Mohamed Rwash - Software Engineer

Q: Where is Mohamed based?

Mohamed is based in Berlin, Germany .

Q: What languages does Mohamed speak?

Mohamed speaks the following languages: Arabic (Advanced), English (Advanced), German (Intermediate) .

Q: How many years of experience does Mohamed have?

Mohamed has at least 8 years of experience. During this time, Mohamed has worked in at least 1 role and for 5 different companies . The average length of individual experience is 2 years and 7 months . Note that Mohamed may not have shared all experience and actually has more experience.

Q: What is Mohamed's latest experience?

Mohamed's most recent position is Software Engineer at Clark .

Q: What companies has Mohamed worked for in recent years?

In recent years, Mohamed has worked for Clark , Bizimply , FlipNpik , and ILLA .

Q: Which industries is Mohamed most experienced in?

Mohamed is most experienced in industries like Information Technology (IT) , Insurance , and Transportation and Logistics .

Q: Which business areas is Mohamed most experienced in?

Mohamed is most experienced in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) .

Q: Which industries has Mohamed worked in recently?

Mohamed has recently worked in industries like Insurance , Information Technology (IT) , and Transportation and Logistics .

Q: Which business areas has Mohamed worked in recently?

Mohamed has recently worked in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) .

Recommended expert

Berlin, Germany

Experience

Mar 2022 - Aug 2025

3 years 6 months

Berlin, Germany

Software Engineer

Clark

Led the implementation of a critical backend initiative for the offer teasing feature, resulting in a 10% increase in users actively seeking counter offers.
Contributed to high-impact features such as instant advice, customer ratings, and automatic contract switching, leading to increased user engagement and conversion rates.
Built a gRPC service to integrate internal systems with the ERP platform, improving the reliability and observability of data exchange.
Refactored parts of the legacy Ruby codebase into a more maintainable and scalable Elixir-based architecture.
Delivered a greenfield project from concept to production on a new stack, integrating with internal services and managing infrastructure setup and deployment.
Collaborated closely with the front-end team, product managers, and cross-functional team members to ensure the seamless integration of backend features, fostering effective communication and collaboration across disciplines.
Stack: Ruby, Ruby on Rails, Elixir, OTP, Phoenix, REST, GraphQL, gRPC, PostgreSQL, AWS, Cognito, Lambda, SNS, SQS, Terraform, Helm, Docker, CI/CD, Grafana, Prometheus, Git, Agile Methodology.

Jun 2021 - Mar 2022

10 months

Software Engineer

Bizimply

Refactored legacy code in a monolithic app, modularizing code dependencies for timecards, time tracking, and other HR functions.
Successfully implemented eSignature features using HelloSign, streamlining the document signing process and improving operational efficiency and compliance.
Collaborated closely with the front-end team to develop REST APIs for the mobile application, fostering seamless communication between the backend and frontend.
Stack: Ruby, Ruby on Rails, RSpec, MySQL, JavaScript, Git.

Feb 2021 - Jun 2021

5 months

Canada

Software Engineer

FlipNpik

Functioned as a consultant to help the company bring an outsourced project in-house, ensuring proper implementation and bug fixes.
Developed documentation to ease the onboarding process.
Stack: Ruby, Ruby on Rails, RSpec, MySQL, AWS Elastic Beanstalk, CI/CD, Git.

May 2020 - May 2021

1 year 1 month

Cairo, Egypt

Software Engineer

ILLA

Spearheaded continuous improvement efforts, enhancing software code quality and implementing automated tests for comprehensive backend coverage.
Actively contributed to the development and maintenance of a cross-platform mobile application using React and React Native to ensure a seamless user experience.
Demonstrated leadership by ensuring clear understanding of goals, scope, and product domain throughout the team.
Engaged in business analysis discussions and owned the integration with a Mobile Device Management (MDM) system, providing full remote control and management of drivers' Android devices and addressing security and reachability issues.
Stack: Ruby, Ruby on Rails, RSpec, PostgreSQL, AWS, React, React Native, Terraform, Docker, CI/CD, Git.

Oct 2017 - Apr 2020

2 years 7 months

Cairo, Egypt

Software Engineer

PassApp

Contributed to the design, implementation, testing, and deployment of PassApp's web portal and RESTful APIs.
Collaborated closely with the hardware team, actively participating in firmware updates, device configuration, logging, and monitoring.
Integrated and communicated with third-party providers, enhancing the ecosystem of services, including payment integration and geo services.
Stack: Ruby, Rails, TDD, RSpec, PostgreSQL, AWS EC2, RDS, Kibana, ELK Stack, Docker, Sidekiq, Git.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (4.5 years), Insurance (3.5 years), and Transportation (1 year).

Information Technology

Insurance

Transportation

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (8 years), Product Development (8 years), and Quality Assurance (1 year).

Information Technology

Product Development

Quality Assurance

Summary

Experienced Software Engineer specializing in backend development, with a wealth of expertise in delivering clean, modular code. Proficient in Ruby, Ruby on Rails, Elixir, Phoenix, Javascript, Kubernates, AWS, and with exposure to Java, Python, and ReactJS. I have successfully led critical backend initiatives, contributing to heightened user engagement within complex projects. I am committed to maintaining high code quality, security, and service observability. A collaborative team player with a passion for automating and improving continuous integration and deployment pipelines. Seeking to leverage my extensive backend knowledge in a dynamic, cross-functional environment.

Skills

Ruby
Ruby On Rails
Sidekiq
Elixir
Otp
Phoenix
Javascript
Python
Postgresql
Rest
Graphql
Grpc
Aws
Cognito
Lambda
Sns
Sqs
Kubernates
Docker
Ci/cd
Terraform
Helm
Git
Reactjs

Languages

Arabic

Advanced

English

Advanced

German

Intermediate

Education

Oct 2011 - Jun 2016

Cairo University

B.Sc., Computer Science · Computer Science · Cairo, Egypt

Profile

Created

November 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Mohamed based?

Mohamed is based in Berlin, Germany.

What languages does Mohamed speak?

Mohamed speaks the following languages: Arabic (Advanced), English (Advanced), German (Intermediate).

How many years of experience does Mohamed have?

Mohamed has at least 8 years of experience. During this time, Mohamed has worked in at least 1 role and for 5 different companies. The average length of individual experience is 2 years and 7 months. Note that Mohamed may not have shared all experience and actually has more experience.

What roles would Mohamed be best suited for?

Based on recent experience, Mohamed would be well-suited for roles such as: Software Engineer.

What is Mohamed's latest experience?

Mohamed's most recent position is Software Engineer at Clark.

What companies has Mohamed worked for in recent years?

In recent years, Mohamed has worked for Clark, Bizimply, FlipNpik, and ILLA.

Which industries is Mohamed most experienced in?

Mohamed is most experienced in industries like Information Technology (IT), Insurance, and Transportation and Logistics.

Which business areas is Mohamed most experienced in?

Mohamed is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA).

Which industries has Mohamed worked in recently?

Mohamed has recently worked in industries like Insurance, Information Technology (IT), and Transportation and Logistics.

Which business areas has Mohamed worked in recently?

Mohamed has recently worked in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA).

What is Mohamed's education?

Mohamed holds a Bachelor in Computer Science from Cairo University.

What is the availability of Mohamed?

Mohamed is immediately available for suitable projects.

What is the rate of Mohamed?

Mohamed's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.