Internet / Intranet

• HTML, XHTML, Bootstrap, XML, DHTML, CSS, JSON, HTTP
• JQuery, Ajax, Java Script
• Python, .NET Framework, REST, RPC

(GUI) Desktop applications

• Python, Microsoft .NET Framework

Database servers

• PostgreSQL
• Microsoft SQL Server
• MySQL
• NoSQL Database servers

Cryptography and Security

• PKI, X509 Certificate, CRL, OCSP, TimeStamp, Digital Signatures, Digital Verification, Digital Authentication, ASN1
• HASH, HMAC (SHA-224, SHA-256, SHA-384, SHA-512)
• PKCS1, PKCS7, PKCS10, PKCS11, PKCS12, PKCS15
• Elliptic Curves, RSA, AES256, TwoFish, IV, RNG
• HSM, Wrap keys, Unwrap keys, Signing, Encryption
• One Time Password (OTP)
• Blockchain criptography

Networking and System Administration

• Build, configure and maintain computer networks
• Administration of servers, networks, client workstations platforms
• Server: Linux, Windows servers
• Client: Linux, Windows
• Technival support: Linux Shell scripting, firewalls, Email, DNS, FTP, SSH\SSL\TLS\GPG\LUKS\OpenSSL, Web, Repository, VPN...

Financial experts

• MetaTrader - MQL4, MQL5
• Time series, Neural networks, Financial Algorithms
• Algo-Trading solutions, Expert systems

AI

• Neural Networks
• Time Series

Blockchain, Distributed ledger

• Cryptocurrency explanation and solutions
• Custom blockchain solutions
• Cryptocurrency nodes, wallets, cryptography
• Smart contracts
• Mining performance, optimisations, mining solutions