• Develop and optimize applications based on Large Language Models (LLMs), ensuring response quality and prompt efficiency; • Agent Orchestration: Design and implement complex flows and multi-agent systems using LangChain and LangGraph for reasoning automation; • Data Architecture for AI: Implement RAG (Retrieval-Augmented Generation) strategies, including vector databases and indexing techniques for semantic search; • Backend Development: Build robust, high-performance APIs in Python (FastAPI/Django) to serve AI models at scale; • Cloud Scalability: Develop and deploy solutions using the AWS ecosystem, focusing on AI services, serverless computing, and containers; • Quality and Monitoring: Establish model testing standards (evaluation of hallucinations, latency, and cost) and ensure the development lifecycle (LLMOps).

• Own the Python engine layer for algorithms and data processing • Process large volumes of operational schedule data through constraint evaluation • Generate periodic staff rosters by solving constraint problems • Real-time task assignment using proximity scoring against live employee location data • Scheduled KPI aggregation and SLA scoring across all modules

• Migrate and refactor existing Python logic into Golang services owned by various other teams. • Rapidly learn and adapt to internal tools, systems, and processes to speed up migration. • Collaborate closely with engineers across teams to ensure smooth delivery. • Debug complex issues quickly and provide clear, actionable solutions. • Maintain high-quality, well-tested code with thorough validation. • Identify and implement improvements in our migration tooling.

Role Description We are looking for a seasoned Backend Engineer with deep expertise in PHP and a strong track record leading complex, scalable system architectures. The ideal candidate brings solid experience across databases, cloud services, microservices, DevOps practices, and secure API development to drive high-quality, reliable backend solutions. - Architect and design complex systems ensuring scalability and reliability - Build and maintain core backend services using best-in-class technologies and frameworks - Optimize performance and scalability by identifying bottlenecks and implementing efficient solutions - Ensure security and compliance with proper authentication, data protection, and regulatory measures - Mentor and guide team members through technical discussions, code reviews, and knowledge-sharing - Conduct thorough code reviews to uphold high-quality coding standards and maintain best practices - Collaborate with cross-functional teams to align technical solutions with business goals - Manage databases by designing, monitoring, and optimizing for performance and reliability - Implement robust testing strategies for stable, resilient systems - Lead incident management by troubleshooting critical issues, driving root cause analysis, and implementing preventive measures - Stay current with industry trends and integrate emerging tools, frameworks, and practices to enhance backend systems Qualifications - Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience) - 5+ years of professional experience in backend development with proven leadership on complex projects - Expert proficiency in PHP backend programming language and frameworks - Proficiency in backend programming languages (e.g., Python, Go, Node.js) is a big plus - Deep understanding of scalable system architecture, design patterns, and microservices principles - Extensive experience with database design, optimization, and management (both SQL and NoSQL) - Proven ability to design and implement robust, secure APIs (RESTful, GraphQL) and handle third-party integrations - Strong knowledge of cloud services (AWS, or GCP), containerization (Docker), and orchestration (Kubernetes) - Deep familiarity with security best practices, data protection, authentication, and authorization mechanisms - Experience with version control (Git), CI/CD pipelines, automated testing, and DevOps practices Benefits - USD salary, stable, competitive compensation regardless of currency fluctuations - Comprehensive medical insurance provided to support your wellbeing - Fully remote work with flexible hours, build your routine your way - Fast career growth in a company scaling rapidly across Saudi and the region Important Note to Applicants To ensure a smooth and efficient recruitment process for everyone, we kindly ask all candidates to complete the application questions thoroughly. We review your answers carefully, as they help us understand your experience and expectations clearly from the very beginning and avoid unnecessary back-and-forth later. Applications submitted without properly completed questions may unfortunately be deprioritized. Thank you for taking the time to fill them in thoughtfully.