I am highly skilled engineer and manager, who not only see the big picture, but can design and implement it, with excellent analytical and problem-solving skills, solid experience in service development, design of distributed systems, high availability database designs, data conversion, migration and integration of databases. Expertise knowledge in data mining, ingestion, consumption, disaster recovery and core analytics solutions. Extensive hands-on experience in Big Data migration projects, Data Analytics, Data Modeling and ETL.
I have a huge experience(over 15 years) in running technical teams from software developers, system and network administrators, and can be able to quickly evaluate project needs and provide appropriate solutions in a timely manner.
I developed a lot of, cloud based applications and projects for telecom companies like (A1, Telenor, Vivacom, Nexcom ...), which include plan, design and develop elements supporting B2B services, working closely with external solution and delivery partners.
The most interested projects:
Cloud Call Center Software for SaaS
Integration a web based (CRM|ERP|...) systems with Asterisk PBX
Data transformation system (ETL)
Cloud PBX, IVR, Queue Software for SaaS
Cloud invoice and billing system for SaaS
Webrtc2SIP gateway for SaaS
Similar service like Viber and Skype via WebRTC
A.I. Dialer (pre-dictive, power, agentless, preview)
Call routing and billing system
Network and service monitoring system
Telenor Bulgaria fix network
VoLTE Conferencing system
Realtime call transcription
Call tracking system
MCU Video Conferencing system
Chrome phone extension for CRM|ERP|... integration
My expertise:
Operating Systems
Linux, Unix (*BSD, Solaris, HP-UNIX), Windows, Cisco IOS, Mac OS, Android
Telecommunications
Asterisk, Kamailio, OpenSIPs, Cisco AS, Cisco IVR
Virtualization and Containers
VmWare, Proxmox, KVM, Vbox, Docker, LXC
Network protocols
VoIP (H323, SIP,MGCP, RTMPx), PSTN(ISDN, SS7, ITP, MAP), SNMP, SSH, DNS, POP3, IMAP, SMTP, FTP, HTTP, NFS, SSL, DHCP, BGP, OSPF, RIP
Programing Languages
JAVA (SE, EE, Spring, JDBC, JPA, JPQL, JSF, JSP, Servlets, Applets), PHP(3, 5, 7), JavaScript (jQuery), SQL(PLSQL, PGSQL), C / C++, Html, SSML, VXML, TCL-IVR, CSS
CI/CD
Ansible, JenkinsX
Architectures
REST, SOAP, WSDL, RPC, Microservices, Pub/Sub, Data transformation
DB and MB
PostgreSQL, MySQL, Oracle, Mongo, InfluxDB, Redis, RabbitMQ, Kafka
ETL
Apache NiFI
Application Servers
Apache, Sun GlassFish, Jetty, Tomcat
Version control
GIT, SVN, CVS
Development environments
Eclipse, IntelliJ IDEA, Android Studio, Atom