Tinder Flame LogoTinder Wordmark Logo
Inclusion
Tindership
Engineering
Global Teams
Blog
Find Your Role
Find Your Role
Three horizontal lines representing a menu icon.

Tinder Engineering Blog

5 min read

When Your Model Hates Helicopters: Getting LLM Features From "It Works" to "We'd Bet On It"

Read more
Right Arrow
View all
Category one
Category two
Category three
Category four
Search icon.
Categories
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Engineering
15 min
 read

When Your Model Hates Helicopters: Getting LLM Features From "It Works" to "We'd Bet On It"

A post about two photo Tinder® features we built on our team (Photo Feedback and a hybrid Smart Photo ordering model), and what it actually took to get them there.
Engineering
10 min
 read

Merlin: The Tinder® Harness Around AI Coding Agents

AI coding agents can write code. Merlin turns that capability into a reliable workflow: planning the work, verifying changes, asking for help when needed, and producing results people can review.
Engineering
5 min
 read

Upgrading Tinder to Xcode 26 with Cursor

How Tinder used AI-powered development workflows to turn one of its most complex iOS upgrades into a faster, safer, and surprisingly scalable migration.
Engineering
10 min
 read

Undercover Agent: How We Built an AI That Tests Coverage While We Sleep

We built an AI agent at a TinderⓇ hackathon that writes automated unit tests, won the engineering track, and deployed it straight into our CI pipeline. Here’s what we learned.
Engineering
5 mins
 read

A Non-Engineer’s Translation Guide to Living With One

Match Group CEO Spencer Rascoff shares some favorite moments from when workplace language collides with real life, and what it reveals about engineering culture at its best.
Engineering
10 min
 read

Tinder API Style Guide: Part 2

How Tinder unified fragmented data models into a single, governed Protobuf system to improve reliability, consistency, and developer velocity at scale.
Engineering
10 min
 read

How Tinder® Uses AI to Rank Profile Photos

An inside look at how Tinder’s VLM-based system reframes photo ranking through pairwise comparisons to improve matches, likes, and meaningful connections.
Engineering
5 min
 read

How to Hire a Great CTO (Even If You’re Not a Technologist)

Finding a CTO who balances technical depth with leadership is tough. Read how Tinder’s CEO approached the search, prioritizing hands-on experience, AI readiness, and cultural fit.
Engineering
5 min
 read

Boosting iOS Development Efficiency With AI: Practical Techniques for a Large-Scale Codebase

Learn about the concrete prompting strategies and techniques that are effective for iOS development at scale.
Engineering
 read

How We Decomposed Tinder’s Monolith

Monoliths are frustrating for developers, and they can have a profound effect on your organization; they slow down your team and your ability to drive important changes in your codebase.
Engineering
 read

How On-Device AI Models Find Your Best Tinder Profile Photos

At Tinder, the quality of your profile photos is paramount. However, asking users to manually sift through their entire camera roll to select images that best represent them can be an overwhelming task.
Engineering
 read

Tinder’s migration to Elasticsearch 8

Tinder ES plugin is a crucial in-house technology that allows us to run complex, observable, efficient and testable scoring algorithms written in Java.
Engineering
 read

Sharing Tinder’s latest contributions to the open source community

At first glance, Tinder might seem like a simple application. But when you look under the hood, there are a lot of complexities to consider when building the experience that our users know and love today.
Engineering
 read

How Tinder Eased Development Pain With Ignis

Latency in the development loop caused a significant bottleneck in our feature development and reduced overall stability. That's where Ignis came in.
Engineering
 read

Tinder API Style Guide-Part 1

Learn how we streamlined and updated our methodologies to maintain consistency and scalability of the Tinder app.
Engineering
 read

Identifying vulnerabilities in GitHub Actions & AWS OIDC Configurations

Through this blog, we will share examples of vulnerable configuration, case-studies with external organizations, mitigation examples, and abuse identification techniques.
Engineering
 read

Building Obsidian, Tinder’s Design System

This post explores the creation of Obsidian, Tinder's design system.
Engineering
 read

How to Categorize and Prevent Risks of Sensitive Links in URLScan

Learn how we mitigate and prevent accidental indexing of sensitive links.
Show More
Tinder wordmark logo
HomeEngineeringInclusionGlobal TeamsTindership
TikTok logo in black.
Terms of ServicePrivacy PolicyCookie Policy
©2026 Tinder LLC