SDE III Backend Engineer

Who Are We❓ Step into the world of Mrsool—where convenience meets innovation! As one of the largest delivery platforms in the Middle East and North Africa (MENA) region, Mrsool has captivated users with its unique and seamless experience, earning it the highest ratings among all major delivery platforms on both Apple's App Store and Google's Play Store. What sets Mrsool apart is its commitment to providing an unmatched "order anything from anywhere" experience. Using Generative AI, we analyze customer instructions in real-time and search across 100,000+ restaurants and stores to find exactly what they need. Our cutting-edge technology, combined with a vast fleet of dedicated on-demand couriers, ensures fast and reliable delivery—no matter how far or remote the location may be. But don’t just take our word for it—Mrsool is consistently rated among the highest of all major delivery platforms, earning top reviews on both the Apple App Store and Google Play Store. Our commitment to a flawless, personalized experience has earned the trust of millions across the region, making Mrsool the go-to delivery app for a generation that demands both convenience and excellence. Whether it's a late-night craving, a forgotten item, or a special gift for a loved one, Mrsool is here to deliver, quite literally. We take pride in the convenience we offer, empowering you to get what you need when you need it, all at the tap of a button. The Job in a Nutshell💡 We are seeking an experienced Software Development Engineer III (SDE-3) - Backend to join our core engineering team. In this role, you will play a vital role in driving technical excellence by leading the project execution end-to-end. You will collaborate closely with cross-functional teams and stakeholders to deliver robust and highly scalable software solutions. This position offers an opportunity to make a significant impact on our system architecture and contribute directly to the growth and success of the organization. What You Will Do💡 - Technical Leadership: Lead project execution by driving RFCs, design docs (HLD/LLD), and execution plans for the product development team, ensuring strict adherence to best practices and standards in engineering. - System Architecture & Scale: Design, build, and maintain highly concurrent, low-latency backend systems capable of processing massive transactional throughput. - Core Engineering & Influence: Influence technical decisions and project direction based on your backend expertise utilizing Ruby on Rails and Go (Golang), but not limited to them. Write clean, performance-optimized, and maintainable code. - Platform & Data Infrastructure: Optimize database performance, query execution tuning, and cache-layer strategies (using PostgreSQL, Redis, etc.) while safeguarding data consistency across microservices. - Cross-Functional Collaboration: Collaborate effectively with product managers, designers, DevOps, and other engineering squads to deliver seamless integrations and exceptional user experiences. - Technical Mentorship: Mentor and coach junior and mid-level engineers (SDE-1/2), fostering their professional growth, reviewing complex pull requests, and raising the bar for the engineering culture. - Operational Excellence: Proactively identify and address system bottlenecks, address the root causes of persistent infrastructural issues, and champion automated testing, observability (tracing/metrics), and CI/CD automation. - Strategic Evolution: Identify opportunities for organizational enhancements, propose structural technical alternatives to optimize team execution, and balance short-term feature delivery with long-term architectural stability. Requirements What Are We Looking For❓ - Years of Experience: 5 to 8+ years of intensive, non-internship professional software development experience in fast-paced product startups or high-scale tech enterprises. - Technical Stack Mastery: Adequate knowledge of the Ruby on Rails framework along with robust experience/proficiency in Go (Golang), focusing on building high-performance APIs and multi-threaded systems. - Distributed Systems Depth: A strong grasp of computer science fundamentals when it comes to dealing with distributed systems, networks, concurrency control, and the trade-offs of the CAP theorem. - Frameworks & Storage: Strong proficiency in database ecosystems and architectural patterns like PostgreSQL, RESTful APIs, gRPC, and MVC architecture. - Architectural Mindset: A knack for problem-solving, thinking from first principles, and a strong track record of delivering high-quality software while gracefully balancing Non-Functional Requirements (NFRs) like reliability, scaling, security, and usability. - Iterative Mindset: A bias towards shipping early and iterating; a strong belief in making small, incremental changes to existing systems instead of large, multi-quarter undertakings. - Leadership & Ambiguity: Proven ability to navigate ambiguity, set clear technical expectation