All ServicesWeb & Mobile Apps
Engineering Discipline 02

Web & Mobile Apps

We engineer web and mobile applications that combine consumer-grade polish with enterprise reliability. Utilizing Next.js 16 App Router, React 19, React Native, and Swift/Kotlin — guaranteeing sub-second load times and fluid 60fps responsiveness.

< 1sGlobal LCP Load Time
60 FPSFluid Animation Frame Rate
95+Lighthouse Performance Score
100%Offline-First Resilience
Web & Mobile Apps
Next.js 16 Edge Architecture & Native Mobile SyncLynByte Architecture Labs
Interactive Topology Visualizer

Web & Mobile Apps System Architecture

01 / INGRESSTLS 1.3
Global Edge CDN

Anycast routing, automated DDoS protection & SSL termination.

Latency: < 15ms global
02 / GATEWAYJWT / OIDC
Unified API Router

Rate limiting, token governance, schema validation & fallbacks.

Throughput: 50k req/s
03 / COMPUTEgRPC Mesh
Microservices Engine

Stateless Go & Rust containers with auto-healing pod replicas.

Autoscaling: 2 – 50 pods
04 / STORAGEMulti-AZ
Data & Vector Store

PostgreSQL primary + read replicas, Qdrant vectors & Redis cache.

Replication: Synchronous
ACTIVE TELEMETRY: Sub-50ms P99 latency target with zero layout shift.
ARCHITECTURE VERIFIED ✓
Overview & Architecture

Modern Frontends Engineered for Speed, Polish & Adoption

Users demand web and mobile interfaces that react instantly without jarring layout shifts or sluggish loading spinners. We craft applications with optimized bundle sizes, edge server-side rendering, and local-first SQLite persistence that feel as snappy as native desktop tools.

We combine Next.js React Server Components for near-zero client JavaScript with local-first optimistic UI updates across mobile platforms.

Core Capabilities & Modules
Module 01

Next.js 16 Enterprise Web Applications

Server Components, streaming SSR, edge caching, and atomic CSS with zero cumulative layout shift (CLS).

Deliverable:

Production web application bundle with 95+ scores across Performance, Accessibility, and SEO.

Module 02

Cross-Platform & Native Mobile (iOS & Android)

React Native with New Architecture (Fabric/TurboModules) alongside native Swift and Kotlin modules for hardware access.

Deliverable:

App Store & Google Play production binaries with automated Fastlane release workflows.

Module 03

Offline-First Synchronization

Local SQLite database caching with optimistic UI state mutations and automated background synchronization upon reconnect.

Deliverable:

Resilient offline data layer ensuring zero data loss during network disruptions.

Module 04

Client Portals & SaaS Dashboards

Complex enterprise workspaces featuring multi-tenant role-based access control (RBAC), data tables, and live telemetry.

Deliverable:

Modular dashboard layouts with real-time WebSocket state syncing and audit logging.

Tailored Engineering Process

Web & Mobile App Delivery Workflow

A design-to-code pipeline that transitions seamlessly from interactive prototypes to production web and mobile releases.

Active Phase Overview

Design Tokens & Interactive Wireframing

We establish design token variables in Figma (typography, color palettes, spacing units) and test interactive click-through user flows.

Verified Phase Deliverables:
Figma Design System
Interactive User Flow Prototype
Component Inventory Spec
phase_01_blueprint.visual
Phase Verified
Architecture RFC & Threat Model
v1.0 Spec
Domain Boundary
Decoupled Microservices
Data Model
ACID Compliant + CDC
Protocol
gRPC / Protobuf / HTTP3
Threat Model
Zero-Trust IAM + TLS 1.3
// Technical RFC Acceptance Criteria
✓ Security audit: 0 high/critical vulnerabilities
✓ Target P99 latency threshold: < 50ms
STAGE: 01 OF 04LYNBYTE ENGINEERING VERIFIED
Tooling & Technologies

Enterprise technology stack.

Web Frameworks
Next.js 16React 19TypeScriptTailwind CSS v4
Mobile & Native
React NativeSwiftKotlinExpo EASFastlane
State & Storage
TanStack QueryZustandSQLiteWatermelonDB
Testing & Quality
PlaywrightJestStorybookSentry
Production Benchmark
< 1s global LCP with zero layout shift

Delivering desktop-class fluidity across 500K+ daily active users on web and mobile.

Contractual Deliverables

Standard deliverables included in every engagement.

100% Client Owned
Full Source Code

Production Monorepo & 100% IP

Fully documented, modular GitHub/GitLab repository with branch protection, automated CI/CD, and zero vendor lock-in.

Verified Contract Deliverable✓ Included
Complete Specs
Architecture RFC

System Blueprint & Schemas

Comprehensive domain modeling RFC, database entity relationship diagrams, and security threat model specifications.

Verified Contract Deliverable✓ Included
Interactive Docs
API Contracts

OpenAPI Spec & Developer Portal

Self-documenting interactive API portal with schema validation, mock endpoints, and TypeScript client SDKs.

Verified Contract Deliverable✓ Included
99.99% SLA
Observability

24/7 Grafana SRE Dashboards

Production telemetry monitoring latency, error rates, and saturation, coupled with automated PagerDuty alert policies.

Verified Contract Deliverable✓ Included
Work with LynByte

Ready to engineer your web & mobile apps?

Connect directly with our studio leadership and principal architects to review technical requirements and schedule an initial RFC discovery session.