Einar Montalvo
Crafting exceptional digital experiences with clean code and thoughtful design
About Me
Crafting digital experiences with passion, precision, and purpose
👋Hello, I'm Einar Montalvo
A passionate Full Stack Developer and AI enthusiast with 10+ years of experience crafting digital experiences that users love.
I specialize in building scalable web and mobile applications using React, Next.js, TypeScript, and modern development technologies. I thrive on turning complex problems into elegant solutions that users love.
Beyond work, I love exploring emerging technologies, contributing to open-source projects, and mentoring aspiring developers. I believe in continuous learning and staying at the forefront of technological innovation.
Core Technologies
Software Engineer
Inoxoft
2023 — Present
Delivering high-quality startup solutions at Inoxoft, leading React/Next.js builds, optimizing APIs, databases, and CI/CD for speed and security.
Front end developer
Snowflake
2020 — 2023
Delivering core Snowsight features at Snowflake, optimizing React dashboards and worksheet editor for 200+ teams, driving scalable components
Let's Connect
Achievements
Available for Hire
Technology Stack
Technologies I use to bring ideas to life
Backend
Node.js
Python
Nest
Express
FastAPI
Django
GraphQL
Socket.io
OAuth2
Frontend
React
Vue
Next.js
Redux
TypeScript
JavaScript
Tailwind CSS
Material UI
D3.js
SVG
Tanstack Query
Flutter
Database
PostgreSQL
MongoDB
MySQL
Redis
Prisma
ELK
Cloud & DevOps
AWS
GCP
Firebase
Kubernetes
Docker
Git
AI & Integration
OpenAI
LangChain
Vercel AI SDK
Stripe
Vector Database
MCP
Degrees Received
"Pursued advanced studies in Computer Science with focus on machine learning and software engineering"
Experience
My professional journey and the impact I've made across different domains
Staff Software Engineer
Inoxoft
Led end-to-end frontend and full-stack builds for startups, delivering investor-ready MVPs from scratch.
Key Achievements
Technologies & Skills
Senior Frontend Engineer
Snowflake
Built core Snowsight features including worksheets editor, interactive dashboard tiles, and virtualized result rendering.
Key Achievements
Technologies & Skills
Software Engineer II
Microsoft
Full-stack engineer on Windows Admin Center (Project Honolulu), Microsoft’s browser-based platform for managing Windows Server infrastructure.
Key Achievements
Technologies & Skills
Software Engineer
Accenture
Frontend engineer for a real-time ECG monitoring system integrated with a HIPAA-compliant AWS pipeline.
Key Achievements
Technologies & Skills
Featured Projects
Discover my latest work in web development, AI integration, and digital innovation
Dafabet
Next-Gen Sports Betting Platform
A large-scale, multi-market sports betting platform reimagined with modern front-end architecture, high-performance streaming, and regional customization. Migrated from legacy Backbone.js to Next.js (v15) with SSR, ISR, and React Server Components (RSC), integrated with Nginx, Varnish, and Cloudflare CDN for edge acceleration.
Key Features
- Server-Side Rendering (SSR) and Incremental Static Regeneration (ISR) for high-speed delivery
- GraphQL + REST CMS integration for promotions, taxes, and localization management
- Signals-based state management using Zotai with RTK and RTK Query for real-time updates
- Multi-brand theming system using Shadcn UI, TailwindCSS, and ThemeProvider
- Sub-20 ms render latency during 1M+ concurrent IPL sessions via WebSocket and long polling
- CI/CD pipelines with Jest, Playwright, and React Testing Library achieving 75%+ coverage
- Real-time odds streaming with BetGenius and Betradar integrations
- Edge caching optimization with Nginx, Varnish, and Cloudflare CDN layers
- Secure sandboxed live video widgets using HLS.js and custom JavaScript bridges
Deliverables
- Production-grade Next.js betting platform deployed globally
- Reusable UI theming and localization architecture for 10+ regions
- Betslip Controller with high-frequency odds synchronization
- GraphQL-backed CMS and content federation
- Automated end-to-end testing suite with CI/CD pipelines
- Real-time streaming infrastructure and monitoring dashboard
- Multi-brand support for localized branding and layouts
- Analytics and telemetry integration for performance optimization
Technology Stack
Ad.Net Dashboard
Ad Network Campaign Management Platform
A full-featured advertising network dashboard enabling 10K+ advertisers to manage campaigns, track performance, and access real-time reporting. Designed for scalability, security, and rapid MVP delivery to production-ready solution.
Key Features
- Campaign management with role-based access control (RBAC)
- Interactive dashboards with real-time charts and reporting
- WebSocket-powered live updates processing 50K+ campaign events daily
- Customizable filters and segmentation for advertiser insights
- Responsive UI with TailwindCSS and MUI component library
- Authentication and authorization via OAuth2 and JWT
- Multi-tenant architecture supporting thousands of advertisers
- CI/CD automation with zero-downtime deployments
Deliverables
- MVP React/Next.js application delivered in under 3 months
- Campaign dashboard with reporting and analytics
- Reusable component library with 40+ Storybook-driven components
- PostgreSQL + Prisma schema design optimized for low-latency queries
- Secured REST APIs with OAuth2 and JWT authentication
- Real-time WebSocket pipeline for campaign event ingestion
- AWS ECS-based CI/CD pipeline reducing deploys to 15 minutes
- Developer onboarding playbooks and team mentorship
Technology Stack
Athina.ai
Enterprise LLM Development & Monitoring Platform
A production-grade platform enabling teams to build, test, and monitor LLM-powered applications at scale. Serving 50+ enterprise clients with comprehensive tools for prompt engineering, multi-model orchestration, and real-time performance monitoring across 100M+ daily API calls.
Key Features
- Multi-model orchestration supporting OpenAI GPT-4, Claude, PaLM, Llama, and Mistral
- Collaborative prompt engineering workspace with version control and A/B testing
- Automated evaluation framework with hallucination detection and quality scoring
- Real-time monitoring dashboard tracking token usage, latency, and model drift
- Intelligent routing based on cost, latency, and performance requirements
- Streaming response handling for real-time LLM interactions
- Custom metrics for semantic similarity and response quality analysis
- Event-driven architecture for processing large-scale LLM interactions
Deliverables
- Full-stack web application deployed on AWS infrastructure
- Multi-model LLM orchestration layer with intelligent routing
- Prompt engineering workspace with collaborative editing
- Automated testing and evaluation framework
- Real-time analytics and monitoring dashboard
- RESTful and GraphQL APIs for LLM provider integrations
- Comprehensive documentation and open-source utilities
Technology Stack
Coco Robotics Command Center
Real-Time Robot Fleet Management Platform
A comprehensive robotics tracking and management platform that enables real-time monitoring of autonomous service robots. Features advanced mapping capabilities for tracking robot movements, status monitoring, and fleet optimization across multiple deployment locations.
Key Features
- Real-time robot tracking with live position updates on interactive maps
- Fleet status monitoring with health metrics and battery levels
- Geofencing and zone management for robot navigation boundaries
- Route optimization and path planning visualization
- Alert system for maintenance needs and operational anomalies
- Historical movement data analysis and heatmap generation
- Multi-robot coordination and task assignment interface
- Performance analytics dashboard with KPI tracking
Deliverables
- Production-ready fleet management web application
- Real-time robot tracking system with Mapbox integration
- Administrative dashboard for fleet operations
- Mobile-responsive interface for field technicians
- RESTful API for robot data ingestion
- Alert and notification system
- Historical data analytics and reporting tools
- Documentation for system integration
Technology Stack
Let's Work Together
Ready to bring your ideas to life? I'm always excited to work on interesting projects and collaborate with amazing people. Let's create something extraordinary together.
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