⚡ backend cluster active
Md. Moinul Islam
Software Engineer · Backend Architect
Crafting highly scalable backend architectures, distributed microservices, and enterprise SaaS solutions handling high-volume demands effortlessly.
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Years Experience
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Projects Completed
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SaaS Systems
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API Integrations
sharding.activate()
Sharding
Partitioning
Replication
1B+ Rows
Technical Arsenal
Languages & Frameworks
PHP (Laravel/Lumen)
JavaScript/TypeScript
Node.js (NestJS)
React.js/Next.js
Database Management
MySQL/PostgreSQL
MongoDB/Redis
Database Sharding
Partitioning/Replication
Architecture & DevOps
SaaS Architecture
Microservices Pattern
Docker Containerization
RabbitMQ/Redis Queues
Nginx/RESTful APIs
Integrations & Tools
Stripe Gateway
Mailgun/Twilio
Pusher (Websockets)
Git, Jira, Trello
always optimizing
Scalability Research · OmniShard-1B
OmniShard | 1B+ Scalable DB Architecture
MySQLRedisK-Ordered IDCursor PaginationAsync Queues
Built research-oriented sharding strategies handling 1B+ user data. Designed custom 16-digit K-Ordered Sequential ID Generator. Optimized stateless auth with Redis, cursor-based pagination across shards, and Redis/RabbitMQ queues for high-volume ingestion.
Experience Highlights
AT SMS · Field Service SaaS
NestJSLaravelMySQL/MongoDBJWT
Microservices for job lifecycle, dynamic Form Builder, conflict-free Rota scheduling with RBAC.
AT POS · Smart Point of Sale
NestJSLaravelMySQLSplit Payments
Inventory batch tracking, real-time analytics, split payments, multi-level access control.
Ebaskat · Dropshipping Platform
Laravel/LumenQueuesAliExpress/BigBuy
Data Sync Service, automated product import, order placement, inventory sync with Laravel Jobs.
Subscription Management System
LaravelInertia.jsReactStripe
Stripe integration, recurring payments, webhooks, automated status changes, invoice dashboard.
Hospital Management Module
LaravelMySQLAJAX
Patient registration, appointment scheduling, prescription management, billing, medical inventory.
HR & Payroll System
LaravelMySQLCron Jobs
Employee management, attendance tracking, leave management, payroll processing, salary generation.
Courier Management System
LaravelMySQLREST API
Real-time tracking, branch management, delivery routing, automated SMS/Email notifications.
Early Career · RD Network BD
LaravelMySQLInventory POSAJAX
Inventory POS, HR Logistics, vehicle maintenance tracker, expense tracking framework.
+ 8+ additional internal modules
+ 8+ additional internal modules
➕ plus 12+ custom architectural modules for FinTech workflows & background data sync
Available for Work · Upwork / Fiverr Ready
✅ 5+ years experience · 45+ projects completed · 10+ SaaS systems · 30+ API integrations
✅ Expert in Laravel, NestJS, microservices, Stripe, scalable backend systems
✅ Specialized in sharding, message queues, real-time architecture, high-volume data processing
✅ Immediate availability for contract roles, system consulting, API development