Engineering software across web, mobile & AI
ClosedBrackets builds production-ready SaaS platforms, mobile apps, and AI-powered systems designed to ship reliably and scale cleanly.
Focused on long-term maintainability, performance, and real-world usage. When launch turns into maintenance, our support portal keeps the product moving.
A small studio with high standards.
Built for speed and production.
We help you launch quickly, avoid technical debt, and keep things stable after release.
What we build and maintain.
From brand-new products to AI-generated MVPs that need real engineering, we help teams launch, repair, and improve software that has to work in the real world.
Web & SaaS Development
Production-ready SaaS platforms with authentication, billing, dashboards, and systems designed to scale as your business grows.
Mobile & Cross-Platform Apps
Cross-platform mobile apps (Flutter) for iOS and Android, built with analytics, notifications, and store-ready releases.
AI Tools & Automation
LLM integrations, internal copilots, workflow automation, semantic search, and pipelines.
Backend APIs & Integrations
Secure APIs and integrations for payments, messaging, maps, webhooks, and internal systems.
Fintech & Payments
Checkout, subscriptions, webhooks, and reliability patterns around money movement.
Maintenance & Support
For websites, SaaS products, and AI-built apps that need audits, bug fixes, minor website changes, and ongoing developer support.
Selected work.
A few examples of products we've helped design, build, and ship.
Doobi
Customer app + operations dashboard with scheduling, payments, and reliable order workflows.
PodcastDB
Large-scale discovery experience with fast search, filters, and data-driven insights.
Moro
Daily streaks, lightweight tasks, and progress tracking with reminders and retention-focused UX.
Sakun
Calming bedtime stories, fantasy soundscapes, and guided audio experiences designed to reduce stress and improve sleep for kids and adults.
(04) Get started
Need someone to close the brackets?
If you already have a product and need ongoing maintenance, bug fixes, or minor changes, explore support plans. If you need a larger build, cleanup, or custom scope, book a free consultation.