About Costco
A global wholesale leader renowned for delivering value to both individual consumers and businesses. Costco sought to modernize its legacy e-commerce platform to deliver a high-performance, responsive, and scalable online experience across all customer segments.
Challenges
Performance Limitations
Slow loading times frustrated users and caused cart abandonment.
Scalability Issues
Outdated infrastructure faltered during high-traffic periods.
Inconsistent User Experience
B2B and B2C customer journeys were misaligned and device experiences varied.
Security Concerns
Legacy systems posed higher risks and struggled to meet modern data protection standards.
Solution: Challenge → Solution → Result
| Challenge |
Solution |
Result |
| Slow page loads |
Built a React-based PWA with Gatsby static rendering and GraphQL data delivery |
50% faster page loads |
| Scalability bottlenecks |
Deployed using Docker, Kubernetes, AWS, and Akamai CDN |
Reliable performance during peak demand |
| Disjointed B2B/B2C UX |
Designed unified but tailored experiences, with multi-cart and personalized dashboards |
+32% mobile conversions |
| Platform rigidity |
Implemented mobile-first design, GraphQL APIs, and agile deployment |
Accelerated time-to-market |
Ready to Reinvent Your Digital Experience?
ValueCoders ensures faster performance, seamless integrations, and a superior shopping journey.
Tech Stack & Integrations
Frontend: React.js, Gatsby.js
State Management: Redux, Redux-Saga
API Layer: GraphQL
Cloud & CDN: AWS (S3, CloudFront), Akamai
DevOps & Containers: Jenkins, Docker, Kubernetes
Testing: Jest, Cypress
Backend: Integrated seamlessly with Costco’s legacy services
Architecture Overview
A modern, modular architecture powers high performance and secure delivery:
- React/Gatsby PWA frontend ensures fast, SEO-friendly rendering
- GraphQL layer delivers optimized data fetching
- Containerized microservices (Docker + Kubernetes) allow scalable deployments
- Optimized content delivery via AWS and Akamai enhance global performance
Measurable Results / ROI
- 50% faster page loads improve engagement and reduce bounce rates
- +32% mobile conversion uplift from responsive, intuitive UX
- Accelerated feature delivery, reducing time-to-market for campaigns
- Increased user retention, thanks to personalized dashboards and simplified shopping flows
- Improved order accuracy, especially in bulk and B2B purchases
Why ValueCoders?
- Expertise in React, PWA frameworks, GraphQL, and modern DevOps
- Agile, collaborative delivery with rapid deployment cycles and CI/CD pipelines
- Innovative mobile-first design tailored for both consumer and business customers
- Seamless integration with existing enterprise backend systems
- Focus on performance, reliability, and security at scale
Client Quote
“ValueCoders transformed our aging platform into a modern, lightning-fast PWA. The seamless experience for both our business clients and individual shoppers – and the performance gains – were truly game-changing.”
– E-Commerce Head, Costco
Want to Transform Your eCommerce Experience?
We can help you achieve faster performance, seamless scalablity, and stronger customer engagement.
