AeroLeads people directory · profile
Xu Ha Email & Phone Number
Co-Founder
at
Cotax AI
1 work email found
@airbnb.com
3 phones found area 404 and 415
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Who is Xu Ha? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Xu Ha is listed as Co-Founder at Cotax AI, based in San Francisco Bay Area, United States. AeroLeads shows a work email signal at airbnb.com, phone signal with area code 404, 415, and a matched LinkedIn profile for Xu Ha.
Xu Ha previously worked as Gap year at Career Break and Backend Engineer at Rex Engine. Xu Ha holds Master'S, Computational Science And Engineering from Georgia Institute Of Technology.
Company email context
Email format at Cotax AI
This section adds company-level context without repeating Xu Ha's masked contact details.
{first}.{last}@airbnb.com
86% confidence
AeroLeads found 1 current-domain work email signal for Xu Ha. Compare company email patterns before reaching out.
Profile bio
About Xu Ha
Build minimal and extensible systems.
Listed skills include C++, Algorithms, Matlab, C, and 16 others.
Current workplace
Xu Ha's current company
Company context helps verify the profile and gives searchers a useful next step.
14 roles
Xu Ha work experience
A career timeline built from the work history available for this profile.
Gap Year
Current
Career Break
Oct 2024 - Present
Backend Engineer
Founding backend engineer on the Rex Engine "sailboat'* Product & engineering vision* Lay the foundation for the entire product to support multiple pivots* Programming Paradigm* DevOps & Dev Infra* Data Modeling* Search Infrastructure* Authentication* Payments* Messaging* Notifications
Aug 2023 - Oct 2024
Real Estate Hobbiest
Belo Construction
Mar 2022 - Aug 2023
Engineering Manager, Listings
Lead listings foundation team which owns and evolves backend services, frameworks, primary and secondary storage for all Airbnb listings.
Mar 2022 - Jun 2023
Engineering Manager, Experiences
Lead Airbnb Experiences Host Tools team which owns and evolves Host Dashboard, Calendar, Inbox/Messaging, Co-hosting, Stats/Insights and Zoom API Integrations.
Nov 2020 - Mar 2022
Staff Software Engineer, Experiences
- Create handy tools in product for Airbnb hosts- Architect core foundations for Airbnb Experiences- Recently launched Airbnb Online Experiences
Sep 2018 - Nov 2020
Senior Software Engineer, Trip Platform
- Founding engineer in Airbnb Restaurants team- New Airbnb product vertical end-to-end on Airbnb foundations and subsystems- Search backend for Places and Restaurants (Hive, Spark, Elasticsearch)- Generic product catalog backend for Airbnb to potentially serve various business types, e.g. restaurants, places, car rentals, flights, etc.- All subsystems including third-party API integration, reservation & payments, messaging & notifications
Feb 2017 - Sep 2018
Software Engineer, Experiences (Magical Trips)
- Founding engineer in Airbnb Experiences team- React web app for Airbnb hosts to onboard and manage their experiences- ReactNative mobile app for Airbnb hosts to manage their experiences- Backend foundation for Airbnb Experiences
Jul 2016 - Feb 2017
Software Engineer, Host And Homes
- Architect Airbnb messaging backend to support group chat and various product lines- Architect Airbnb Co-hosting feature for Homes- Architect Airbnb API Developer Platform
May 2015 - Jul 2016
Software Engineer, Data Infrastructure
Team: Voldemort, Distributed Data Systems, Data InfrastructureProjects: Database Performance; Storage Engine; Distributed Key-Value Storage for Derived Data; Distributed Systems Deploymenthttp://www.project-voldemort.comhttps://github.com/cshaxu/voldemort
Mar 2014 - May 2015
Member Of Technical Staff, Rdbms
Team: In-Memory Columnar (IMC), Oracle RDBMS Data LayerProjects: SQL Syntax Parser; High Performance Kernelhttp://www.oracle.com/us/corporate/features/database-in-memory-option/index.html
Jan 2013 - Mar 2014
Research Assistant
Computational Materials Science- Developed numerical fitting algorithms for alloy potentials- Simulation with High Performance Computinghttp://www.cmse.mse.gatech.edu
Aug 2011 - Dec 2011
Research Assistant
Computational Materials Science: designed and implemented molecular dynamics simulator and investigated generalized stacking fault energieshttp://lmms.sjtu.edu.cn
Jul 2010 - Jul 2011
4 education records
Xu Ha education
Master'S, Computational Science And Engineering
Georgia Institute Of Technology
Bachelor'S, Materials Science And Engineering
Shanghai Jiao Tong University
Academic
Xiamen Shuangshi High School
Academic
Xiamen Shuangshi Middle School
FAQ
Frequently asked questions about Xu Ha
Quick answers generated from the profile data available on this page.
What company does Xu Ha work for?
Xu Ha works for Cotax AI.
What is Xu Ha's role at Cotax AI?
Xu Ha is listed as Co-Founder at Cotax AI.
What is Xu Ha's email address?
AeroLeads has found 1 work email signal at @airbnb.com for Xu Ha at Cotax AI.
What is Xu Ha's phone number?
AeroLeads has found 3 phone signal(s) with area code 404, 415 for Xu Ha at Cotax AI.
Where is Xu Ha based?
Xu Ha is based in San Francisco Bay Area, United States while working with Cotax AI.
What companies has Xu Ha worked for?
Xu Ha has worked for Cotax Ai, Career Break, Rex Engine, Belo Construction, and Airbnb.
How can I contact Xu Ha?
You can use AeroLeads to view verified contact signals for Xu Ha at Cotax AI, including work email, phone, and LinkedIn data when available.
What schools did Xu Ha attend?
Xu Ha holds Master'S, Computational Science And Engineering from Georgia Institute Of Technology.
What skills is Xu Ha known for?
Xu Ha is listed with skills including C++, Algorithms, Matlab, C, Python, Java, Machine Learning, and Sql.
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