Hi, I’m Majid !

A Software Engineer & Data Enthusiast

My name is Majid Fatemian, and I’m a Principal Software engineer of Data Platform at Red Ventures, living in Montréal, Canada (🇨🇦) .
I’m passionate about building reliable and scalable software in distributed environments, and I found my home in Big Data Pipelines.
Connect with me at any of the conferences I present or on Twitter @majidfn.


Why load balancing gRPC is tricky?

  • 22 Dec, 2020
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gRPC is commonly used for microservices communication due to its performance, low latency and serialization capabilities. But gRPC connections are sticky. In fact they are too sticky that make the load balancing very tricky and difficult. It is important to understand why and what is a proper way to handle it to avoid services overloading and interruption.

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Two KMS keys, One alias

  • 05 Oct, 2019
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Two parameter store values using the same KMS key alias, one decrypts and the other raises an Access Denied exception, while the corresponding IAM role has access to that KMS key ARN.

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Securing MicroServices

  • 06 Sep, 2018
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With migration to MicroServices architecture, it is extremely critical for us to control which user/service has access to which other services and which actions are permitted or should be denied.

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Business value of Polyglot programming

  • 25 Apr, 2017
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When facing a technical problem, being technology agnostic enables you to pick the best tool for the job. You can also break a problem in to several smaller components and pick the best suitable technology for each.

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MySQL Memory engine index

  • 12 Mar, 2012
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By default, Memory Engine uses Hash index type to index the table, which will make it pretty much unusable and very slow performer for prefix matches and range look-ups.

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