Company profile

Kantiv Tech Stack

AI pursuit intelligence and proposal platform for AEC marketing teams

Software Development San Diego , CA 51–200 employees Founded 2022 Privately Held

Kantiv, formerly Joist AI, builds AI software that helps architecture, engineering and construction firms turn past proposals and client history into stronger bids. Its stack is LLM-native: LangGraph, Crew AI and LlamaIndex for agent orchestration, Langfuse and LangSmith for observability, and Pinecone, Weaviate and FAISS for retrieval. Engineering-led hiring in India, focused on agentic proposal writing and chat latency, points to a push to productionize multi-agent workflows.

Tech Stack 46 technologies

Core StackPython RAG React FastAPI AWS AWS Lambda AWS RDS Playwright Jira Postman Java PyTorch TensorFlow OpenAI Pinecone Weaviate pytest LangGraph Langfuse LangSmith AWS Step Functions Linear TestRail Zephyr Swagger Mistral Llama LlamaIndex Crew AI FAISS+14 more

What Kantiv Is BuildingChallenges and projects from their job posts

◆Challenges

Inefficient proposal writing process
Reducing latency of chat systems
Improving renewal rates

▲Active Projects

Agentic proposal writing platform
Modular agent component development
Discovery and pilot programs
Voice of customer program
Launch excellence program

Hiring Activity

Accelerating3 roles · 2 in 30d

Department

Engineering

Marketing

Seniority

Senior

Mid

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About Kantiv

Kantiv is a San Diego-based software company founded in 2022 and formerly known as Joist AI. It sells a pursuit intelligence platform to marketing and business development teams at AEC firms. The product captures proposals, project data, staff expertise and client history, then applies them across the pursuit lifecycle, from go/no-go decisions to proposal drafting. The company is privately held with 51–200 employees and runs its backend on Python, FastAPI and AWS services including Lambda, RDS and Step Functions.

HeadquartersSan Diego , CA

Company Size51–200 employees

Founded2022

Hiring MarketsIndia

Frequently Asked Questions

What tech stack does Kantiv use?

Kantiv uses Python, FastAPI, React and AWS (Lambda, RDS, Step Functions), with an AI layer built on LangGraph, LlamaIndex, Crew AI, OpenAI, Mistral, Llama and vector stores like Pinecone, Weaviate and FAISS.

Is Kantiv hiring engineers?

Yes. Kantiv's hiring is accelerating and weighted toward senior engineering roles, with additional marketing hiring, and current openings are based in India.

What is Kantiv working on?

Kantiv is building an agentic proposal writing platform and modular agent components, alongside voice of customer, launch excellence, and discovery and pilot programs.

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How this profile is built

Kantiv's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.