Custom software for
mobile, web & API platforms
built for modern business

Fractal Opus helps companies design, build and support digital products across mobile applications, browser-based platforms, backend services and third-party integrations. From MVPs to business-critical systems, we create practical software that is stable, scalable and easy to evolve.

MOBILEiOS + AndroidCustom Apps
WEBVue + ReactModern Frontends
APIREST + JSONConnected Systems
BACKENDNode + CloudScalable Logic
UI/UXDesign SystemsClear Interfaces
SUPPORTLong-Term CareMaintenance Ready
EUEstonia OÜRemote Delivery
CLOUDDeploymentsProduction Stable
MOBILEiOS + AndroidCustom Apps
WEBVue + ReactModern Frontends
APIREST + JSONConnected Systems
BACKENDNode + CloudScalable Logic
UI/UXDesign SystemsClear Interfaces
SUPPORTLong-Term CareMaintenance Ready
EUEstonia OÜRemote Delivery
CLOUDDeploymentsProduction Stable
Projects Delivered
12+
Across web, mobile and backend
API Integrations
20+
Payments, CRM, ERP and booking
Delivery Base
Estonia
EU-friendly business operations
Support Model
Ongoing
Maintenance, updates and growth

Core Services

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API Development

Secure Backend and API Engineering for Connected Business Systems

We build dependable APIs that connect websites, mobile apps, dashboards and third-party services. Our backend work includes authentication, validation, database logic, webhooks, admin tooling, documentation and integration layers designed for long-term maintainability.

What We Build

All capabilities →
Web Applications

Custom Web Platforms for Operations, Sales and Customer Experience

We create browser-based applications tailored to business workflows, including dashboards, customer portals, booking systems, reporting tools, commerce interfaces and admin environments that simplify operations and improve visibility across teams.

Mobile Apps

Cross-Platform App Development for Business and Consumer Products

Our team develops mobile apps that are intuitive for users and practical for teams to maintain. We support account management, notifications, service booking, content delivery, customer flows, payments and feature growth over time.

API & Backend

Reliable Server-Side Systems That Power Applications and Integrations

Strong digital products need strong backend architecture. We build APIs and server-side systems that manage users, permissions, transactions, data workflows, reporting and automation with a focus on stability, security and performance.

UI / UX

Interface Design Focused on Clarity, Speed and Practical Usability

Good design helps users complete tasks without friction. We build modern interfaces with clear navigation, consistent components, logical layouts and scalable design patterns that support both desktop and mobile experiences.

Integrations

Third-Party Connectivity for Payments, CRMs, Booking Systems and More

Many companies rely on multiple platforms that need to communicate. We connect external services through APIs, webhooks, scheduled jobs and data mapping so information moves accurately between systems and teams spend less time on manual work.

Support & Growth

Long-Term Technical Support, Maintenance and Feature Expansion

After launch, software still needs attention. We provide bug fixing, performance tuning, deployment updates, reliability reviews, monitoring and feature enhancement so products remain stable and aligned with changing business needs.

More Ways We Help

Consulting

Technical Discovery, Planning and Architecture Guidance

We help clients define scope, clarify requirements and choose a practical delivery path before major development begins. This can include architecture planning, API strategy, MVP definition, technology selection and roadmap support.

Cloud & Maintenance

Deployments, Production Stability and Ongoing Platform Support

Software maintenance is more than fixing issues. We help with cloud deployments, release workflows, environment management, performance reviews, monitoring and operational support so your platform remains dependable as usage grows.