Back End Developer

Job Title: Senior Backend Developer (Python)

Location: [Insert Location] Experience Required: 3-5 Years Employment Type: Full-Time

About the Role We are seeking a highly skilled

Senior Backend Developer

with strong expertise in

Python and Data Engineering

to design, develop, and optimize scalable backend systems and data pipelines. The ideal candidate should have hands-on experience with relational and NoSQL databases including

PostgreSQL and MongoDB

, and a strong understanding of distributed systems and backend architecture.

Key Responsibilities Backend Development Design, develop, and maintain scalable backend services using

Python Build RESTful APIs and microservices Optimize application performance and ensure high availability Implement clean, maintainable, and testable code Data Engineering Design and develop robust ETL/ELT pipelines Work with structured and semi-structured datasets Optimize large-scale data processing workflows Ensure data integrity, validation, and transformation Database Management Design and optimize database schemas in

PostgreSQL Manage and scale

MongoDB

collections Write complex SQL queries, indexing strategies, and performance tuning Implement database security and backup strategies Architecture & DevOps Participate in system architecture discussions Implement scalable microservices-based architectures Work with containerization tools (Docker preferred) Collaborate with DevOps for CI/CD implementation Monitor backend performance and troubleshoot production issues

Technical Skills Required Core Skills Strong proficiency in

Python Experience with backend frameworks (FastAPI / Django / Flask) Strong SQL expertise (PostgreSQL) Hands-on experience with

MongoDB REST API design and development Data Engineering Skills Experience with ETL pipelines Data modeling & warehousing concepts Experience handling large datasets Knowledge of data transformation and optimization techniques Good to Have Experience with cloud platforms (AWS / GCP / Azure) Knowledge of Airflow or workflow orchestration tools Experience with message brokers (Kafka / RabbitMQ) Familiarity with Docker & Kubernetes Understanding of distributed systems