Gen AI Engineer - Rag

Responsibilities · Design and implement RAG pipelines leveraging large language models (LLMs) for advanced question answering and contextual reasoning. · Integrate graph-based knowledge representations (e.g., Neo4j, RDF, property graphs) into RAG workflows for enhanced semantic search and reasoning. · Develop custom retrievers and indexing strategies for hybrid search (vector + graph). · Optimize prompt engineering and context injection for LLMs using structured graph data. · Implement evaluation frameworks for RAG performance (precision, recall, latency). Skills/Requirement · Strong proficiency in Python and frameworks like LangChain, LlamaIndex, or similar. · Hands-on experience with LLMs (OpenAI, Anthropic, Bedrock models). · Expertise in Graph Databases (Neo4j, Neptune), Schema modelling, and SPARQL/Gremlin queries. Strong understanding of retrieval optimization, ranking algorithms, and graph embeddings. Interested candidates, who wish to apply for the above position, please send in your resume to: ansari.abdulrahman@persolapac.com PERSOL Singapore Pte Ltd EA License No. 01C4394 EA Reg No: R23118975 (ABDUL RAHMAN ANSARI RAJA) We regret to inform you that only shortlisted candidates will be contacted. ********************************** This is in partnership with Employment and Employability Institute Pte Ltd (“e2i”). e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training, and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives. By applying for this role, you consent to e2i’s PDPA. By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at https://www.persol.com.sg/policies. You acknowledge that you have read, understood, and agree with the Privacy Policy. **********************************