Senior AI Platform Engineer
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Job Description
Senior Software Engineer building and scaling the core AI-driven procurement platform. Collaborating with founding engineers on backend services, workflows, and user interfaces using Node.js and React.
Responsibilities:
- Build and extend backend services that power NegotiateAI’s AI-driven procurement platform
- Implement LLM- and RAG-based pipelines for spend categorization, benchmarking, and supplier analysis
- Develop and maintain agentic workflows that automate analysis, recommendations, and follow-ups
- Contribute to the Buyer Portal frontend (React), building clean, usable interfaces for procurement teams
- Use AI-assisted coding tools (e.g., Cursor) to accelerate development, debugging, and iteration
- Integrate with customer data sources (ERPs, invoices, supplier files) and handle messy, real-world datasets
- Collaborate closely with the founding engineer on architecture, trade-offs, and execution
- Write clear, maintainable code with strong attention to performance, reliability, and observability
Requirements:
- 6+ years of professional software engineering experience
- Strong backend experience building APIs and data pipelines; comfort working across the stack
- Experience shipping products in fast-moving startup or startup-like environments
- Hands-on experience with Node.js and React
- Practical experience building or integrating AI-powered systems (LLMs, RAG, embeddings, or agentic workflows)
- Comfortable using AI-assisted development tools (Cursor, Copilot, or similar) to move faster without sacrificing quality
- Strong product and design sense and ability to balance speed with correctness
- Ownership mindset: you see problems through to completion
- Full tech stack + ML + product sense must. Can code and iterate quickly and scrappily, but can also step back and architect the stack, experience with Node & React.
- A+ player, exceptionally good technically, exceptional leader
- Hungry to build a $B+ VC backed AI enterprise solution
Benefits:
- Health insurance
- Retirement plans
- Flexible work arrangements
- Professional development
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