# AI Engineer and Data Specialist

**Company:** [OOCA](https://jobs.workable.com/companies/2wUekv4w5DiRAMrQrEU7WD.md)
**Location:** Bangkok, Thailand
**Workplace:** hybrid
**Employment type:** Full-time
**Department:** Technology

[Apply for this job](https://jobs.workable.com/view/6ecef809-0478-48a7-b4ef-857ec1239565)

## Description

### **Key Responsibilities**

-   Design, build, and optimize **LLM pipelines** including retrieval, context assembly, grounding, prompting, and tool-calling.
-   Develop **RAG systems** using vector databases, metadata design, chunking strategies, and hybrid retrieval approaches.
-   Build **agentic workflows and function-calling systems** capable of reasoning, planning, and executing tasks.
-   Evaluate model performance using structured test suites, synthetic QA generation, and benchmark datasets.
-   Work closely with product and domain experts to translate ambiguous requirements into clear, structured LLM tasks.
-   Diagnose and mitigate failure modes such as hallucinations, retrieval misses, and context collisions.
-   Apply lightweight **fine-tuning or LoRA** when needed for task-specific improvements.
-   Develop and maintain backend components for LLM pipelines (FastAPI, event systems, queues).
-   Prepare unstructured documents (PDFs, HTML, logs, knowledge bases) for ingestion and indexing in vector/RAG systems.
-   Support deployment across cloud or on-prem infrastructure (vLLM, TGI, Ollama, GPUs, token-budgeting).
-   Ensure all AI features are grounded, safe, testable, reproducible, versioned, and backed by real evaluation—not guesswork.

## Requirements

**Required**

-   Bachelor’s degree in **Computer Science, Data Science, Engineering, Information Systems, Statistics**, or related field; or equivalent practical experience.
-   **1–3 years** of experience in a **data / AI / analytics / software** role, or strong project portfolio demonstrating equivalent capability (strong fresh graduates will be considered if portfolio is solid).
-   Practical proficiency in **Python** for:

-   Data handling (e.g. pandas, basic NumPy)
-   Calling APIs and working with JSON
-   Writing small scripts/services

-   Practical proficiency in **SQL** (e.g. MySQL, PostgreSQL) for querying, joining, and aggregating data.
-   Experience with at least one **BI / dashboarding tool** (Looker Studio, Metabase, Power BI, Tableau, or similar).
-   Hands-on experience using **LLM / AI APIs** in projects (personal, academic, or production), not only theoretical knowledge.
-   Ability to structure problems, work independently on tasks, and deliver within agreed timelines.
-   Ability to communicate clearly in **Thai**, with working proficiency in **English** for tools, documentation, and some communication.

## Benefits

-   Health Insurance
-   Hybrid
-   Annual Leave 12 days
-   Mental Health counseling sessions with psychiatrists and psychologists through ooca platform
-   Social Security Insurance
-   Provident Fund (condition applied)
-   Annual Health check-up (condition applied)
-   Special discount home loan interest with Government Housing Bank
-   BYOD policy: Personal laptops less than 3 years old are eligible for 1000 THB/month subsidy (registration required)