Writing, product thinking, and system design.
A growing collection of product articles and technical writing by Sapphire Haeward, focused on full-stack software engineering, solo development, real-world product decisions, and system architecture.
What No One Tells You About Building Alone
A grounded look into the reality of solo development - covering isolation, pressure, and what it actually takes to build and sustain a product without a team.
What No One Tells You About Building Alone
A grounded look into the reality of solo development - covering isolation, pressure, and what it actually takes to build and sustain a product without a team.
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Spiderbrain: A Multi-Strategy Trading System
A high-level overview of Spiderbrain - a multi-strategy trading robot focused on directional execution, controlled compounding, and risk-aware decision making.
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Building Selfee - By Sapphire Haeward
A deep dive into how I built Selfee as a social marketplace - including architecture decisions, monetization strategy, and the transition from Appwrite to Supabase for scalability.
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Building Allure - By Sapphire Haeward
How I designed and engineered Allure as a safer, more intentional dating platform - covering real-time systems, Safe Mode, events, and user-first product decisions.
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What I Learned About Cryptography as a Math Major
A clear, real-world explanation of cryptography - from prime numbers to RSA - and how abstract math powers the security behind everyday digital systems.
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How Mathematics Shows Up in Software Engineering (More Than You Think)
An exploration of how mathematical thinking appears in real software - from geolocation systems to structured problem-solving and practical algorithms like Haversine.
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First Female Solo App Developer in The Bahamas
A documented milestone detailing how I independently built and launched Allure in May 2025, positioning myself among the first - and potentially the first - female solo mobile app developers in The Bahamas.
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