Backend Developer

About the Position

Rexi Group is building Apatay, a next-generation AI marketplace designed to bundle, integrate, and distribute AI tools through a unified platform. We are looking for strong engineers who can help build this platform from the ground up at the 0→1 stage.

Responsibilities6

• Help build the core infrastructure of the Apatay AI marketplace
• Architect modular backend systems
• Design clean service layers and connector abstractions
• Build structured data pipelines
• Implement async job systems and queue workers
• Design deterministic safeguards around non-deterministic outputs

Requirements5

• Strong production-level engineering experience
• Experience with Node.js or strong alternatives
• Strong experience with relational databases such as Postgres
• Experience handling API integrations and distributed systems
• Experience with Docker and modern deployment workflows