Sunwoo Yang

Sunwoo Yang

Mentor
Rising Codementor
US$12.00
For every 15 mins
ABOUT ME
Full-Stack Ruby on Rails/ReactJS Developer
Full-Stack Ruby on Rails/ReactJS Developer

Hi there!

I'm a full-stack engineer with a passion for building intuitive applications that solve real problems. Over the past few years, I've specialized in developing GenAI-powered solutions and full-stack applications using React, React Native, Ruby on Rails, and TypeScript.

What excites me most about software development is taking complex technical challenges and turning them into seamless user experiences. Whether I'm architecting vector database solutions with Pinecone, building AI agents with tool-calling capabilities, or creating mobile apps with React Native, I focus on writing clean, maintainable code that delivers real value.

My freelance experience has taught me to be adaptable, communicate effectively with stakeholders, and ship quality products on tight timelines. I thrive in collaborative environments where I can contribute to both technical architecture and product decisions.

I'm always eager to learn new technologies and take on challenging projects. I'd love to discuss how my experience building scalable applications and developer tools can contribute to your team's success.

Thanks for your time!

Best regards,
Sunwoo Yang

English
Eastern Time (US & Canada) (-04:00)
Joined February 2019
EXPERTISE
6 years experience
1 year experience
6 years experience
5 years experience

REVIEWS FROM CLIENTS

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SOCIAL PRESENCE
GitHub
Hacker-News-Job-Parser
Hacker News Job Parser Script in Python
Python
3
0
Ruby100Projects
100 Projects to help me relearn ruby
Python
2
4
EMPLOYMENTS
Freelance Full Stack Engineer
Freealnce
2023-02-01-Present
  • Specialized in developing GenAl-powered applications and solutions for various clients.
  • Implemented vector database solut...
  • Specialized in developing GenAl-powered applications and solutions for various clients.
  • Implemented vector database solutions using Pinecone for efficient similarity search and retrieval.
  • Developed Al agents with tool-calling capabilities for complex workflow automation.
  • Built full-stack applications using Ruby on Rails, React, TypeScript, React Native, Pinecone, OpenAI, Gemini, Claude, Supabase, and PostgreSQL.
  • Designed and optimized database schemas and queries for high-performance Al applications.
Ruby on Rails
React
React Native
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Ruby on Rails
React
React Native
OpenAI
LLM
Pinecone
Vector databases
View more
Lead Engineer
SureSwift Capital
2022-02-01-2023-09-01
  • Managed engineering efforts across multiple SaaS products.
  • Led development initiatives, coordinated with cross-functional...
  • Managed engineering efforts across multiple SaaS products.
  • Led development initiatives, coordinated with cross-functional teams, and ensured platform scalability.
  • Oversaw codebase quality and technical direction for diverse projects.
Ruby on Rails
PostgreSQL
React
View more
Ruby on Rails
PostgreSQL
React
JavaScript
React Native
View more
Ruby on Rails Developer
Sarekon
2018-08-01-2019-08-01

In charge of the ruby on rails backend of the Sarekon GPS based infrastructure.

In charge of the ruby on rails backend of the Sarekon GPS based infrastructure.

Ruby on Rails
MySQL
JavaScript
Ruby on Rails
MySQL
JavaScript