Back End Developer (AI Infrastructure)

About the role

Join a fast‑growing AI infrastructure team and build the server‑side systems that power cutting‑edge machine‑learning products. This fully remote, hourly contract lets you work on data pipelines, model‑serving platforms and high‑throughput microservices from anywhere.

Key responsibilities

• Design, develop, and maintain robust back‑end services, APIs and data pipelines.
• Build scalable, high‑performance server‑side architecture for AI training and inference workloads.
• Integrate with relational and NoSQL databases, message queues, cloud services and third‑party APIs.
• Optimize system performance, reliability and scalability as traffic grows.
• Collaborate asynchronously with distributed engineers, researchers and product leads.
• Troubleshoot production issues, conduct code reviews and contribute to architectural decisions.

Required profile

• Proficient in at least one back‑end language such as Python, Go, Java, Node.js or Rust.
• Solid understanding of RESTful API design, microservices architecture and distributed systems.
• Experience with relational (e.g., PostgreSQL) and/or NoSQL databases (e.g., MongoDB, Redis).
• Comfortable working with cloud platforms (AWS, GCP or Azure) and container orchestration.
• Self‑motivated, reliable and effective when working asynchronously without close supervision.

Required skills

• Python, Go, Java, Node.js, Rust
• RESTful API design, microservices, distributed systems
• PostgreSQL, MongoDB, Redis
• AWS, GCP, Azure
• Git, CI/CD pipelines
• Docker, Kubernetes
• Apache Kafka, Spark, Airflow (nice to have)
• Authentication, authorization, security best practices
• Serverless architectures, event‑driven design patterns

What we offer

• Fully remote, flexible schedule (10–40 hours per week) on an hourly contract.
• Opportunity to work on cutting‑edge AI infrastructure alongside leading research labs.
• Freelance autonomy with technically challenging projects.
• Collaboration with a global network of talented engineers.