Senior Full-Stack Software Engineer

Tchunoo Rhee Kahng

Fullerton, CA

12+ years building production systems. Former CTO. CMU Architecture.

Background

Senior full-stack engineer with 12+ years building production systems across startups and design-technology firms. As CTO of a startup, led end-to-end backend architecture, cloud migration, API design, and cross-functional coordination with frontend and mobile teams. Experienced shipping e-commerce platforms, serverless workloads, and domain-specific analysis engines in TypeScript, Go, C#, and Java on AWS infrastructure.

Projects

Skills

Languages

GoTypeScriptJavaC# (.NET)Python

Backend

Node.jsNestJSApollo GraphQLPrismaTypeORMSpring BootASP.NET

Frontend

ReactNext.jsAngular

Infrastructure

DockerKubernetesTerraformAWS (CDK, Lambda, RDS, EC2)GitHub ActionsProxmox

Data

PostgreSQLPostGISRedisKafkaBullMQPandasH3

Specialized

AEC/BIM Development (Revit API, Rhino SDK, Hypar Elements)Geospatial (QGIS, Deck.gl)

Experience

  1. Apr 2024 – Present

    Independent

    Career Break & Relocation · Fullerton, CA

    Deepening skills in Go, Kubernetes, and infrastructure engineering after relocating from South Korea.

  2. Oct 2020 – Apr 2024

    CTO / Full-Stack Engineer

    Qwerky Inc · Seoul, South Korea

    Led engineering across four products at a construction-tech startup, owning backend architecture, data modeling, infrastructure, and technical strategy.

  3. Jan 2012 – Oct 2020

    Computational Design Engineer

    Insigong · Seoul, South Korea

    Built Python/C# automation tools and GIS + ML pipelines for architectural design and urban feasibility analysis.

Contact

Get in touch

Open to senior engineering roles and interesting problems.