~/shamodha
Senior AI & Cloud Arch
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Career Milestones & Leadership

Professional Experience

A chronological timeline of engineering leadership, polyglot microservice architectures, enterprise cloud deployments, and academic lecturing.

Senior Software Engineer

Leadership
Softcare Technologies (Pvt) Ltd
Sep 2025 – Present
Colombo, Sri Lanka
  • Lead and mentor an engineering team of 5+ developers, establishing Agile sprint velocity and zero milestone delays.
  • Architect centralized SaaS ERP platforms utilizing React, Spring Boot, OpenStack, Docker, and Kubernetes clusters, scaling backend infrastructure to support 10,000+ concurrent enterprise users with zero downtime.
  • Optimize multithreaded backend execution, thread pool allocation, and database query indexes to maximize throughput and minimize latency under peak transaction volumes.
  • Direct technical architecture reviews, CI/CD automated gates, and microservices decomposition strategies.
✓ 10,000+ Concurrent Users✓ 100% On-time Deliveries✓ Zero Downtime Deployments
Spring BootSpring WebFluxReactOpenStackDockerKubernetesPostgreSQLRedis

Lecturer (Software Engineering & Computer Science)

Academic
Institute of Software Engineering (IJSE)
Sep 2024 – Present
Panadura, Sri Lanka
  • Lecturer & Coursework Lead for Software Architectures & Design Patterns II: Designing and delivering technical curriculum covering Monolithic vs. Polyglot Microservices, Event-Driven Architecture, SOLID Principles, and GoF Design Patterns.
  • Hands-on Lead for Rapid Application Development (RAD): Mentoring and architecting full-stack production systems using modern MERN Stack (MongoDB, Express.js, React, Node.js) with clean architecture boundaries.
  • Lead for Advanced Mobile Development: Instructing cross-platform mobile engineering with React Native, state management, native device APIs, and high-performance offline caching.
  • Deliver practical cloud laboratories on Polyglot Microservices (Spring Boot, Spring WebFlux, Express.js, Flask), Docker containerization, Azure VM administration, Nginx load balancing, K3s Kubernetes clustering, and GitHub Actions CI/CD pipelines.
  • Audit developer codebases, enforcing clean architecture patterns, data encryption standards (AES/RSA), secure GCP Secret Manager credential injection, and zero-delay execution.
✓ Software Architectures✓ MERN Stack RAD✓ React Native Mobile
Software ArchitectureMERN StackReact NativeSpring WebFluxMicroservicesK3sDocker

Software Engineer

Full-time
Softcare Technologies (Pvt) Ltd
Oct 2024 – Sep 2025
Colombo, Sri Lanka
  • Engineered modular web components and scaled backend logic for multi-tenant enterprise applications processing high-volume daily transactions with zero downtime.
  • Orchestrated Point of Sale (POS) backends implementing strict PostgreSQL schema separation per tenant, automated migrations via Flyway, and Redis caching layers, reducing data retrieval latency by up to 40%.
  • Enforced PCI DSS-compliant credential management using GCP Secret Manager and dynamic environment injection, eliminating hardcoded secrets across CI/CD pipelines.
✓ 40% Latency Reduction✓ Multi-Tenant Isolation✓ PCI DSS Compliance
PostgreSQLFlywayRedisSpring BootGCP Secret ManagerPCI DSSReact

Associate Software Engineer

Full-time
Sentura Technologies (Pvt) Ltd
Feb 2024 – Jul 2025
Colombo, Sri Lanka
  • Architected secure backend microservices for 'Olo Emergency Car Breakdown & Roadside Service System', a mission-critical car service dispatch platform.
  • Implemented strict PCI DSS standards for card processing, end-to-end data encryption (AES/RSA), and cryptographic hashing (SHA-256), seamlessly integrating Stripe and PayPal payment gateways.
  • Engineered 'Slidee Real-Time Chat', a mobile-responsive communication platform utilizing React, Spring Boot, and Firebase for real-time synchronization, deployed on Google Cloud Platform with IPG integrations.
✓ Emergency Car Dispatch✓ Real-Time WebSocket Sync✓ Payment Gateways
MicroservicesSpring BootReactFirebaseGCPAES/RSAStripePayPal

Associate Software Engineer / Full Stack Developer

Part-time
OC Technologies Group
Nov 2022 – Jan 2024
Kurunegala, Sri Lanka
  • Engineered full-stack web and mobile systems leveraging modern JavaScript/TypeScript frameworks and optimized relational database queries.
  • Managed production Linux server provisioning (Linode/Ubuntu), Nginx reverse proxy configurations, UFW firewall security rules, and automated deployment pipelines.
  • Spearheaded development of 'TimeFlow Enterprise HR & Payroll ERP', integrating complex leave ledgers and automated salary disbursement calculation engines.
✓ HR & Payroll Automation✓ Linux Server Hardening✓ Reverse Proxy Ingress
Node.jsExpressReactPostgreSQLSequelize ORMLinux/UbuntuNginx

Senior Freelance Software Engineer & Consultant

Contract
Self-Employed / Remote International
2020 – Present
Global Clients
  • Delivered 30+ scalable end-to-end full-stack architectures for international and local clients, managing complete SDLCs from cloud infrastructure provisioning to secure payment gateway integrations.
  • Engineered live commercial solutions including HyperTech E-Commerce and Kurtashia Fashion with tokenized Koko Pay, Payzy, and custom Cloudflare DNS routing.
  • Provided consultative architecture audits for startups transitioning from monolithic frameworks to containerized microservices.
✓ 30+ International Deliveries✓ Custom Payment Solutions✓ Startup Consulting
TypeScriptNext.jsReact NativeSpring BootCloudflareDockerPayment APIs