AI Engineer

Stack

Responsibilities

• ▹Design and build AI-powered features across the B2B portal, internal tooling and merchant-facing products, including LLM integrations, AI agents and intelligent automations
• ▹Translate ambiguous business problems into well-scoped AI solutions, from prompt engineering and RAG pipelines to full agentic workflows
• ▹Build, evaluate and iterate on AI systems using a rigorous, experiment-driven approach, tracking quality, latency and cost tradeoffs
• ▹Collaborate closely with product, operations and engineering teams to identify and deliver high-leverage AI opportunities end-to-end
• ▹Develop internal AI tooling and skill frameworks that empower non-technical teams to use AI in daily workflows
• ▹Integrate third-party AI APIs (Anthropic, OpenAI, etc.) and MCP-based tooling while maintaining security and reliability standards
• ▹Maintain observability over deployed AI systems, monitoring for regressions, prompt drift and performance degradation

Requirements

• ▹3+ years of software engineering experience, including 1-2 years focused on production AI or ML systems
• ▹Hands-on experience with LLM APIs (Anthropic Claude, OpenAI GPT, etc.) and prompt engineering best practices
• ▹Strong programming skills in Python and/or TypeScript/JavaScript, comfortable with backend services and lightweight frontends
• ▹Experience building RAG pipelines, embedding workflows or agentic systems using frameworks like LangChain or LlamaIndex
• ▹Familiarity with vector databases (Pinecone, Weaviate, pgvector, etc.) and semantic search patterns
• ▹Experience working cross-functionally with non-technical stakeholders to scope and deliver AI projects
• ▹Proven ability to evaluate AI output quality and build evals/testing frameworks for LLM-based systems

Nice to have

• ▹Logistics, supply chain or B2B SaaS experience is a strong plus
• ▹Experience with MCP (Model Context Protocol), AI agent orchestration or multi-step tool-use workflows is a bonus

Soft skills

About the company

Portless specializes in global delivery solutions for SMBs and enterprise merchants, enabling businesses to ship direct-from-factory from manufacturing hubs like China to destinations worldwide.