Consultant

Overview

We are looking for a skilled Python Backend Developer to join our engineering team focused on building robust data pipelines, APIs, and cloud-integrated services that support telecom OSS/BSS operations. The ideal candidate will have hands-on experience with PySpark, FastAPI, and cloud/on-prem data workflows, and a strong understanding of service provisioning and activation in telecom environments.

Responsibilities

• Design and develop scalable ETL pipelines using Apache Airflow, PySpark, and MariaDB
• Build and maintain high-performance RESTful APIs using FastAPI
• Implement cloud-to-on-prem data synchronization for batch and near real-time (event-driven) workflows
• Integrate AWS services (S3, SNS, Direct Connect) with on-prem infrastructure for data ingestion and distribution
• Develop and support RabbitMQ-based messaging systems for asynchronous processing
• Write optimized SQL queries for PostgreSQL and MariaDB
• Monitor pipeline health, troubleshoot failures, and ensure data integrity and availability
• Collaborate with data analysts, engineers, and platform teams to support operational and analytical needs
• Apply domain knowledge in OSS/BSS, service provisioning, and activation to align backend services with telecom workflows

• 4-7 years of backend development experience with Python
• Strong proficiency in FastAPI, PySpark, and Apache Airflow
• Experience with RabbitMQ, SQL optimization, and data pipeline monitoring
• Familiarity with AWS services and hybrid cloud integration
• Solid understanding of OSS/BSS systems and telecom service workflows
• Ability to work in cross-functional teams and communicate effectively