HeyMilo AI Tech Stack

AI voice agent for automated candidate screening in ATS platforms

Software Development New York, New York 11–50 employees Founded 2023 Privately Held

HeyMilo AI embeds a generative AI voice agent directly into hiring workflows, automating the screening process within ATS systems like Greenhouse, Lever, and Workday. The stack—Python, FastAPI, RAG, React, Next.js—reflects an early-stage AI company building both inference and frontend layers in-house. Active projects around observability, RAG pipelines, and NLP model optimization signal infrastructure investment to handle the fraud detection and high-volume screening challenges they're tracking internally.

Tech Stack 22 technologies

Core StackGreenhouse Lever Workday BambooHR Salesforce Intercom Python FastAPI RAG React TypeScript Next.js Tailwind CSS Cursor Slack Bullhorn Dayforce shadcn/ui HTML/CSS Google Workspace Notion

What HeyMilo AI Is Building

◆Challenges

High-volume hiring
Fraud detection
Accelerating screening
Expanding gtm team
Integration performance issues
Delays in onboarding
Operational bottlenecks
Scaling from startup to scaleup
Complex hiring workflows
Fraud in hiring

▲Active Projects

Build observability tools and ai-content auditing systems
Implement rag, contextual search, and advanced ai workflow pipelines
Fine-tune, deploy, and optimize deep learning models for nlp and computer vision tasks
Core frontend features for live ai interviews
Real-time ui flows
Customer onboarding and integration
Qbrs and workflow assessments
Customer insight relay to product roadmap
Cross-functional initiatives
Special projects critical to business

Hiring Activity

Accelerating10 roles · 5 in 30d

Department

Sales

Engineering

Support

Executive

Seniority

Senior

Mid

Lead

Notable leadership hires: Chief of Staff

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About HeyMilo AI

HeyMilo AI provides an AI-powered voice agent that automates candidate screening and engagement for companies across hiring scales. The agent integrates with major ATS platforms and is tuned to evaluate candidates for specific roles while minimizing bias. Founded in 2023 and based in New York, the company operates as a lean startup (11–50 employees) with an accelerating hiring velocity focused on sales and engineering. Current pain points center on fraud detection in hiring, integration performance across ATS connectors, and operational scaling as they expand their go-to-market team.

HeadquartersNew York, New York

Company Size11–50 employees

Founded2023

Hiring MarketsCanada, Sri Lanka, United States

Frequently Asked Questions

What ATS platforms does HeyMilo integrate with?

HeyMilo integrates with Greenhouse, Lever, Bullhorn, Workday, and BambooHR—covering major ATS and HRIS platforms used by mid-market and enterprise hiring teams.

Is HeyMilo AI hiring engineers?

Yes. HeyMilo has 2 active engineering roles posted, with 5 senior-level positions across all departments and overall hiring velocity accelerating.

What tech stack does HeyMilo use?

Python, FastAPI, RAG, React, TypeScript, Next.js, Tailwind CSS, and shadcn/ui for the core product, with Greenhouse and Workday for internal HR operations.