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Madhura Jayashanka
SDG Youth Challenge 2025 – 1st Place Champions
AWS Certified Solutions Architect – Associate
AWS Community Builder

Full-Stack Engineer · AI & Cloud Native

2+ years owning production systems end-to-end. Shipped platforms serving 15,000+ users with Stripe & PayHere billing, TDD frameworks, and high-availability backends at scale.

"I ship fast without breaking production – clear structure, strong fundamentals, and thoughtful detail."

15K+Users Served
100+Articles Published
2+Years Production
TypeScriptReactNext.jsNode.jsSpring BootFastAPINestJSGoAWSServerlessDockerKubernetesTerraformPostgreSQLDynamoDBRedisLangGraphStripeGraphQLCI/CDGitHub ActionsTailwind CSSTypeScriptReactNext.jsNode.jsSpring BootFastAPINestJSGoAWSServerlessDockerKubernetesTerraformPostgreSQLDynamoDBRedisLangGraphStripeGraphQLCI/CDGitHub ActionsTailwind CSS
Experience

WhereI'veWorked

2+ years owning production systems end-to-end across React, Node.js, and PostgreSQL.

AT

Adalex Technologies

Software EngineerAug 2024 — Present
Remote, Full-time

Owned the full product lifecycle for AppliedExams.lk (15,000+ students) and Glitz&Clicks (70+ paying customers). Sole engineer from database schema through production deployment.

Owned the full product lifecycle for AppliedExams.lk, a full-stack LMS grown to 15,000+ students – sole engineer from database schema through production deployment; introduced TDD and integration test suites to prevent regressions
Engineered Glitz&Clicks, a serverless PWA with 70+ paying customers – integrated Stripe and PayHere with subscription lifecycle management, webhook reconciliation, and zero-leakage payment handling
Built event-driven backends with SQS, DynamoDB Streams, and Lambda; enforced CI/CD pipelines with automated test gates (GitHub Actions)
Secured multi-tenant applications using AWS Cognito – RBAC, federated identity, and session lifecycle management
EN

Enlear

Associate Software EngineerAug 2025 — Nov 2025
Part-time Contract

Deployed multi-agent AI workflows on AWS Bedrock with cross-service orchestration, cutting manual review turnaround time by ~80%.

Deployed multi-agent AI workflows on AWS Bedrock with cross-service orchestration, fully automating a manual review process and cutting turnaround time by ~80%
Implemented enterprise-grade authentication (Microsoft Entra ID, AWS Cognito, Amplify) – federated SSO, RBAC, and session management for regulated-access environments
Architected SQS and DynamoDB Streams pipelines for high-throughput event processing with sub-second latency targets
RC

Rootcode Labs

Software Engineering Intern – AI TeamFeb 2025 — Aug 2025
Full-time

Part of the NBQSA 2025 Gold Award winning team. Architected systems scaling to 8M+ users. Built React Native mobile frontend for European government platform.

Architected pub/sub messaging and SSE layer for an AI chatbot platform scaling to 8M+ users – GCP Pub/Sub, Redis, FastAPI, Docker, Cloud Run
Delivered a real-time SSE alert system for Porto Government (Clamigo) using Lambda, DynamoDB Streams, EC2, and SQS – part of the NBQSA 2025 Gold Award winning team
Built the complete React Native mobile frontend for a European government smart city platform – REST API integration, screen design, and offline state management
Delivered a Cloud Community talk on serverless content moderation with AWS
Represented Rootcode's AI team at NBQSA 2025
View Full Experience
Projects

SelectedWork

Projects that solve real problems with measurable impact

AppliedExams.lk – Full-Stack LMS
Case Study
AppliedExams.lk – Full-Stack LMS
Sole engineer for a production LMS serving 15,000+ students – owned every layer from schema to deployment with Serenity BDD + Selenium e2e tests.
Next.js
Node.js
PostgreSQL
AWS Lambda
+5
Glitz&Clicks – Production PWA
Case Study
Glitz&Clicks – Production PWA
Acquired 70+ paying customers on a serverless PWA with Stripe and PayHere billing, content moderation, and zero unplanned downtime.
Next.js
Node.js
PostgreSQL
Stripe
+7
Aspira Guard – Clinical Wearable Platform
Case Study
Aspira Guard – Clinical Wearable Platform
Patient monitoring system for silent aspiration detection in stroke patients. 1st Place at SDG Youth Challenge 2025, ICBI.
React
Node.js
PostgreSQL
Python
+2
Internify.fit
Case Study
Internify.fit
Official internship management platform for Faculty of IT, University of Moratuwa. Adopted by 450+ students.
React
Node.js
AWS
PostgreSQL
+2
View All Projects
Introduction

About

Full-Stack Engineer with 2+ years owning production systems end-to-end across React, Node.js, and PostgreSQL. AWS Certified Solutions Architect and Community Builder (Serverless). Shipped platforms serving 15,000+ users, established TDD frameworks from scratch, and published 100+ technical articles.
Madhura Jayashanka
AWS Certified Solutions Architect – Associate
AWS Community Builder
2025–26
Milestone

Full-Stack Engineer & AI & Cloud Native

AWS Certified Solutions Architect – Associate. NBQSA 2025 Gold (Rootcode AI Team). SDG Youth Challenge 2025 Champion. Built Meridian autonomous multi-agent research platform with LangGraph, EKS, and Bedrock. 100+ published technical articles.

2024–25
Milestone

Production Systems at Scale

Sole engineer for AppliedExams.lk (15,000+ students) and Glitz&Clicks (70+ paying customers with Stripe & PayHere). Introduced TDD and Serenity BDD testing. Built HIPAA-aware patient data pipelines for Aspira Guard (SDG 1st Place).

2023–24
Milestone

IEEE Leadership & Enterprise Engineering

Led IEEE Student Branch web team. Software intern at Macro Labs (Derana) building Go/NestJS microservices for UN platform. 3rd place Openhack 2.0, Top 15 RealHack 4.0.

2022
Milestone

University Excellence – Dean's List

BSc (Hons) IT & Management at University of Moratuwa. CGPA 3.76/4.0. Dean's List (L1S1: 4.00, L1S2: 3.93). Joined IEEE Student Branch.

Read my full story on About page
Writing

FromtheBlog

Thoughts on cloud-native development, architecture, and engineering practices

Scaling Like Amazon & Uber: PostgreSQL Replication Explained with a Hands-On Demo

Scaling Like Amazon & Uber: PostgreSQL Replication Explained with a Hands-On Demo

Learn how large-scale systems like Amazon and Uber handle thousands of writes and millions of reads using PostgreSQL replication. Includes a complete Docker Compose setup with 1 primary and 2 replicas.

Message Distribution Architecture with GCP Pub/Sub: A Hands-On Node.js Demo

Message Distribution Architecture with GCP Pub/Sub: A Hands-On Node.js Demo

Build scalable message distribution systems using Google Cloud Pub/Sub. Complete guide with Node.js examples for implementing event-driven architectures.

How to Build an Image Content Moderation System with AWS

How to Build an Image Content Moderation System with AWS

Step-by-step guide to building a serverless content moderation system using AWS services including Rekognition, Lambda, S3, API Gateway, and SQS. Includes architecture diagrams and best practices.

Read All Articles
Credentials

Certifications

Industry-recognized certifications validating cloud architecture and engineering expertise

SAA-C03

AWS Certified Solutions Architect – Associate

Amazon Web Services

CLF-C02

AWS Certified Cloud Practitioner

Amazon Web Services

Oracle Cloud Infrastructure Foundations Associate

Oracle

Designing Event-Driven Architecture

Amazon Web Services

Google Cloud Fundamentals: Core Infrastructure

Google Cloud / Coursera

Supervised Machine Learning: Algorithms, Math, and Code

DeepLearning.AI / Coursera

Connect

Let's Build Something

Looking for a cloud-savvy engineer who writes clean code and ships fast? Let's talk.

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