Production AI Engineer: LLMs & Agentic Automation

Hytech; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Hytech is seeking a hands-on AI Engineer to design, build, and deploy practical AI solutions within our Customer Service ecosystem. You will work with Customer Service, Automation, CRM, and Platform teams to translate business problems into production-ready AI workflows, agents, and RAG-enabled knowledge systems.

The role focuses on integrating AI with Zendesk, CRM systems, APIs, and automation solutions, delivering end-to-end PoCs to production and continuous improvement.

Qualifications

• Bachelor's degree in Computer Science, AI, Data Science, Software Engineering, or related field.
• 3+ years of relevant software engineering, AI/ML, or applied AI experience, with hands-on experience building AI applications.
• Hands-on experience working with LLM APIs and/or open-source LLMs.
• Practical experience with prompt engineering, RAG, embeddings/vector search, structured output,
• function/tool calling, and LLM evaluation.
• Strong understanding of REST APIs, JSON, authentication, and system integration.
• Experience building backend services or AI applications using frameworks such as FastAPI or equivalent.
• Ability to independently take a technical solution from prototype to production.
• Strong problem-solving skills and ability to understand business processes.
• Comfortable working directly with business and operational teams.

Responsibilities

• AI Agent & Agentic Workflow Development: Design and develop AI Agents for Customer Service and operational use cases.
• LLM & Applied AI Development: Build production-ready apps with LLMs and prompt engineering.
• Knowledge & RAG: Design and improve retrieval systems and knowledge grounding.
• AI + Automation / CRM Integration: Connect AI decisions with workflows and CRM systems.
• AI Quality & Evaluation: Create evaluation frameworks for production AI solutions.
• End-to-End AI Project Delivery: Translate requirements into AI solutions and productionize them.
• Collaborate with business teams to identify AI opportunities and deliver impact.

Skills

LLM APIs

Prompt engineering

RAG

Embeddings

REST APIs

JSON

FastAPI

Education

Bachelor's degree in Computer Science, AI, Data Science, Software Engineering, or related field

Tools

FastAPI

JSON

REST APIs

Job description

Hytech is seeking a hands-on AI Engineer to design, build, and deploy practical AI solutions within our Customer Service ecosystem. You will work with Customer Service, Automation, CRM, and Platform teams to translate business problems into production-ready AI workflows, agents, and RAG-enabled knowledge systems.

The role focuses on integrating AI with Zendesk, CRM systems, APIs, and automation solutions, delivering end-to-end PoCs to production and continuous improvement.