design and programming:

- frontend / web systems (websites / websites / online stores, CRM and CMS systems (WordPress etc.))

- backend systems (API, Web Service (REST, SOAP), dedicated server-side systems, middleware, SOA, data processing, databases, data warehouses, cloud)

- mobile applications: Android, iOS

- bot, internet bot (headless, backend, java, PHP, python, selenium, avoiding reCAPTCHA), a program that performs certain activities instead of a human

- databases, data processing, scripts, functions, stored procedures, SQL, PL / SQL, Oracle, MySQL, PostgreSQL, individual script orders for data processing for ready systems (frontend, backend, cms - WordPress, etc.)

- batch processing systems - batch (a comprehensive solution to enable the development of batch applications - mass data processing)