Java, Spring Framework (Core, Data, Boot, Batch, Cloud, Security, Retry, MVC, AOP, Reactor), MapStruct, Lombok, WebFlux, Hibernate, JPA2, Kafka, Flyway, Microservices Architecture, Docker, Kubernetes, PostgreSQL, MongoDB, Redis
       .NET Core, ASP.NET Core MVC, ASP.NET Web API, ASP.NET MVC, Xamarin.Forms, WPF, UWP, Stateless Architecture, Microservices, Azure Cloud (App Service, IoT Hub, Event Hub)
      Ruby on Rails, Sinatra, Hanami, Padrino, Volt, EventMachine, Rack, Sidekiq, GraphQL, Web Socket, Swagger, JWT, OAuth
      DUKPT, Laravel, Symfony, Yii2, WordPress, Drupal, MySQL, MongoDB, PostgreSQL, REST/SOAP/GraphQL API, OAuth, HTML, Twig, Swagger, Redis, ElasticSearch, Docker, Stripe, PayPal
      Django, Django Rest Framework, Flask, FastAPI, AsyncIo, AioHttp, Tornado, Celery, Microservices Architecture, Docker/Kubernetes, PostgreSQL, MySQL, MongoDB, Redis, DynamoDB
      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
      NestJS, Koa, MongoDB, PostgreSQL, AWS
      Go, gORM, Gin, protobuf, gRPC, AWS, GCP, Docker, Redis, MongoDB, PostgreSQL