Senior Software Engineer

The role

You will build systems that power an AI-driven procurement platform. You will own core backend services, build agentic systems, and ship customer-facing features.

What you will do

• Build and own core backend services, including integrations with ERP systems, supplier databases, and spend analytics tools.
• Build agentic systems including pipelines to categorize indirect spend and agents for sourcing and automated negotiation.
• Ship customer-facing features for real-time spend visibility and supplier benchmarking.
• Build evaluation and monitoring for AI systems.
• Set architectural direction for owned systems and mentor engineers.
• Apply security and data privacy practices.

Required qualifications

• 5+ years of professional software engineering experience.
• Track record of shipping production systems end to end.
• Strong backend engineering skills, including API design and data pipeline work.
• Hands-on experience building with LLMs in production, including agentic workflows, tool use, context and retrieval strategies, and evaluation.
• Experience shipping against messy real-world data: cleaning, normalization, entity resolution, and establishing ground truth.
• Comfortable with cloud infrastructure (AWS or GCP) and standard production practices: CI/CD, testing, and observability.
• Product sense.
• A drive to improve developer experience and team velocity in the AI era.
• Comfort with early-stage ambiguity.

Nice to have

• Deep production experience with TypeScript.
• Experience designing agent harnesses.
• Experience with ClickHouse, or with other columnar analytics stores such as BigQuery, Snowflake, or Databricks.
• Experience integrating with enterprise systems such as SAP, Oracle, NetSuite, Coupa, or Ariba.
• Background in procurement, supply chain, sourcing, or marketplace software.
• Experience meeting SOC 2, GDPR, or similar compliance requirements at a startup.
• Experience at an early-stage startup (seed through Series B).
• Experience across both B2B and B2C.

About the company

NegotiateAI is Menlo Ventures Backed. They are building AI for category managers at manufacturing and industrial companies to automate indirect spend.