Top Software Engineers in

Android and Kotlin Development

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android
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android-library
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java
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kotlin
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ios

Android and Kotlin Development focuses on creating applications for Android devices using the Kotlin programming language. It covers a range of topics including UI design with Jetpack Compose, integrating various services like Firebase, and building applications that work across multiple platforms including iOS and desktop. Techniques and tools common to Android development such as using gradle for build processes and incorporating libraries like Retrofit and Glide are also explored.

Ranks are based on the open source contributions and reassessed every 30 days

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1

Programmer on Cash App at Cash App
/
Canada
Rock Star
18 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
square/okhttp
Okhttp: 3223 commits in 10 years 7 months
glazedlists/glazedlists
Glazedlists: 1236 commits in 5 years 3 months
square/wire
Wire: 888 commits in 9 years 9 months
Top skills
Score
java
10
kotlin
10
graalvm
10

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2

Senior Staff Software Engineer at DeepMind
/
United Kingdom
Rock Star
14 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
google/ExoPlayer
ExoPlayer: 6005 commits in 8 years 2 months
jjustman/ExoPlayer_MMT_Plugin
ExoPlayer_MMT_Plugin: 2178 commits in 3 years 8 months
tresvecesseis/ExoPlayer
ExoPlayer: 560 commits in 11 months
Top skills
Score
android
10
exoplayer
10
mediaplayer
10

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3

Software Engineer at Convex
/
United States
Rock Star
12 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
bumptech/glide
Glide: 2274 commits in 9 years 3 months
sjudd/glide
Glide: 278 commits in 8 years 3 months
sjudd/DiskLruCache
DiskLruCache: 36 commits in 3 years 5 months
Top skills
Score
android
10
gif
10
disk-cache
10

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4

Employed at cashapp / square
/
United States
Rock Star
15 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
JakeWharton/ActionBarSherlock
ActionBarSherlock: 1499 commits in 3 years 10 months
aosp-mirror/platform_frameworks_support
Platform_frameworks_support: 1398 commits in 7 years 7 months
square/retrofit
Retrofit: 1192 commits in 10 years 9 months
Top skills
Score
java
10
android
10
kotlin
5

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5

Big-data data science and engineering leader, writer, founder at Databricks
/
United States
Rock Star
20 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
OryxProject/oryx
Oryx: 1246 commits in 7 years
jakemannix/Mahout
Mahout: 885 commits in 3 years 8 months
holdenk/spark-old
Spark-old: 877 commits in 8 years 10 months
Top skills
Score
java
10
spark
5
scala
5

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6

Rock Star
TOP CONTRIBUTIONS TO PROJECTS
google/ExoPlayer
ExoPlayer: 1674 commits in 5 years 10 months
jjustman/ExoPlayer_MMT_Plugin
ExoPlayer_MMT_Plugin: 832 commits in 3 years 2 months
androidx/media
Media: 108 commits in 7 months
Top skills
Score
android
10
exoplayer
10
mediaplayer
10

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7

Distributed Systems Engineer with Tech and Finance Focus at Google
/
United Kingdom
Rock Star
22 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
yschimke/okurl
Okurl: 1015 commits in 6 years 8 months
square/okhttp
Okhttp: 669 commits in 6 years 10 months
yschimke/okhttp
Okhttp: 495 commits in 2 years 8 months
Top skills
Score
kotlin
10
java
10
graalvm
10

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8

CS Operations Lead at Flexera
/
United Kingdom
Rock Star
28 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
google/ExoPlayer
ExoPlayer: 1545 commits in 7 years 11 months
jjustman/ExoPlayer_MMT_Plugin
ExoPlayer_MMT_Plugin: 807 commits in 3 years 5 months
aosp-mirror/platform_frameworks_support
Platform_frameworks_support: 349 commits in 1 year 1 months
Top skills
Score
android
10
exoplayer
10
mediaplayer
10

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9

/
United Kingdom
Rock Star
TOP CONTRIBUTIONS TO PROJECTS
google/ExoPlayer
ExoPlayer: 1420 commits in 3 years 6 months
jjustman/ExoPlayer_MMT_Plugin
ExoPlayer_MMT_Plugin: 118 commits in 11 months
androidx/media
Media: 91 commits in 7 months
Top skills
Score
java
10
mediaplayer
10
exoplayer
10

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10

Android Developer Relations Engineer at Google
/
Spain
Rock Star
19 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
android/architecture-samples
Architecture-samples: 567 commits in 6 years 7 months
google/iosched
Iosched: 340 commits in 5 years
android/compose-samples
Compose-samples: 313 commits in 2 years 1 months
Top skills
Score
android
10
samples
9
android-architecture
9

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11

Engineer at Retool
/
United States
Rock Star
13 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
firebase/FirebaseUI-Android
FirebaseUI-Android: 927 commits in 5 years 5 months
firebase/quickstart-android
Quickstart-android: 548 commits in 5 years 9 months
firebase/firebaseopensource.com
Firebaseopensource.com: 337 commits in 4 years 3 months
Top skills
Score
firebase
10
android
10
firestore
2

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12

Senior Software Engineer at Google
/
United Kingdom
Rock Star
10 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
google/ExoPlayer
ExoPlayer: 933 commits in 6 years 7 months
aosp-mirror/platform_frameworks_base
Platform_frameworks_base: 503 commits in 3 years
jjustman/ExoPlayer_MMT_Plugin
ExoPlayer_MMT_Plugin: 496 commits in 3 years 4 months
Top skills
Score
android
10
mediaplayer
10
exoplayer
10

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13

/
United Kingdom
Rock Star
11 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
google/ExoPlayer
ExoPlayer: 743 commits in 5 years 11 months
jjustman/ExoPlayer_MMT_Plugin
ExoPlayer_MMT_Plugin: 136 commits in 3 years 1 months
androidx/media
Media: 74 commits in 6 months
Top skills
Score
android
10
exoplayer
10
mediaplayer
10

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14

ChatGPT for Android at Openai
/
United States
Rock Star
15 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
airbnb/lottie-android
Lottie-android: 484 commits in 6 years 3 months
gpeal/Course-Coda
Course-Coda: 163 commits in 4 years 1 months
airbnb/mavericks
Mavericks: 128 commits in 4 years 2 months
Top skills
Score
android
10
lottie
10
animation
10

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15

Rock Star
TOP CONTRIBUTIONS TO PROJECTS
google/ExoPlayer
ExoPlayer: 483 commits in 3 years 5 months
androidx/media
Media: 77 commits in 3 months
jjustman/ExoPlayer_MMT_Plugin
ExoPlayer_MMT_Plugin: 51 commits in 11 months
Top skills
Score
android
10
exoplayer
10
java
10

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16

Software Engineer at Google
/
Switzerland
Rock Star
20 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
google/ExoPlayer
ExoPlayer: 437 commits in 3 years 6 months
jjustman/ExoPlayer_MMT_Plugin
ExoPlayer_MMT_Plugin: 300 commits in 2 years 4 months
tresvecesseis/ExoPlayer
ExoPlayer: 27 commits in 4 months
Top skills
Score
android
10
mediaplayer
10
java
10

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17

Software Engineer at Google
/
United States
11 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
google/ExoPlayer
ExoPlayer: 392 commits in 3 years 4 months
androidx/media
Media: 71 commits in 7 months
jjustman/ExoPlayer_MMT_Plugin
ExoPlayer_MMT_Plugin: 22 commits in 7 months
Top skills
Score
android
10
exoplayer
10
java
10

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18

PhD Candidate at University of Arizona
/
United States
13 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
google/ExoPlayer
ExoPlayer: 373 commits in 9 months
charje-software/co362-group1
Co362-group1: 80 commits in 3 months
androidx/media
Media: 44 commits in 2 months
Top skills
Score
exoplayer
10
java
10
android
10

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