#fintech Development Tutorials & Tips | Roast Dev

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Why Fintechs Should Shrink Their Attack Surface—Not Just Get Certified

TL;DR Security certifications aren’t enough to stop breaches. The most effective way to secure customer data is to reduce your attack surface. Self-hosting tools can significantly reduce your risk o...

04.04.2025 0 Read More

How I Saved a Startup $15k/month on AWS Without Downtime

The Problem [StartupX] was burning $32k/month on AWS due to: Database Overkill: RDS instances running at 15% utilization Zombie Servers: 12 EC2 instances left running for "future needs" ...

30.03.2025 0 Read More

Payment Gateway Integrations tips

Over the past two years, I’ve worked extensively on integrating various payment gateways from different countries. Each integration came with its own challenges, and I’ve gathered key lessons that...

02.04.2025 0 Read More

Payment Links: A One-Click Solution

Payment links are a vital part of the fintech experience, and allow merchants to quickly collect funds from their customers in a fast and efficient way. The payment and checkout experience is streamli...

02.04.2025 0 Read More

Navigating Regulatory Compliance in API Development

Regulatory compliance is not just a checkbox in API development - it's foundational to maintaining trust, security, and operational integrity. Developers working with enterprise merchants and partners...

03.04.2025 0 Read More

How to Build Scalable and Secure Mobile Apps

Building scalable and secure mobile apps is essential for developers and businesses aiming for success in today's fast-paced, mobile-driven world. A well-designed, efficient, and secure mobile app can...

04.04.2025 0 Read More

How Tokenization Secures Digital Payments – A Deep Dive

Introduction As digital payments continue to dominate global commerce, securing cardholder data has become more critical than ever. One key technology that powers secure payments is Tokenizat...

06.04.2025 0 Read More

Discovered a niche SaaS for investment analytics — anyone else using InvestSpy?

Was digging through lesser-known SaaS products recently and came across something called InvestSpy — it’s an investment analytics platform targeting independent advisors and advanced retail invest...

10.04.2025 0 Read More

How Digital Banks And Fintech Pose A Threat To Traditional Financial?

Over the last decade, more comprehensive digital banking institutions and fin-tech companies have shown their strength in the financial market. They are not only disrupting the financial sectors by pr...

11.04.2025 0 Read More

APIs, Infrastructure, and Innovation: The Technical Backbone of Kotaro Shimogori’s Fintech Platforms

When people talk about fintech success, they often focus on vision, funding, or flashy front-end features. But Kotaro Shimogori knows the real story is written in infrastructure.Behind every seamless ...

12.04.2025 0 Read More