Back-End Developer — High-Performance APIs (Contract, Copenhagen)

FlexiRemote Solutions; København; On-site; DKK 500,000 - 700,000; Full time

Job summary

FlexiRemote Solutions in Copenhagen, Denmark seeks a skilled Back-End Developer to build and maintain server-side logic and databases for web and mobile applications.

The role emphasizes high performance, secure data handling, and collaboration with front-end teams to ensure seamless integration of user-facing features. Proficiency in Java, C, or Python is essential, along with database experience and agile practices.

Qualifications

• Proven work experience as a Back-End Developer or similar role.
• Strong knowledge of Java, C, or Python.
• Experience with relational and NoSQL databases (e.g., MySQL, MongoDB).
• Familiarity with front-end basics (HTML, JavaScript).
• Understanding of server-side CSS preprocessors (LESS, SASS).
• Experience with Agile methodologies and version control (Git).
• Ability to troubleshoot quickly and work independently.

Responsibilities

• Develop and maintain server-side logic and databases for web and mobile applications.
• Ensure high performance and responsiveness of applications.
• Collaborate with front-end developers to integrate user-facing elements with server-side logic.
• Troubleshoot and debug code to optimize functionality.
• Create secure data storage solutions and protect data.

Skills

Java

C

Python

HTML basics

JavaScript basics

Agile

Debugging

Education

Bachelor's degree in Computer Science or related field

Tools

MySQL

MongoDB

Git

LESS/SASS

Job description

FlexiRemote Solutions in Copenhagen, Denmark seeks a skilled Back-End Developer to build and maintain server-side logic and databases for web and mobile applications.

The role emphasizes high performance, secure data handling, and collaboration with front-end teams to ensure seamless integration of user-facing features. Proficiency in Java, C, or Python is essential, along with database experience and agile practices.