--- title: Every Backend Engineer needs to know how to deal with... description: Implementing a reliable payment retry system is crucial for handling payment failures like network issues or expired cards. Key elements include tracking... canonical: https://daily.dev/posts/chdkpluk3 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Every Backend Engineer needs to know how to deal with payments. | daily.dev og:description: Implementing a reliable payment retry system is crucial for handling payment failures like network issues or expired cards. Key elements include tracking... og:url: https://daily.dev/posts/chdkpluk3 og:image: https://api.daily.dev/og/posts/ChdkPLUk3.png og:image:alt: Post cover image 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. # Every Backend Engineer needs to know how to deal with payments. **[The Dev Craft](https://daily.dev/sources/thedevcraft)** · [@marcosflobo](https://daily.dev/marcosflobo) · 562 upvotes · 19 comments ## Summary Implementing a reliable payment retry system is crucial for handling payment failures like network issues or expired cards. Key elements include tracking payment statuses using an append-only database, utilizing retry queues for transient problems, and a dead letter queue for persistent issues. Distinguishing between retryable and non-retryable errors is essential to avoid unnecessary retries and customer frustration. Exactly-once processing guarantees prevent duplicate charges in retries. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@daniel8000** · 6 upvotes > Maybe you just worked with payments as backend engineer and you implied that every backend engineer should know how to handle them? **@vendelserke** · 4 upvotes > If the database is append-only, it means it grows forever. How to decide how long to store entries? **@jamiecarl** · 4 upvotes > Pass. I just farm this out to one of my grunts. I worked in the finance industry for 11 years so now that I have people that can do the boring shit for me, I will never do it myself again. Lol. **@spacemanspiff** · 3 upvotes > Apologies! Took me a while to get this approved. There was a bug in daily.dev that made outgoing links broken **@amartinez** · 1 upvotes > Great article, thanks for sharing! ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#career](https://daily.dev/tags/career) [View this post on daily.dev](https://daily.dev/posts/chdkpluk3) ```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":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/chdkpluk3","headline":"Every Backend Engineer needs to know how to deal with payments.","text":"Shared: Every Backend Engineer needs to know how to deal with payments.","url":"https://daily.dev/posts/chdkpluk3","datePublished":"2025-02-05T16:46:31.604Z","dateModified":"2025-02-05T16:47:05.580Z","author":{"@type":"Person","name":"Marcos Lobo","url":"https://daily.dev/marcosflobo","image":"https://avatars.githubusercontent.com/u/5293167?v=4","description":"Senior Software Engineer & Tech Lead. 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How to decide how long to store entries?","datePublished":"2025-02-25T22:45:50.752Z","url":"https://daily.dev/posts/ChdkPLUk3#c-AvUkpj3xo","author":{"@type":"Person","name":"Vendel Serke","url":"https://daily.dev/vendelserke","image":"https://avatars.githubusercontent.com/u/17648293?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":4}},{"@type":"Comment","text":"Pass. I just farm this out to one of my grunts. I worked in the finance industry for 11 years so now that I have people that can do the boring shit for me, I will never do it myself again. Lol.","datePublished":"2025-02-23T05:27:33.375Z","url":"https://daily.dev/posts/ChdkPLUk3#c-e7iLXsIDp","author":{"@type":"Person","name":"Jamie Carl","url":"https://daily.dev/jamiecarl","image":"https://media.daily.dev/image/upload/s--6HKK4uxD--/f_auto/v1774926661/avatars/avatar_k36Xl74b9YwkVH3UdpWWH?_a=BAMAMiWQ0"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":4}},{"@type":"Comment","text":"Apologies! Took me a while to get this approved. 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