blw.kareninatech.com/
BLW Solids Tracker
AppMVP shipped in under 2 weeks. Parents use it to introduce 100+ foods safely, with built-in allergy tracking and a clear rejection log.
ViteReactTypeScript
/* introduction */
KARENINA
I am a Full-stack Web Developer
Specializing in React, Node.js, and AI-assisted engineering. I work independently to help businesses and individual creators build custom SaaS platforms, workflow tools, and interactive web apps.
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// skillset
Arsenal
The craft behind the work.
01
The Core Ecosystem
Building deep, stable, and scalable applications from the root up.
ReactTypeScriptNode.jsREST APIsJest
02
Velocity & Evolution
Embracing AI workflows to move fast, migrating raw prototypes into production ecosystems.
Cursor IDEClaude Code
03
Guardrails & Protection
Nurturing code quality and locking down security to safeguard the lifecycle.
Application SecurityGitHuskyESLint
04
Nurturing & Product
Guiding ideas into existence through structured flows and fast MVPs.
Agile MethodologiesRetool
// ecosystem
The Ecosystem
Modular materials — full products and agnostic agent tools, built from the same stack.
BLW Solids Tracker Skill
Agenttool.schema.json
Local Node.js skill server for BLW food introduction. Agents load the system prompt, register the tools, and guide parents safely. No API keys, self contained.
SKILL.mdNode.jsREST APIAgnostic
safetyStatus on every response · self-contained · no API keys
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