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nekzabirov/README.md

Nekbakht Zabirov

Software Architect · iGaming · High-Load Systems
I design and build backend systems that handle money, traffic and failure without blinking.

X Kyiv, Ukraine 8+ years


Who I am

Backend engineer and architect with 8+ years in software, specialising in iGaming and high-load distributed systems. I started in mobile (Android, Kotlin Multiplatform) and moved down the stack to where the hard problems are: transactional consistency, throughput, latency and reliability of systems that process real money in real time.

I think in domains first and frameworks second. Clean boundaries, explicit contracts and event-driven communication are how I keep large systems understandable as they grow.

What I do

  • iGaming platforms — casino and betting backends: player accounts, wallets, payments, game provider integrations, bonuses and engagement, back-office tooling
  • High-load backends — services built for high RPS, low latency and horizontal scale
  • Financial-grade transactions — idempotency, exactly-once effects, ledgers, reconciliation
  • Distributed architecture — microservices, event-driven design, gRPC contracts, multi-tenant systems
  • Cloud infrastructure — Kubernetes, GitOps, infrastructure as code, observability

How I build

  • Domain-Driven Design, Clean / Hexagonal Architecture, CQRS
  • Event-driven integration over shared databases
  • Contract-first APIs with gRPC and Protobuf
  • Architecture rules enforced by tests, not by convention
  • Observability from day one: metrics, tracing, structured logs

Tech stack

Tech stack

Languages: Java, Kotlin, Rust, TypeScript
Frameworks: Spring Boot, Ktor, tonic, Vue
Messaging & APIs: gRPC, Protobuf, RabbitMQ, Kafka, WebSockets
Data: PostgreSQL, Redis
Infrastructure: Kubernetes, ArgoCD, Terraform, AWS, Docker, Grafana, Prometheus

Contact

Open to architecture consulting and challenging high-load projects. Reach me on X.

Pinned Loading

  1. JetBrains/compose-multiplatform JetBrains/compose-multiplatform Public

    Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

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  2. awesome-igaming awesome-igaming Public

    A curated list of open-source software, specifications, and resources for building iGaming, online casino, and sports betting platforms.

    9 9