--- title: Building Secure FinTech Apps with Flutter: Security... description: A practical security guide for Flutter developers building FinTech applications, covering 21 security measures including encrypted storage with... canonical: https://daily.dev/posts/building-secure-fintech-apps-with-flutter-security-measures-every-developer-should-follow-flutter--bi1lkrgwl twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Building Secure FinTech Apps with Flutter: Security Measures Every Developer Should Follow (Flutter 3.35+) | daily.dev og:description: A practical security guide for Flutter developers building FinTech applications, covering 21 security measures including encrypted storage with... og:url: https://daily.dev/posts/building-secure-fintech-apps-with-flutter-security-measures-every-developer-should-follow-flutter--bi1lkrgwl og:image: https://api.daily.dev/og/posts/bi1lKRgwL.png og:image:alt: Building Secure FinTech Apps with Flutter: Security Measures Every Developer Should Follow (Flutter 3.35+) og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Building Secure FinTech Apps with Flutter: Security Measures Every Developer Should Follow (Flutter 3.35+) **[Medium](https://daily.dev/sources/medium_js)** · 7 min read · 0 upvotes · 0 comments ## Summary A practical security guide for Flutter developers building FinTech applications, covering 21 security measures including encrypted storage with flutter_secure_storage, biometric authentication, SSL certificate pinning, JWT best practices, root/jailbreak detection, code obfuscation, app integrity checks, and regulatory compliance (PCI DSS, GDPR, PSD2). Includes a pre-release checklist and a curated list of Flutter packages for each security concern. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Using Flutter with Firebase: A Developer's Guide](https://daily.dev/posts/using-flutter-with-firebase-a-developer-s-guide-jbpavk3vl) · Flutter Community · 0 upvotes · 0 comments - [Building Secure Integrations with Financial Applications: Authentication Best Practices for Developers](https://daily.dev/posts/building-secure-integrations-with-financial-applications-authentication-best-practices-for-develope-0ke0wxsbm) · Security Boulevard · 0 upvotes · 0 comments - [WEBINAR How to Secure Your Mobile App and the APIs It Interacts With](https://daily.dev/posts/webinar-how-to-secure-your-mobile-app-and-the-apis-it-interacts-with-rfzgp4z05) · Tech Lead Digest · 0 upvotes · 0 comments - [Web3 Authentication for Your App](https://daily.dev/posts/web3-authentication-for-your-app-eo8myrb1v) · Coins Bench · 0 upvotes · 0 comments - [Securing Secrets in Android: From API Keys to Production-Grade Defense](https://daily.dev/posts/securing-secrets-in-android-from-api-keys-to-production-grade-defense-jxwjjpdsh) · ProAndroidDev · 0 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#authentication](https://daily.dev/tags/authentication), [#flutter](https://daily.dev/tags/flutter), [#fintech](https://daily.dev/tags/fintech) [View this post on daily.dev](https://daily.dev/posts/building-secure-fintech-apps-with-flutter-security-measures-every-developer-should-follow-flutter--bi1lkrgwl) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Building Secure FinTech Apps with Flutter: Security Measures Every Developer Should Follow (Flutter 3.35+)","url":"https://daily.dev/posts/building-secure-fintech-apps-with-flutter-security-measures-every-developer-should-follow-flutter--bi1lkrgwl","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/building-secure-fintech-apps-with-flutter-security-measures-every-developer-should-follow-flutter--bi1lkrgwl"},"datePublished":"2026-07-12T08:50:38.008Z","dateModified":"2026-07-12T08:51:24.464Z","description":"A practical security guide for Flutter developers building FinTech applications, covering 21 security measures including encrypted storage with...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/08e1ea1408ebedeab56e84e3fa0f0a9c?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/08e1ea1408ebedeab56e84e3fa0f0a9c?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Medium","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Medium","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/medium","url":"https://daily.dev/sources/medium_js"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/building-secure-fintech-apps-with-flutter-security-measures-every-developer-should-follow-flutter--bi1lkrgwl","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"security,authentication,flutter,fintech","timeRequired":"PT7M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Medium","item":"https://daily.dev/sources/medium_js"},{"@type":"ListItem","position":3,"name":"Building Secure FinTech Apps with Flutter: Security Measures Every Developer Should Follow (Flutter 3.35+)"}]} ```