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hidayatarg/README.md

Hi, I'm Hidayet(Hida.) Arghandabi 👋

Senior Software Engineer | Distributed Systems | Cloud & AI Engineering

.NET · Go · TypeScript · Python · AWS · AI Agents · LLM Integration

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About me

I'm a Senior Software Engineer with 9+ years of experience building scalable backend and full-stack systems for international clients across fintech, digital payments, banking, telecommunications, and hospitality.

My core expertise is in C# / ASP.NET Core, Go, TypeScript / Node.js, Python, and AWS, with a focus on distributed systems, microservices, event-driven architecture, system design, and cloud-native applications. I've worked on payment workflows involving settlements, fund transfers, refunds, reversals, reconciliation, and high-volume asynchronous processing.

At Plan A Technologies, a US-focused software consultancy, I work across enterprise client projects involving backend platforms, microservices, frontend applications, cloud infrastructure, and AI integrations. I've also held an engineering resource-management role overseeing nine software engineers.

I'm increasingly focused on production-oriented AI engineering: integrating LLMs, retrieval-augmented generation (RAG), vector databases, Model Context Protocol (MCP), and agentic workflows into reliable backend services.

  • 🏗️ Engineering: Distributed systems, microservices, DDD, CQRS, REST, gRPC, messaging, and performance engineering
  • ☁️ Cloud: AWS, Docker, Kubernetes, CI/CD, and cloud-native deployment
  • 🤖 AI: LLM integration, RAG, AI agents, MCP, and vector search
  • ✍️ Community: Open-source projects and technical articles on backend engineering and DevOps
  • 🌍 Collaboration: Remote and international teams; open to relevant engineering opportunities

Technology stack

Area Technologies
Languages C#, Go, TypeScript, JavaScript, Python, SQL
Backend ASP.NET Core, .NET, Node.js, REST APIs, gRPC, microservices
Frontend React, Angular, React Native
Cloud & DevOps AWS (Lambda, EC2, S3, SQS), Docker, Kubernetes, Jenkins, Azure DevOps, CI/CD
Data & Messaging SQL Server, PostgreSQL, MongoDB, Redis, Elasticsearch, RabbitMQ, Kafka
AI Engineering LLM APIs, RAG, vector databases, MCP, AI agents
Architecture Distributed systems, event-driven architecture, DDD, CQRS, system design

Selected open-source projects

These are public repositories and technical examples, distinct from the proprietary systems I've worked on professionally.

Project What it demonstrates
ASP.NET Microservices Microservices architecture using ASP.NET Core
AWS Microservices Cloud and microservice development with AWS
TypeScript Generic Blockchain Blockchain concepts and TypeScript development
React + ASP.NET Core Music Store Full-stack application with ASP.NET Core Web API, React, PostgreSQL, and JWT authentication
Jenkins + .NET Core + Ubuntu CI/CD and deployment automation
React Türkiye SVG Map Reusable React map component

Current focus: Building stronger public examples of AI-powered backend systems, including RAG, MCP-based integrations, evaluation, and production deployment patterns.

Experience highlights

  • Plan A Technologies — Senior Software Engineer (2021–Present): Enterprise backend and full-stack engineering, payments, distributed systems, cloud deployments, and AI integration for US clients.
  • Plan A Technologies — Resource Manager (2023–2025, concurrent): Engineering resource management for a team of nine developers.
  • TurkNet — Senior Full-Stack Software Engineer (2019–2021): Telecom billing and self-service systems, .NET Core, Go concurrency, React, Elasticsearch, and CI/CD.
  • AnkaGeo — Full-Stack Software Engineer (2018–2019): GIS, real-time WebSocket applications, Node.js, and TensorFlow-based traffic systems.
  • Nordex Group — Software Developer (2017–2018): Monitoring systems and ASP.NET development.
  • TÜBİTAK — R&D Software Developer (2016): Renewable-energy SCADA research and development.

For full work history and recommendations, see my LinkedIn profile.

Education & research

  • M.Sc., Computer Engineering — Istanbul Aydın University (2017–2020). Thesis research in blockchain and cryptocurrency systems.
  • B.Sc., Electrical & Electronics Engineering — Istanbul Aydın University (2013–2017). Graduated top of department; participated in the NASA CanSat competition.
  • Research interests include applied machine learning, distributed systems, and blockchain technologies.

Technical writing & collaboration

I share practical engineering knowledge on software architecture, .NET, Go, DevOps, cloud infrastructure, and emerging AI development techniques.


Interested in scalable backend systems, distributed architecture, or practical AI engineering? Feel free to connect.

Pinned Loading

  1. AspnetMicroservices AspnetMicroservices Public

    Asp.net Core 7.0 Microservice - I will keep this project Update with Asp.net core version. a good handcraft

    C# 9 1

  2. react-full-stack-Asp.netCore-MusicStore react-full-stack-Asp.netCore-MusicStore Public

    This is a Demo Projec. Backend in ASP.net Core Web API, Frontend: React.js, Database: PostGreSQL. #CRUD #JWT Authentication and Authorization

    C# 11 5

  3. Typescript-Generic-BlockChain Typescript-Generic-BlockChain Public

    A Generic Blockchain TypeScript Repository

    TypeScript 7 2

  4. AWS-Microservices AWS-Microservices Public

    JavaScript

  5. Jenkins.Dotnet.Core.Ubuntu Jenkins.Dotnet.Core.Ubuntu Public

    HTML 1 13

  6. t-shop t-shop Public

    an e-commerce free platform => under development

    JavaScript