Back End Developer (Remote)

Core Code io

We are looking for a Backend Developer to design, build, and maintain the server-side logic of our applications. You will be responsible for ensuring high performance, scalability, and security of the back-end services, while integrating with front-end and third-party systems. This role involves problem-solving, collaboration with cross‑functional teams, and delivering reliable APIs and data pipelines.

• Design, develop, and maintain back‑end services, APIs, and databases.
• Build scalable systems that handle high volumes of requests and data.
• Implement security and data protection best practices.
• Optimize application performance and troubleshoot issues.
• Work closely with front‑end developers and other stakeholders to integrate user‑facing elements.
• Manage database schemas, queries, and migrations (SQL and/or NoSQL).
• Write clean, mai...