Client's Testimonial

"Speed, security, and scalability were non-negotiable for us. Developers.dev delivered on all three. They built the core of our user-facing product, and their expertise allowed us to get to market faster and with more confidence. They are the ideal partner for any startup that is serious about technology."

Ben Carter, Co-Founder & CEO, Credify.

Client Overview

"Credify" is a venture-backed startup in the "Strategic" tier, offering a novel credit card product for millennials. Their core value proposition was a flexible, real-time rewards program that allowed users to redeem points instantly on everyday purchases.

Problem

Credify had a brilliant concept but lacked the in-house mobile and backend engineering team to build a secure, PCI-compliant platform capable of handling real-time financial transactions and rewards calculations at scale.

Key Challenges

Rapid MVP Development

Needing to launch an MVP within a tight 4-month timeframe to meet investor milestones.

HIPAA Compliance

Achieving bank-grade security and PCI DSS compliance.

Intuitive UI/UX

Creating an intuitive and trustworthy user interface for managing finances and rewards.

Cost-Effective Development

Building a backend that could process thousands of transactions per second with low latency.

Our Solution

We assigned our "FinTech Mobile Pod," a specialized team with pre-built knowledge of financial application development, security protocols, and third-party financial API integrations.

💡 Secure, Event-Driven Architecture

We used an event-driven architecture with AWS Lambda and Kinesis to build a highly scalable and resilient backend capable of processing a high volume of transactions in real-time.

🔒 Bank-Grade Security

From day one, we implemented multi-factor authentication, biometric login, end-to-end encryption, and tokenization of all sensitive data, following PCI DSS best practices.

⏱️ Real-Time Rewards Engine

We developed a flexible rules engine that could instantly calculate and award points as transactions occurred, providing the instant gratification that was key to the product's appeal.

🚀 Rapid MVP Development

By leveraging our deep expertise and focusing on core features, we successfully designed, built, tested, and launched the MVP for both iOS and Android in just 16 weeks.

Implementation and Execution

Highly Compressed Discovery

A highly compressed discovery phase focused on core user stories.

Parallel Development Tracks

Parallel development tracks for the iOS, Android, and backend components.

Constant Communication

Daily stand-ups and a shared Slack channel for constant communication with the Credify founders.

Third-Party API Integration

Integration with Plaid for bank account linking and Stripe for payment processing.

Rigorous Security Testing

Conducted rigorous penetration testing with a third-party security firm before launch.

Continuous Development Model

Post-launch, transitioned into a continuous development model to rapidly iterate and add new features.

Positive Outcome

💰 Successful Series A Funding

Successfully launched the product on schedule, securing a Series A funding round.

📈 Scaled to 1 Million Users

Scaled from 0 to 1 million users in the first 18 months with 99.99% uptime.

🛡️ PCI DSS Compliance Achieved

Achieved and maintained PCI DSS compliance, building crucial trust with users and partners.

⭐ High App Store Ratings

The app received an average rating of 4.8 stars on both app stores, with users praising its speed and ease of use.

Why Choose Us

💼 Specialized FinTech Expertise

🔒 Security-First Mindset

🚀 Rapid MVP Launch Capability

🏗️ Highly Scalable Architecture

⚡ Agility & Speed

🤝 Transparent Partnership

💎 Zero-Risk Talent

💲 Cost-Effective Global Delivery

📈 Proven Startup-to-Scale Experience

Conclusion

For Credify, Developers.dev was not just an outsourced developer but a foundational technology partner. Our ability to provide a secure, scalable, and rapidly developed solution was instrumental in their successful market launch and subsequent hyper-growth.

How "Credify" Scaled to 1 Million Users with a Secure, Real-Time Rewards App

Industry Fintech