Web Application Development

Frontend: Next.js and React. Next.js is chosen for applications where server-side rendering matters, since it measurably reduces time-to-interactive on data-heavy dashboards and improves crawlability for public-facing portals. Backend: ASP.NET Core for high-throughput transactional systems requiring strict type safety and .NET ecosystem integrations; NestJS/Node.js for event-driven architectures and real-time features. Databases: PostgreSQL for relational, transactional data; SQL Server where clients have existing Microsoft infrastructure; MongoDB for document-oriented data structures. Redis handles caching and session state to keep API responses fast under load. Deployment uses Docker containers orchestrated by Kubernetes, ensuring that what runs in staging is identical to what runs in production.

Yes, and the definition of responsive matters. Every application we build is developed mobile-first, meaning the layout, touch target sizes, and interaction patterns are designed for small screens before they are adapted for desktop. QA includes testing across real device viewports, not just browser emulation, for iOS Safari, Android Chrome, and tablet breakpoints. For applications where mobile usage is primary, we also evaluate whether a Progressive Web App build makes more sense than a standard responsive web approach, since PWAs can support offline functionality and home-screen installation without a native app build.

Yes, and legacy migration is a defined service with its own methodology. The first step is a Legacy Audit: we document the existing application's data model, business rules, and integration points before writing any replacement code. This audit often surfaces undocumented logic baked into the old system that would otherwise be lost. Migration typically runs in parallel. The old system stays operational while the new web application is built and validated. Data migration scripts are tested against production-scale data volumes before cutover. Clients in this process receive a Migration Runbook covering rollback procedures, validation checks, and go-live sequencing.

Security is addressed at the architecture level, not as a post-launch checklist. Authentication uses industry-standard flows: OAuth 2.0 and OpenID Connect for third-party identity providers, JWT with short expiry windows and refresh token rotation for session management. All database queries use parameterized statements to prevent SQL injection. API endpoints enforce rate limiting and input validation at the schema level. File uploads are scanned and stored outside the web root. Before go-live, every application goes through an OWASP Top 10 review, and findings are documented and resolved before production access is granted. HTTPS is enforced with HSTS headers; security headers including CSP, X-Frame-Options, and X-Content-Type-Options are configured on every deployment.

We design for your regulatory requirements from the architecture stage rather than retrofitting them. Where GDPR applies, that can mean EU-region hosting, consent management in the user flow and a process for data subject requests. Where HIPAA applies, it can mean encrypting health data at rest and in transit, logging access, and choosing cloud services that sign a business associate agreement. Role-based access control and audit logging are standard in builds that handle regulated data. We design to support your obligations; compliance remains your organization's responsibility and is confirmed by your own assessment.

Yes. We can take over a web application another team built, including codebases in React, Next.js, Vue, Laravel or .NET. We start with a code audit covering security issues, test coverage, database design and outdated dependencies, and you receive a written assessment before any remediation begins. We then fix critical issues first to reach a stable baseline before moving on to new features.