Websites & platforms
Marketing sites, customer portals and full-stack web applications.
Explore ↗I'm Esky, an independent product engineer. I build event and music platforms, Bitcoin and Lightning payment systems, and native iOS apps — taking complex products from architecture to live operation. You work directly with the engineer building your product.
I have a contract to offer ↗Direct, hands-on product engineering for teams that need more than a brochure website: clear architecture, robust integrations and software built around real operational needs.
Marketing sites, customer portals and full-stack web applications.
Explore ↗SwiftUI applications, product prototypes and App Store delivery.
Explore ↗Product direction, user journeys, interface systems and usability improvements.
Explore ↗Practical AI integrations, private workflows and bespoke assistants.
Explore ↗Connected systems, APIs and less repetitive operational work.
Explore ↗Codebase audits, architecture reviews, performance and rescue work.
Explore ↗ONE APP FOR THE WHOLE SCENE.
Discobobulated is my founder-built event technology platform. It brings together product strategy, full-stack web, native iOS, data architecture and real operational workflows.
It demonstrates how I approach complex ideas: understand the system, design the experience, engineer the product and keep improving it.
From Bitcoin payment infrastructure to live media, onchain products and AI worker systems — experience building beyond the brochure site.
Live radio, DJ streaming, crypto tipping, wallet access and event ticketing.
Explore baseFM ↗Agent identity, AI worker infrastructure, execution services and creator tools.
Explore the repository ↗Native Apple-platform software, private grow records, analytics and an AI coach grounded in user data.
Explore GrowJournal ↗Contracted freelance development experience with the BTCPay Server team — approximately three years during 2017–2023.
Explore BTCPay Server ↗Actual application captures from two active product builds. The technical case studies explain the architecture, implementation decisions and delivery boundaries behind them.


Connected booking, event operations and financial workflows, built around a tenant-aware data layer and shared API. A seeded performance test reduced the event-list query count from roughly 2,000 to six.
Explore the technical case study ↗

A native Apple-platform product built around structured plant records, timelines, analytics and an AI coach grounded in user-owned data.
Explore the technical case study ↗These are genuine project captures. Screens use illustrative or sample data where noted in the individual case studies. Other projects are documented with architecture, source references and implementation evidence; no synthetic product screenshots are presented as shipped interfaces.
Tell me what you're trying to achieve. I'll help you work out the right next step.