Back End Developer

Job Summary

To support the development of AI systems, the freelance Back End Developer will design, build, and optimize server-side systems and APIs, working remotely with flexible hours on a contract basis.

Key responsibilities

• Design, develop, and maintain robust back end services, APIs, and data pipelines
• Build scalable, high-performance server-side architecture to support AI training and inference workloads
• Collaborate asynchronously with distributed teams of engineers, researchers, and product leads

Required qualifications

• Proficient in one or more back end languages such as Python, Go, Java, Node.js, or Rust
• Solid understanding of RESTful API design, microservices architecture, and distributed systems
• Experienced with relational and/or NoSQL databases like PostgreSQL, MongoDB, or Redis
• Comfortable working with cloud platforms such as AWS, GCP, or Azure
• Familiar with version control (Git), CI/CD pipelines, and containerization (Docker, Kubernetes)