About Nezzex
We are a multidisciplinary team of systems engineers, software architects, and AI researchers founded in Baduraliya, Sri Lanka. Committed to delivering ultra-fast, robust, bank-grade digital solutions.
Extreme Performance
We optimize down to database indexing and asset caching. Every software platform we ship achieves sub-1.5s Core Web Vitals and lightning snappy database queries.
Bank-Grade Security
Zero-trust security postures, parameterized SQL defense, JWT session signatures, encrypted passwords, and automated daily database snapshot redundancy.
Islandwide SLA Warranty
We don't abandon you after launch. Every project includes a 1-year comprehensive SLA warranty with instant live engineer chat and hotline standby.
Individual Solutions We Build & Deploy
From resilient point-of-sale systems to high-conversion online stores and mobile apps, explore our specialized engineering capabilities.
Point of Sale (POS) Systems
Engineered specifically for Sri Lankan retail and restaurant operations. Features an offline-first architecture so cashiers continue billing and thermal printing during internet or power outages, synchronizing to the cloud once reconnected.
- Thermal receipt printing & barcode generation
- Multi-branch inventory & stock sync
- Cash register drawer & weighing scale drivers
- Lifetime license with zero monthly subscriptions
E-Commerce & Online Stores
Ultra-fast omnichannel retail platforms engineered for high conversions and instant checkouts. Integrated with Sri Lankan payment rails, customer installments, and automated notifications on order dispatch.
- PayHere payment gateway (Visa, Mastercard, LankaQR)
- Koko Pay 3-month interest-free installment checkout
- Automated SMS order dispatch via Notify.lk
- Real-time inventory deduction & cart abandonment alerts
Mobile App Development
Smooth, native-performance applications engineered on Flutter and React Native. Includes complete UI/UX prototyping, backend REST API development, biometric authentication, and guaranteed app store submissions.
- Dual-platform iOS & Android from single codebase
- Push notifications & in-app customer messaging
- Fingerprint / Face ID biometric authentication
- Guaranteed Google Play & Apple App Store approval
Custom Enterprise ERP & Cloud
Centralized business operating systems for tea exporters, factories, wholesale distributors, and multi-branch operations. Connects stock, procurement, invoicing, and staff payroll in real time.
- Multi-warehouse live inventory & batch tracking
- Automated invoicing, tax computation & PDF receipts
- Staff attendance, payroll & performance logs
- Zero-downtime daily database backup replication
Corporate Websites & Portals
High-authority corporate web platforms engineered for B2B brands, law firms, healthcare, and educational institutes. Sub-second load speeds with deep Google technical SEO optimization.
- Sub-1.2s Core Web Vitals speed optimization
- Google Rich Snippets & Schema structured data
- Free high-speed cloud NVMe hosting for 1 year
- Secure lead capture forms with instant email/SMS delivery
AI Bots & Process Automations
Automated customer inquiry routing, WhatsApp AI bots, and intelligent document extraction. Connects your customer communications directly with your CRM and inventory databases.
- 24/7 WhatsApp & website customer support bot
- Intelligent lead scoring & auto-assignment
- Automated SMS and email notification flows
- Zero latency Node.js & Python microservice backends
Full Source Ownership
100% full source code ownership upon project sign-off. Zero vendor lock-in or hidden licensing fees.
50/50 Milestone Safety
50% deposit to commence sprint; final 50% only payable after demonstration and verified domain deployment.
Koko & PayHere Ready
Zero-interest 3-month installments via Koko Pay plus Visa, MasterCard, and LankaQR for smooth transactions.
1-Year Warranty & SLA
Free 1-year NVMe hosting, bug-fix warranty, and technical hotline assistance with sub-1 hour response times.
Frequently Asked Questions on Our Software Development & Solutions
Everything you need to know about our engineering standards, POS systems, mobile app creation, payment integrations, and software delivery in Sri Lanka.
What is the web site build price in Sri Lanka?
In Sri Lanka, a professional corporate business website typically costs between LKR 35,000 and LKR 65,000 at Nezzex Software. Full-fledged e-commerce websites with Sri Lankan payment gateway integration (PayHere, Koko 3-month installments) range from LKR 65,000 to LKR 125,000.
Every build includes 100% full source code ownership, no recurring monthly fees, a free .com domain name, and 1 full year of NVMe high-speed cloud hosting.
What is the mobile app build price in Sri Lanka?
Mobile app creation price in Sri Lanka starts from LKR 95,000 for standard MVP applications and ranges from LKR 140,000 to LKR 280,000 for complex dual-platform (iOS and Android) applications built using cross-platform engines like Flutter or React Native.
This cost covers custom UI/UX design, REST API backend construction, Google Play & Apple App Store deployment, push notification setup, and payment gateway integration.
Can you integrate Koko payments and PayHere into mobile apps and websites?
Yes! Nezzex Software is a specialist in Sri Lankan payment gateway integrations. We integrate Koko Pay (enabling your customers to split purchases into 3 interest-free monthly installments) and PayHere (for Visa, MasterCard, FriMi, eZ Cash, and mCash) directly into both websites and mobile apps.
How much does POS system creation cost in Sri Lanka?
POS system creation in Sri Lanka starts from LKR 75,000 at Nezzex Software. This includes touchscreen POS billing, barcode generation, thermal receipt printing, cash drawer trigger, offline-first local database sync, and multi-branch inventory tracking.
How do milestone payments work?
We believe in 100% security for our clients. Standard projects start with a 50% initial milestone deposit to commence design and architecture sprints. The remaining 50% is only payable after the system is fully developed, tested, demonstrated, and deployed on your domain. Alternatively, you can pay via Koko Pay in 3 monthly installments.