Portfolio

What I offer

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Bringing diverse perspectives as a Latina engineer
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Developing robust, scalable full-stack systems
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Leading with innovation and technical excellence
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Building inclusive products for diverse users
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Advocating for women and minorities in technology

Front-End Development

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React.js, Next.js, TypeScript, Redux.js
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React Native, AngularJS, Mobile Development
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HTML5, CSS3, Bootstrap, Responsive Design

API Development

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REST API design & implementation
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Express.js, Node.js API development
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JWT, OAuth authentication & security
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Postman, API testing & documentation

Back-End Development

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Node.js, Express.js, Python, Flask
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PostgreSQL, MongoDB, Sequelize, Firebase
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AWS, Vercel, Render, Docker, Cloud Deployment

AI & Machine Learning

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GPT-4 Integration & AI-Powered Applications
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Machine Learning, TensorFlow, Deep Learning
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AWS Rekognition, Firebase ML, Computer Vision
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Natural Language Processing (NLP), Model Deployment

Recent Software Engineering Projects

LIVE

FAIR JOB

Full-Stack Job Portal Platform

Next.js 15 TypeScript Firebase Tailwind Stripe

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Key Engineering Achievements:

Built full-stack TypeScript application with Next.js 15 using App Router, SSR, and API routes
Implemented complete Firebase backend: Authentication, Cloud Firestore database, Storage, and Functions
Developed real-time features including job postings, messaging system, social feeds, and recruiter dashboard
Integrated Stripe payment processing for subscriptions and premium features
Designed responsive UI with Tailwind CSS ensuring seamless mobile and desktop experience
Led engineering team implementing agile practices and modern React 19 patterns

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COMING SOON

CLARITY

AI-Powered Wellness App — iOS & Android

React Native Expo SDK 54 TypeScript Firebase OpenRouter AI

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Key Engineering Achievements:

Rebuilt as a true React Native app using Expo SDK 54 and Expo Router (file-based navigation), migrating from React 18 + Vite web to a fully native iOS/Android experience
Integrated OpenRouter AI (LLaMA 3.1) for context-aware soundscape recommendations personalized to mood, meditation type, and time of day — with local sentiment fallback when cloud is unreachable
Implemented hybrid AI sentiment pipeline routing journal text through Google Cloud NLP via Firebase Cloud Functions, with graceful VADER-style on-device degradation ensuring 100% uptime
Engineered "Flappy Mind" — a custom Flappy Bird-style minigame built with React Native Animated API, featuring mental health-themed mechanics and real-time physics fully client-side
Built a Mindfulness Garden — SVG-animated plant with 6 growth stages (Seed → In Bloom) driven by Firestore streak data, with haptic feedback and audio via expo-av and expo-haptics
Designed a Breathing & Grounding Exercise system with animated guided sessions for Box Breath, 4-7-8, and Calm patterns plus 5-4-3-2-1 grounding technique
Shipped freemium + trial subscription architecture with trial countdown banner, per-feature premium gates, and entitlement checks via Firebase Auth + Firestore
Added push notifications via expo-notifications and timezone-aware streak logic with daily resets across user timezones

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COMING SOON

CODEWHISPER

AI-Powered Interview Coach

Tauri 2.0 Rust React 18 TypeScript Claude API SQLite

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Key Engineering Achievements:

Built a cross-platform desktop overlay with Tauri 2.0, combining a Rust backend with a React/TypeScript frontend for native performance without Electron overhead
Integrated Claude API with a custom Socratic system prompt engine that guides users through coding problems with targeted questions — never giving direct answers
Implemented a local OCR pipeline using Tesseract to extract problem text from screenshots entirely on-device, keeping user data private
Architected a freemium licensing system with Supabase auth, SQLite local session history, and Stripe checkout via Edge Functions
Designed an always-on-top collapsible overlay with system-level screen capture, pattern library, and multi-tab coaching interface
Built full session and message CRUD with SQLite via SQLx for local-first persistent storage across coaching sessions

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Where I've Worked

Experience

Full Stack Software Developer

June 2025 – Present

TheWhyMan · Remote

AngularFirebasePythonReact NativePWA

Developing Resilience AI, an AI-first wellness coaching platform with celebrity-supported coaches
Architecting Firebase auth, real-time database features, and secure cloud functions
Building Python backend services for AI-powered coach matching and behavioral analytics
Implementing interactive goal-tracking progress rings to boost engagement and retention

LVC

Founding Software Engineer

Apr 2025 – Present

LVC Solutions LLC · Remote

Next.jsTypeScriptFirebaseAWSGPT-4

Leading development of scalable web apps using Next.js, TypeScript, and Firebase
Managing front-end and back-end engineers across the full development workflow
Designing and optimizing cloud deployments across AWS and Azure environments
Building AI-powered features including chatbots and recommendation systems

Software Engineer

Mar 2025 – May 2025

Stealth AI Startup · Remote

React NativeFlaskPythonWebGLMicroservices

Built multi-modal AI tech integrating microservice APIs into a React Native + Flask stack
Solved 3D integration challenges including hyper-realistic avatar compatibility with Mixamo
Engineered motion tracking and user prompt systems for interactive 3D avatar experiences
Collaborated on investor demo preparation for cutting-edge AI-powered solutions

Founder & CEO & Full Stack Engineer

Jan 2025 – Present

Clarity · Remote

ReactFirebaseStripePWAGoogle Cloud NLP

Founded and leading product, design, and engineering of a mental wellness platform
Shaped product vision, technical roadmap, and growth strategy from the ground up
Built secure authentication, scalable API architecture, and Stripe subscription system
Applied iterative design from user feedback to boost engagement by 40%

Krystal Galdamez

Full Stack Software Engineer

Hi, I'm Krystal! Nice to meet you.

What I Bring to the Table

Front-End

Back-End

AI & Machine Learning

Skills

Recent Software Engineering Projects

FAIR JOB

Key Engineering Achievements:

CLARITY

Key Engineering Achievements:

CODEWHISPER

Key Engineering Achievements:

Experience

Full Stack Software Developer

Founding Software Engineer

Software Engineer

Founder & CEO & Full Stack Engineer

Education

App Academy

Dominican University of California

Interested? Let's Get in Touch!