Full-Stack Development Services
Web applications that scale with your ambitions, not against them
We build full-stack applications that handle real business complexity without becoming maintenance nightmares. From MVP to enterprise scale, one architecture that grows with you.1
Partner with usWhite Widget builds web applications that grow intelligently—we don't just solve today's requirements, we architect platforms that enable your next phase of growth.
Our full-stack development has helped startups launch MVPs that secured Series A funding, enabled SaaS companies to scale from thousands to millions of users without major rewrites, and supported enterprises in modernizing legacy systems while maintaining mission-critical operations. We build technical foundations that say "yes" to business opportunities instead of creating expensive limitations.
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Web Application Development
Full-stack development and single page applications that scale with your business without breaking the budget.Most web apps start simple but become expensive nightmares as you grow. Your development team is constantly firefighting instead of building new features, and every "quick fix" takes three times longer than expected. We build full-stack applications the right way from the start, so you can add users and features without rebuilding everything.
How we get it done:
- Full-stack architecture planning that grows with your business roadmap
- Single page application development for lightning-fast user experiences
- React, Vue, and Next.js development optimized for your users
- Robust backend systems with Node.js and Python that handle real-world complexity
- Database design that stays fast as your data grows
User interface development that makes complex software feel effortless to use.Your users shouldn't need training to use your software, but most interfaces feel like they were designed by engineers for engineers. Great frontend development makes powerful features feel intuitive, so users actually want to engage with your product instead of avoiding it.
How we get it done:
- Modern JavaScript frameworks (React, Vue, Nuxt.js, Next.js) for responsive interfaces
- User interface design that follows platform conventions and accessibility standards
- Performance optimization so pages load instantly on any device
- Component-based development for consistent user experiences
- Integration with your existing backend systems and APIs
Robust server infrastructure and API development that powers your business operations.Your backend is the engine that runs everything—customer data, business logic, integrations—but most are held together with duct tape and hope. When your backend fails, everything stops. We build backend systems and APIs that handle real business complexity while staying maintainable and secure.
How we get it done:
- Scalable backend architecture with Node.js and Python
- RESTful and GraphQL API development with comprehensive documentation
- Database optimization and secure data management
- Third-party service integration and automated workflows
- Monitoring and error handling that catches problems before users notice
Revenue-focused online stores that convert visitors into repeat customers.Your online store isn't just competing with other websites—it's competing with Amazon's checkout experience and Apple's design standards. Slow sites lose sales every second, and complicated checkouts kill conversions. We build e-commerce platforms that handle your business complexity while keeping customers happy.
How we get it done:
- High-converting checkout flows that reduce cart abandonment
- Inventory management and order processing that scales with growth
- Secure payment integration with fraud protection and compliance
- Mobile-optimized shopping experiences across all devices
- Performance optimization for peak traffic and seasonal sales events
Custom CMS development that lets your team manage content without technical headaches.Your marketing team shouldn't need developers to update a blog post, but most content management systems are either too rigid or too complicated. WordPress works until it doesn't, and enterprise CMS solutions cost a fortune. We build content management systems that give your team the control they need without the complexity they don't want.
How we get it done:
- Custom CMS development tailored to your content workflows
- User-friendly admin interfaces that non-technical teams actually want to use
- Multi-site and multi-language content management capabilities
- SEO optimization and automated content publishing workflows
- Integration with your existing marketing tools and analytics
Mobile-first web design that works perfectly on every device and screen size.Half your users are on mobile, but most websites still feel like desktop sites crammed into a phone screen. Responsive web design isn't just about making things smaller—it's about creating experiences that work naturally on every device, from phones to tablets to large desktop monitors.
How we get it done:
- Mobile-first design approach that prioritizes the most common user experience
- Flexible layouts that adapt beautifully to any screen size
- Touch-friendly interfaces optimized for finger navigation
- Fast-loading mobile experiences that don't sacrifice functionality
- Cross-browser compatibility testing across all major platforms
Enterprise-grade security that protects your business and customer data from threats.Security breaches don't just cost money—they destroy trust and can shut down your business overnight. Most companies think they're secure until they're not, and by then it's too late. We implement layered security that protects against real threats without making your site impossible to use.
How we get it done:
- Security audits that identify vulnerabilities before hackers do
- SSL implementation and encrypted data transmission
- Authentication systems and access control management
- Regular security monitoring and threat detection
- Compliance support for GDPR, CCPA, DPA, and industry-specific regulations
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Use Cases & Solutions
Financial Services
Parenting app on iOS, Android, and web for one of
Asia’s largest insurers with 10M+ customers
Food and Beverage
Fully integrated restaurant platform.
Ordering, payments, analytics, and more.
Communications
Secure chat and productivity platform that gives
enterprises privacy and ownership over their data
View Case Study
Build web applications that won't break your business
Most web apps start simple but become expensive technical debt as you grow. We architect applications the right way from day one—scalable, maintainable, and designed for the complexity you'll face tomorrow, not just today's requirements.
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Our Development ProcessArchitect
Develop
Deploy
Scale
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Web Apps Built for TrustOWASP Top-10 hardening, automated pentest hooks.
ISO 27001-Aligned Pipelines – Policy-Driven by Design
Core Web Vitals budget set and enforced in CI.
SOC 2-Aligned Pipelines – Audit-Ready by Default
HIPAA Compliant
PCI-DDS Compliant
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Digital experience enginesFront-End Frameworks
Vue · React · Svelte · Next.js · Nuxt · Ant
API & Backend Runtimes
Node.js · Go · Rust · Serverless Cloud Functions (Firebase, Lambda) · GraphQL engines (Hasura)
Authentication & Security
Auth0 · Keycloak
Operational Datastores / Caching
PostgreSQL · Redis · Elasticsearch · NeonDB
Analytics & Streaming
BigQuery · Snowflake · Kafka · Pub/Sub · Zilliz · GraphDB
CMS & E-commerce Platforms
WordPress · Drupal · Sanity · Django CMS · Hugo · PrestaShop · Shopify
Cloud & Infrastructure
AWS · GCP · Azure · Linode · Terraform · Pulumi
Performance & Observability
Lighthouse · Grafana/Prometheus · Jaeger/Zipkin · Sentry · Cloudflare
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Testimonials & recognition“We are very happy with White Widget's performance. They developed a great app, and the project was completed ahead of time. We went through a few iterations with White Widget, and they were very accommodating in implementing those changes. They are at the top end of mobile development.
Brett DarbyOmtrak Siteworks
“White Widget also delivers milestones on time, which is amazing for a company that handles multiple projects all at the same time.
Head ExecutiveOnline E-Commerce Store
“White Widget were consultants, not just web developers. They would advise us on best practices, and how to proceed with each step of the project.
Digital ConsultantPolitical Campaign
“I was impressed by White Widget's ability to iterate and problem solve on the go. They offer solutions instead of just waiting for directives.
David NavaretteSony Music
““We’re not just launching another AI tool, we’re defining how newsrooms can harness data and AI to build public trust”
Data ScientistNews and Media Site
“White Widget... were very helpful. They were empowering us to be demanding customers. They were very informative as to the technologies they wanted to deploy. They were very transparent about timing and about what needed to get done. It was very professional.
Senior Campaign StrategistPolitical Campaign Website
““White Widget is also extremely responsive. When I give them feedback about a design, they apply it, even when they have pushback. They're not stuck in their ways; they're very open to feedback and collaborative to get an acceptable design that I want.”
Michael WasielewskiFounder of Generative Security
““You guys are the experts, that’s why I hired you.”
CTOAI Platform
“White Widget is also incredibly professional. They are not afraid to take the time to clear up requirements and specifications before diving into the main development work
MannyFWD Android, iOS and Web Product Owner
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Frequently Asked QuestionsHow do you ensure web applications can handle future growth and scaling?
We design applications with scalable architecture from day one, including modular code structure, efficient database design, and cloud-ready infrastructure. Our applications handle increased users and features without major rewrites.
What's your approach to web application security?
Security is integrated throughout development with secure coding practices, data encryption, authentication systems, and regular security testing. We follow industry best practices and compliance requirements specific to your business needs.
How do you handle integration with existing business systems?
We create robust API layers and integration strategies that connect your web application to CRM, ERP, databases, and other business systems. Integration planning ensures seamless data flow across your technology ecosystem.
What technologies do you use for web application development?
We select technologies based on your specific requirements, including modern JavaScript frameworks, cloud platforms, and database solutions. Technology choices prioritize long-term maintainability, performance, and business alignment.
How do you ensure web applications remain maintainable as they grow?
We use clean code practices, comprehensive documentation, automated testing, and modular architecture. This approach ensures applications remain easy to update and extend as business requirements evolve.
What's the difference between custom web applications and SaaS platforms?
Custom web applications are built specifically for your business requirements, while SaaS platforms serve multiple customers. Custom applications provide complete control and customization but require more development investment.
How do you handle performance optimization for web applications?
Performance optimization includes efficient code architecture, database optimization, caching strategies, and CDN implementation. We ensure applications load quickly and respond smoothly regardless of user location or device.
What support and maintenance do you provide after launch?
We provide ongoing maintenance including security updates, performance monitoring, bug fixes, and feature enhancements. Support levels are tailored to your specific needs and business requirements.
Case Study•
Bringing people back to work: Triumphing over the COVID-19 Pandemic through mass testing
White Widget donated its time to build a mass testing platform which tested tens of thousands of employees belonging to 200 companies, in order to help alleviate the economic crisis caused by COVID.
Case Study•