Wahab E is a skilled Software Engineer with deep expertise in Ruby on Rails, scalable API development, and high-performance backend architectures, delivering production systems that handle 50K+ daily requests at Elgrocer by Smiles (Etisalat Group). He has built and optimized core e-commerce features—including multi-version REST APIs using Grape, a robust wallet transaction engine, Tabby payment integration, advanced promo rule logic, multi-shipment order flows, and real-time ETAs via Locus—while cutting database load by 60%…
Built an Angular feature module enabling marketing teams to schedule TopSort campaigns where partner brands bid for top placement in category listings. Integrated with TopSort APIs to fetch auction data, manage bids, and sync updates with Rails. Implemented reactive forms, RBAC controls, and real-time previews to reduce campaign setup time by ~70%.
Developed a Rails-based onboarding workflow with CRM integration. The system auto-identifies partner employees via domain matching, unlocking company-specific discounts, promotions, and tiered rewards. Added dashboards to track engagement, payouts, and campaign performance. Stack includes Rails, PostgreSQL, Redis, Sidekiq, Grape APIs, AWS S3.
Refactored checkout to split a customer order into multiple retailer/warehouse-based child shipments. Built a scheduler for smart carrier assignment, partial cancellations, and safe refunds. Integrated Locus APIs for accurate ETAs and sequencing. Improved dispatch speed, reduced order delays, and enhanced support visibility.
wahab is available for hire
Schedule an interview14 days risk-free trial · No commitments · We handle contracts and payroll
Wahab E is a skilled Software Engineer with deep expertise in Ruby on Rails, scalable API development, and high-performance backend architectures, delivering production systems that handle 50K+ daily requests at Elgrocer by Smiles (Etisalat Group). He has built and optimized core e-commerce features—including multi-version REST APIs using Grape, a robust wallet transaction engine, Tabby payment integration, advanced promo rule logic, multi-shipment order flows, and real-time ETAs via Locus—while cutting database load by 60%…
Built an Angular feature module enabling marketing teams to schedule TopSort campaigns where partner brands bid for top placement in category listings. Integrated with TopSort APIs to fetch auction data, manage bids, and sync updates with Rails. Implemented reactive forms, RBAC controls, and real-time previews to reduce campaign setup time by ~70%.
Developed a Rails-based onboarding workflow with CRM integration. The system auto-identifies partner employees via domain matching, unlocking company-specific discounts, promotions, and tiered rewards. Added dashboards to track engagement, payouts, and campaign performance. Stack includes Rails, PostgreSQL, Redis, Sidekiq, Grape APIs, AWS S3.
Refactored checkout to split a customer order into multiple retailer/warehouse-based child shipments. Built a scheduler for smart carrier assignment, partial cancellations, and safe refunds. Integrated Locus APIs for accurate ETAs and sequencing. Improved dispatch speed, reduced order delays, and enhanced support visibility.
Other vetted developers with similar skills and experience
