Backend Engineer, AI
Rain helps users buy, sell, and swap cryptocurrencies with regulated custody, bank-grade security, and 24/7 support across web and mobile.
Projects
About Rain
Rain is a centralized crypto platform for retail and business users to buy, sell, and swap digital assets. The platform is licensed by the Central Bank of Bahrain and ADGM’s FSRA, offers cold storage custody, and provides bilingual 24/7 human support. Users can manage portfolios, use advanced trading with charts and order types, and access an OTC desk for large orders. The service includes clear fees, verification, and mobile apps.
Skills
About the Role
You will build and scale backend systems, APIs, and data pipelines that power production services. You will design and ship AI-powered features, agents, and automation, and create shared AI infrastructure such as tool interfaces, evaluation frameworks, and permission-aware data access. You will work embedded with the business to understand workflows and rapidly deliver customer-facing capabilities.
Requirements
- Experience with Node.js and other backend technologies
- 1–3+ years building production systems that use LLMs, tool calling, structured outputs, prompt architecture, and retrieval patterns
- This position is for folks with 3–8+ years of experience; compensation will be based on experience
- Builder mentality with experience shipping side projects or experiments
- Comfortable with ambiguity and able to take loosely defined problems, make decisions, and ship
Responsibilities
- Contribute to the technical and product roadmap
- Build and scale backend systems, APIs, and data pipelines
- Design and ship AI-powered features, agents, and automation
- Build shared AI infrastructure including composable tool interfaces, evaluation frameworks, and permission-aware data access
- Rapidly ship new capabilities to customers and internal teams
- Work embedded with the business to understand workflows
Benefits
- Unlimited time off (minimum 10 days required)
- Flexible working and remote work support
- Home office stipend
- Health dental and vision plans for US employees
- 100% company subsidized life insurance
- 401(k) with 4% company match
- Equity option plan
- Company-issued Rain card for product testing
- Health and wellness spending coverage
- Team and company summits and offsites
