

Billie P Heidelberg
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

Smart Trader
AI-powered trading journal with analytics and performance insights. Built with Next.js, TypeScript, and OpenAI for professional traders.
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Baby Tracker
An open source, privacy-first baby tracking solution that helps parents monitor feedings, diapers, sleep, and more while maintaining complete data ownership.
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Simmr
The premier discovery and connection platform for the ethically non-monogamous community. Features include verification, discovery, events, and secure messaging.
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Skills & Expertise
Technologies and tools I work with to build exceptional digital experiences
Frontend
Backend
Databases
DevOps & Tools
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.