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ClosedBrackets
Founder-led engineering studio

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.

(01)Built to ship

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.

Ship fast. Stay clean.
Move quickly without creating a mess. We keep code maintainable so you can scale confidently.
Engineering first.
Architecture, reliability, and performance matter. We build products that survive real usage.
Clear communication.
Short feedback loops, honest estimates, and direct updates — no surprises.
Launch + support.
Deployment, monitoring, fixes, and improvements — we don’t disappear after release.
(02)Services

What we build.

From SaaS platforms to mobile apps and AI systems — we design and build the technical foundation to launch, scale, and operate your product.

Web & SaaS Development

Production-ready SaaS platforms with authentication, billing, dashboards, and systems designed to scale as your business grows.

Multi-tenant SaaSAuthenticationBilling & Subscriptions

Mobile & Cross-Platform Apps

Cross-platform mobile apps (Flutter) for iOS and Android, built with analytics, notifications, and store-ready releases.

iOS & AndroidApp Store ReadyAnalytics & Notifications

AI Tools & Automation

LLM integrations, internal copilots, workflow automation, semantic search, and pipelines.

AI AssistantsWorkflow AutomationInternal Tools

Backend APIs & Integrations

Secure APIs and integrations for payments, messaging, maps, webhooks, and internal systems.

Secure APIsThird-party IntegrationsScalable Systems

Fintech & Payments

Checkout, subscriptions, webhooks, and reliability patterns around money movement.

PaymentsSubscriptionsCompliance-aware Flows

Cloud, DevOps & Support

Deployments, monitoring, logs, performance tuning, and ongoing maintenance.

MonitoringReliabilityOngoing Support
Have an idea but not sure where to start? We’ll help you scope it fast.
Request a quote
(03)Projects

Selected work.

A few examples of products we’ve helped design, build, and ship.

Doobi
Mobile + AdminOperationsPayments

Doobi

On-demand services platform

Customer app + operations dashboard with scheduling, payments, and reliable order workflows.

PodcastDB
SearchAnalyticsSubscriptions

PodcastDB

Search & analytics platform

Large-scale discovery experience with fast search, filters, and data-driven insights.

Moro
Consumer AppEngagementNotifications

Moro

Habit & routine tracking

Daily streaks, lightweight tasks, and progress tracking with reminders and retention-focused UX.

Sakun
Audio + VideoAlarmUnity 3D

Sakun

Sleep & relaxation app

Calming bedtime stories, fantasy soundscapes, and guided audio experiences designed to reduce stress and improve sleep for kids and adults.

(04) Get started

Have an idea worth building?

Tell us what you’re working on. We’ll help you scope it clearly and ship it cleanly.

Request a quote