OfferUp

Staff Software Engineer - Business

Led a full-stack team of 8 engineers that's responsible for the ingestion, storage, retrieval, and life cycle management of all items and images on OfferUp.

Senior Software Development Engineer - Catalog/Motors

Software Development Engineer II - Catalog

Microsoft

Part of the Secure Token Service (STS) team, enabling secure and robust authentication solutions in Azure Active Directory.

Software Engineer, Azure Active Directory

Veritas Technologies LLC

Eliminated the need for any storage devices needed for debugging Veritas File System (VxFS) issues by re-implementing VxFS userspace utilities which enabled them to work on a file instead of a block device. This allowed the engineers to start debugging without blocking on the storage resources. It will be a part of future VxFS releases.

Software Engineer Intern

Cisco Systems

Wireless Network Business Unit Polaris Team
• Instrumental in the implementation of High Availability feature to sync operational data to stand-by WLC (Wireless LAN controller) using elcaro database (a transactional in-memory database) with replication and support for dependency ordering.
• Solved scalability issues persistent with the previous version of the software by externalizing the AP (Access Points) sessions data to a shared database outside the process, which was later tested on set-ups with more than 500 Access Points(simulated) and Mobility peers.
• Efficiently used TDL (The Definition Language) schema that blends the requirements of messaging and databases. 
Technologies: C, Gdb, ACME;  Hardware: Cat5760(Controller), Cat3850.

Software Engineer

Omsai Jadhav

Multiverse

• Enhanced the competency service, expanding its ability to accommodate more learning materials by
integrating new Django applications and improving data structures.
• Developed an event tooling service that standardized RabbitMQ event scripting across the company,
significantly improving maintainability and reducing complexity.
• Led the development of a versioning system for learning units, enabling the platform to scale from serving
UK levy programs to supporting global enterprise apprenticeships. This improved learning designers’
experience significantly, as well.
• Optimized backend architecture using Python/Django while building scalable frontend interfaces with React
(TypeScript) and GraphQL.
• Collaborated with the Learning Content Team to improve the content creation experience, increasing content
delivery efficiency significantly.

Senior Software Engineer

Monzo Bank

• Engineered and maintained Monzo’s ledger, the bank’s core system of record, ensuring zero-downtime
transactional integrity and high availability.
• Led a caching project to optimize balance retrieval speed, reducing latency significantly and cutting AWS
Keyspaces billing by 70
• Conducted a zero-downtime reindexing of the ledger’s database, improving data retrieval efficiency and
performance.
• Designed and built an end-to-end distributed system to aggregate fee data from all banking products and
store it in a backend warehouse.
• Developed a system to collect tax information for US users, leveraging SQL queries for accurate data
extraction.
• Improved SQL reconciliation models for system validation, ensuring transaction consistency across services.
• Mentored an engineer while working on ledger caching project.
• Blogged about Monzo’s balance calculation and caching improvements: How We Calculate Balances,
Speeding Up Our Balance Read Time.

Bloomberg

• Developed middleware API pub/sub tools for internal and external engineering usage.
• Refactored the authentication service, the entry point to the pub/sub middleware, making it more scalable,
robust, and maintainable.
• Built high-performance search infrastructure for Bloomberg Terminal’s NEWS functions using Apache Solr,
handling millions of requests per day.
• Wrote comprehensive library-wide integration and end-to-end tests using Docker containerization to ensure
system stability.

Amazon

Worked on developing a proactive tool for reporting statistical API usage. 
This tool is for internal EC2 customers.

Software Engineering Intern

Udacity Course

A program to learn android development, sponsored by Google and Udacity for Egyptian Students. 
At the end of the program we'll be able to make android apps. Also there is a final project with two stages to be done by the end of the program.
For more details, please visit:
https://www.mobileapplaunchpad.com.eg/

Mobile application Launchpad (MAL) program

Eventum IT Solutions

A web training included ruby on rails, Java EE, and (Java script/Ajax)

Web development training

Labs EgyptScholars (The Basics)

Intensive training on the basics and essentials of scientific research.
In this lab we learned how to write papers, technical writing skills, and how to make a research on a scientific topic. Moreover we learned the essentials of making a full paper with the full ethics required for such thing.
There were assignments and homework to be done every week, reports and some times abstract papers.

At the end of the Basics lab I got Excellence with degree 95/100.

Student

I am a software engineer with over five years of experience in the industry. My expertise lies in backend and infrastructure engineering, specifically in handling high-traffic distributed systems and microservices architecture. 

I post daily short updates on my LinkedIn, I aim to assist junior and mid-level software engineers in overcoming their career hurdles. My goal is to help them achieve rapid growth and effectively communicate with their peers and superiors.

Additionally, I write a weekly newsletter that provides guidance on these same topics.
If you're a junior or mid-level engineer, this newsletter is specifically designed for you!

Many engineers at this stage struggle in the early phases of their careers. 
My newsletter is crafted to help you navigate these challenges with ease. 

I would be happy to assist you on this journey!

Join now at https://basmataha199.substack.com/

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