What are the responsibilities and job description for the Python Full-Stack Developer API & Application Integration position at Qualizeal?
Python Full-Stack Developer API & Application Integration
Dallas, TX
Position Overview
We are seeking an experienced Python Full-Stack Developer to design, develop, and support scalable web applications and integrations. The ideal candidate will have strong Python backend-development expertise, hands-on experience with modern frontend technologies, and the ability to integrate internal and third-party applications through APIs.
Key Responsibilities
- Design and develop full-stack applications using Python and modern frontend frameworks.
- Build scalable backend services using FastAPI, Flask, or Django.
- Develop responsive user interfaces using React, Angular, or similar JavaScript frameworks.
- Design, build, consume, and maintain RESTful APIs.
- Integrate enterprise applications with internal systems, third-party platforms, databases, and cloud services.
- Implement data mapping, transformation, validation, and synchronization between applications.
- Develop secure API authentication and authorization using OAuth 2.0, JWT, API keys, and role-based access controls.
- Implement logging, monitoring, retry mechanisms, exception handling, and alerts for application integrations.
- Build asynchronous and event-driven integrations using Kafka, AWS SQS/SNS, or similar messaging technologies.
- Develop automated unit, integration, API, and UI tests.
- Troubleshoot application defects, integration failures, performance issues, and production incidents.
- Create and maintain API documentation using OpenAPI and Swagger standards.
- Collaborate with product owners, architects, DevOps, security, and quality-engineering teams.
- Participate in code reviews, Agile ceremonies, application deployments, and production-support activities.
Required Qualifications
- Strong hands-on experience in Python application development.
- Experience with Python frameworks such as FastAPI, Flask, or Django.
- Frontend-development experience using React, Angular, JavaScript, TypeScript, HTML, and CSS.
- Strong knowledge of REST APIs, JSON, HTTP methods, status codes, and API lifecycle management.
- Experience integrating internal and third-party applications through APIs.
- Knowledge of SQL and relational databases such as PostgreSQL, SQL Server, Oracle, or MySQL.
- Experience with Git, CI/CD pipelines, Docker, and cloud-based application deployments.
- Understanding of API security, authentication, authorization, logging, and performance optimization.
- Experience writing unit, integration, and API tests using PyTest, Postman, or similar tools.
- Strong analytical, troubleshooting, communication, and documentation skills.
Preferred Qualifications
- Experience with AWS services such as Lambda, API Gateway, ECS/Fargate, S3, SQS, SNS, and CloudWatch.
- Knowledge of Kafka or other event-streaming and messaging technologies.
- Experience with API management platforms such as Apigee, MuleSoft, Kong, or AWS API Gateway.
- Familiarity with Terraform or another infrastructure-as-code tool.
- Experience with microservices and event-driven architecture.
- Knowledge of Kubernetes and container orchestration.
- Experience working in Agile or Scrum delivery environments.