Rafael Subhangulov - Expert Software Developer
19 years of experience in Backend and Android development with a passion for Linux and system administration.
Professional Summary
Senior Software Developer with almost 20 years of experience in backend, Android mobile, desktop apps, apps for embedded devices, ERP apps and web development. Proficient in developing applications in wide range of areas, including business applications and database management. Have high attitude expertise in Linux OS management, including building automated servers with set of services/tools for different purposes, virtualization tehcnologies like KVM/libvirt, containerization technologies like LXC, Docker, Kubernetes.
Technical Skills
Programming Languages
  • Java
  • Kotlin
  • C
  • C++
  • Rust
  • Go
Technologies & Tools
  • Spring, Micronaut, Dropwizard, Quarkus
  • Git, GitHub, DevOps, Docker
  • KVM, libvirt, containerization, CI/CD
  • Zabbix and monitoring tools
Operating Systems
  • Linux (Fedora, RedHat, CentOS, Ubuntu, Debian)
Current Role: Independent Contractor
Backend & Android Development
Java, Kotlin, C, Rust, Go apps with backend frameworks and databases like SQLite and PostgreSQL.
Device & Network Integration
HTTP/HTTPS, REST API, Network Sockets, GPS, Sensors, Cards, Bluetooth/COM/USB communication.
Lead Developer at OXY (2021–2023)
1
Secure Messenger Backend
Led development with Java, Dropwizard, and Micronaut, implementing end-to-end encryption.
2
Videoconferencing Backend
Built backend and deployed infrastructure on Linux using Docker and Nginx.
3
System Design
Ensured scalability and reliability of services.
Android Developer at Qv21 Technologies (2014–2020)
Tracking & Data Collection
Developed logistics app with FMCSA regulation management and telemetry tracking.
Technology Stack
Java, Kotlin, GPS, Bluetooth/USB communication, SQLite database.
Earlier Roles & IT Infrastructure
Dr. Deco (2010–2013)
Developed business apps (1C) and managed IT infrastructure with libvirt/KVM virtualization.
Iterma & IQ-Systems (2006–2010)
Software development with C++, 1C, PHP, and T-SQL for business applications.
ABAK (2004–2006)
Hardware engineer focused on testing and production of computer hardware.
Education & Languages
Education
Self-directed IT education since 1991, focused on computer science and programming.
Languages
  • English: Conversational
  • Russian: Native or Bilingual
  • Arabic: Conversational
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