Staff/ Prinicipal Engineer – Backend

About Us

Mrsool is one of the largest delivery platform in the region. Mrsool’s unique on-demand experience earned it the highest user ratings amongst all the other large delivery platforms both in Apple’s App Store and Google’s Play store. In 2018, Mrsool reported GMV exceeding 1 billion SR and more than 6 million registered users. Mrsool provides a true order anything from anywhere experience, only possible by our huge fleet of registered on-demand couriers anything from anywhere with a huge fleet of registered couriers

What does “MRSOOL” mean?

MRSOOL comes from the Arabic root ‘Rasl’ which means “to send”, variations of the word from the root could mean “messenger”, “delegate,” or “envoy.” As the name implies, you are delegating someone on your behalf to do something for you, purchase and deliver dinner , buy medicine from the pharmacy ⚕, or even fetch your spare keys on the unfortunate event of locking yourself out of your car !

Role Overview: We are seeking an experienced Product Principal Engineer in Backend with expertise in any language preferred Ruby on rails to join our team. As a Principal Engineer, you will play a vital role in driving technical excellence, mentoring team members, and shaping the direction of our backend projects. You will collaborate closely with cross-functional teams and stakeholders to deliver robust and scalable software solutions. This position offers an opportunity to make a significant impact and contribute to the growth and success of our organization.


  • Provide technical leadership and guidance to the backend development team, ensuring adherence to best practices and standards in engineering.
  • Collaborate effectively with product managers, designers, and other teams to deliver seamless integrations and exceptional user experiences.
  • Influence technical decisions and project direction based on your expertise in backend development using Ruby on Rails.
  • Mentor and coach junior engineers, fostering their professional growth and enabling them to deliver high-quality code.
  • Communicate complex technical concepts clearly and concisely to both technical and non-technical stakeholders.
  • Proactively identify and address challenges, prioritize tasks, and delegate effectively to drive successful outcomes.
  • Stay up-to-date with the latest advancements and trends in Ruby on Rails development, sharing knowledge and insights with the team.
  • Contribute to the continuous improvement of our development processes, tools, and infrastructure.
  • Identify opportunities for organizational enhancements and propose alternatives to optimize team structures and execution.
  • Requirements:
  • Must Have:
    • A strong grasp of computer science fundamentals when it comes to dealing with distributed systems and networks.
    • A knack for problem-solving and thinking from first principles. You don’t shy away from any problem, no matter the scale or impact
    • A bias towards shipping early and iterating. We believe in making small incremental changes to existing systems instead of large multi-quarter undertakings
    • Proven experience as a Backend Engineer, with a strong track record of delivering high-quality software.
    • Excellent mentoring and coaching abilities, with a passion for helping others succeed.
    • Strong communication and interpersonal skills, enabling effective collaboration with cross-functional teams.
    • Ability to navigate ambiguity, set clear expectations, and thrive in a fast-paced, dynamic environment.
    • Good to Have:
      • In-depth knowledge of Ruby on Rails framework or any other programming Language, along with proficiency in related technologies like MysSQL, RESTful APIs, and MVC architecture.
      • Prior experience in a leadership or staff-level role within backend development.
      • Familiarity with other backend technologies and frameworks.
      • Experience with database design, optimization, and query performance tuning.
      • Experience in driving technical decisions and implementing positive organizational changes.


*Remote working
*Competative Salaries
*Friendly working Culture