Senior Python Backend Engineer - Django, API & Cloud

Valiant Technologies LLC; Buffalo (NY); On-site; USD 90,000 - 130,000; Full time

Job summary

Valiant Technologies LLC is seeking a backend developer to design, implement, and maintain scalable Python applications. You will build RESTful APIs using Django, Flask, and FastAPI, and optimize database schemas with PostgreSQL/MySQL.

You will ensure secure, tested, and reliable services while collaborating with cross-functional teams in an Agile/Scrum environment. The role emphasizes API integration, data processing, and deploying services on cloud platforms such as AWS.

Qualifications

• Bachelor's degree in Computer Science, IT, or related field.
• Experience building Python backend apps with Django/Flask/FastAPI.
• Strong understanding of OOP, data structures, and algorithms.
• Experience with API development, database design, and integration.
• Knowledge of testing, debugging, version control, and deployment processes.
• We are an equal opportunity employer; merit, competence and performance drive hiring.

Responsibilities

• Designed, developed, and maintained scalable backend apps using Python and frameworks.
• Developed RESTful APIs with Django REST Framework, Flask, and FastAPI.
• Implemented business logic, data processing, and backend services.
• Designed and optimized database schemas using PostgreSQL, MySQL, and SQL Server.
• Integrated third-party applications via REST APIs and JSON data exchange.
• Developed reusable Python modules to improve maintainability.
• Implemented authentication, authorization, data validation, and error handling.
• Used Pandas and NumPy for data manipulation when needed.
• Wrote unit tests and integration tests with PyTest and unittest.
• Identified and resolved bugs, bottlenecks, and production issues.
• Used Git for version control; participated in code reviews and PRs.
• Containerized apps with Docker and supported CI/CD deployments.
• Deployed and maintained Python apps on AWS or Azure.
• Participated in requirements analysis, design, coding, testing, and deployment.
• Collaborated with cross-functional teams in Agile/Scrum to deliver software.

Skills

Python

SQL

Education

Bachelor's degree in Computer Science, Information Technology, or a related field

Tools

Django

Flask

FastAPI

PostgreSQL

MySQL

AWS

Docker

Git

CI/CD

Jenkins

Job description

Valiant Technologies LLC is seeking a backend developer to design, implement, and maintain scalable Python applications. You will build RESTful APIs using Django, Flask, and FastAPI, and optimize database schemas with PostgreSQL/MySQL.

You will ensure secure, tested, and reliable services while collaborating with cross-functional teams in an Agile/Scrum environment. The role emphasizes API integration, data processing, and deploying services on cloud platforms such as AWS.