Khaled Jouda, Developer in Berlin, Germany
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Khaled Jouda

Verified Expert  in Engineering

Bitcoin Developer

Berlin, Germany
Toptal Member Since
February 19, 2016

Khaled is a senior software engineer with over 15 years of experience working on developing a diverse set of web applications. He is looking for a back end or a full-stack position—utilizing Golang for the back end and React/Redux or Elm for the front end.



Preferred Environment

Slack, GitHub, Vim Text Editor, Visual Studio Code (VS Code), Linux, MacOS

The most amazing...

...thing was building a WYSIWYG app and website generation and hosting service which allows restaurateurs to easily create and manage a website and a mobile app.

Work Experience

Back-end Go Developer

2020 - 2021
  • Developed a device emulation software for mimicking physical devices each having a different communication TCP protocol, these software emulators were used to write integration and stress tests.
  • Worked on spin's IoT system for communicating between real devices and spin back end.
  • Wrote a package for dynamically defining a device protocol.
Technologies: Go, TCP, Integration Testing

React/Redux Developer

2020 - 2020
Toptal - Signs365
  • Developed an internal admin tool for managing order issues/support tickets.
  • Developed a reporting and statistics interface for tracking employees' performance.
  • Converted old Vanilla JavaScript code into React/Redux application.
Technologies: Redux, React

Software Engineer | Consultant

2016 - 2019
Lighter, Inc.
  • Helped Lighter to develop and launch a set of services related to meal planning and tracking.
  • Took a leading role architecting and developing the Go backend web services along with the development of the front-end React/Redux applications.
  • Helped some team members get acquainted with our technologies.
Technologies: Elasticsearch, MongoDB, Redux, React, Go

Full-stack Developer

2016 - 2016
Nubilaria (via Toptal)
  • Developed a web-based database management tool using React/Redux and PHP.
Technologies: Redux, React

Front-end React Engineer

2015 - 2015
Chloe + Isabel (via Toptal)
  • Created a new GraphQL/Relay-based application which is going to be used as the base for new front-end development.
  • Rewrote and imported a set of features written in CoffeeScript to the new application.
Technologies: Babel, React

Senior Application Developer

2009 - 2015
Mesmo GmbH
  • Worked on several internal and external projects.
  • Created from scratch and led its development over a period of five years. Worked on developing search, review system, social features, business portal, payment management, and more.
  • Developed a dynamic WYSIWYG website generation and a hosting service.
  • Developed a dynamic WYSIWYG hybrid mobile app generation and a hosting service.
Technologies: Go, Redis, Memcached, MongoDB, MySQL, Bootstrap, Flux, React, Node.js


2005 - 2009
Freelance Work
  • Worked on several short-term projects.
  • Led the development of, an Arabic social network, where I helped build a set of features including profiles, newsfeeds, blogging system, and more.
Technologies: MySQL, JavaScript

Software Engineer

2004 - 2006
  • Completed the development of
Technologies: MySQL, JavaScript
A website for searching restaurants in Germany. It offers as well many services for restaurant owners like: website hosting, social media integration, reservation system, and so on.

React-Flux Library
A library implementing React-Flux data flow design pattern and code generation.

Chess Engine
A hobby project that was written in the Go language. It is about implementing chess logic using Bitboards.


CSS, Elm, JavaScript, ES7, Go, SQL, Less, HTML5, TypeScript


Gin-Gonic, Redux, Bootstrap, PhoneGap, gRPC, Svelte, Flux, React Native


React, Node.js


Webpack, Amazon Simple Email Service (SES), Terraform, Git, Babel, GitHub


Functional Programming, Responsive Web Design (RWD), REST, Object-oriented Design (OOD), Microservices, Unit Testing, Application Architecture


MacOS, Linux, Blockchain, Docker, Visual Studio Code (VS Code)


MySQL, JSON, MongoDB, Memcached, NoSQL, Amazon S3 (AWS S3), Redis, Elasticsearch


Cordova, WebSockets, Bitcoin, TCP, Integration Testing, Computer Science

2009 - 2013

Bachelor's Degree in Computer Science

An-Najah National University - Nablus, West Bank

2004 - 2006

Master's Degree in Computer Science

Otto von Guericke University Magdeburg - Magdeburg, Germany