Portfolio

What I offer

–

Bringing diverse perspectives as a Latina engineer
–

Developing robust, scalable full-stack systems
–

Leading with innovation and technical excellence
–

Building inclusive products for diverse users
–

Advocating for women and minorities in technology

Front-End Development

–

React.js, Next.js, TypeScript, Redux.js
–

React Native, AngularJS, Mobile Development
–

HTML5, CSS3, Bootstrap, Responsive Design

API Development

–

REST API design & implementation
–

Express.js, Node.js API development
–

JWT, OAuth authentication & security
–

Postman, API testing & documentation

Back-End Development

–

Node.js, Express.js, Python, Flask
–

PostgreSQL, MongoDB, Sequelize, Firebase
–

AWS, Vercel, Render, Docker, Cloud Deployment

AI & Machine Learning

–

GPT-4 Integration & AI-Powered Applications
–

Machine Learning, TensorFlow, Deep Learning
–

AWS Rekognition, Firebase ML, Computer Vision
–

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

Hover for details →

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

View Live View Code

COMING SOON

CLARITY

AI-Powered Wellness App — iOS & Android

React Native Expo SDK 54 TypeScript Firebase OpenRouter AI

GitHub ↗

Hover for details →

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

View Code

COMING SOON

CODEWHISPER

AI-Powered Interview Coach

Tauri 2.0 Rust React 18 TypeScript Claude API SQLite

GitHub ↗

Hover for details →

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

View Code

Where I've Worked

Experience

GAM

Junior Software Engineer

Jul 2026 – Present

Great American Media · Remote

Next.jsReactTypeScriptAWSRedisZustand

Developed an AI customer support agent for a subscriber-lifecycle streaming platform, engineering its billing/subscription handling capability ahead of production release
Integrated the AI agent with OneBill's subscription billing system via API connections, validating data accuracy through extensive Postman testing
Contributed features to a production Next.js/React/TypeScript app spanning checkout, account management, and cancellation/retention funnels
Engineered a visual recommendation rail in React/Next.js, translating backend recommendation output into a consumer-facing experience for non-technical stakeholders
Worked within a full AWS-based infrastructure alongside integrations for OneBill, PureFlix API, and Redis-backed session management

LVC

Founding Engineer (First Engineering Hire)

Feb 2025 – May 2026

LVC Solutions · Remote

Next.jsTypeScriptFirebaseAWSAzureGPT-4

Led development of a production full-stack web application from concept to deployment within 6 months, delivering a scalable and maintainable system
Implemented frontend and backend architecture using Next.js, TypeScript, and Firebase, reducing bug reports by 25% through maintainable code and unit testing
Designed and executed cloud deployment strategies on AWS and Azure, improving system performance and reducing costs by 20%
Implemented AI-powered features, including intelligent chatbots and recommendation systems, using GPT-4 and AI-driven workflows

Full Stack Software Engineer

Jul 2025 – Oct 2025

TheWhyMan · Remote

AngularPythonReact NativeFirebaseThree.jsWebGL

Built a human-powered AI coaching platform, implementing scalable microservice APIs to integrate multi-modal AI capabilities with the React Native frontend and Python backend
Developed a Python-based backend for AI-powered coach matching and behavioral progress tracking, enhancing data analytics and personalized user engagement by 20%
Engineered complex 3D graphics integration for a web-rendered interactive avatar system — achieved compatibility between hyper-realistic 3D models and Mixamo for real-time motion tracking and skeletal animation
Integrated end-to-end Firebase for real-time database functionality, secure authentication, and cloud functions to support scalable user interactions
Designed and implemented gamification systems and token-based rewards, boosting user retention by 15% in 6 months

Founder & Full Stack Engineer

Dec 2024 – Present

Clarity · Remote

React NativeExpoFirebaseStripeGoogle Cloud NLP

Founded and leading product, design, and engineering of a mental wellness mobile platform, from concept through native iOS/Android development
Enrolled in the Apple Developer Program and preparing for App Store submission
Built secure authentication, scalable API architecture, and a freemium Stripe subscription system
Applied iterative design from user feedback to boost engagement by 40%

Where I Learned

Education

💻

Certificate · Jan 2025

App Academy

Full Stack Web Development

Intensive 6-month, 940-hour program covering JavaScript, React, Node.js, Express, PostgreSQL, Python, and more.

JavaScript React Python PostgreSQL

🎓

B.A. · May 2024

Dominican University of California

Business Administration

Minor in Computer Science · Minor in Global Innovation & Entrepreneurship

Business Software Design Entrepreneurship

Currently pursuing: Microsoft AI & Machine Learning Certificate · AWS Cloud Practitioner · TensorFlow for AI Applications

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

Junior Software Engineer

Founding Engineer (First Engineering Hire)

Full Stack Software Engineer

Founder & Full Stack Engineer

Education

App Academy

Dominican University of California

Interested? I'd love to hear from you.