AeroLeads people directory · profile
Johnathan Yu Email & Phone Number
Principal Application Developer
at
Los Angeles County Internal Services Department
1 work email found
@legalzoom.com
5 phones found area 626, 714, and 215
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Principal Application Developer
Location
Los Angeles Metropolitan Area, United States
Who is Johnathan Yu? Overview
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Quick answer
Johnathan Yu is listed as Principal Application Developer at Los Angeles County Internal Services Department, based in Los Angeles Metropolitan Area, United States. AeroLeads shows a work email signal at legalzoom.com, phone signal with area code 626, 714, 215, and a matched LinkedIn profile for Johnathan Yu.
Johnathan Yu previously worked as Senior Software Engineer at A Company In The Property Valuation, Data & Analytics, And Risk Management Space and Senior Software Engineer at A Company In The Property Valuation, Data & Analytics, And Risk Management Space.. Johnathan Yu holds Ms, Computer Science/Computer Engineering from California State University, Long Beach.
Company email context
Email format at Los Angeles County Internal Services Department
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{first_initial}{last}@legalzoom.com
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AeroLeads found 1 current-domain work email signal for Johnathan Yu. Compare company email patterns before reaching out.
Profile bio
About Johnathan Yu
I am a professional that knows how to figure things out, solve real business problems, find practical solutions, and build solutions efficiently. In a career spanning more than a decade, I am an accomplished solution architect. I currently serve a company in the property valuation, data & analytics, and risk management space in Santa Ana, California. Here, I am involved in all areas of business, technical architecture, and application development.Previously, I held similar positions at GlobalLogic, LegalZoom, CDK Global, and Latham and Watkins, LLC. Throughout my career, I have developed and refined my skills in all areas of technical solution architecture, have been involved in hands on application development, have been at the heart of many successful initiatives, and have also led diverse teams to their peak performance.I earned my Master of Science in Computer Science from California State University, Long Beach, where I earlier obtained a Bachelor of Science in Computer Science.
Listed skills include .Net, Xml, Software Development, Microsoft Sql Server, and 46 others.
Current workplace
Johnathan Yu's current company
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Los Angeles County Internal Services Department
Website
AeroLeads page
7 roles
Johnathan Yu work experience
A career timeline built from the work history available for this profile.
Senior Software Engineer
A Company In The Property Valuation, Data & Analytics, And Risk Management Space
Senior Software Engineer
A Company In The Property Valuation, Data & Analytics, And Risk Management Space.
Senior Solutions Architect
▪ Lead technical and architecture oversight; and conduct requirement and design sessions with internal and external teams.▪ Solutioned cloud-base application based on AWS, Django, and React.▪ Document technical design through Atlassian Confluence.▪ Lead strategic planning and define solution with clients.▪ Architect, solution, and implement RESTful application using AWS S3, Docker, PostgreSQL, Terraform, and GitLab.
Nov 2021 - Aug 2023
Solutions Architect
▪ Architected for the next generation of automated document generation platform in the cloud using AWS lambda, AWS step function, AWS DynamoDB, AWS SQS, AWS SNS, C# .NET Core microservices, Application Insights, test automation, and Smart Communications cloud-based communications that integrates with APIGEE, Box© cloud storage, Datadog, and existing legacy CMS system. The project also involves:o solution design;o leading internal and external team;o running project using agile methodology;o producing design artifacts, timeline, running scrum meetings; ando migrated existing products to new platform▪ Researched and demonstrated POC on feasibility using PingIdentity enterprise federation server that enables user to authenticate and use single sign-on for a web portal.▪ Research and solution legacy system replacement.▪ Work on microservices based on RESTful API in C# .NET Core.
Jun 2016 - Oct 2021
Senior Asp.Net Developer
▪ Developed web applications and web services use by car dealership for automating vehicle registration. Integrated web application into company global web platform.▪ Created UI using Razor, CSS, JQuery, JavaScript, AJAX, AngularJS, Bootstrap, and Kendo UI Web, created business tier and RESTful API using ASP.NET 4.5, C#, MVC 5, LINQ, ADO.NET Entity Framework, and created data tier that supports GemFire DB and MS SQL Server.▪ Researched and analyzed COTS for business solution.▪ Applied application performance matrix. Enforced unit test coverage. Conducted code review.▪ Conducted scrum meeting and created solution artifacts on Atlassian JIRA and Confluence.▪ Coordinated with offshore development team.
Sep 2013 - May 2016
Senior Asp.Net Developer
▪ Architected and developed web applications using full SDLC methodology.▪ Created UI using Razor, CSS, Kendo UI Web, KnockoutJS, JQuery, and JavaScript, created business tier using MVC 4, LINQ, C#, Active Directory API, and created data tier using ADO.NET Entity Framework.▪ Created RESTful API web services using WCF.▪ Created MS SQL Server database schema.▪ Applied application performance matrix.▪ Designed security layer for data audit.
Sep 2007 - Sep 2013
2 education records
Johnathan Yu education
Ms, Computer Science/Computer Engineering
California State University, Long Beach
Bs, Computer Science/Computer Engineering
California State University, Long Beach
FAQ
Frequently asked questions about Johnathan Yu
Quick answers generated from the profile data available on this page.
What company does Johnathan Yu work for?
Johnathan Yu works for Los Angeles County Internal Services Department.
What is Johnathan Yu's role at Los Angeles County Internal Services Department?
Johnathan Yu is listed as Principal Application Developer at Los Angeles County Internal Services Department.
What is Johnathan Yu's email address?
AeroLeads has found 1 work email signal at @legalzoom.com for Johnathan Yu at Los Angeles County Internal Services Department.
What is Johnathan Yu's phone number?
AeroLeads has found 5 phone signal(s) with area code 626, 714, 215 for Johnathan Yu at Los Angeles County Internal Services Department.
Where is Johnathan Yu based?
Johnathan Yu is based in Los Angeles Metropolitan Area, United States while working with Los Angeles County Internal Services Department.
What companies has Johnathan Yu worked for?
Johnathan Yu has worked for Los Angeles County Internal Services Department, A Company In The Property Valuation, Data & Analytics, And Risk Management Space, A Company In The Property Valuation, Data & Analytics, And Risk Management Space., Globallogic, and Legalzoom.
How can I contact Johnathan Yu?
You can use AeroLeads to view verified contact signals for Johnathan Yu at Los Angeles County Internal Services Department, including work email, phone, and LinkedIn data when available.
What schools did Johnathan Yu attend?
Johnathan Yu holds Ms, Computer Science/Computer Engineering from California State University, Long Beach.
What skills is Johnathan Yu known for?
Johnathan Yu is listed with skills including .Net, Xml, Software Development, Microsoft Sql Server, Sdlc, Ajax, Agile Methodologies, and Jquery.
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