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Software Engineer @ Refactor Logic
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Software Engineer @ Refactor Logic

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SadatArefin/README.md

Sadat Arefin Rafat

Full-stack Engineer

I build intelligent software that bridges business needs with technology—across commerce, finance, education, and automation. Currently pursuing an Executive MBA in Finance at University of Dhaka, integrating technical expertise with business strategy.

Technologies & Skills

Backend: .NET, Django, FastAPI, Node.js
Frontend: Angular, React, Blazor, Next.js, TypeScript
Mobile: Ionic, Flutter, MAUI
Databases: SQL Server, PostgreSQL, MongoDB, Redis
Cloud: Azure, AWS, GCP
DevOps: Docker, Kubernetes, Terraform, CI/CD (GitHub Actions, Azure DevOps)
AI/ML: PyTorch, TensorFlow, Hugging Face, OpenAI, LangChain
Messaging/Realtime: RabbitMQ, Kafka, SignalR
Architecture: Microservices, DDD, CQRS, Clean Architecture
Security: OAuth2, JWT, RBAC, Secrets Management
Exploring: Multi-agent AI, edge ML, Kubernetes operators, eBPF networking


Experience

Founder & Lead Engineer — Refactor Logic (2025–)

  • Built multi-tenant SaaS platforms and ML models for business automation.
  • Led product strategy, cloud architecture, and go-to-market for 6 products.

Software Engineer — HawarIT Limited (2023–2025)

  • Developed enterprise apps for Dutch manufacturers.
  • Improved sync and processing speeds, built cloud infrastructure, and mentored engineers.

Education

B.Sc in Computer Science & Engineering — Islamic University of Technology

  • Thesis: Image/Video Super Resolution with GANs

Notable Projects & Open Source

  • BizOps Central: Multi-industry business platform (.NET, Blazor, Azure)
  • Khuchra Workers: Freelance marketplace (.NET, Angular, Docker)
  • Crime Vision Toolkit: AI for law enforcement (PyTorch, YOLOv8)
  • Campus Launch: Student org platform (Next.js, MongoDB)
  • Terraform modules, Helm charts, documentation for Kubernetes/Terraform

Interests & Philosophy

  • Clean code, security-first, cloud-native design, automation
  • Technical writing (blog posts on cloud, MLOps, DevOps)
  • Reading (tech, business, philosophy)
  • Mission: Turning problems into business value through software

Connect

Location: Dhaka, Bangladesh (Open to relocation)
Languages: English, Bengali
Available for full-time roles, consulting, mentorship, and research collaborations.


"Make it work, make it right, make it fast – in that order." — Kent Beck

Thanks for visiting! Feel free to explore my repos or reach out for collaboration.

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