Happy Cactus Solutions LLC
An end-to-end software studio — we design, build, and ship modern web, mobile, and AI products, with accessibility and internationalization built in from day one.
From first commit to production launch — modern stacks, accessible by default, and built to scale.
Full-Stack Web Development
Modern, performant web applications — from marketing sites to complex dashboards — architected end to end and built to scale.
Mobile Development
Native-quality iOS and Android apps built for real-world use, from first release through App Store and Play Store launch.
AI Integration & Agents
LLM-powered features, custom agents, and MCP servers that connect your software to the tools your team already relies on.
Enterprise Solutioning & Consulting
Architecture reviews, technical strategy, and hands-on delivery for teams that need enterprise-grade rigor without the enterprise drag.
Our Mission & Our Vision
Our Mission
We deliver high-quality software end to end — modern stacks, AI integration, and rapid delivery, with accessibility and internationalization built in. Enterprise-grade solutions without the enterprise drag.
Our Vision
A world where every organization — from families to enterprises — runs on software that's simple, accessible, and built to scale.
Alpacca is the family and business management app we built to prove out our own playbook — scheduling, team coordination, and asset tracking in one bilingual, accessible platform for iOS and Android.
On the roadmap: Steward, an MCP-powered AI companion that will manage your schedule through natural conversation — coming to Alpacca after launch.
Now in early access — see it live at alpacca.app.
See it in action
A clean, intuitive interface designed for speed — whether you're managing a family calendar or running a business.
Home Dashboard
Calendar
Task Management
Organization
Three founders with deep engineering experience — building software for ourselves and for the clients who trust us with theirs.
Adam Bjerstedt
Co-Founder & CEO
Staff software engineer at Life Time Inc. with deep expertise in mobile and cross-platform development. Technical Committee Member at WebdriverIO. Passionate advocate for emerging technologies and quality-driven engineering.
Elijah Miernicki
Co-Founder & CTO
Full-stack engineer building Alpacca from the ground up — backend APIs, mobile clients, and everything in between. Obsessed with creating performant, scalable software that people actually love to use.
Siarhei Karabko
Co-Founder & Engineer
Full-stack engineer with a passion for clean architecture and pragmatic tooling. Siarhei brings hands-on experience across backend systems, cloud infrastructure, and modern frontend development to every Happy Cactus engagement.
Tell us what you're building. We reply to every inquiry personally.