Salesforce:

Integrations, workflows, apex (class, trigger, webservice) with customization by custom settings & custom metadata, site end point to get data from another services, working with salesforce API , scheduled works with batches, apex tests, Salesforce DX, Pardot, Heroku, Lightning, Aura, LWC, LWR.

Salesforce trailhead :

https://www.salesforce.com/trailblazer/akaplunov

Salesforce Certificates :

Salesforce Certified Platform Developer I

Form Assembly Certificate :

http://verify.skilljar.com/c/th6k9uv7rne6

С#(.NET, Windows Forms, Salesforce Toolkit, Xamarin(mac os, ios, android), WPF, ADO.NET, Kinect SDK, NHibernate, CQRS, Rx, Multithreading, DevExpress Controls), С++(Windows, Arduino), Java (Windows, Android), Assembler, Apex, Unity3d(basics), Design Patterns, Onion Architecture, REST Architecture.