Senior SMS Gateway & SMPP Platform Developer Needed

We are looking for an experienced SMS Gateway Developer who has previously built SMS gateway software, SMPP platforms, SMS aggregators, or telecom messaging systems from scratch. The ideal candidate must have strong knowledge of SMPP, SMS routing, billing systems, traffic management, vendor/customer connectivity, SMS hubs, and telecom-grade messaging infrastructure. ## Required Experience The developer must have proven experience with: * SMPP Server and SMPP Client development * SMPP Bind Transmitter, Receiver, and Transceiver * SMS Gateway architecture * SMS Hub and SMS Aggregator platforms * SMS Sandbox environments * SMSC integrations * SMS routing and delivery systems * DLR (Delivery Reports) management * HTTP API and SMPP API development * Multi-country SMS routing * Dedicated IP management * High-throughput messaging systems * Load balancing and failover routing * Least Cost Routing (LCR) * Billing and charging systems * Traffic management and monitoring * Telecom-grade reporting and analytics ## Platform Requirements ### Vendor Side Portal * SMPP vendor account management * Vendor route management * Country-wise route assignment * Dedicated IP allocation * SMPP bind management * Active port and connection monitoring * Route priority management * LCR configuration * Vendor cost management * Traffic monitoring per route * Delivery report tracking * Vendor billing and settlement reports ### Customer Side Portal * SMPP customer account management * SMPP credential generation * API access and management * Sender ID management * Campaign management * SMS reporting dashboard * Real-time delivery reports * Balance management * Customer billing and invoicing * Traffic analytics and usage reports * Country-wise traffic reporting * Route-wise reporting ### Billing Module * Prepaid and postpaid billing * Customer wallet management * Automated charging per SMS * Vendor cost calculation * Profit margin calculation * Country-wise pricing * Route-wise pricing * Invoice generation * Payment history * Balance alerts * Credit limit management * Revenue and profit reports ### Traffic Management Module * Real-time traffic monitoring * Country-wise traffic statistics * Vendor-wise traffic reports * Customer-wise traffic reports * Route-wise traffic analysis * SMS throughput monitoring * Failed traffic analysis * Traffic balancing * Traffic filtering and controls * Daily, weekly, and monthly reports * Live dashboard with KPIs ### Admin Panel * Vendor and customer management * Country management * Route management * LCR engine management * Dedicated IP management * SMPP bind monitoring * Active/inactive port status * Traffic monitoring dashboard * Billing management * Revenue and profit reporting * Cost analysis * System logs and audit trails * Real-time operational monitoring ## Technical Requirements Please apply only if you have previously developed: * SMS Gateway Software * SMPP Server/Client Solutions * SMS Aggregator Platforms * Bulk SMS Platforms * Telecom Messaging Platforms * SMS Billing Systems ## When Applying Please provide: 1. Details of SMS Gateway or SMPP projects you have developed. 2. Screenshots, demo links, or case studies. 3. Technologies and programming languages used. 4. SMPP throughput handled (TPS/MPS). 5. Your role in the project. 6. Experience with LCR routing. 7. Experience with billing and charging systems. 8. Experience managing high-volume SMS traffic. 9. Experience with multi-country routing and telecom integrations. Only developers with proven SMS Gateway, SMPP, Billing, and Traffic Management experience will be considered. This is a long-term project for building a carrier-grade SMS platform with vendor management, customer management, routing, billing, and traffic monitoring capabilities.