I'm
Hasitha
Wickramasinghe
ABOUT
Application Architect
Full-stack Engineer
Application Architect and Senior Full-Stack Engineer with 7+ years of experience shipping scalable and resilient web applications using a modern tech stack that includes React, Next.js, Node.js and GenAI, on AWS leveraging Cloud-Native & AI-Native technologies such as Serverless and the Bedrock AgentCore runtime, with IaC.
CERTS
Top Skills
AWS
Cloud-Native
Microservices
Serverless
Event-Driven
Distributed Systems
React
UI/UX
Component Architecture
A11y
State Management
RSC
TS
Tailwind
Next
UI/UX
SSR
SEO
App Router
State Management
TS
Node.JS
Backend
APIs
Runtime
TS
Validation
Tooling
AWS CDK
IaC
AWS Infrastructure
Imperative Infra Management
DevOps
Terraform
IaC
Provisioning
HCL
Declarative Infra Management
DevOps
Express
Backend
REST APIs
Routing
Middleware
Auth
RBAC
Strapi CMS
CMS
Headless
Content Modeling
APIs
Content Workflows
GitHub Actions
CI/CD
Automation
DevOps
Release Workflows
Bedrock AgentCore
AI Agents
LLM Orchestration
GenAI
RAG
Agent Workflows
Docker
Containers
DevOps
Local Environments
Deployment
Api Gateway
APIs
Routing
Serverless
Microservices
Security
Auth
GraphQL Federation
GraphQL
Schema Design
Microservices
Apollo
Subgraphs
API Design
GitHub
Source Control
Collaboration
Code Review
TBD
GitFlow
Release Management
GitLab
Source Control
CI/CD
Collaboration
Code Review
AWS AppConfig
Feature Flags
Canary Releases
A/B Testing
Config Management
SKILLS
Experience
Changelog from my journey
I've been working as an Application Architect (AWS) for the past year. Here's the timeline of my journey.
Feb 2025 - Present
Application Architect
Feb 2025 - Present
Application Architect
Jaiden Group
Houston, TX, United States (Remote)
- Driving the transition to cloud-native architectures, leveraging Serverless & Microservices to enhance scalability and cost-efficiency.
- Standardized DevOps workflows by implementing automated CI/CD pipelines via GitHub Actions across all active projects.
AWS
Cloud-Native
Application Architecture
Serverless
DevOps
AWS CDK
Canary Releases
Github Actions
Collaboration
Feb 2023 - Feb 2025
Sr. Full Stack Developer
Feb 2023 - Feb 2025
Sr. Full Stack Developer
Jaiden Group
Houston, TX, United States (Remote)
- Accelerated deployment cycles by transitioning internal tools to IaC (AWS CDK & CloudFormation), significantly reducing manual overhead and infrastructure drift.
AWS
React
DevOps
AWS CDK
Containerization
Github Actions
Release Management
Config Management
Mar 2024 - Present
Sr. Full Stack Engineer
Mar 2024 - Present
Sr. Full Stack Engineer
Sketch Your Brand
Houston, TX, United States (Remote)
- Architected event-driven workflows using AWS Step Functions to handle complex business logic and workflow automation.
Event-Driven
Agent Workflows
Microservices
React
Node.JS
Stripe
AWS Bedrock
System Design
Jul 2022 - Present
Technical Lead
Jul 2022 - Present
Technical Lead
Ok Webs IT Solutions
Colombo, LK (On-site)
- Led the architecture and delivery of high-scale cloud solutions, including an ML-driven recommendation engine for a dating platform and a property service marketplace for the ANZ market.
- Mentored a cross-functional team through rigorous code reviews and technical roadmap planning.
- Streamlined internal operations by building a custom AWS deployment portal using Coolify and Service Catalog to empower non-technical teams with one-click infra provisioning.
AWS
React
Next
Express
Prisma
GraphQL
Strapi
Platform Engineering
Code Review
A/B Testing
Feature Flags
GenAI Development
Aug 2020 - Jul 2022
Full Stack Web Developer
Aug 2020 - Jul 2022
Full Stack Web Developer
Ok Webs IT Solutions
Colombo, LK (On-site)
- Owned the full-stack development lifecycle for diverse web applications, ranging from an online exam system to a complex inventory management SPA integrated with Clover.
React
Next
Express
Strapi
GraphQL
GitHub
Full Stack Development
Jun 2019 - Aug 2020
Developer | Consultant
Jun 2019 - Aug 2020
Developer | Consultant
Self-employed
Colombo, LK (Hybrid)
- Delivered end-to-end web and mobile solutions while providing strategic technical consultancy to non-technical stakeholders.
React
Xamarin
React-Native
.NET
GitHub
Full Stack Development
EXPERIENCE
Education & Certs
AWS Certified Generative AI Developer - Professional
Issued Mar 2026 · Expires Mar 2029 (Early Adopter)
Show Credential
BEng (Hons) in Software Engineering - First-Class Honours
London Metropolitan University (2019)
EDU & CERTS
Blog
Deep dives into building resilient, scalable and sustainable systems. Well-Architected explores the modern web and robust AWS infrastructure, focusing on best practices for the full-stack lifecycle.
View All Articles
The Ultimate Multi-Account & Multi-Regional AWS Terraform Landing Zone
aws
security
devops
terraform
infrastructure-as-code
github-actions
Why I Swapped semantic-release for release-please
automation
devops
software-engineering
github-actions
ci-cd
When AI-Written Code Becomes the Death of Deep Understanding
ai
technical-debt
code-review
software-engineering
agentic-engineering
The Ultimate Multi-Account & Multi-Regional AWS Terraform Landing Zone
aws
security
devops
terraform
infrastructure-as-code
github-actions
Why I Swapped semantic-release for release-please
automation
devops
software-engineering
github-actions
ci-cd
When AI-Written Code Becomes the Death of Deep Understanding
ai
technical-debt
code-review
software-engineering
agentic-engineering
The Ultimate Multi-Account & Multi-Regional AWS Terraform Landing Zone
aws
security
devops
terraform
infrastructure-as-code
github-actions
Why I Swapped semantic-release for release-please
automation
devops
software-engineering
github-actions
ci-cd
When AI-Written Code Becomes the Death of Deep Understanding
ai
technical-debt
code-review
software-engineering
agentic-engineering
Amazon S3 Files for Stateful Containers
aws
wordpress
serverless
cloudcomputing
aws-cdk
Deep Dive: Building a Secure, Event-Driven File Processing Pipeline with AWS CDK
microservices
aws-cdk
cloud-architecture
stepfunction
event-driven-architecture
Mastering Cross-Account SNS to SQS Subscriptions with AWS CDK
microservices
aws
aws-cdk
cloud-architecture
Amazon S3 Files for Stateful Containers
aws
wordpress
serverless
cloudcomputing
aws-cdk
Deep Dive: Building a Secure, Event-Driven File Processing Pipeline with AWS CDK
microservices
aws-cdk
cloud-architecture
stepfunction
event-driven-architecture
Mastering Cross-Account SNS to SQS Subscriptions with AWS CDK
microservices
aws
aws-cdk
cloud-architecture
Amazon S3 Files for Stateful Containers
aws
wordpress
serverless
cloudcomputing
aws-cdk
Deep Dive: Building a Secure, Event-Driven File Processing Pipeline with AWS CDK
microservices
aws-cdk
cloud-architecture
stepfunction
event-driven-architecture
Mastering Cross-Account SNS to SQS Subscriptions with AWS CDK
microservices
aws
aws-cdk
cloud-architecture
Protecting Your Users with NSFWJS
content-moderation
explicit-content-filtering
indecent-content-filtering
Elevate Your UI with Dynamic Text Shadows in React with ShineJS
reactjs
neumorphism
shinejs
text-shadow
Protecting Your Users with NSFWJS
content-moderation
explicit-content-filtering
indecent-content-filtering
Elevate Your UI with Dynamic Text Shadows in React with ShineJS
reactjs
neumorphism
shinejs
text-shadow
Protecting Your Users with NSFWJS
content-moderation
explicit-content-filtering
indecent-content-filtering
Elevate Your UI with Dynamic Text Shadows in React with ShineJS
reactjs
neumorphism
shinejs
text-shadow
TECHNICAL BLOG
Open Source Highlights
Meilisearch Strapi Plugin
An open-source Strapi plugin that brings Strapi collections to Meilisearch, an open-source high-performance search engine written in Rust.
Merged PRs:
OSS CONTRIBUTIONS
Connect
Well-Architected Blog
CONNECT
Hasitha Wickramasinghe
Application Architect | AWS Certified Solutions Architect Pro & GeneAI Developer Pro | BEng (Hons) in Software Engineering | Full-Stack Developer
Building Resilient, Scalable, Sustainable and Well-Architected Systems.
FOOTER
Copyright © 2026 · Hasitha Wickramasinghe