Backend Python Developer
Summary
Build and maintain Flask REST APIs and PostgreSQL-backed services (complex SQL, migrations, reporting) writing clean, tested backend code with pytest and Docker Compose; nice-to-haves include RabbitMQ, AWS, ETL and LLM work. On-site role in Lahore, working 10:00 AM to 7:00 PM, Monday to Friday.
We are looking for a good Backend Python Developer with 2+ years of professional experience to join our development team.
Tech Stack
Python 3.11, Flask, PostgreSQL, RabbitMQ, Docker, pytest, AWS
Key Responsibilities
- Build and maintain REST API endpoints with Flask and Flask-RESTX.
- Write clean and scalable backend code
- Work with PostgreSQL, complex SQL queries, indexes, migrations, and reporting
- Write automated tests using pytest
- Debug applications using Docker Compose
- Follow existing architecture, coding standards, and ticket requirements
Must have
- 2+ years writing Python for production backends.
- Solid experience building REST APIs (Flask, or FastAPI and willing to learn Flask).
- Strong PostgreSQL and SQL. You can write multi-table joins and aggregations, read a query plan, and add the right index.
- Experience with database migrations and schema changes on a live system.
- Docker and Docker Compose for local development.
- Automated testing (pytest or similar).
- Good written English and communication skills
Nice to have
- Message queues (RabbitMQ) and background worker services.
- AWS S3, EC2, ECR.
- Pandas and building data import or ETL pipelines.
- Reporting work: materialized views, rollup tables, caching.
- LLM work LangChain, LangGraph, or the Anthropic and OpenAI APIs.
- PostGIS or other map and location data.
Location : Valencia
Salary Slot: 150k to 180k
Timing: 10:00 AM to 7:00 PM monday to friday
Gender Preference: Male
Communication Skill: Excellent