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Billie P Heidelberg

Billie P Heidelberg

✓ Available for New Opportunities

Full Stack Developer | Educator | Mentor

Full stack developer specialized in React, TypeScript, and Node.js with 7+ years of experience building scalable web applications and mentoring engineering teams. Proven track record delivering production-ready platforms with a focus on performance, security, and user experience.

Featured Projects

Innovative solutions built with modern technologies

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Smart Trader
Featured

Smart Trader

AI-powered trading journal with analytics and performance insights. Built with Next.js, TypeScript, and OpenAI for professional traders.

Next.jsTypeScriptSupabaseAI

Key Metrics:

Risk Management Tools
Performance Dashboard
Strategy Backtesting
40% Better Discipline
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Baby Tracker
Featured

Baby Tracker

An open source, privacy-first baby tracking solution that helps parents monitor feedings, diapers, sleep, and more while maintaining complete data ownership.

DjangoPostgreSQLDockerNext.jsOpen Source

Key Metrics:

MIT Licensed
Self-Hostable
Complete Data Ownership
AI-powered Insights
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Simmr
Featured

Simmr

The premier discovery and connection platform for the ethically non-monogamous community. Features include verification, discovery, events, and secure messaging.

ReactNode.jsPostgreSQLTypeScript

Key Metrics:

2,000+ Users
4.5 Star Rating on IOS App Store
Monthly Events
Private Messaging System
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Skills & Expertise

Technologies and tools I work with to build exceptional digital experiences

Frontend

React
5/5
Next.js
5/5
TypeScript
4/5
Tailwind CSS
5/5
React Native
4/5

Backend

Node.js
5/5
Express
5/5
GraphQL
4/5
RESTful APIs
5/5
Python
3/5

Databases

PostgreSQL
5/5
MongoDB
4/5
Supabase
5/5
Firebase
4/5
Redis
3/5

DevOps & Tools

Git/GitHub
5/5
Docker
4/5
AWS
4/5
CI/CD
4/5
Agile/Scrum
5/5

Certifications & Achievements

Professional credentials and impactful career highlights

Built Training Programs

Designed and delivered programs for API & Integration Developers

General Assembly Instructor

Mentored 150+ students into software careers

Developers Trained

Guided 200+ engineers across InvestCloud & GA programs

High-Impact Portfolio

Delivered scalable solutions across fintech & SaaS

Let's Build Something Extraordinary

Looking for a skilled developer to join your team or help with a project? I'm always open to discussing new opportunities and exciting challenges.Available for immediate start on full-time, contract, or consulting engagements.