AI Multilingual Chatbot for Financial Assistance
24/7 multilingual
support enabled through an AI chatbot.
Lower operational costs
achieved by automating FAQs and loan pre-qualification assistance.
Industries
Industries We Serve
Cross-industry engineering experience across regulated and high-growth sectors.
All IndustriesTechnologies
Ruby
ImageMagick
TypeScript
React
GraphQL
Kafka
Cloudflare (caching/CDN)
Expertise
Legacy modernization
Highload
Cloud
Integrations
Client Overview
Credible
Credible is a San Francisco–based fintech platform that simplifies how consumers compare and secure financial products. Acting as a transparent digital marketplace, it connects borrowers with multiple lenders to find personalized loan options with ease and confidence. Beyond core lending services, Credible invests in scalable technology and user experience—ensuring that every interaction, from rate comparison to content engagement, is fast, reliable, and secure.
Industries
FinTech
Headquarters
San Francisco, CA, USA
Company size
200+ employees
Challenges
Legacy Image Infrastructure Slowed Content Growth
Credible’s expanding editorial platform required a faster, more flexible way to process, render, and deliver thousands of images without disrupting existing publishing workflows.
Have a Similar Problem?
We help fintech and digital platforms modernize legacy systems for scalability and performance.
Outdated image service
The legacy system couldn’t support the performance or caching capabilities needed for large-scale content publishing.
Migration complexity
Thousands of images and associated metadata had to be transferred into a new infrastructure without loss or downtime.
Heavy performance load
High traffic from content pages demanded optimized rendering, caching, and delivery to maintain fast user experiences.
Format inefficiency
Older image formats increased page load times and impacted SEO performance.
Have a Similar Problem?
We help fintech and digital platforms modernize legacy systems for scalability and performance.
Why They Chose Us
Trusted Partner for Scalable Fintech Infrastructure
Credible selected Zoolatech for its ability to modernize complex backend systems while ensuring speed, reliability, and seamless integration with existing editorial workflows.
Proven migration experience
Zoolatech’s engineers had deep experience rebuilding legacy services into modern, high-performing architectures with zero downtime.
Performance-driven engineering
Our approach focused on optimizing image rendering and caching—delivering tangible speed improvements without disrupting content production.
Zoolatech is a senior-heavy engineering firm with Silicon Valley roots and a Miami HQ, specializing in legacy modernization, system re-architecture, and AI deployment to drive long-term, compounding value.
2017
Year Founded
600+
Employees
96%
Client Satisfaction
Workflow
Rebuilding a Critical Service Without Interrupting Operations
Zoolatech applied a structured, engineering-first approach to analyze, replicate, and optimize Credible’s legacy image management system within its modern tech stack.
Phase 1
Reverse engineering the legacy API
Mapped and documented all existing interfaces of the old image service to ensure full functional parity in the new environment.
Phase 2
Service redevelopment
Rebuilt the system using Ruby and ImageMagick, integrating new caching and optimization layers while maintaining identical API behavior.
Phase 3
Optimization and caching
Implemented Cloudflare-based caching and WebP compression for faster image delivery and reduced bandwidth usage.
Phase 4
Testing and migration
Validated all image transformations, metadata mappings, and delivery flows before migrating live assets into production.
Phase 5
Continuous improvement
Ongoing optimization ensures the service can handle traffic spikes as editorial content and audiences continue to scale.
A high-performance image service improved page speed, strengthened publishing reliability, and enabled seamless content migration at scale.
Solution
Modern Image Management Built for Scale
Zoolatech delivered a lightweight yet high-load service that powers image processing, optimization, and delivery for Credible’s growing editorial ecosystem.
Smart image processing
Implemented automatic resizing, cropping, and transformation logic to generate thumbnails and optimized previews for any article layout.
Optimized formats and delivery
Integrated ImageMagick and .webp compression to reduce image weight while preserving quality, improving both performance and SEO.
CDN-level caching
Leveraged Cloudflare caching to serve frequently requested images instantly and reduce backend load during high-traffic peaks.
Results
Faster Publishing and Reliable Image Delivery
The new image service became a stable backbone for Credible’s content operations—improving publishing efficiency, site performance, and user experience.
Improved page load speed
Optimized formats and caching reduced load times across content pages.
Consistent publishing workflow
Editorial teams continued uploading, editing, and publishing without interruption during migration.
Infrastructure stability
The new service handles continuous high-traffic requests without failures or degradation.
Business Value
Empowering Scalable Content Operations
By modernizing its image infrastructure, Credible strengthened both the reliability and speed of its publishing platform—freeing teams to focus on content quality and audience engagement.
Operational efficiency
Editorial and engineering teams now manage image-heavy content faster, without manual optimization or performance concerns.
Scalable foundation
The new architecture supports continuous traffic growth and future content expansion without additional overhead.
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