Mobile App Design & Development

About this Service

Service Overview

This service delivers end-to-end mobile product engineering β€” covering strategy, UX/UI design, backend architecture, mobile development, QA, DevOps, AI integrations, and store launch.

We don’t just build mobile apps.We architect scalable mobile platforms with robust backends, clean APIs, secure authentication, real-time data, analytics, and AI-powered features β€” ready for production and long-term growth.

Who This Service Is For

  • Startups building their first mobile product

  • SaaS platforms extending from web to mobile

  • Marketplaces, fintech, health, logistics, and subscription apps

  • Businesses rebuilding unstable or legacy mobile apps

  • Founders who want design + backend + mobile engineering under one accountable team

Team Involvement & Roles

  • Product ManagerProduct vision, roadmap, prioritization, milestones, stakeholder alignment

  • Mobile UX/UI DesignerMobile-first UX flows, platform-aware UI, accessibility & usability

  • Design System SpecialistShared UI systems across mobile, web, and brand

  • Mobile Tech Lead / ArchitectApp architecture, state management, performance, security

  • Mobile Developers

    • Flutter / React Native (cross-platform)

    • Swift (iOS) / Kotlin (Android) for native builds

  • Backend Engineer(s)APIs, databases, authentication, integrations, scalability

  • AI Engineer (if required)AI features, LLM integrations, recommendations, automation

  • QA EngineerFunctional testing, regression, device & OS coverage

  • DevOps / Cloud EngineerCI/CD, cloud infrastructure, deployments, monitoring

Process & Delivery Lifecycle

Phase 1 β€” Product & Technical Discovery

  • Business goals & success metrics

  • Mobile-specific user behavior analysis

  • Feature prioritization (MVP vs scale)

  • Backend architecture selection

  • AI & automation opportunities (if applicable)

Milestone: Product scope & system architecture approved

Phase 2 β€” Mobile UX Architecture

  • Navigation models (tabs, stacks, gestures)

  • Onboarding, auth, permissions

  • Offline handling & sync logic

  • Error, empty, loading states

  • Accessibility & usability standards

Milestone: UX flows approved

Phase 3 β€” High-Fidelity Mobile UI Design

  • iOS & Android UI (native or unified)

  • Interaction states & micro-animations

  • Dark mode & theming

  • Component alignment with product & brand systems

Milestone: UI locked for development

Phase 4 β€” Backend Architecture & Development

We design production-grade backends that scale with usage.

Common Backend Stacks We Use

API & Application Layers

  • Node.js (Express, NestJS)

  • Python (FastAPI, Django)

  • Java (Spring Boot)

  • PHP (Laravel)

  • .NET (ASP.NET Core)

Authentication & Security

  • JWT / OAuth 2.0

  • Firebase Auth

  • Auth0 / AWS Cognito

  • Role-based access control (RBAC)

Databases

  • PostgreSQL

  • MySQL

  • MongoDB

  • Firebase Firestore

  • DynamoDB

  • Redis (caching, queues)

Real-Time & Sync

  • WebSockets

  • Firebase Realtime Database

  • Supabase Realtime

  • Socket.IO

File & Media Storage

  • AWS S3

  • Google Cloud Storage

  • Firebase Storage

  • Cloudinary

Payments & Subscriptions

  • Stripe

  • PayPal

  • Apple In-App Purchases

  • Google Play Billing

Notifications

  • Firebase Cloud Messaging (FCM)

  • Apple Push Notification Service (APNs)

  • Email & SMS integrations

Phase 5 β€” Mobile App Development

  • Clean architecture & modular codebase

  • State management (Bloc, Redux, Riverpod, etc.)

  • Secure API integration

  • Performance & memory optimization

  • Platform capabilities (camera, GPS, payments, biometrics)

Milestone: Feature-complete app on staging

Phase 6 β€” AI-Powered Features (Optional but Increasingly Common)

We integrate AI where it creates real product value, not hype.

AI Use Cases

  • Personalized recommendations

  • Smart search & filtering

  • Chatbots & AI assistants

  • Content generation & summarization

  • Image or text analysis

  • Fraud or anomaly detection

AI & ML Tooling

  • OpenAI / GPT-based models

  • Google AI APIs

  • Custom ML models

  • Vector databases (Pinecone, FAISS, etc.)

Phase 7 β€” QA, DevOps & Store Readiness

Testing

  • Manual & automated testing

  • Device & OS matrix testing

  • Regression & performance testing

DevOps & Cloud

  • AWS / Google Cloud / Azure

  • Docker containers

  • CI/CD pipelines (GitHub Actions, GitLab CI)

  • Monitoring & logging

Store Readiness

  • App Store & Play Store compliance

  • Metadata, screenshots & versioning

  • Submission & review support

Milestone: Store-ready builds approved

Phase 8 β€” Launch & Handover

  • Production deployment

  • Store submission support

  • Post-launch monitoring window

  • Documentation & access handover

Milestone: App live in stores

Tools & Technologies (Full Stack)

Design & Collaboration

  • Figma, FigJam

Mobile

  • Flutter, React Native

  • Swift (iOS), Kotlin (Android)

Backend & Cloud

  • Node.js, Python, Java, PHP, .NET

  • AWS, GCP, Azure

  • Firebase, Supabase

Databases

  • PostgreSQL, MongoDB, MySQL, Firestore, Redis

AI & Automation

  • OpenAI APIs

  • Vector databases

  • AI agents & recommendation systems

Project & QA

  • Jira, Notion, Trello

  • GitHub / GitLab

  • CI/CD pipelines

Deliverables

  • iOS & Android production apps

  • Scalable backend & APIs

  • Secure authentication & data layer

  • AI-powered features (if applicable)

  • Source code & documentation

  • Store submissions & launch support

  • Optional post-launch maintenance

What β€œDone” Looks Like

A fully engineered mobile platform β€” not just an app β€” that:

  • Scales with users

  • Is secure & maintainable

  • Supports AI features

  • Passes store reviews confidently

  • Is ready for growth, funding, and iteration

$15,000
Quick Hire
This service contains 2 payment milestones
1
Kickoff Payment
Due at checkout
$3,750
2
Final Delivery
$11,250
Concepts and revisions: 1 concept
Project Duration: 12 weeks
TERABIT IT
London, United Kingdom 5 Services available