Senior Data Engineer: LLM-Driven Platforms & Pipelines

career international - fos pte. ltd.; Singapore; Hybrid; SGD 120,000 - 180,000; Full time

Job summary

Career International - FOS Pte Ltd invites a seasoned production engineer to join our team in Singapore. The role focuses on data ingestion from multiple sources, document parsing of complex bilingual materials, and building scalable data pipelines.

You will design data warehouses and manage ETL using modern orchestration tools, while deploying LLM-based services via OpenAI/Anthropic APIs, all within a cloud-first environment.

Qualifications

• 5–10 years of production engineering experience building online systems.
• Strong Python and SQL skills; data modeling, testing, and performance tuning.
• Hands-on experience parsing real-world messy documents (PDF, HTML, XBRL).
• 2–3 years of production LLM application experience, with deployment track record.
• Familiarity with at least one orchestration framework (Airflow / Prefect / Dagster).
• Experience with schema design in at least one modern cloud data warehouse.
• Strong communication skills; professional English proficiency.

Responsibilities

• Data ingestion: Multi-source scraping and integration, stable and schedulable.
• Document parsing: Structured extraction from PDF / HTML / XBRL, including bilingual docs.
• Data warehouse design & implementation using Snowflake / BigQuery / Postgres.
• Pipeline orchestration & monitoring: ETL with Airflow / Prefect / Dagster, with data quality checks, alerts, and lineage tracking.
• LLM application layer: Use of OpenAI / Anthropic APIs + open-source models.
• Structured outputs, retrieval-augmented generation.
• Basic evaluation and quality monitoring.
• Backend services: Query APIs via FastAPI, serving downstream analyst tools.
• Cloud infrastructure: GCP / AWS, leveraging managed services to minimize operational burden.

Skills

Python

SQL

Data modeling

Testing

Performance tuning

Document parsing

LLM applications

Orchestration

Data warehouse design

Communication

English proficiency

Tools

Airflow

Prefect

Dagster

Snowflake

BigQuery

Postgres

FastAPI

dbt

Neo4j

OpenAI API

Job description

Career International - FOS Pte Ltd invites a seasoned production engineer to join our team in Singapore. The role focuses on data ingestion from multiple sources, document parsing of complex bilingual materials, and building scalable data pipelines.

You will design data warehouses and manage ETL using modern orchestration tools, while deploying LLM-based services via OpenAI/Anthropic APIs, all within a cloud-first environment.