Available for opportunities

Muzaffer Beysan Kalem

const role = "Software Engineer | Backend & System Design Specialist"

Building reliable, scalable backend architectures with C# / .NET Core, PostgreSQL, and modern web tech. AI-assisted development workflow enthusiast.

Osmaniye, Turkey
01

Core Tech Stack

The tools and technologies I use to design and ship reliable software.

Backend & API

C#.NET CoreRESTful APIRabbitMQGoOOPClean Code

Database

PostgreSQLSQLiteVeritabanı TasarımıQuery Optimization

Frontend & Mobile

React.jsFlutterDartUI/UX

AI Dev

CursorGitHub CopilotClaudeGemini

Architecture & DevOps

System DesignOpenMP/MPIDockerGitLinuxCoolify
02

Featured Projects

A selection of work spanning backend systems, desktop apps, and academic research.

In Progress

NexusApp — Indie Control Center (ICC)

Desktop app for indie hackers managing revenue tracking, deployments (CI/CD), and user data in one dashboard. Local-first architecture (SQLite, Drift) synced with Supabase & PowerSync, Go BFF layer, Stripe webhooks.

FlutterDartGoSQLiteSupabasePowerSyncStripeCoolify

Kurumsal E-Dönüşüm & Muhasebe Platformu

Enterprise e-transformation web & backend service architecture. Layered architecture (Controller → Service → Repository → DbContext), JWT security, RabbitMQ message queues.

C#.NET CorePostgreSQLRabbitMQReact.jsSwagger
Academic

Paralel & Dağıtık Sistemler

High-performance parallel computing with C (OpenMP/MPI) and Java TCP sockets for distributed memory scenarios and network communication.

COpenMPMPIJava Sockets
03

Experience

Where I've built and shipped software.

  1. Junior Software Developer

    Sep 2024 – Jul 2025

    RTC Teknoloji A.Ş.

  2. Software Engineer Intern

    Jul 2024 – Oct 2024

    RTC Teknoloji A.Ş.

  3. Independent Projects

    Oct 2023 – Present

    Freelance Software Developer

04

Education & Reference

İnönü University

Software Engineering B.Sc.

GPA: 3.00 / 4.002021 – 2026
Verified Reference

Ferhat Tokmak

General Manager

RTC Teknoloji A.Ş.

05

Get In Touch

Have a project in mind or just want to connect? Let's talk.