Overview
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 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.
Responsibilities
- 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 using SQL and/or NoSQL databases
- Write clean, maintainable, and testable code
- Contribute to code reviews, system architecture,



and technical documentation

Requirements
- Experience as a Backend Developer, Software Engineer, or in a similar role
- Proficiency in at least one back-end language and framework such as Node.js/Express, Python (Django/Flask/FastAPI), Java (Spring Boot), or Ruby on Rails
- Strong knowledge of databases including PostgreSQL, MySQL, MongoDB, or Redis
- Experience building and consuming RESTful APIs and/or GraphQL
- Familiarity with cloud platforms such as AWS, GCP, or Azure
- Experience with containerization tools such as Docker and Kubernetes
- Strong understanding of system design, scalability, and security principles
- Familiarity with version control systems and CI/CD pipelines
- Strong problem-solving and collaboration skills

📌 Back End Developer CO (Bogotá)
🏢 Core Code io
📍 Bogotá