Criticalriver Technologies - Backend Engineer - FastAPI/Python (8-9 yrs)

Roles & Responsibilities :

- Develop, maintain, and optimize backend services using Python and the FastAPI framework.

- Design, develop, and maintain RESTful APIs using FastAPI on AWS Lambda to support various frontend and backend functionalities.

- Integrate and optimize backend services to improve performance, scalability, and reliability.

- Collaborate with frontend developers to build user interfaces using ReactJS.

- Optimize the frontend performance, ensuring a seamless user experience through efficient backend support and API integration.

- Design, deploy, and maintain cloud-based applications on AWS.

- Implement AWS services like AWS Lambda, API Gateway, S3, RDS, and DynamoDB to create serverless architectures and maintain cost efficiency

- Design and optimize data models and database schemas for SQL databases (e.g, MS SQL, PostgreSQL) to ensure efficient data storage and retrieval.

- Implement database optimization techniques, including indexing, query optimization, and ensuring database scalability.

- Implement robust security measures to protect sensitive data, including encryption, secure authentication (OAuth, JWT), and authorization mechanisms.

- Optimize both server-side (Python/FastAPI) and client-side (ReactJS) application performance for better scalability and user experience.

Technical Skills & Qualifications :

- 8+ years in software development, with a focus on full-stack development, cloud technologies, and backend services.

- Proficiency in SQL databases such as PostgreSQL, MS SQL, or MySQL.

- Strong skills in database schema design, query optimization, and performance tuning.

- Experience with NoSQL databases like MongoDB, DynamoDB is a plus.

- Experience with ORMs like SQLAlchemy for Python.

- Expertise in implementing security measures such as data encryption (e.g, AES), SSL/TLS, and secure coding practices to protect sensitive financial data.

- Familiarity with application performance monitoring tools (e.g, New Relic, Datadog).

- Experience in optimizing both frontend and backend performance (e.g, load balancing, caching strategies, optimizing API response times)