👋 Hi, I'm Allar

I worked 10+ years in construction (ventilation, 3D/BIM).
Now I build software in C/C++ and TypeScript.

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About me

• Based in Finland, studying at Hive Helsinki (42).
• Strong in C / C++ (concurrency, optimization, memory), and backend with TypeScript/Node.js.
• Comfortable with Docker/Kubernetes, AWS, and observability (Prometheus, Grafana).

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What I’m focusing on now

C / Modern C++ (17/20/23) Concurrency & profiling Real-time systems

Node.js / TypeScript (Fastify) REST & WebSockets OAuth2/JWT

Docker & k8s AWS (Lambda/SQS/DynamoDB) Observability (Prom/Grafana)

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Languages I use

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Tech I’ve used

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42 – Projects

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Other projects

• Venttools (Angular/TypeScript) – Calculates ventilation installation times (Finnish TES).
  Cloud-deployed, with Prometheus + Grafana dashboards; validated with Solibri.
  🔗 Repo

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Want to learn next

• Deeper .NET/C# for desktop + services
• gRPC / Kafka / RabbitMQ patterns
• Signal processing basics (FFT, spectrograms)
• Rust for systems programming
• Godot for making some games

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Contact

• 📧 Email: allarklein@gmail.com
• 💼 LinkedIn: https://linkedin.com/in/allarklein
• 🐙 GitHub: https://github.com/Wassaaa