Python Developer

GSS HR Solutions Private Limted; Manila; On-site; PHP 600,000 - 1,000,000; Full time

Job summary

GSS HR Solutions Private Limted seeks a backend engineer proficient in FastAPI, PostgreSQL ORM, REST API design, and database migrations using Liquibase. The role focuses on async services, accurate data modeling, and robust testing with pytest and mocks.

The candidate will work with PyArrow/ArrowFlight for data transfer and strive to deliver scalable, reliable APIs with clean error handling and clear response structures.

Qualifications

• Proficient in FastAPI, asynchronous services, and Pydantic models for request/response structures.
• Strong ORM experience with PostgreSQL including modern 2.0-style mappings and relationship loading strategies.
• Solid design of REST APIs with robust error handling and clear response structures.
• Experience with Liquibase XML changesets for database migrations via Maven.
• Familiarity with PyArrow/ArrowFlight and testing using pytest and mocking with unittest.mock.

Skills

FastAPI

ORM for PostgreSQL

Rest API Design

Liquibase

Pyarrow/ArrowFlight & Pytest

Tools

pytest

unittest.mock

Job description

PostgreSQL(Dremio (via pyrow flight), Snowflake.

Skills required:

1. 1. FastAPI - All service is async FASTAPI apps with pydantic models for request/response.
2. 2. ORM for PostgreSQL - the project uses modern 2.0-style with mapped classes and relationship loading strategies.
3. 3. Rest API Design, error handling with structured responses.
4. 4. Database Migration - Liquibase with XML changesets, schema change go through maven-based Liquibase.
5. 5. Pyarrow/ ArrowFlight and Testing pytest and mocking with unittest.mock