Back End Developer

Job Summary

To support the development of cutting-edge AI products, the freelance Back End Developer will work remotely to design, build, and optimize server-side systems and APIs, dedicating 10-40 hours per week to this contract role.

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 or MongoDB
• Comfortable working with cloud platforms such as AWS, GCP, or Azure
• Familiar with version control (Git), CI/CD pipelines, and containerization (Docker, Kubernetes)