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berk2k/README.md

Hi! I am Berk Polat 👋

I build backend systems and explore distributed systems concepts through code, writing, and open source.
I’m especially interested in reliability, observability, performance, and the trade-offs behind how systems behave under real conditions.

Writing about software engineering: https://medium.com/@berk2k

Maintainer of FlowMediator - explicit CQRS flow for .NET: https://github.com/berk2k/FlowMediator

Tech Stack

Backend & Systems Go .NET C# Node.js TypeScript
Messaging & Observability RabbitMQ AWS SQS OpenTelemetry Prometheus Grafana
Databases & Storage PostgreSQL SQL Server Redis AWS S3 AWS DynamoDB Backblaze B2
Cloud & DevOps Docker Terraform GitHub Actions Azure

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  1. FlowMediator FlowMediator Public

    An opinionated mediator library for clean application flow and CQRS-based projects.

    C# 4

  2. In-memory-broker In-memory-broker Public

    Message broker with lease-based delivery, DLQ, observability, and optional WAL persistence.

    Go 2

  3. transcodeX transcodeX Public

    Video transcoding pipeline: Go workers, SQS job queue, S3 storage, FFmpeg.

    Go 2

  4. pressure-lab pressure-lab Public

    An experimental Go project to study how a network-facing backend system behaves under load, focusing on backpressure, admission control, and recovery.

    Go 2

  5. log-processing-pipeline log-processing-pipeline Public

    A production-style, backpressure-aware log processing pipeline built to explore Go concurrency, auto-scaling worker pools, and graceful shutdown under load.

    Go 2

  6. posix-concurrency-systems posix-concurrency-systems Public

    MapReduce-style parallel sorting and max aggregation using POSIX concurrency primitives.

    C 2