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Part-Time AI Engineer (RAG)

salary Salary :

$2,500 - 3,500 monthly

Job Description - Part-Time AI Engineer (RAG)

Job Summary

We are looking for a hands-on Part-Time AI Engineer to develop and maintain an enterprise AI document search and knowledge management platform.

The role focuses on RAG, vector search, local LLM integration, ACL-based document access, automated indexing, and MCP integration with OpenText CS and enterprise workflows.

Most work can be performed remotely. However, the candidate will be required to work on-site approximately 2–3 times per month, with each on-site session lasting around half a day.

Job Scope

  • Design, develop, and deploy an AI-powered enterprise document search and RAG system.
  • Implement ACL to ensure users can only access authorized documents.
  • Support text document processing using local LLMs.
  • Develop localized prompts to improve retrieval accuracy.
  • Implement chat history, document indexing, and auto re-indexing after file changes.
  • Set up MCP integration for OpenText CS, RAG, and enterprise workflows.
  • Maintain APIs, backend services, vector DBs, ingestion pipelines, and system integrations.
  • Monitor search quality, performance, security, and AI response accuracy.
  • Troubleshoot and continuously optimize the AI knowledge platform.
  • Attend on-site sessions for system setup, integration, testing, troubleshooting, and project discussions when required.

Employment Arrangement

  • Employment type: Part-time
  • Work arrangement: Primarily remote
  • On-site requirement: Approximately 2–3 half-day sessions per month
  • On-site schedule: To be arranged based on project requirements
  • Candidates must be able to travel to the project site when required.

Requirements

  • Diploma or Degree in Computer Science, Software Engineering, AI, or a related field.
  • Proficiency in at least one programming language: Java, Python, or C#.
  • Experience in backend development, REST APIs, and DB integration.
  • Practical experience in designing or developing RAG applications.
  • Familiarity with embeddings, semantic search, hybrid search, chunking, reranking, and prompt engineering.
  • Experience with at least one vector DB, such as pgvector, Milvus, Qdrant, Weaviate, Chroma, or Elasticsearch.
  • Knowledge of LLM APIs, local LLM deployment, and AI application integration.
  • Experience processing and indexing text-based documents.
  • Understanding of document permissions, ACL, authentication, and data security.
  • Ability to independently analyse requirements, propose solutions, and complete assigned development tasks.
  • Able to attend on-site sessions approximately 2–3 times per month.
Original job Part-Time AI Engineer (RAG) posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
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About the Company

SINGAPORE ECOMMERCE APP PTE. LTD.

Founded in Feb 2017, SEA is a one-stop IT solutions service provider that provides comprehensive business software solutions to business customers around South East Asia, especially to Small & Medium Enterprises (SMEs) and Multi-national Corporations (MNCs) in Singapore.Offering highly customize...

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