Software development skill statistics

Based on profiles at Dev Reserve

Total Senior Mid/senior Mid-level Junior/mid Junior 0/junior
JS (JavaScript) 4104 436 862 933 755 667 451
HTML 3736 939 798 743 514 399 343
CSS 3533 594 788 796 580 450 325
React 2233 174 415 516 450 412 266
Python 2091 159 386 451 387 421 287
PHP 1836 364 440 429 274 196 133
Java 1757 199 337 351 327 307 236
MySQL 1707 251 435 404 296 199 122
Node.js 1488 137 316 358 292 252 133
Bootstrap 1334 232 313 319 208 146 116
.NET 1312 241 297 255 170 160 189
C# 1228 196 247 265 183 204 133
GitHub 1217 111 255 309 221 202 119
SQL 1050 163 241 240 167 158 81
Git (git-scm.com) 993 124 234 267 202 120 46
Angular 930 82 189 218 181 156 104
Android 877 95 160 186 146 125 165
C++ 844 60 105 164 192 166 157
MongoDB 815 52 152 212 182 143 74
jQuery 788 139 184 189 125 110 41
Ajax 777 165 176 162 129 77 68
Laravel 743 120 187 199 127 74 36
WordPress 710 153 191 156 104 64 42
PostgreSQL 708 65 129 223 135 102 54
Docker 652 35 97 188 143 144 45
ASP.NET 645 131 141 135 89 80 69
Django 643 62 106 175 128 108 64
Vue.js 641 59 135 173 122 97 55
Express.js 632 45 155 166 118 103 45
Linux 588 65 112 171 122 78 40
TypeScript 552 62 127 135 98 87 43
JSON 499 109 100 119 66 60 45
MS SQL 493 94 134 119 68 51 27
React Native 492 49 96 132 95 72 48
C 492 42 75 110 88 95 82
AWS 485 37 74 113 114 99 48
Flutter 443 37 87 107 92 67 53
SCSS 440 80 97 108 83 53 19
REST 430 92 95 116 66 44 17
Spring 403 50 94 91 66 62 40
CI/CD 398 35 82 120 82 53 26
Photoshop 379 51 89 103 67 33 36
Figma 352 25 71 83 76 67 30
Visual Studio 332 51 77 69 68 47 20
AI 303 20 40 69 65 52 57
Azure 287 18 41 78 72 41 37
Apache 285 37 59 76 55 36 22
GitLab 281 27 66 82 64 27 15
Redux 279 25 56 63 65 39 31
Next.js 261 22 50 76 54 46 13
Jira 254 28 67 67 52 31 9
MVC 238 47 61 51 34 26 19
Bitbucket 230 34 60 53 51 25 7
Tailwind CSS 229 43 41 65 40 27 13
Entity Framework 220 48 54 54 26 24 14
Kotlin 217 20 40 55 46 31 25
GraphqQL 200 14 39 49 46 37 15
Windows OS 198 49 61 41 22 15 10
Sass 197 27 42 49 35 31 13
Bash 195 17 37 48 48 30 15
npm 189 22 39 44 34 33 17
Kubernetes 184 9 25 47 42 38 23
Ubuntu 182 28 45 40 35 26 8
UI 179 31 32 42 41 20 13
Oracle 178 34 34 46 37 17 10
Illustrator 178 13 49 46 31 20 19
Scrum 177 26 41 47 30 22 11
GCP (Google Cloud) 169 15 24 47 38 35 10
NoSQL 164 21 35 38 34 26 10
Jupyter Notebook 159 18 30 40 36 20 15
UX 156 18 34 48 26 20 10
blockchain 154 9 23 24 23 34 41
DOM 151 17 37 32 19 33 13
Go (Golang) 149 7 20 32 28 43 19
Big data 148 12 23 31 27 30 25
Redis 147 11 29 42 34 23 8
Nginx 144 16 22 35 31 30 10
cybersecurity 138 15 30 24 26 23 20
Vanilla JS 135 22 41 30 23 10 9
ES (ECMAScript) 132 22 35 36 20 11 8
Firebase 130 15 24 31 29 23 8
Azure DevOps Server 129 7 24 44 22 19 13
XML 125 18 31 31 21 11 13
IntelliJ 125 16 29 28 32 10 10
Selenium 123 14 27 28 22 21 11
Jenkins 122 9 20 31 32 19 11
RabbitMQ 121 10 31 41 18 18 3
Eclipse 120 20 28 31 17 15 9
MariaDB 118 24 37 33 12 6 6
Postman 115 16 23 28 25 15 8
Flask 114 14 25 22 24 19 10
Power BI 113 15 21 26 26 17 8
Hibernate 112 18 23 27 16 14 14
iOS 108 23 19 21 15 21 9
Windows Forms 108 24 23 26 13 7 15
microservices 108 15 30 31 18 10 4
unit testing 107 19 25 25 17 14 7
ML 106 6 15 31 24 20 10
JWT 103 12 21 26 14 23 7
Material Design 101 15 24 29 15 13 5
cloud engineering 100 11 16 23 17 17 16
MongooseJS 100 10 28 19 17 15 11
CRM 99 18 25 25 18 7 6
Elasticsearch 99 3 12 40 20 14 10
NumPy 98 13 20 25 16 13 11
WooCommerce 98 26 23 16 12 12 9
macOS 96 16 21 33 16 9 1
cryptocurrency 96 14 19 21 13 10 19
Maven 95 10 18 22 17 21 7
Ruby on Rails 95 16 11 16 26 20 6
Pandas 95 15 14 28 20 12 6
EC2 (AWS) 92 15 21 22 23 8 3
Team lead/manager 91 27 29 13 15 4 3
TDD 90 13 21 21 13 18 4
NestJS 90 9 26 27 12 13 3
Swift 89 14 10 16 16 22 11
Windows Server 89 14 25 17 17 10 6
LAMP 88 22 21 18 15 8 4
TensorFlow 88 4 12 26 21 19 6
CentOS 87 9 14 32 16 12 4
IoT 86 11 12 19 11 26 7
XHTML 85 26 16 15 10 8 10
JavaFX 84 11 10 11 20 14 18
Symfony 82 15 17 23 13 10 4
Confluence 81 11 11 23 18 12 6
JUnit 80 12 17 20 9 15 7
Webpack 80 4 14 17 14 26 5
Swagger 78 8 14 23 15 12 6
SQLite 78 11 11 28 11 9 8
WebSocket 76 9 18 20 9 10 10
Kafka 76 2 17 21 17 11 8
SOAP 72 8 17 17 14 13 3
Lambda (AWS) 71 12 16 14 18 11 0
ERP 71 15 20 18 9 5 4
end-to-end testing (e2e) 70 12 17 14 12 11 4
JPA 70 13 19 11 11 10 6
UML 70 8 14 18 11 14 5
Nuxt.js 69 8 15 20 14 10 2
VirtualBox 68 5 16 14 15 15 3
Joomla 68 15 17 10 13 10 3
Ruby 67 7 5 11 15 20 9
Dart 66 7 14 19 12 6 8
Ansible 65 6 4 17 15 15 8
ORM 65 11 22 15 8 5 4
Heroku 64 6 13 16 8 13 8
pair programming 63 9 11 17 12 4 10
Kanban 61 5 14 21 11 6 4
Airflow 60 1 7 10 5 9 28
R 59 5 7 7 15 12 13
API testing 58 12 12 16 10 3 5
ETL 57 10 15 16 8 6 2
Laravel Livewire 57 11 14 19 8 5 0
Unity 57 5 3 8 16 19 6
DDD 54 12 14 14 6 5 3
Enterprise Architect 54 11 10 10 11 5 7
Delphi 52 11 11 12 7 9 2
PowerShell 51 3 8 16 9 10 5
Electron js 51 8 4 8 14 11 6
Scikit-learn (sklearn) 51 5 9 19 7 8 3
T-SQL 51 19 10 12 3 5 2
Apollo 50 5 10 10 13 7 5
cryptography 49 7 3 15 9 7 8
MUI (Material-UI) 49 7 9 13 11 5 4
Xamarin 48 7 11 11 7 11 1
RDS (AWS) 46 8 15 8 9 3 3
Terraform 46 6 12 5 10 10 3
test automation 46 8 3 14 9 6 6
Less 45 12 12 12 4 4 1
functional testing 45 5 11 9 6 7 7
CDN 44 8 10 17 5 2 2
AMQP 44 8 9 12 5 5 5
BDD 43 5 11 10 7 7 3
Tableau 43 2 5 11 12 7 6
Enterprise JavaBeans 43 5 17 9 5 3 4
VMWare 43 3 3 15 10 9 3
Gradle 42 3 6 11 9 9 4
Grafana 41 2 7 9 12 5 6
Drupal 41 9 9 6 6 4 7
Jest js 40 6 8 6 11 8 1
OpenCV 40 5 8 12 7 6 2
MS Project 39 4 14 12 5 1 3
Unix 38 7 10 5 7 6 3
shell 38 1 6 8 11 10 2
Hyper-V 38 5 5 8 11 7 2
Yarn 38 4 12 8 7 4 3
PyTorch 38 6 8 11 5 6 2
embedded programming 37 6 7 3 7 8 6
DigitalOcean 37 6 8 10 6 5 2
VBA 37 12 6 7 10 2 0
RxJS 35 4 11 9 2 7 2
Magento 34 6 5 7 5 7 4
BigQuery 34 2 8 4 9 9 2
Qt 32 5 7 3 7 6 4
CloudFormation 32 3 4 6 4 8 7
UI testing 32 4 7 2 8 7 4
Celery 31 2 5 5 9 7 3
Matlab 31 1 3 9 4 9 5
DynamoDB 31 1 7 12 5 5 1
SVN (Subversion) 30 5 5 12 5 2 1
SVG 30 6 5 5 5 7 2
ITIL 30 2 5 11 7 4 1
Balsamiq 30 3 8 10 5 2 2
OAuth 30 3 5 6 4 11 1
Elastic Stack (ELK) 29 0 2 10 7 7 3
Kibana 29 2 5 7 5 7 3
Salesforce 29 2 5 7 6 6 3
Cypress 29 3 6 9 8 3 0
performance testing 29 4 5 9 4 2 5
WebStorm 28 2 7 9 6 4 0
SQS (AWS) 28 3 6 8 4 6 1
OpenAPI 28 2 3 7 4 6 6
Solidity 28 2 2 3 4 11 6
Odoo 27 1 3 5 7 9 2
Lodash 27 1 4 6 6 5 5
JasperReports 27 7 2 9 6 1 2
load balancing 26 1 8 7 6 3 1
NetBeans 26 5 4 6 5 4 2
BPMN 25 2 8 8 5 1 1
Mockito 25 3 4 5 3 8 2
Cassandra 25 0 3 9 3 3 7
Spark (Apache) 25 3 2 5 7 6 2
Ant 25 1 7 6 5 2 4
Scala 24 2 6 5 5 4 2
CI 24 2 5 5 8 4 0
CircleCI 24 2 9 3 5 1 4
JSF 24 4 6 7 4 3 0
Mocha 23 4 4 3 5 5 2
Rust 23 0 5 2 5 6 5
Xcode 22 4 5 4 2 6 1
Cucumber 21 3 8 3 1 5 1
Hadoop 21 1 4 3 4 7 2
Prometheus 21 0 4 7 4 4 2
Yii 21 2 7 8 3 1 0
NgRx 20 3 4 3 4 4 2
MS Dynamics 20 2 10 0 1 2 5
CloudWatch 20 3 6 2 2 3 4
Keras 20 2 2 7 5 2 2
FastAPI 20 0 5 6 5 2 2
ECS (AWS) 20 3 7 5 3 2 0
WCF 19 7 5 4 2 0 1
JVM 19 3 6 3 2 3 2
Elixir 19 1 2 3 4 6 3
Flyway 19 3 1 7 4 1 3
InnoDB 19 4 2 8 3 1 1
Tomcat 19 4 3 1 6 4 1
integration testing 19 5 3 3 3 3 2
MS ML Server 19 4 5 4 2 1 3
Cordova 19 1 3 5 8 1 1
JSP 19 3 3 4 3 3 3
OpenCart 19 2 5 5 1 4 2
Groovy 18 1 1 4 6 4 2
gRPC 18 0 3 6 5 1 3
Gulp.js 18 0 0 4 7 5 2
Web3.js 18 0 2 3 3 6 4
Jasmine 17 3 6 4 1 3 0
CouchDB 17 1 1 5 3 5 2
project management 17 5 3 4 3 0 2
Objective-C 17 7 2 2 1 2 3
Perl 16 3 5 1 2 3 2
Sketch 16 3 7 3 2 0 1
Cloudflare 16 2 4 2 2 2 4
TestNG 15 5 3 3 2 1 1
Appium 14 1 0 3 5 3 2
Redmine 14 0 6 2 4 0 2
Robot Framework 14 2 0 4 3 3 2
Chef 14 1 2 2 3 2 4
WebLogic 14 2 2 3 4 2 1
Assembly 14 1 4 2 2 2 3
PrestaShop 14 4 0 3 3 3 1
PostGIS 14 2 2 3 4 1 2
Zabbix 13 2 2 3 2 4 0
Bamboo 13 2 3 3 0 3 2
Backbone.js 13 1 1 4 1 4 2
WebRTC 13 1 3 4 3 1 1
Memcached 12 1 4 3 3 0 1
XSLT 12 1 2 2 5 0 2
Artifactory 12 2 1 3 1 1 4
GIS 12 2 2 2 3 2 1
information security 12 1 2 2 5 1 1
Distributed ledger 11 0 2 1 2 4 2
Vagrant 11 0 1 4 2 3 1
HAProxy 11 0 3 2 3 3 0
DocumentDB 11 1 1 2 4 1 2
GatsbyJS 11 0 0 6 2 3 0
TeamCity 10 0 1 5 2 1 1
Unicode 10 2 1 1 4 0 2
Hive 10 1 2 1 1 1 4
Swing 10 3 2 1 3 1 0
APEX 10 4 2 1 0 1 2
regression testing 10 2 2 2 2 0 2
Ext JS 9 2 2 4 0 1 0
New Relic 9 0 5 1 1 2 0
CVS 9 2 5 1 1 0 0
Espresso 9 1 1 3 2 1 1
Unreal Engine 9 0 3 0 0 3 3
LDAP 9 1 3 0 3 1 1
ArcGIS 9 2 2 0 1 3 1
XPath 9 0 0 1 2 5 1
InfluxDB 8 0 0 2 1 3 2
Akka 8 0 0 3 2 1 2
Qlik 8 1 2 1 2 1 1
JMS 8 3 4 0 1 0 0
ROS 8 1 1 3 0 2 1
WebGL 8 1 1 1 1 3 1
Teradata 8 1 4 2 0 1 0
Spark (Java) 8 0 2 1 3 1 1
Serverless 8 2 1 3 2 0 0
PostCSS 8 3 3 1 1 0 0
security testing 8 1 4 2 0 0 1
GeoServer 8 0 5 0 1 1 1
Redshift 7 1 2 1 0 2 1
TestRail 7 1 3 2 1 0 0
Graylog 7 0 1 0 1 3 2
CD 7 1 0 1 3 1 1
Solr 7 1 1 2 1 0 2
OpenStack 7 1 0 0 4 2 0
UIKit 7 1 2 0 2 2 0
Capacitor JS 7 0 0 5 1 0 1
OpenShift 7 1 0 3 1 2 0
Clojure 6 0 0 1 0 4 1
Erlang 6 1 0 0 1 2 2
ZooKeeper 6 1 0 1 0 1 3
WebSphere 6 1 2 0 1 0 2
Jasper 6 3 2 0 0 0 1
Sentry 6 2 0 1 3 0 0
Snowflake 6 1 1 1 1 2 0
Haskell 6 0 0 1 1 1 3
Vault 6 0 2 2 2 0 0
HBase 6 2 1 0 1 1 1
ELB 6 0 1 2 0 2 1
Framework7 6 1 1 1 1 0 2
Babel 6 0 1 2 1 2 0
Truffle 6 0 0 3 0 3 0
IBM Db2 6 1 1 2 0 2 0
Enzyme 6 0 1 4 1 0 0
DAX 6 1 1 0 0 1 3
Karma 5 0 1 4 0 0 0
product management 5 0 0 4 0 1 0
MyBatis 5 1 0 1 2 0 1
Podman 5 0 1 2 2 0 0
Ember.js 5 0 3 0 1 1 0
Consul 5 1 1 2 0 0 1
Camel 5 0 0 1 3 0 1
Nagios 5 1 1 2 0 1 0
Datadog 5 0 1 2 1 0 1
KVM 5 0 0 2 1 1 1
Helm 5 0 3 0 1 1 0
Chart.js 5 1 1 0 3 0 0
PixiJS 4 0 1 0 0 3 0
Protractor 4 0 2 0 0 0 2
Beats 4 0 0 1 1 0 2
Zend 4 0 0 1 1 2 0
SAP IQ 4 1 0 1 2 0 0
Chai.js 4 0 2 0 1 1 0
ActiveMQ 4 0 1 2 1 0 0
Julia 4 0 1 0 0 2 1
Cocoa 4 1 2 0 1 0 0
protobuf 4 0 0 1 2 0 1
Foundation 4 0 0 1 1 1 1
MobX.js 4 1 0 1 2 0 0
CodeIgniter 4 1 2 0 0 1 0
Looker 3 0 0 2 0 1 0
SaltStack 3 0 0 1 1 1 0
Kinesis 3 0 0 1 0 1 1
Databricks 3 1 0 0 0 1 1
SpecFlow 3 1 1 0 1 0 0
XCUI 3 0 1 0 2 0 0
F# 3 0 0 0 0 2 1
Deno 3 0 1 1 1 0 0
BitBar 3 0 1 2 0 0 0
Puppet 3 0 1 1 0 1 0
Aurelia 3 0 0 2 0 0 1
ClickHouse 3 0 0 0 1 2 0
JMeter 3 1 0 0 1 0 1
Ionic 3 0 0 1 1 0 1
WildFly (JBoss) 3 0 2 1 0 0 0
Neo4j 3 0 1 1 1 0 0
Flux 3 1 0 1 1 0 0
RxJava 3 0 0 2 1 0 0
Hasura 3 0 1 1 1 0 0
Vercel 3 1 0 0 0 2 0
Moralis 3 1 0 0 1 0 1
Svelte 3 0 2 0 0 0 1
Shopify 3 1 1 1 0 0 0
Spock 2 1 0 0 0 0 1
Vertica 2 0 0 0 0 1 1
Progress 2 0 1 1 0 0 0
Dropwizard 2 0 1 1 0 0 0
Flink 2 0 0 0 1 1 0
Gliffy 2 0 0 1 1 0 0
Fastlane 2 1 0 0 1 0 0
NiFi 2 1 0 0 0 1 0
Fiddler 2 1 0 0 0 0 1
WebdriverIO 2 0 0 0 1 0 1
Splunk 2 0 0 2 0 0 0
Crystal 2 0 0 1 1 0 0
Grunt 2 0 0 1 0 1 0
Envoy 2 0 0 0 1 0 1
Phoenix 2 1 1 0 0 0 0
Lucene 2 0 1 0 0 0 1
Selenide 2 2 0 0 0 0 0
SQLAlchemy 2 0 0 0 1 1 0
EDI 2 0 1 0 0 0 1
Vaadin 2 1 0 1 0 0 0
ABAP 2 2 0 0 0 0 0
ElastiCache 2 1 1 0 0 0 0
Sauce Labs 1 0 0 1 0 0 0
Jaeger 1 0 0 0 1 0 0
Greenplum 1 0 0 0 0 0 1
Quarkus 1 0 0 1 0 0 0
LiveView 1 1 0 0 0 0 0
Hardhat 1 0 0 1 0 0 0
Sanity.io 1 0 0 0 0 1 0
Micronaut 1 0 0 0 0 0 1
WAF 1 0 0 1 0 0 0
Seldon 1 0 0 0 0 0 1
Couchbase 1 0 0 0 1 0 0
dbt 1 0 0 0 0 1 0
OpenLayers 1 0 1 0 0 0 0
RSpec 1 0 1 0 0 0 0
MLflow 1 0 0 1 0 0 0
Parse Server 1 0 1 0 0 0 0
InDesign 1 0 1 0 0 0 0
Fastly 1 1 0 0 0 0 0
ProxySQL 0 0 0 0 0 0 0
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