# Arata Kagan

> Software Engineer

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/arata

🚀 Full Stack Engineer | AI Trainer & Problem Solver

I craft high-impact software solutions—from training LLMs at Scale AI (4.5/5 user-rated outputs) to building systems that process 400K+ monthly transactions at Vitu. My strength is breaking down complex problems into scalable apps while bridging technical and business needs.

Proven Impact:

AI/ML: Trained LLMs for coding assistance, optimizing response quality and accuracy

Full-Stack: React/Vue, Node, Python, C#. Built ETL pipelines saving 2+ hrs/week

Leadership: Slashed DMV form errors by 50% via GraphQL optimizations

Future Goals:
Transitioning into AI-powered full-stack roles, blending model training with hands-on development to build intelligent applications.

Let’s Connect For:

AI/LLM training strategies 🤖

Full-stack development challenges 💻

Cross-functional tech projects 🌐

Beyond Code: Hiking 🏔️ | Pickleball 🎾 | Labradoodle adventures 🐕🐕

Tech Stack:
JavaScript/TypeScript | React/Vue | Node/Express | Python | C# | AWS | GraphQL | SQL

## Work Experience
### AI Training Engineer | RLHF & Code Evaluation @ Scale AI
Jan 2024 – Jan 2025
- Training LLM by crafting natural conversation between AI and user for complex coding problems in various topics (i.e. Graph, text analysis, business logic)
- Reviewing code in Python, JavaScript, TypeScript, C#, Java and Go

### Software Developer @ Vitu
Jan 2021 – Jan 2023 | Los Angeles Metropolitan Area
- Extending GraphQL API endpoint to serve product's feature expansion  
- Developing new UI functionality in Vue framework 
- Writing E2E tests (Codeceptjs + Puppeteer) to maintain application's functionality and performance 
- Configuring Jenkins CI pipeline to trigger E2E test

Technologies/Tools: 
FE: Vue2, TypeScript, Quasar (UI Library)
BE: Node/TypeScript, Nest.js 
DB: PostgreSQL, GraphQL
DevOps: Docker, Kubernetes, Jenkins, Google Cloud

### Software Engineer @ HLS Global
Jan 2019 – Jan 2021 | Greater Los Angeles Area
- Developing timesheet data analysis application using React/Redux, Node and MySQL  

- Leading the development of a timesheet alert system by creating an ETL pipeline that extracts timesheet data from PracticeCS (timesheet entry software) using C# and MySQL

- Designing/Implementing a Single-Sign On feature on our internal CRM app using third-party LDAP SDK for Java

- Creating/optimizing complex SQL queries for extracting transaction data from MySQL database

- Debugging large-scale enterprise tax return management system developed in Java (Struts2 framework)

Programming languages: JavaScript, React/Redux, Node, Java (J2EE, JSF, Spring, Spring Boot, Struts2), C#, HTML, CSS
Database: MySQL
Infrastructure: Microsoft Azure, Windows Server Active Directory 
IDE: Eclipse, Netbeans, Visual Studio 2015

### Japanese Market Customer Solutions Representative @ Wix.com
Jan 2017 – Jan 2018 | San Francisco, California
• Developed and maintained positive customer relations and satisfaction by offering such services as: SEO, site performance, site structure, feature requests and resolving technical difficulties.
• Provided translations of Help Knowledge Base, Video Tutorials and billing solutions.

### Project Lead @ Amazon
Jan 2016 – Jan 2016 | Cambridge, MA
•	Led the Amazon Alexa Japanese transcription team and created detailed guidelines to ensure uniform data across the whole team and maintain high accuracy in the team’s work. 
•	Served as team liaison between Japanese language modelers in Europe and the U.S. to align Japanese convention rules with other language model guidelines.
•	Developed a recruitment campaign for Amazon resulting in the hiring of ten contractors.

### Data Associate @ Amazon
Jan 2015 – Jan 2016 | Cambridge, MA
•	Capably transcribed over 1500 Japanese utterances daily, including both spoken and written forms and shared rare and difficult cases with my team via an online portal. 
•	Held a track record of always meeting project deadlines while producing high quality data.

### Japanese Transcriber @ Amazon.com (via Collabera)
Jan 2015 – Jan 2015 | Cambridge, MA
•	Capably transcribed over 1500 Japanese utterances daily, including both spoken and written forms and shared rare and difficult cases with my team via an online portal. 
•	Held a track record of always meeting project deadlines while producing high quality data.

### Global Marketing Research Analyst @ INTAGE Inc.
Jan 2013 – Jan 2014 | Tokyo
•	Coordinated research projects with companies from Taiwan, Singapore, Thailand, China, Saudi Arabia, UAE, and Poland; gained knowledge of cross-cultural business practices.  
•	Managed cleaning and interpreting data collected from the field; cultivated detail-oriented data analysis skills.


## Education
### Bachelor of Arts (BA) in Sociology (Major), Global Studies (Minor)
UCLA

### Software Engineering Fellow in Computer Science
Formation
Jan 2023

### Certificate of General Education
Palomar College

### Web Developer Appreticeship program in Computer Software Engineering
Bloc
Jan 2018 – Jan 2018

### Data Analysis Nanodegree in Data Processing and Data Processing Technology/Technician
Udacity
Jan 2017 – Jan 2018


## Contact & Social
- LinkedIn: https://linkedin.com/in/aratakagan
- GitHub: https://github.com/ArataKagan

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Source: https://flows.cv/arata
JSON Resume: https://flows.cv/arata/resume.json
Last updated: 2026-03-22