I design and build scalable, cloud-native backends with clean, testable architectures.
Latency budgets, resilience, and observability are my daily bread.
I enjoy mentoring, empathetic code reviews, and automating everything that can be automated.

Current Workplace
Rise Technology, Consulting & Academy — Software Engineer

.NET • ASP.NET Core • C# • Entity Framework Core • REST & gRPC • SQL Server • PostgreSQL • Redis • Azure Service Bus • Apache Kafka • Docker • Kubernetes (AKS) • Azure API Management • Azure DevOps (CI/CD) • Terraform • OpenTelemetry • Serilog + ELK • Prometheus + Grafana

• Scalable APIs — versioned REST/gRPC, caching, pagination, and resiliency patterns (retry with jitter/backoff, circuit breaker).
• Clean Architecture — domain-centric design, bounded contexts, vertical slices, MediatR/CQRS where it adds value.
• Cloud-native Ops — CI/CD (Azure DevOps), IaC (Terraform), Docker/K8s, blue-green/rolling deployments.
• Observability-first — traces/metrics/logs with OpenTelemetry, Grafana/Prometheus, Serilog/ELK.

• Uyanla — A minimal productivity app that builds focus and habits with a 1-minute daily flow (quote → micro-task → note). Google Play
• Color Matching — Casual color-matching puzzle with limited moves and quick sessions. Google Play
• Rock Paper Scissors — Lightweight, fast rock-paper-scissors experience. Google Play
• Orbit Runner — Arcade space runner: exploit planetary gravity, dodge obstacles, chase high scores; 60 FPS with haptics. Google Play
• Shadow Courier — Stealth-runner delivering packages through the shadows. Google Play
• Menja — Minimal reflex/reaction game focused on timing and flow. Google Play

• Kamp Yolu — Camping & caravan content hub. Site
• Oto Macerası — Automotive reviews and guides. Site
• Posiyer — Team habits & task management SaaS (Backend: .NET Core, MSSQL; Frontend: Angular; CI/CD). Site
• 3Digimeet — Interactive events platform for webinars & virtual fairs. Site

Full list and visuals: hakanguzel.com.tr/Projects

• Automated tests (unit/integration/contract), test containers, ephemeral environments.
• Performance profiling (BenchmarkDotNet), load testing (k6), SLO/SLA mindset.
• Secure by default: secrets management, least privilege, input validation, threat modeling.

Future Goal: To contribute to open source.
Open to PRs for libraries, sample projects, and guides. Feel free to open issues!

{
  "workplace": {
    "company": "Rise Technology, Consulting & Academy",
    "position": "Software Engineer"
  },
  "dailyKnowledge": [
    ".NET",
    "ASP.NET Core",
    "C#",
    "Entity Framework Core",
    "REST & gRPC",
    "SQL Server",
    "PostgreSQL",
    "Redis",
    "Azure Service Bus",
    "Apache Kafka",
    "Docker",
    "Kubernetes (AKS)",
    "Azure API Management",
    "Azure DevOps (CI/CD)",
    "Terraform",
    "OpenTelemetry",
    "Serilog + ELK",
    "Prometheus + Grafana"
  ],
  "futureGoal": "To contribute to open source."
}