App Development Services

Flat 18 designs and develops apps for startups and scale-ups. We deliver robust, scalable solutions using modern tech stacks, tailored to your business goals and user needs.

What Sets Our App Development Apart?

• Bespoke apps for ambitious companies
• Senior engineers and designers on every project
• Agile, transparent process with rapid delivery
• Focus on usability, security, and future growth

Our App Development Expertise

We specialise in crafting digital products that combine powerful back-end logic with delightful user experiences.

Full-Stack App Development

From idea to launch, we handle everything: business logic, data processing, and seamless user journeys. Our integrated approach ensures your app is cohesive and maintainable.

Node.js & Modern Frameworks

We use Node.js for high-performance, scalable back-ends, and frameworks like React and Vue.js for sleek, interactive front-ends.

Serverless & Cloud-Native Solutions

Our serverless architectures (AWS Lambda, Vercel, Cloudflare Workers) enable automatic scaling and cost efficiency—ideal for startups expecting rapid growth.

Database Design & Integration

We design and implement efficient data storage using PostgreSQL, MySQL, MongoDB, or Firebase, ensuring your app is reliable and secure.

API-First Development

Our team builds robust APIs for seamless integration with third-party services and your wider digital ecosystem.

Our Proven Process

1. Discovery: We clarify your objectives and technical needs.
2. Architecture: Scalable, maintainable blueprints for your app.
3. UI/UX: Intuitive and engaging user interfaces.
4. Development: Clean, testable code from experienced developers.
5. Testing: Comprehensive QA for performance and security.
6. Launch & Support: Smooth deployment and ongoing improvements.

Technologies We Use

• Node.js, Express.js, NestJS
• React, Vue.js, Next.js
• PostgreSQL, MySQL, MongoDB, Firebase
• AWS, Vercel, Cloudflare
• Docker for containerisation
• GraphQL and REST APIs

Let’s Build Your Next App

Contact Flat 18 to discuss your app vision. Our expert team will help you launch a digital product that drives real business impact.