Mohamed H.

Mohamed H.

Alexandria, Egypt
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About Me

Mohamed is a product-minded full-stack developer committed to exceeding client expectations by delivering clean, well-designed, and scalable code and applications. He works on large-scale software development and data management projects that require meticulous, skilled, and timely delivery. A notable project Mohamed is proud of is designing and developing mission-critical components for Egypt’s official presidential election system, which handled millions of citizen votes in the 2018 presidential election.

Frontend

JavaScript React.js HTML5

Database

SQL PostgreSQL

DevOps

AWS

Workflow

Git

Other

Ruby Webpack Elixir Elastic Search Graphql Redis

Work history

UpStack
UpStack
Full-stack Developer
2018 - Present (7 years)
Remote

  • Creating and developing innovative software solutions for different clients across a broad range of industries.

  • Participating in scrums consisting of cross-functional teams, both software and hardware.

  • Ensuring that features are being delivered efficiently and on time.

Ruby on RailsJavaScriptReact.jsSwiftHTML5jQueryMySQL
Pipefy
Pipefy
Senior Software Engineer
2019 - Present (6 years)
Remote

  • Working on the development of Pipefy’s SDK, which enabled developers to build apps for integration with the platform.

  • Developing an efficient GraphQL mutation solution to batch update cards, reducing monthly API calls by 58% and improving the performance of GraphQL API requests by 15% through authorization flows.

  • Utilizing improved and parallelizing test procedures to reduce the runtime for CI test jobs by 50%.

Ruby on RailsReact.jsWebpackElixirPostgreSQLRedisElasticStack
TaskSpotting
TaskSpotting
Software Engineer
2018 - 2019 (1 year)
Remote

  • Designed and developed the architecture, database design, authentication system, and CI process for TaskSpotting's new app.

  • Suggested, identified, and evaluated new technologies for implementation.

  • Reviewed app code to find causes of errors and revised programs as needed to ensure responsiveness and quality.

Ruby on RailsGraphqlIonicNode.jsAuth0AWS EC2AWS CodepipelineAWS Elastic Beanstalk
Freelance
Freelance
Software Engineer
2017 - 2018 (1 year)
Remote

  • Developed a tool to forecast profit given the previous income, expenses, and bank balance knowledge based on complex schedules and hypothetical scenarios.

  • Integrated scrapers for multiple jobs listing sites to be posted daily in the platform.

  • Trusted by two long-term clients through multiple projects to deliver top-notch software solutions as a freelancer.

JavaScriptMySQLHTML5jQueryReact.jsRubyNokogiriSelenium
eSpace
eSpace
Software Engineer
2016 - 2019 (3 years)
Alexandria, Egypt

  • Executed full SDLC from planning and feature extraction through design, implementation, and coding, to producing full-fledged software solutions.

  • Designed and developed mission-critical components in Egypt’s official presidential election system, which handled millions of citizen votes in the 2018 presidential election.

  • Performed detailed QA tasks on solutions, staying abreast of new technologies and coding best practices.

RubyRuby on RailsJavaScriptjQueryReact.jsSwiftJava
BADR
BADR
Part-time Software Engineer (intern & working student)
2015 - 2016 (1 year)
Alexandria, Egypt

  • Developed and launched an MVP for a grocery drop shipping system in less than a week.

  • Designed and implemented a live notification system, bill reports module, and employee automated payment state machine for ProHealth, a generic healthcare system.

  • Worked on query optimization and data scraping from a legacy system and implemented stock suppliers module and shopping cart complex lifecycle.

RubyRuby on RailsJavaScriptjQuerySpree

Showcase

Egypt’s Official Presidential Election System
Egypt’s Official Presidential Election System

  • Developed microservices for voter turnout and results entry/aggregation, both in embassies and polling locations across Egypt.

  • Implemented a portal for citizens to modify polling locations, addressing a persistent issue in Egypt's election system.

  • Achieved high test coverage (90%) for major election components using Ruby on Rails, Ruby, JavaScript, jQuery, and React.js.

Bahr Freelancing Platform
Bahr Freelancing Platform

  • Project lifecycle includes milestones with separate payments.

  • Database query optimization reduced rendering time by 92%.

  • Developed a Turbolinks WebView-based Android app.

Ithraa Platform
Ithraa Platform

  • An educational multi-type books annotator.

  • Worked on listing/filtering annotations module and added support for sound annotations.

  • Contributed to the Ithraa Platform with a change in the project (https://github.com/hexorx/countries/pull/480).

Hieroglyphic Keyboard
Hieroglyphic Keyboard

  • Migrated the application to Firebase analytics/database.

  • Optimized the application by profiling and resolving memory leaks.

  • Ensured proper application functionality on both Android and iOS devices.

Work Hands
Work Hands

  • Work Hands is a blue-collar trade jobs network.

  • It utilizes scrapers to post daily job listings on multiple job-listing sites.

  • The platform is built using Ruby on Rails, Ruby, and Mechanize.

Education

Bachelor of Computer Engineering
Bachelor of Computer Engineering
Alexandria University - Egypt
2011 - 2016 (5 years)