Interfaces built to perform and convert.
Responsive, accessible frontends for finance, healthcare, education, and travel, backed by more than a decade of delivery.
Start your frontend projectWhat our frontend services include
Secure by default: authentication, input validation, protected APIs, and browser security practices in every build.
React JS
Vue JS
Angular
JavaScript
Redux
Python
C#
MongoDB
MySQL
Custom Web Application Development
Web apps shaped around your workflows, scoped and planned before any code.
Frontend Development
React, Next.js, Vue, or Angular. Fast, accessible, and responsive.
Learn more
Backend Development & API Engineering
Node.js and Python backends with documented REST and GraphQL APIs.
Web Portal & Internal Tool Development
Role-based internal platforms that replace spreadsheets and manual work.
System Integration & API Development
Payments, CRMs, ERPs, identity, and analytics, connected with monitoring built in.
Web Application Modernization
Phased moves from legacy systems to React, Next.js, and Node.js, keeping the product usable throughout.
Cloud Deployment & DevOps Setup
AWS infrastructure, CI/CD, logging, and alerting in place before launch.
QA & Testing
Functional, performance, and security testing built into the development cycle.
Our frontend development process
01
Wireframing & Design
User journeys to high-fidelity prototypes, agreed before code.
02
CI/CD Pipeline Setup
Automated testing, linting, and deploys from day one.
03
UI Development
Responsive, component-driven code built on your design tokens.
04
Backend Integration
Secure data fetching, state management, and real-time updates.
05
Performance Optimization
Lazy loading, caching, and render tuning for any network.
06
Cross-Browser & Device Testing
Checked across modern browsers, operating systems, and devices.
07
Release & Deployment
Zero-downtime releases through the established pipeline.
08
Monitoring & Maintenance
Error monitoring and continuous updates after launch.
How the engagement works
Discovery and scoping (1–2 weeks)
A proposal covering team, timeline, cost, and architecture, agreed before development starts.
Architecture and system design
Modules, data model, API contracts, auth, and cloud setup, documented before the first sprint.
Two-week sprints
A working demo every sprint, with direct access to the engineers building it.
Code review and testing
Peer review on every change. Automated, performance, and security checks run in CI.
Staging and acceptance testing
Your team tests a production-like staging environment. We deploy after sign-off.
Launch and ongoing support
Monitoring in place before release; fixes, updates, and new features after.
Frequently asked questions
Building the parts of your site or app people see and use: responsive layouts, interactive features, performance, accessibility, and cross-browser support.
Ready to scope your frontend project?
Tell us what you’re building or replacing. A Greyloops engineer replies within 24 hours.
Request a consultation