ZAGG International
500+ Million dollar turnover
Yearly 500+ million dollar turnover company via software developed by Dev Centre House.
01 / TECHNOLOGIES / FRONTEND
FRONTEND DEVELOPMENT COMPANY
Frontend Development Services for Fast, Scalable Digital Experiences
Build modern, responsive, and high-performing frontend experiences with a development team that understands both technology and business goals. From custom web applications and SaaS products to e-commerce storefronts and enterprise platforms, we create frontend solutions designed around your users, requirements, and long-term growth.
01 Custom Frontend Solutions
Frontend experiences built around your product, users, and business requirements.
02 Modern Technology
React, Next.js, Angular, Vue.js, JavaScript, TypeScript, and modern ecosystem tooling.
03 Performance-Focused
Responsive, accessible, and optimised experiences built for real-world usage and high Core Web Vitals.
04 Built to Scale
Maintainable frontend architecture designed to support future features, high traffic, and team growth.
OUR FRONTEND TECHNOLOGY STACK And more technologies
ReactNext.jsAngularVue.jsJavaScriptTypeScriptHTML5CSS3
FRONTEND CHALLENGES WE SOLVE
Overcoming the Frontend Roadblocks That Slow Down Growth
A poorly built frontend doesn't just look bad — it hurts user engagement, slows feature delivery, and costs your business revenue. Here are the common frontend challenges we help clients solve.
Every frontend roadblock resolved through disciplined component design, performance engineering, and type-safe architecture.
Slow Page Load Times & Poor Performance
Heavy scripts, unoptimized assets, and poor rendering blocking user journeys. Users abandon slow websites within 3 seconds, leading to lost conversions and poor search rankings. We refactor rendering cycles, implement intelligent code-splitting, tree-shaking, SSR/SSG, and image pipelines to achieve sub-second LCP and consistent 90+ Core Web Vitals.
Legacy Codebases & Technical Debt
Outdated frameworks, deprecated libraries, and spaghetti code blocking product velocity. Legacy frontend architectures make introducing new features slow, risky, and expensive. We execute structured, low-risk migration paths—decoupling monolithic frontends, implementing micro-frontends or strangler patterns to modernize from AngularJS, jQuery, or legacy React without downtime.
Inconsistent User Experience Across Devices
Broken layouts, jittery touch targets, and unpredictable behavior on different browsers. Modern users expect a seamless experience whether browsing on a mobile Safari viewport, a high-DPI desktop monitor, or a mid-range Android tablet. We enforce fluid responsive design systems, cross-browser automation, and touch-optimized UI paradigms that feel native on every screen.
Difficulty Scaling Features & Engineering Teams
Unstructured state management, CSS collisions, and lack of shared component standards. As teams grow, duplicate UI components and fragmented state management create coordination friction. We design production-grade design systems with Storybook, atomic tokens, and predictable state architectures (Zustand, Redux Toolkit, React Query) that allow multiple pods to ship independently.
Accessibility (a11y) & Compliance Gaps
Exclusion of users with disabilities and exposure to severe legal non-compliance risks. Accessibility is often treated as an afterthought, creating legal liability under ADA, Section 508, and the European Accessibility Act (EAA). We engineer semantic HTML, correct ARIA roles, keyboard navigability, and screen reader compatibility natively into every component.
Complex API & Third-Party Integrations
Fragile data-fetching, slow synchronous waterfalls, and unhandled network errors. Modern frontends must orchestrate microservices, payment gateways, analytics, and CRM feeds without slowing down the client. We implement resilient asynchronous data fetching, GraphQL caching, optimistic UI updates, and WebSockets for bulletproof real-time data sync.
03 / CUSTOM FRONTEND SOLUTIONS
Frontend Solutions Built Around Your Product and Users
Whether you're building a new product from scratch, modernising a legacy interface, or scaling an enterprise platform, we deliver frontend solutions tailored to your technical requirements and business objectives.
01
Custom Web Applications
High-interactivity SPAs, MPAs, and data-dense dashboards.
We build tailored web applications engineered for heavy workflows, complex client-side calculations, and responsive data visualization. Powered by React, Next.js, Angular, or Vue.js.
Core Deliverables
- Component-driven single page application (SPA/MPA)
- Interactive charts, tables, and live data telemetry
- State persistence and local caching strategies
- Role-based permissions and secure token authentication
Best For
B2B platforms, financial portals, logistics dashboards, and operational command centers.
02
High-Converting Custom Websites
Lightning-fast marketing, brand, and corporate web experiences.
We transform brand identities into pixel-perfect, sub-second web experiences optimized for organic search discovery, conversion funnels, and effortless editorial management via modern headless CMSs.
Core Deliverables
- Sub-second static site generation (SSG) architecture
- Flawless mobile responsiveness with fluid layouts
- Headless CMS integration (Sanity, Strapi, Contentful)
- Automated OpenGraph, Schema.org, and SEO tags
Best For
High-growth technology companies, scale-ups, and international enterprises needing high organic reach.
03
SaaS Product Frontends
Intuitive multi-tenant frontends built to drive product-led growth.
We design and engineer SaaS frontends focused on user activation, seamless self-serve onboarding, complex billing workflows, and delightful daily usability that minimizes churn.
Core Deliverables
- Frictionless onboarding and user activation flows
- Stripe/Paddle billing integration with tier management
- Interactive product tours and contextual micro-interactions
- Built-in product analytics (PostHog, Segment, Mixpanel)
Best For
Early-stage SaaS founders launching MVPs and scale-ups redesigning their web application frontend.
04
Enterprise Frontend Platforms
Micro-frontends, design systems, and mission-critical enterprise portals.
For large organizations managing hundreds of developers across distributed teams, we implement federated micro-frontends and centralized design system libraries with automated governance.
Core Deliverables
- Webpack Module Federation / Vite federation architecture
- Centralized multi-brand design system with token pipelines
- Strict enterprise compliance (WCAG 2.1 AA, SOC2-ready)
- Automated CI/CD validation and visual regression gates
Best For
Global enterprises, financial institutions, healthcare providers, and high-concurrency portals.
05
E-commerce Storefronts
Headless and custom commerce experiences built for conversion velocity.
Slow storefronts kill conversion. We develop ultra-fast, headless commerce frontends on Shopify Plus, BigCommerce, and custom commerce backends that drive higher average order value.
Core Deliverables
- Headless storefronts with sub-second product page transitions
- Custom cart drawer, bundle builders, and tiered discount UI
- Omnichannel analytics, event tracking, and attribution
- ERP, CRM, and inventory management API synchronization
Best For
D2C retail brands, high-volume B2B e-commerce merchants, and multi-currency international shops.
06
Frontend Modernisation & Migration
Zero-downtime refactoring from legacy systems to modern stacks.
We help engineering leaders dismantle legacy technical debt without halting ongoing feature delivery. We migrate outdated jQuery, AngularJS, or monolith frontends to React/Next.js safely.
Core Deliverables
- Technical debt inventory and architecture audit report
- Route-by-route strangler pattern migration execution
- Modern TypeScript typing and state restructuring
- Automated regression verification preserving production uptime
Best For
Established businesses constrained by outdated legacy tech stacks looking to regain engineering agility.
Not Sure Which Architecture Fits Your Product?
Our senior frontend architects can assess your current tech stack, business objectives, and team structure to recommend the optimal framework and rendering model.
Featured Case Studies
Real Challenges. Real Software. Real Outcomes.
The best way to understand our capabilities is to see them in action. Explore how we’ve helped businesses turn complex requirements into practical digital products, modernise their technology, and create software built for real-world use.
EI Electronics
10M+ Products manufactured
A global leader in residential fire and carbon monoxide detection, manufacturing over 10 million products, with software built by Dev Centre House.
FindQo
An Irish property platform for buying, selling, and renting residential and commercial property.
05 / END-TO-END CAPABILITIES
Comprehensive Frontend Development Services & Modern Technology Stack
From initial UI engineering to enterprise-scale frontend architecture, our capabilities cover every layer of modern web presentation and client-side logic.
05.1 / CAPABILITIES
10 Core Frontend Engineering Services
Modular, production-ready frontend capabilities delivered by senior engineers.
01
Single Page Application (SPA) Development
Fast, fluid, desktop-like web applications with seamless client-side routing.
- › Zero full-page reloads
- › Optimized client-side state caching
- › Hardware-accelerated view transitions
02
Progressive Web App (PWA) Engineering
App-like offline access, background push notifications, and home screen installability.
- › Service worker cache strategies
- › Full offline data synchronization
- › Native device API integration
03
Server-Side Rendering (SSR) & Static Generation (SSG)
Sub-second first contentful paint and bulletproof SEO through edge-rendered HTML.
- › Hybrid static & server rendering
- › Edge network delivery via Cloudflare/Vercel
- › Zero hydration layout shift
04
UI/UX Implementation & Design System Engineering
Transforming Figma systems into living, type-safe, accessible component libraries.
- › Design token automation via Style Dictionary
- › Interactive documentation in Storybook
- › WCAG 2.1 AA accessible primitives
05
Frontend Code Audit & Performance Optimization
Systematic elimination of bundle bloat, render bottlenecks, and poor Core Web Vitals.
- › Comprehensive bundle & AST analysis
- › LCP, INP, and CLS remediation
- › Memory leak and re-render profiling
06
Micro-Frontend Architecture
Decoupling large enterprise frontends into independently deployable domain applications.
- › Runtime Module Federation integration
- › Isolated team deployment pipelines
- › Shared state and cross-app communication bus
07
API Integration & Real-Time WebSockets
Connecting frontend clients to complex microservices with type safety and resilience.
- › Type-safe API contract generation
- › Optimistic UI state updates
- › Real-time WebSocket event streaming
08
Cross-Browser & Mobile-Responsive Development
Guaranteed visual and functional fidelity across every major browser, OS, and screen.
- › Fluid responsive layout clamping
- › Automated multi-browser test runners
- › Touch gesture and pointer optimization
09
Web Accessibility (WCAG 2.1 AA / Section 508)
Making digital experiences universally inclusive and compliant with international law.
- › Screen reader support (NVDA, VoiceOver, JAWS)
- › Full keyboard navigation & focus loops
- › Accessible color contrast and motion settings
10
Frontend Maintenance, Support & Upgrades
Proactive dependency updates, security patching, and continuous performance telemetry.
- › Automated Dependabot security reviews
- › Zero-downtime framework major version upgrades
- › 24/7 client error telemetry and SLA monitoring
05.2 / TOOLING
Our Core Technology Stack
Modern, proven tools selected for performance, type safety, and maintainability.
Frameworks & Libraries
Component-driven frontends engineered for reactive speed and long-term ecosystem support.
React Core
Industry-standard declarative UI library with vast ecosystem support.
Next.js Primary
Enterprise React framework with hybrid SSR, SSG, and edge routing.
Angular Enterprise
Robust, opinionated TypeScript framework ideal for enterprise platforms.
Vue.js Core
Progressive, performant framework for versatile modern web applications.
Nuxt Modern
Intuitive Vue framework with server-side rendering and edge deployment.
Astro Performance
Content-driven island architecture delivering zero client-side JS by default.
Languages & Core Standards
Strict type safety and modern web standards ensuring clean, maintainable codebases.
TypeScript Standard
Strict compile-time type safety preventing runtime bugs across teams.
JavaScript (ES6+) Core
Modern ECMAScript standards with async/await and native modules.
HTML5 Foundation
Semantic markup ensuring search visibility and assistive accessibility.
CSS3 / Modern CSS Foundation
CSS variables, container queries, grid, and fluid clamping.
State & Data Management
Predictable client-side state models and robust server data synchronization.
TanStack Query Standard
Powerful asynchronous data synchronization, caching, and background refetching.
Zustand Modern
Lightweight, un-opinionated state management with zero boilerplate.
Redux Toolkit Enterprise
Predictable centralized state container for complex enterprise applications.
GraphQL / Apollo API
Precise client-driven queries eliminating over-fetching and under-fetching.
Pinia / RxJS Reactive
Reactive state management for Vue and event streams in Angular.
Styling & Design Systems
Tokenized styling architectures supporting multi-brand cohesion and high performance.
Tailwind CSS Primary
Utility-first CSS framework enabling rapid, highly optimized layouts.
CSS Modules Modular
Scoped component styling eliminating global namespace collisions.
Storybook Design System
Isolated component workshop for development, testing, and documentation.
Radix UI / Headless Accessibility
Unstyled, fully accessible UI primitives with built-in ARIA compliance.
Build, Tooling & Quality
Automated CI/CD validation, blazing-fast bundlers, and regression testing.
Vite Build
Next-generation frontend tooling with instant HMR and Rollup builds.
Playwright / Cypress E2E Testing
End-to-end browser automation catching visual and functional bugs.
Jest / Vitest Unit Testing
Fast unit and integration test runners with full coverage reporting.
Turborepo / Nx Monorepo
High-performance monorepo build systems for multi-package scale.
05.3 / PLATFORMS
Platform & CMS Expertise
Seamless integration with industry-leading e-commerce and content management platforms.
E-commerce Platform
Shopify Plus & Liquid
Custom Shopify themes, headless Hydrogen implementations, and customized checkout experiences.
- Liquid theme development
- Hydrogen & Oxygen headless
- Custom app integrations
- Checkout extensibility
Content Management
WordPress & Custom Themes
Bespoke Gutenberg block development, high-performance themes, and decoupled headless architectures.
- Custom Gutenberg blocks
- Sub-second page speeds
- Advanced Custom Fields (ACF)
- Headless WP GraphQL
WordPress E-commerce
WooCommerce
Tailored WooCommerce storefronts with frictionless multi-step checkouts and custom payment gateways.
- Frictionless checkout flows
- Custom product configurators
- ERP & inventory sync
- Performance optimization
Enterprise Commerce
BigCommerce
High-volume B2B and D2C storefronts utilizing BigCommerce Stencil or headless Next.js commerce.
- Multi-storefront (MSF)
- B2B portal customization
- Headless Catalyst integration
- High-concurrency checkout
Complex B2B Commerce
Magento / Adobe Commerce
Custom Hyvä theme implementations and headless PWA storefronts for enterprise retailers.
- Hyvä theme development
- Complex pricing engines
- Custom checkout workflows
- ERP/PIM synchronization
Decoupled Content
Headless CMS (Sanity, Strapi, Contentful)
Modern content modeling, visual editing previews, and instant multi-channel content publishing.
- Structured content modeling
- Real-time live preview
- Granular role permissions
- Global CDN distribution
05.4 / ARCHITECTURE BLUEPRINT
What Are You Building?
Select your project archetype to explore our recommended architectural blueprint.
New SaaS / Web Application
Fast, scalable foundations designed to accelerate time-to-market while supporting future feature complexity.
RECOMMENDED ARCHITECTURE STACK
Next.js / ReactTypeScriptTailwind CSSTanStack QueryRadix UI primitives
KEY ARCHITECTURAL DELIVERABLES
- Component-driven architecture ready for multi-tenant features
- Full authentication, role-based access, and session management
- Automated CI/CD pipelines with linting and unit test coverage
- Sub-second route transitions and instant perceived speed
06 / HOW WE WORK
Flexible Engagement Models Tailored to Your Engineering Needs
Whether you need a dedicated senior frontend engineer, a squad to augment your in-house team, or an autonomous pod to own end-to-end delivery.
TALENT AUGMENTATION Most Flexible
Dedicated Frontend Developers
IDEAL FOR:
Teams that already have active technical leadership and need senior frontend velocity immediately.
Hire one or more vetted senior frontend engineers who embed 100% into your sprint rituals, Jira boards, and Slack channels. They write clean code according to your guidelines and report directly to your team lead.
CORE DELIVERABLES
- 100% dedicated allocation (40 hrs/week per engineer)
- Seamless integration with your daily standups and sprint planning
- Immediate adherence to your Git workflows, PR reviews, and coding style
- Direct Slack/Teams communication in your primary timezone
CAPABILITY SQUAD Popular for Scale-ups
Team Extension / Augmented Squad
IDEAL FOR:
Companies undertaking a major new feature initiative, design system rollout, or framework migration.
A focused squad of 2–4 frontend engineers led by a senior technical architect. We take ownership of a specific architectural domain or major product initiative while collaborating closely with your backend engineers.
CORE DELIVERABLES
- Dedicated technical architect overseeing code standards and PRs
- End-to-end responsibility for designated features or subsystems
- Shared architectural documentation and knowledge transfer sessions
- Transparent sprint metrics, velocity tracking, and bi-weekly demos
END-TO-END DELIVERY Autonomous Ownership
Dedicated Frontend Pod / Turnkey Delivery
IDEAL FOR:
Founders and product leaders who want a complete, self-managed engineering pod to deliver a frontend from design to launch.
A fully autonomous cross-functional frontend delivery unit. Includes engineering leadership, frontend developers, UI/UX implementation engineers, QA specialists, and a dedicated delivery manager managing milestones.
CORE DELIVERABLES
- Turnkey milestone management with guaranteed delivery timelines
- Full architectural documentation, component storybook, and runbooks
- End-to-end automated testing, accessibility certification, and CI/CD
- Post-launch warranty, ongoing SLA support, and roadmap iteration
SIMPLE ONBOARDING
Simple 4-Step Developer Hiring Journey
From initial consultation to your developers shipping code in days.
01 Day 1 – 2
Technical Requirements Discovery
We meet to understand your tech stack, project goals, team dynamics, and required seniority level.
02 Day 3 – 5
Candidate Shortlisting & Matching
We present curated profiles of senior engineers whose framework experience precisely matches your requirements.
03 Day 6 – 8
Client Technical Interview & Kickoff
You interview the shortlisted candidates directly, evaluate cultural fit, and approve the team.
04 Day 8 – 10
Onboarding & First Sprint Delivery
Developers set up environments, review codebases, and begin committing code in their first active sprint.
07 / THE DCH ADVANTAGE
Why High-Growth Companies Choose Dev Centre House for Frontend Engineering
We don't just write templates or stitch UI components together. We build resilient, performant, and scalable frontend architectures that support long-term product evolution.
01
Top 5% Engineers Accepted
Senior-Heavy Engineering Talent
Our team comprises rigorously vetted senior engineers with an average of 7+ years of frontend expertise, ensuring robust code without basic junior mistakes.
02
100% Type-Safe Architecture
Architecture-First Mentality
We design component boundaries, state structures, and API contracts before coding, preventing expensive refactors and spaghetti dependencies down the road.
03
90+ Lighthouse Target Score
Obsession with Real-World Speed
We optimize for sub-second Core Web Vitals, tree-shaking every kilobyte and eliminating render lag so your users enjoy frictionless, instant interactions.
04
100% Timezone Alignment
Seamless Cross-Functional Integration
Our developers speak the language of product managers, UI/UX designers, and backend architects, bridging the gap between design and infrastructure.
05
WCAG 2.1 AA Compliant Primitives
Automated QA & Accessibility Standards
Every pull request is backed by unit tests, automated visual regression validation, and semantic WCAG 2.1 AA accessibility compliance.
06
100% Client IP Ownership
Total Commercial Transparency
Clear pricing, detailed sprint time logs, zero lock-in contracts, and full intellectual property transfer from day one of engagement.
OBJECTIVE DIFFERENTIATION
Typical Tech Outsourcing Agency vs. Dev Centre House
See how our engineering rigor, senior talent standards, and architectural discipline set us apart.
| Key Dimension | Typical Outsourcing Agency | Dev Centre House Advantage | Measurable Impact |
|---|---|---|---|
| Code Quality & Architecture | Rushed code, junior developers copying StackOverflow snippets, no strict TypeScript types, high technical debt. | Senior-led architecture, 100% strict TypeScript, modular design tokens, clean component hierarchy, and zero unvetted dependencies. | 60% fewer production bugs and significantly lower maintenance costs over time. |
| Performance & Core Web Vitals | Bloated bundle sizes (5MB+), unoptimized images, layout shifts (CLS), and poor mobile page load times. | Sub-second Largest Contentful Paint (LCP), tree-shaking, modern image formats, and guaranteed 90+ Lighthouse performance scores. | Measurable lifts in search rankings and organic conversion rates. |
| Design System & UX Fidelity | Approximates Figma designs with inconsistent paddings, wrong fonts, broken responsive breakpoints, and no Storybook. | Pixel-perfect Figma-to-code fidelity, automated design token pipelines, living Storybook component libraries, and fluid responsiveness. | Brand cohesion across all product screens and 3x faster UI prototyping. |
| Communication & Timezone | Intermediary account managers, delayed email updates, 12-hour timezone delays, and broken game-of-telephone handoffs. | Direct Slack/Teams access to senior engineers, proactive daily standups, fluent technical English, and aligned working hours. | Zero miscommunication lag and real-time problem resolution during sprint cycles. |
| IP Ownership & Handoff | Proprietary lock-ins, withholding build scripts, poorly documented code, and complex exit barriers. | 100% client IP ownership from day one, clear commit histories, documented codebases, and comprehensive handoff workshops. | Complete commercial freedom and seamless transition to internal teams whenever you choose. |
| Long-Term Maintainability | Fragile monoliths where changing one CSS rule breaks three unrelated pages. | Isolated component boundaries, scoped CSS/Tailwind, comprehensive test suites, and backward-compatible architectures. | Future-proof platforms that scale effortlessly as your business grows. |
ENGINEERING RIGOR
Our 5-Step Engineering Philosophy
The disciplined engineering mindset that guides every line of frontend code we write.
01
Understand Requirements
We deeply analyze user journeys, business goals, and backend constraints before touching code.
User-centric empathyTechnical feasibility analysisAPI contract validation
02
Architect & Systemise
We establish component hierarchies, state trees, and design tokens to ensure modular consistency.
Type-safe data contractsAtomic design tokensDecoupled state architecture
03
Engineer with Rigour
We write clean, readable, self-documenting code with peer reviews and continuous automated lint gates.
Strict TypeScriptZero bundle bloatSemantic HTML5 structure
04
Test & Optimise
We stress-test across devices, audit accessibility with screen readers, and profile rendering performance.
WCAG 2.1 AA validationCross-browser automated E2ESub-second LCP profiling
05
Monitor & Evolve
We integrate telemetry, monitor client error budgets, and iteratively refine UX based on real-world usage.
Real-user monitoring (RUM)Proactive security updatesContinuous delivery cadence
STRUCTURED DELIVERY
Our 6-Phase Frontend Engineering Lifecycle
A transparent, milestone-driven development process engineered to ensure code quality, predictable delivery, and zero surprises.
ARCHITECT & DESIGN
Laying the Foundations
-
Discovery & Technical Architecture
Aligning technical requirements with commercial business objectives.
We audit existing codebases, review Figma designs, evaluate API contracts, and establish the technical stack, state architecture, and rendering strategy (SSR/SSG/SPA).
Key Deliverables
- Architecture Decision Record (ADR)
- Tech stack selection & bundle budget
- API contract specifications
- Sprint roadmap & timeline estimate
-
Design System & Component Architecture
Creating reusable, accessible design tokens and UI primitives.
We translate design files into tokenized CSS variables, build foundational accessible components in Storybook, and set up automated visual regression testing.
Key Deliverables
- Design token repository (colors, fonts, spacing)
- Living Storybook component library
- WCAG 2.1 AA accessible primitives
- Visual regression test harness
-
Agile Sprint Execution & Feature Development
Iterative, two-week sprints with continuous code reviews and demos.
Our senior developers write clean, type-safe code in structured sprints. Every pull request undergoes peer review, linting, and automated unit testing before staging deployment.
Key Deliverables
- Bi-weekly staging environment releases
- Live sprint demos & stakeholder reviews
- Continuous Git commit history & PR reviews
- Transparent Jira/Linear velocity reports
ENGINEER & SCALE
Building and Launching
-
API Integration & Real-Time Sync
Connecting client interfaces with backend microservices and databases.
We integrate REST and GraphQL endpoints, implement resilient caching with TanStack Query, build optimistic UI updates, and wire real-time WebSockets for live data telemetry.
Key Deliverables
- Type-safe API client layer
- Optimistic updates & error boundaries
- Real-time WebSocket event listeners
- Offline caching & revalidation logic
-
Testing, QA & Core Web Vitals Optimization
Exhaustive verification across browsers, viewports, and assistive tech.
We execute automated end-to-end tests with Playwright, audit cross-browser compatibility, test keyboard/screen reader navigability, and optimize assets to achieve 90+ Core Web Vitals.
Key Deliverables
- Playwright automated E2E test suite
- Cross-browser certification matrix
- Lighthouse 90+ performance audit report
- WCAG 2.1 AA compliance certification
-
Production Deployment & Continuous Evolution
Zero-downtime releases, real-user monitoring, and iterative scaling.
We manage production release pipelines via Cloudflare, Vercel, or AWS, configure error monitoring with Sentry, and provide ongoing maintenance, feature iteration, and SLA support.
Key Deliverables
- Automated CI/CD production deployment pipeline
- Real-user monitoring (RUM) & Sentry error alerts
- Complete technical handoff documentation
- Ongoing SLA maintenance & roadmap iteration
QUESTIONS & ANSWERS
Frequently Asked Questions About Frontend Development
Everything you need to know about our frontend capabilities, frameworks, engagement terms, and delivery practices.
What frontend frameworks and technologies does Dev Centre House specialise in?
We specialise in the complete modern frontend ecosystem. Our core focus is on React, Next.js, Angular, Vue.js, and Astro, backed by strict TypeScript and modern CSS (Tailwind CSS, CSS Modules). For state and data fetching, we leverage TanStack Query, Zustand, Redux Toolkit, and GraphQL. For automated quality, we use Playwright, Storybook, Jest, and Lighthouse CI.
Can you help us migrate our existing legacy frontend to a modern framework like React or Next.js?
Yes, frontend migration is one of our primary core competencies. We employ the strangler fig pattern to modernize legacy codebases (such as AngularJS, jQuery, or legacy PHP/Rails frontends) route-by-route. This allows you to deploy modern React or Next.js screens incrementally without halting feature development or risking business disruption.
How do you ensure high performance and optimal Core Web Vitals scores?
We engineer performance into the frontend from day one. We implement server-side rendering (SSR) and static site generation (SSG), granular route-based code-splitting, tree-shaking, modern image optimization (WebP/AVIF with responsive clamping), edge asset caching, and layout shift prevention. We enforce automated Lighthouse CI checks in pull requests to guarantee 90+ scores on Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS).
How quickly can you onboard dedicated frontend developers to our project?
We can typically onboard pre-vetted senior frontend developers within 5 to 10 business days. Because our engineers have extensive experience working in agile product squads, they integrate quickly into your existing Jira workflows, Git repositories, and Slack communication channels with minimal onboarding friction.
Do we retain 100% ownership of the code and intellectual property?
Yes, absolutely. All code, design systems, test suites, and documentation created during our engagement belong 100% to your company from the moment they are written. We do not use proprietary vendor lock-in code or retain any intellectual property rights.
Can your frontend developers integrate with our existing backend team and workflow?
Yes. Our developers are experienced in collaborating closely with in-house backend engineers, product managers, and UI/UX designers. We work directly with your preferred API specifications (REST, GraphQL, gRPC), participate in your daily standups and sprint planning, and follow your established pull request review standards.
What engagement models do you offer for frontend development?
We offer three flexible models: (1) Dedicated Frontend Developers for immediate staff augmentation, (2) Team Extension / Augmented Squad for owning major feature modules or design systems, and (3) Dedicated Pod / Turnkey Delivery where our cross-functional team delivers a complete frontend product from discovery to launch with guaranteed milestone accountability.
How do you approach web accessibility (a11y) and compliance (WCAG)?
We treat accessibility as an engineering requirement rather than a post-launch patch. We build with semantic HTML5 elements, implement proper ARIA 1.2 roles, enforce compliant color contrast ratios, ensure full keyboard navigability with visible focus indicators, and test with actual screen readers (VoiceOver, NVDA). Our applications comply with WCAG 2.1 AA, ADA Title III, and Section 508 standards.
Do you build custom design systems or work with existing ones?
Both. If you already have a design system (such as in Figma, Storybook, or an internal npm package), we strictly adhere to your tokens and guidelines. If you need a new design system, we engineer an atomic token architecture, build reusable component primitives, and document them in an interactive Storybook repository for your entire engineering organization.
How do you handle cross-browser and mobile device compatibility?
We design mobile-first using fluid responsive units (clamp, container queries, flexbox, and grid). Every frontend is tested across modern desktop and mobile browsers (Chrome, Safari, Firefox, Edge, iOS Safari, Android Chrome) using automated Playwright test suites and real-device testing via BrowserStack.
What is your QA and automated testing process for frontend applications?
We implement a multi-layered testing pyramid: (1) Static analysis with TypeScript and ESLint, (2) Component unit tests with Jest or Vitest and React Testing Library, (3) Automated visual regression tests in Storybook, and (4) End-to-end integration tests using Playwright. Every PR must pass all CI gates before it can be merged.
How do you handle state management in complex web applications?
We separate server state from client state. For server data, we use TanStack Query (React Query) or SWR to handle caching, background refetching, and optimistic updates. For local and global client state, we prefer lightweight stores like Zustand or Redux Toolkit for complex enterprise workflows, ensuring minimal re-renders and clean separation of concerns.
Can you build headless e-commerce frontend experiences?
Yes. We build headless commerce frontends on platforms like Shopify Plus (Hydrogen/Next.js), BigCommerce, WooCommerce, and Magento. Headless storefronts offer sub-second page transitions, dynamic personalized carts, and higher mobile checkout conversion rates compared to traditional monolithic themes.
What communication and project management tools do you use?
We work inside your existing ecosystem. We commonly use Slack, Microsoft Teams, Jira, Linear, GitHub, GitLab, and Notion. We provide transparent weekly progress updates, burn-down charts, and bi-weekly video sprint demonstrations.
How do you calculate project pricing or hourly rates?
We provide transparent, competitive rates based on engagement model and developer seniority. For Dedicated Developers, we offer predictable monthly retainers. For Team Extension and Turnkey projects, we offer either time-and-materials with capped budgets or fixed-price milestone delivery. Contact us for a tailored proposal.
START YOUR FRONTEND PROJECT
Ready to Build a Fast, Scalable Frontend Experience?
Schedule an initial discovery consultation with our senior frontend engineering architects to evaluate your technical requirements, architecture roadmap, and team options.
What Happens Next?
- 30-Minute Architecture Discovery
A direct technical discussion with senior frontend architects reviewing your tech stack and requirements.
- Actionable Technical Proposal
Receive a clear breakdown of team structure, recommended architecture, timeline, and commercial terms.
- Rapid Sprint Kickoff in 5–10 Days
Pre-vetted senior frontend engineers ready to hit the ground running without recruitment delays.
Ready to build high-performance frontend experiences?
Whether you need dedicated frontend developers, legacy code refactoring, or a modern design system, our team is ready to assist.
Fast, accessible, and scalable frontend architectures engineered for real-world growth.
- 14+ Years Experience
- 100+ Senior Developers
- 250+ Projects Delivered
100% IP ownership. Strict WCAG 2.1 AA compliance. Sub-second Core Web Vitals.
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