining large-scale data infrastructure with a strong focus on

Retrieval-Augmented Generation (RAG)

pipelines and

Large Language Model (LLM)

integration.

You will work at the intersection of data engineering and AI turning raw, unstructured, and large-scale data into intelligent, production-ready systems that power real business outcomes. This is a hands-on technical role that requires deep experience with modern data stacks, AI frameworks, and cloud infrastructure.

If you're passionate about AI, love solving complex data challenges, and want to work on cutting-edge technology this role is for you.

Responsibilities

  • Design, build, and maintain scalable

ETL/ELT data pipelines

for large-scale structured and unstructured data

  • Architect and implement end-to-end

RAG pipelines

  • document ingestion, chunking, embedding, indexing, retrieval, and reranking
  • Integrate

Large Language Models

(OpenAI, Anthropic, Llama, etc.) into production data workflows

  • Manage and optimize

vector databases

(Pinecone, Weaviate, FAISS, Chroma, or similar)

  • Work on

prompt engineering

and context optimization for domain-specific use cases

  • Build and manage data infrastructure on cloud platforms (AWS / GCP / Azure)
  • Monitor pipeline performance, data quality, and model output reliability
  • Collaborate with ML engineers, backend developers, and product teams
  • Document systems, pipelines, and architectural decisions clearly

Requirements

  • 2+ years

of experience as a Data Engineer or similar role

  • Strong proficiency in

Python

and

SQL

  • Hands-on production-level experience with

RAG architectures

and

LLM integration

  • Experience with

vector databases

and embedding models

  • Familiarity with RAG frameworks —

LangChain, LlamaIndex, Haystack

, or similar

  • Experience with data orchestration tools —

Airflow, Prefect, or Dagster

  • Cloud platform experience —

AWS, GCP, or Azure

  • Knowledge of big data tools —

Spark, Kafka, dbt

is a plus

  • Strong problem-solving skills and ability to work independently

Location: Lake City, Lahore

Timings: 5:30 PM - 2:00 AM

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Orange Tree Systems
Orange Tree Systems
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