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KeySupreme, a US-based cybersecurity startup revolutionizing the authentication industry, is expanding its business in Korea. We are looking for a Back-End Web Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your coworkers into the application. A basic understanding of front-end technologies is therefore necessary as well.

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We are looking for a skilled back-end developer 
- who has proficient understanding of node.js / mongoDB or MYSQL
- who can communicate in English 

Skills And Qualifications
- Develop server-based and web-based software applications using Python, C++, Javascript
- Integration of user-facing elements developed by a front-end developers with server side logic
- Building reusable code and libraries for future use
- Optimization of the application for maximum speed and scalability
- Implementation of security and data protection
- Design and implementation of data storage solutions

- Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3

- Good understanding of server-side CSS preprocessors, such as LESS and SASS
- Understanding accessibility and security compliance
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system (AWS, Azure, Digital Ocean)
- Management of hosting environment, including database administration and scaling an application to support load changes
- Data migration, transformation, and scripting
- Setup and administration of backups
- Outputting data in different formats
- Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient knowledge of a back-end programming language Python
- Proficient understanding of code versioning tools, such as Git
- Proficient understanding of OWASP security principles

- Understanding of session management in a distributed server environment



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