Backend Engineer (BE + LLM)
Core
Build end-to-end product features across frontend, backend, and AI/LLM components for internal tools, automation platforms, and user-facing interfaces.
Role type
Junior full-stack engineer (LLM integration)
Builds
Internal tools, automation platforms, data-driven products, AI-enabled workflows, and user-facing interfaces
Domain
Blockchain ecosystem, cryptocurrency exchange, AI/LLM applications
Deliverable
production ML models | product features
Required skills
Frontend framework (React/Vue/Angular), Backend language/framework (Python/Go/Java/Node.js), LLM API integration, Prompt engineering, RAG, AI agents, Tool/function calling, Workflow automation, AI coding tools usage
Preferred skills
LLM/Agent/RAG frameworks (LangChain/LlamaIndex/Dify/AutoGen), Vector databases, Observability/DevOps, UI/UX design thinking
Technologies
React, Vue, Angular, Python, Go, Java, Node.js, FastAPI, Spring Boot, Express, Cursor, Claude Code, GitHub Copilot, Cline, OpenCode, LangChain, LlamaIndex, Dify, AutoGen, CrewAI, OpenAI API, Anthropic API, Hugging Face
Responsibilities
Build and maintain end-to-end product features across frontend, backend, and AI/LLM components; Develop user interfaces for internal tools, dashboards, AI assistants, and automation workflows; Build backend services, APIs, data pipelines, and integrations; Integrate LLM/AI capabilities into real product scenarios; Use AI coding tools to improve development speed and code quality; Write clean, maintainable code and contribute to documentation and testing
Seniority
Junior, hands-on IC