Backend Developer

2 weeks ago


Philadelphia, United States CallSine LLC Full time

**Company Overview**:
CallSine is a pioneering technology firm dedicated to enhancing business communications through innovative solutions. We promote a culture of creativity, teamwork, and continuous improvement, encouraging our team to explore new ideas and technologies.

**Responsibilities**:

- Integrate user-facing elements developed by front-end developers with server-side logic.
- Implement security and data protection solutions.
- Design and implement data storage solutions.
- Collaborate with frontend developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
- Develop reusable code and libraries for future use.

**Requirements**:

- Proven experience as a Backend Developer or similar role.
- Strong proficiency in Python with a good knowledge of the Django framework.
- Understanding of the threading limitations of Python, and multi-process architecture.
- Familiarity with ORM (Object Relational Mapper) libraries.
- Able to integrate multiple data sources and databases into one system.
- Knowledge of user authentication and authorization between multiple systems, servers, and environments.
- Familiarity with event-driven programming in Python.
- Proficient understanding of code versioning tools, such as Git.
- Excellent problem-solving skills and the ability to think algorithmically.
- Experience with Docker

Pay: $98,000.00 - $145,906.00 per year

Compensation package:

- Bonus opportunities
- Performance bonus

Experience level:

- 3 years

Schedule:

- Monday to Friday

**Experience**:

- Django: 2 years (preferred)
- Docker: 1 year (preferred)
- APIs: 1 year (preferred)

Ability to Commute:

- Philadelphia, PA (preferred)

Ability to Relocate:

- Philadelphia, PA: Relocate before starting work (required)

Work Location: In person



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