Sr Backend Python Developer

Job Description:

Job Summary:
We are looking for a highly skilled and innovative Senior Backend Engineer with strong experience in Python and backend system architecture to join our fast-growing tech team. The ideal candidate should have a proven track record of developing scalable backend services, working on B2B or fintech platforms, and leading critical projects from ideation to deployment.
Key Responsibilities:
Design, build, and maintain efficient, reusable, and reliable backend services using Python (Django/Flask).
Lead the development of core modules such as delivery cost estimators, lending features, digital banking platforms, and vendor marketplaces.
Collaborate with cross-functional teams (DevOps, Frontend, QA) to define, design, and ship new features.
Implement and optimize system integrations, APIs (RESTful), and database models.
Write clean, modular, and testable code, ensuring high performance and responsiveness.
Optimize infrastructure costs (e.g., AWS Lambda migration) and improve application scalability and reliability.
Work with large-scale databases: PostgreSQL, MongoDB, DynamoDB, Elasticsearch.
Utilize caching and queuing tools such as Redis, AWS SQS, Kafka.
Ensure best practices in security, scalability, and performance.
Mentor junior developers and participate in code reviews.
Technical Skills Required:
Languages: Python (primary), JavaScript, Go (preferred), PHP, C++
Frameworks: Django, Node.js, AngularJS, React.js
Databases: PostgreSQL, MongoDB, DynamoDB, Elasticsearch
DevOps/Cloud: AWS Services (Lambda, SQS), Firebase
Tools: Redis, Kafka, GitHub, Docker
Others: REST APIs, OAuth, Microservices architecture

Preferred Qualifications:
B.Tech in Information Technology or related field with 80%+ academic track.
Hands-on experience in fintech, e-commerce, or ERP platforms.
Familiarity with Solidity or blockchain integrations is a plus.
Strong analytical and problem-solving skills.
Good communication and teamwork abilities.

Nice to Have:
Experience building digital banking features or ERP modules.
Knowledge of GraphQL and full-stack development.
Participation in competitive hackathons or open-source contributions.