Sketch, Figma, Adobe XD, InVision Studio, Proto.io, Marvel, Zeplin, Flowmapp, Balsamic, Hotjar, Adobe Collection

Angular, Angular material, KendoUI, Ant Design, PrimeNG, Bootstrap, DevExtreme, Nebular, Ag Grid;NgRx, NGXS, MobX, Akita; D3.js, ngx-translate, Formly, Nx, cytoscape.js, Ionic, Angular CDK, Chart.js

Vue, Vuex, Vue Router, Vue Test Utils, NuxtJS, Framework7, Vue Loader, Vite, Vue CLI, Vue Meta, Vue I18n, Vuelidate, vue-chartjs, Vuetify, Element UI, Quasar Framework, Bootstrap Vue, Rollbar, Auth0

Material, Ant Design, Apollo GraphQL, Protractor, Jasmine, Jest, Enzyme, Mocha, Electron, SSR, Lodash, Date-FNS, CSS, SASS/SCSS, LESS, Lerna, TypeScript

PHP, AMP V3, ReactPHP, DUKPT, Laravel, Symfony, Yii2, Laminas, Magento, PrestaShop, OpenCart, WordPress, Drupal, Joomla, PHP::FFI, PHP::JIT, MySQL, MSSQL, MongoDB, PostgreSQL, REST/SOAP/GraphQL API, JWT, OAuth, HTML, Twig, CSS, SASS/SCSS, LESS, Web Socket, Swagger, Redis, ElasticSearch, Docker, Vagrant, AWS SQS, Payment systems integrations (Stripe, Coinbase, Circle, PayPal, Authorize.net), social integrations (Facebook, Google), Firebase CM, WebRTC, Video Streaming

NestJS, Koa, Express, RxJS, MongoDB, PostgreSQL, MySQL, GraphQL, Mongoose, TypeORM, Sequelize, Passport, Knex, AWS (Lamda, EC2, RDS)

Java SE/EE, Kotlin, Scala, Groovy, RxJava, Spring Framework (Core, Data, Boot, Batch, Cloud, Security, Retry, MVC, AOP, Reactor), MapStruct, Lombok, Feign, WebFlux, Vert.x, jOOQ, Hibernate, JPA2, QueryDSL, Kafka, RabbitMQ, ActiveMQ, IBM MQ, Apache Spark, Apache NiFi, Apache Camel, Flyway, Liquibase, Keycloak, Microservices Architecture, ELK, Prometheus, Grafana, Splunk, AppDynamics, Docker, Kubernetes, OpenShift, REST, WebSockets, RSocket, SOAP, GraphQL, GWT, DB (Oracle, PostgreSQL, MySQL, MongoDB, Cassandra), Lucene, Solr, ElasticSearch, Redis, Ehcache, Hazelcast, Caffeine, Camunda, Activiti, Zeebe, jBPM, Flowable, JUnit, TestNG, Mockito, Cucumber

Django, Django Rest Framework, Flask, FastAPI, AsyncIo, AioHttp, Tornado, Celery, Microservices Architecture, Docker/Kubernetes, PostgreSQL, MySQL, MongoDB, Redis, DynamoDB, REST API, GraphQL, Web Socket, Swagger, JWT, OAuth

Java, Kotlin, MVP, MVVM, Clean Architecture, Multi-module architecture AAC (ViewModel, LiveData, Lifecycle, Navigation Component, Paging), Dagger2 + Hilt, Toothpick, Moxy, Cicerone, RxJava 2, Coroutines, Retrofit, kotlinx Serialization, ViewBinding, DataBinding, JUnit, Mockito, MockK, Robolectric, detekt, ktlint

Objective-C, Swift, MVP, MVVM, Clean Swift SnapKit, XIB, SwiftUI, GCD, RxSwift, Combine, Swinject, Alamofire, URLSession, AVFoundation, MapKit + CoreLocation, WatchKit, WatchConnectivity, XCTest, SwiftLint

STL/C++11/14/17/20, GCC, CLang, MSVC++, WinDBG, GDB, Visual Studio, QTCreator, VIM, VSCode, CMake, Makefile, Ninja, Conan, Vcpkg, Boost, opencv, poco, protobuf, gRPC, fmt, pybindll, spdlog, ranges_v3, tensorflow, opencl, Asio++, gtest/gmock, cppunit, QT, catch2, google profiler, pytorch c++, chromium

React, React Redux, React Admin, React-Draggable, Immutable, Reselect, Redux, Redux-Thunk, Redux-Saga, Redux-Persist, Redux-Intl, Redux-Form, Formik, RxJS, Nx, React-i18n, React-Native, React-Navigation, React-Router-DOM, Three.JS, Styled-Components, NextJS

.NET Core, ASP.NET Core MVC, ASP.NET Web API, ASP.NET MVC, ASP.NET Web forms

Unity, Godot, Blender, Krita, Amplify Shader Editor, MapBox SDK, Unity IAP; Firebase SDK; ARCore, AR Foundation, ARKit, Vuforia; Google VR SDK, Steam VR SDK; Unity XR Platform SDK

Ruby on Rails, Sinatra, Hanami, Padrino, Volt, EventMachine, Rack, Sidekiq, GraphQL, Web Socket, Swagger, JWT, OAuth

Go, gORM,Gin, protobuf, gRPC, AWS, GCP, Docker, Redis, Mongo DB, PostgreSQL

JavaScript, React, React Native, React Navigation, Redux, Redux-Saga, Redux-Persist, Redux-Offline, Redux-Thunk, RxJS, TypeScript, Apollo GraphQL, StyleSheet, React-Form-Hook, Firebase, Hasura, i18n, Styled-Components

Rust, Rustup, Cargo, clap, structopt, argh, actix-web, gotham, nickel, rocket, axum, tide, warp, yew, wasm-bindgen, js-sys, web-sys, gloo. Games: amethyst, bevy, fyrox, piston, nannou, ggez, godot, raylib, SFML.

Unreal Engine, C++, C, C#, Blueprints, UAT, UE4 Shader Graph, Unity URP HLSL, OpenGL ES

Dart, Bloc, Clean Architecture, Multi-Package architecture Flutter, Flutter Web, Dart async, RxDart, Dart Streams, Navigator 2.0, GetIt, Dio, GraphQL, linter (effective dart style), Mocktail, Bloc Test

C#, Xamarin.Native (Xamarin.iOS, Xamarin.Android, Xamarin.Mac), Xamarin.Forms, Visual Studio, Electron

Cobol, GnuCOBOL, VSAM, JCL, TSO/ISPF, XPEDITER, FileAid, Changeman, CICS, Hostbridge, SQL/DB2, Endevor, Visual Studio, TACL, FTP, SFTP, SCOBOL, DDL, ENFORM, eInspect, Batchcom