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Is it really a Singleton?

2021-02-02Development, Tips & Tricks1 Comment

Recently, I have investigated a defect that is interesting to share. As part of our operations, we need to be able to run tools, which will invoke APIs on different AWS services. For example, one common tool is to run […]

The Mossad Challenge 2018 – Entry Riddle

2018-04-202019-01-31Cyber Security3 Comments

For the Israeli independence day, the Mossad published a new challenge. When I have some free time I try to crack it and enjoy learning new stuff in the process 🙂 Let’s start? If we’ll go the the Mossad webpage, […]

Marking field as required when using Lombok Builder

2018-03-28Development, Tips & Tricks4 Comments

The builder pattern is nice and useful, and using Lombok @Builder annotation instead of implementing it each time can save a lot of time. However, there is one problem with this. You can’t really define a required field. For example, […]

Simple item versioning with DynamoDB

2018-03-262018-03-28DevelopmentNo Comments

Occasionally you want to store information in a database with keeping versioning, so you will be able to retrieve previous versions of the record. In this example, we will use AWS DynamoDB and take advantage of some of its features. […]

Life got much easier – Using Lombok with Java

2018-03-122018-03-28Development, Tips & TricksNo Comments

After more than 5 years programming in C++, recently I’ve started my first steps programming in Java. There are many differences and I’ll try to share some tips that will make your lives better 🙂 First one is Project Lombok. […]

How to consume all messages from an SQS queue ?

2018-01-142018-03-29Tips & Tricks1 Comment

My goal was finding an AWS service that will answer the following requirements: Store large amounts of data (split into small chunks) reliably. Accessible from multiple zones/regions. Low read/write latencies. Cheap enough. SQS is a powerful service that is really […]

SQS Benchmark (with large messages)

2017-07-272018-03-28Development2 Comments

Amazon Simple Queue Service (Amazon SQS) is a scalable and fully managed message queuing service that allows users to transmit any amount of data through the web without administrative responsibility. Recently, I tried to evaluate whenever the SQS service will […]

Serverless On-call duty notifier – Part 2

2017-07-242018-03-28DevelopmentNo Comments

In the previous blog post, I’ve described how to build a simple SMS notification system using DynamoDB, SNS and AWS Lambda. In this post, I’ll show how to change it in order to allow each user to choose whenever he […]

Serverless On-call duty notifier – Part 1

2017-06-282018-03-28Development1 Comment

As many engineers in the industry, we have on-call duty. The on-call duty is defined at the beginning of each month and the list of the on-call engineers for each date can be found in an excel sheet. Well, this […]

Getting the right Jenkins build number using Python

2017-06-272018-03-28Tips & TricksNo Comments

One of the jobs in our CI pipeline is responsible for compiling, building and packing the code. The artifacts of the job is a directory on our storage with the build number and all the artifacts that are related to […]

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About Me

I have over fifteen years of experience designing, building, testing and delivering enterprise-grade software in various fields. Today, I am employed as a Senior Software Engineer at Amazon Web Services (AWS), working on the next cutting edge technology in the cloud computing field. I am passionate about technology and primarily blog about software engineering, programming tips, cloud computing and how to increase your productivity and overall design/code quality.

My formal education is BSc. degree in Electrical Engineering and outside of work I spend most of my time traveling, reading and photographing.

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Recent Posts

  • Is it really a Singleton?
  • The Mossad Challenge 2018 – Entry Riddle
  • Marking field as required when using Lombok Builder
  • Simple item versioning with DynamoDB
  • Life got much easier – Using Lombok with Java

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  • Development (12)
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API AWS Azure Bash Brainfuck C++ Challenge Cloud Cloud Bursting Database DevOps Disassembly DLL Documentation DynamoDB Guice Java Jenkins Mossad NoSQL Performance Python Security Serverless Singleton Testing Unit Tests WebService
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