Skills & Technologies
Grouped by tier so you can read this in 10 seconds. Expert = years of production work and architecture ownership; Proficient = shipped real projects independently; Familiar = working knowledge — comfortable reading, debugging, and contributing.
Systems & Backend
- Proficient
C / C++
1+ year prod · taught at university
C++17/20 — RAII, templates, smart pointers, STL, concurrency. Core business logic at QDSC; OOP-in-C++ instructor.
- Expert
C#
3+ years
Backend services, RESTful APIs, low-latency trading systems, socket programming.
- Proficient
.NET / .NET Core
3+ years
Concurrent services, EF Core, async patterns.
- Proficient
Python
1+ year
Django backends and APIs at Prestige Motors.
- Proficient
Node.js
3+ years
- Expert
RESTful APIs
7+ years
OOP, Patterns & Foundations
- Expert
Object-Oriented Design
7+ years
SOLID, Factory / Singleton / Observer, memory ownership.
- Proficient
Concurrency & Async
5+ years
Threading, async/await, RxJS reactive composition.
- Proficient
Cryptography (client-side)
<1 year
Encryption/decryption protocols and secure key handling at Hapalas Technology.
Frontend
- Expert
Angular (Signals / Zoneless)
6+ years
- Expert
TypeScript
6+ years
- Expert
RxJS
6+ years
- Proficient
React
3+ years
- Proficient
Next.js
2+ years
- Proficient
Ionic
2+ years
BlackCatCard / GEKKARD fintech apps (Android/iOS/web).
Infrastructure & Ops
- Proficient
Windows Administration
1+ year
Network infrastructure, deployments, security/backup protocols.
- Proficient
Networking (OSI/TCP-IP)
Taught at university
Routing protocols (RIP, OSPF), socket programming, network security.
- Proficient
Docker
3+ years
- Proficient
CI/CD
3+ years
- Expert
Git
7+ years
Databases
- Proficient
SQL Server
2+ years
- Proficient
PostgreSQL
1+ year
- Familiar
MongoDB
1+ year
- Proficient
IndexedDB
1+ year