Database/BackEnd Developer

1 week ago

Karachi, Sindh, Pakistan Izvento Full time 1,200,000 - 3,600,000 per year

Full-Stack Developer - Vacation Rental PlatformLocation:RemoteType:ContractAbout the ProjectWe're building a cutting-edge vacation rental search and booking platform specifically designed for winter sports enthusiasts. This platform will aggregate accommodations from multiple providers (Interhome, Villa4You, Summit Travel) into a unified, fast, and user-friendly experience.The ChallengeYou'll architect and build a platform that handles complex multi-provider data integration while delivering exceptional search performance and user experience. This isn't just another booking site—we're creating a sophisticated system that normalizes data from REST APIs, JSON-RPC, and XML feeds into a seamless search experience.What You'll BuildCore FeaturesIntelligent Search System : Flexible date search (no-date search, period ranges, pre-filled defaults) with advanced filtering capabilitiesMulti-Provider Integration : Unified data layer connecting REST APIs, JSON-RPC, and XML feeds from multiple accommodation providersHigh-Performance Architecture : Sub-2-second search results with smart caching strategies and optimized data queriesState Persistence : Seamless navigation that maintains search context, filters, and scroll positionAdvanced Filtering : Real-time filtering by amenities, distance to slopes, capacity, pet-friendly status, and moreTechnical ArchitectureFrontend : Webflow + Wized for dynamic interactions, vanilla JavaScript for state managementBackend : Supabase Edge Functions, normalized database schemaData Pipeline : Robust ETL system with retry logic, logging, and error handling for provider integrationsPerformance : CDN-optimized images, intelligent caching (edge/KV), lazy loading, sub-200ms interaction timesRequired SkillsMust Have2+ years of full-stack development experienceStrong proficiency in JavaScript/TypeScriptExperience with REST APIs, JSON-RPC, and XML parsingDatabase design and optimization (SQL, indexing strategies)Supabase or similar backend-as-a-service platformsPerformance optimization and caching strategiesResponsive design and cross-browser compatibilityHighly ValuedMulti-provider integration experienceETL pipeline developmentEdge computing and serverless architecturesSEO technical implementation (structured data, sitemaps)Experience with booking/rental platformsUnderstanding of Core Web Vitals optimizationTechnical Challenges You'll SolveData Normalization : Create a flexible schema that maps diverse provider formats into a unified structureSearch Performance : Build sub-2-second search with complex filtering across thousands of propertiesProvider Resilience : Implement graceful degradation when providers failState Management : Maintain search context across navigation without framework dependenciesReal-time Filtering : Debounced, instant filter updates with

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    Karachi, Sindh, Pakistan Contechtive Full time 900,000 - 1,200,000 per year

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