Modernizing Monoliths into
Event-Driven Architectures
Senior Engineer with 10+ years of experience. Specializing in intelligent SaaS platforms, high-throughput microservices, and Generative AI workflows.
Impact at Scale
Enterprise POS Backend
High-scale backend platform for Happy Chimps. Engineered for reliability, massive concurrency, and distributed data handling.
Mini Web POS System
Lightweight, offline-first iPad POS interface. Demonstrates modern frontend architecture and local state management.
Happy Chimps Directory
Restaurant ecosystem combining data scraping, AI automation, and visualization.
Business Control Hub
Centralized SaaS dashboard for restaurant owners to manage inventory, staff, and analytics.
SysPro Invoicing
Custom invoicing solution for managing client billing and financial records.
Online Ordering
Full-stack ordering solution (Delivery, Click & Collect) with real-time WebSocket updates.
Microservices Bookstore
High-scale e-commerce architecture designed for decoupling and performance.
Finance Ledger
Secure financial system for BestLife Holdings with auditing and automated reporting.
Professional Journey
Lead Software Engineer
Happy Chimps (Order Chimps Ltd) | Sep 2023 - Present
Core Responsibilities
- Leading end-to-end development of core SaaS platform.
- Architecting Node.js sync modules for offline-first iPad POS workflows.
- Managing AWS infrastructure (EC2, S3, Redis, VPC) and reducing costs via optimization.
- Implementing Auth/Authz security measures.
Key Achievements
90% Error Reduction
Migrated legacy workflows to event-driven microservices.
80% Faster Setup
Integrated AWS Bedrock AI for intelligent menu automation.
Senior Software Engineer
OpusXenta Lanka (R&D) | Sep 2022 - Oct 2023
Technical Scope
- Implemented Microservices Architecture using NestJS.
- Optimized Docker files reducing build times significantly.
- Managed "email blast queue" performance tuning.
- Code reviews and DevOps integration.
Metrics
40%
Speed Boost (API)
1M+
Req/Handling
60%
Fewer Sync Failures
Senior Software Engineer
BestLife Holdings | Feb 2016 - Sep 2022
Systems Engineered
- Finance Ledger: Java Spring Boot + MySQL with secure auditing.
- Commission Engines: High-precision MLM calculation engines (PHP/Java).
- Inventory/POS: Java & Laravel based systems for retail.
- Designed RabbitMQ/Node.js microservices for async comms.
Impact
50% Less Manual Entry
Developed custom automation tools for internal operations.
99.9% Availability
Optimized code quality and database replication strategies.
IT Instructor & Supervisor
Infortec International Asia Campus | Jan 2013 - Feb 2016
Core Responsibilities
- Education Supervisor overseeing classroom activities and student progress.
- Prepared detailed syllabi and designed technical training programs.
- Optimized learning environments for higher student engagement.
Key Skills Utilized
Education & Certifications
Master of Data Science
Dalarna University, Sweden
BSc (Hons) Computing
Wrexham Glyndŵr University, UK
Diploma in Computer Science
Infortec International Asia Campus
Joomla – Web Development
Infortec International Asia Campus
Java Desktop Application Development
Infortec International Asia Campus
Computer Hardware & Networking
Infortec International Asia Campus
Verified Skills
HackerRank Certifications