Jeevan Wijerathna

Results-driven Software Engineer with over 10 years of experience in architecting, designing, and delivering scalable, cloud-native solutions. Certified in AWS, Azure, and Sitecore, with deep expertise in .NET technologies, backend and frontend development, and cloud infrastructure.

Auckland, New Zealand

About

Proven leader in driving technical strategy, mentoring engineering teams, and modernizing legacy systems. Passionate about clean code, Domain-Driven Design, and building maintainable, high-quality software solutions. Experienced in leading cross-functional teams, making architectural decisions, and delivering enterprise-grade cloud-native applications.

Work Experience

Datacom 2023 - Present
Technical Lead
  • Architected and designed scalable solutions with cross-functional teams, driving technical strategy for critical business applications
  • Led technical decisions and code reviews, ensuring adherence to software engineering best practices and architectural standards
  • Mentored development teams and provided technical leadership across multiple concurrent projects
  • Implemented robust backend solutions using .NET, C#, and Azure cloud technologies with Infrastructure as Code
  • Optimized application performance and Azure costs through strategic architectural improvements and monitoring
  • Facilitated backlog grooming, sprint planning, and technical discussions with stakeholders to deliver high-quality solutions
  • Modernized legacy applications by transitioning to cloud-native, microservices, and event-driven architectures
.NET C# Azure React TypeScript Terraform Flutter
Key Projects
Rockgas Gas Order Application Ongoing
www.rockgas.app

Leading the design and implementation of a comprehensive gas order management system with cross-platform capabilities.

.NET Flutter Mobile Apps Azure Terraform Entity Framework
  • Architected scalable cross-platform solution with Flutter mobile apps and .NET backend
  • Implemented Infrastructure as Code using Terraform for automated Azure resource provisioning
  • Designed robust API architecture to support multiple client applications
Southern Cross Applications Ongoing

Architected and delivered modernized business-critical applications with focus on React frontend excellence and cloud-native solutions.

.NET React Redux TypeScript Azure Sitecore
  • Led frontend development using React with modern patterns including hooks, context API, and TypeScript
  • Architected responsive and accessible user interfaces with Redux state management
  • Ensured business continuity by resolving P1/P2 issues and implementing proactive monitoring
  • Migrated legacy applications to microservices architecture with React-based SPAs
Fonterra Inventory Management System Ongoing

Trace It is an inventory management system for Fonterra, New Zealand's largest dairy company.

Oracle Apex PL/SQL
  • Implemented a new feature to track samples inventory
  • Introduced software engineering best practices to avoid/minimize deployment/development risks
PGDB Application Portal Ongoing

Developed a portal for managing licenses and certifications for NZ practitioners.

.NET Identity Server React Redux Azure
  • Implemented proactive application monitoring to ensure business continuity
  • Delivered scalable architectural solutions for critical business functions
Dairybase Modernization Completed

Modernized legacy Java application with comprehensive authentication overhaul and seamless API integration.

Java Azure B2C Azure Front Door APIM Azure Functions
  • Modernized authentication system with Azure B2C integration for enhanced security
  • Exposed integration APIs through seamless authorization using Azure Front Door and APIM
  • Implemented Azure Functions for scalable API endpoints with B2C authentication
Kinesso 2020 - 2022
Senior Software Engineer
  • Designed and implemented modernized legacy applications using microservices architecture
  • Developed GRPC services for inter-process communication and optimized database performance
  • Automated deployments using Jenkins and introduced DevOps practices for database development
  • Integrated various data sources like Snowflake, Redshift, and Athena for analytics tools
  • Monitored application performance using DataDog and implemented CI/CD pipelines
.NET GRPC AWS Docker Jenkins Snowflake
Key Projects
Magnifiq 2 years

Developed a business intelligence analytics tool with custom ETL and reporting capabilities.

.NET GRPC SQL Server AWS Docker Snowflake
  • Streamlined database development with Flyway for version control
  • Reduced manual deployment efforts by automating processes
Apollo ETL Platform 1 year

Built an ETL orchestration platform using Dagster and developed a dashboard UI.

.NET Dagster Python AWS Angular
  • Migrated legacy ETL processes to a modern platform
  • Improved ETL performance and scalability
Sitecore 2017 - 2020
Software Engineer
  • Developed Sitecore platform modules to enhance CMS functionality with Azure Storage and CDN support
  • Implemented backend services using WEB-API and C#, and developed front-end applications using Angular
  • Set up CI pipelines and automated deployments using PowerShell and TeamCity
  • Participated in R&D, sprint planning, and cross-functional team collaboration
Angular .NET C# Azure ARM Templates PowerShell
Key Projects
Sitecore Azure Marketplace 2 years
Azure Marketplace

Developed a comprehensive tool to enable users to deploy Sitecore directly into their Azure subscription through the Azure portal.

Angular .NET API ARM Templates Graph APIs Azure PaaS
  • Architected and developed the Azure Marketplace integration for seamless Sitecore deployment
  • Implemented ARM template automation for infrastructure provisioning within user subscriptions
  • Integrated Microsoft Graph APIs for Azure resource management and user authentication
  • Built responsive Angular frontend for intuitive deployment configuration and monitoring
Sitecore Blob Storage Module 1 year
Documentation

Developed a Sitecore module to integrate Azure Blob Storage for media asset management.

.NET C# Azure Blob Storage Sitecore
  • Implemented Azure Blob Storage integration for Sitecore media library management
  • Developed custom media provider for seamless cloud storage integration
  • Optimized media delivery performance through cloud storage architecture
Sitecore Content Delivery Network (CDN) 1 year
Documentation

Built CDN integration capabilities for Sitecore to enhance content delivery performance and global scalability.

.NET C# Azure CDN Sitecore
  • Developed CDN integration module for optimized content delivery across global regions
  • Implemented intelligent caching strategies for improved website performance
  • Enhanced Sitecore's scalability for high-traffic enterprise implementations
Sitecore Self Service Support Portal 1 year
support.sitecore.com

Built a self-service support portal for Sitecore customers using ServiceNow.

ServiceNow AngularJS JavaScript
  • Gathered requirements from stakeholders and designed the architectural solution
  • Implemented features using ServiceNow platform for customer support workflows
  • Delivered a self-service portal improving support efficiency for enterprise customers
CMS Pvt Ltd 2015 - 2017
Software Engineer
  • Developed and maintained scalable e-commerce solutions for European markets
  • Modernized legacy systems and implemented responsive front-end designs
  • Optimized database performance and implemented caching mechanisms
ASP.NET MVC C# SQL Server KnockoutJS Solr
Key Projects
Redcorp B2B E-Commerce Platform 2 years
redcorp.com

Developed a B2B e-commerce platform serving European markets with storefront and backend solutions.

ASP.NET MVC5 C# SQL Server Dapper ORM KnockoutJS Solr SASS
  • Designed and implemented e-commerce storefront and backend solution working closely with domain experts
  • Proposed architectural considerations and led solution design for scalable B2B workflows
  • Implemented and managed search functionality using Apache Solr
  • Managed data synchronization schedule jobs with external systems
Bileeta Pvt Ltd 2013 - 2014
Software Engineer
  • Contributed to the development of an award-winning cloud ERP solution
  • Designed and implemented backend services and real-time features
  • Optimized database performance and implemented stored procedures
C# .NET SQL Server SSRS SaaS
Key Projects
Entution - Cloud ERP Platform 2 years
bileeta.com

Contributed to an award-winning SaaS cloud ERP solution providing enterprise resource planning capabilities.

C# .NET SQL Server SSRS
  • Designed and implemented management dashboards and decision support modules
  • Built backend services using C# .NET with SQL Server stored procedures
  • Developed reporting solutions using SQL Server Reporting Services (SSRS)
  • Followed industry best practices and optimization strategies for cloud deployment

Education

National School of Business Management, Sri Lanka

Bachelor of Science in Management Information Systems

2010 - 2014

Skills

C#/.NET Core ASP.NET Web API TypeScript JavaScript Java React Angular Azure AWS Docker Kubernetes Terraform Microservices CQRS Domain-Driven Design Clean Architecture SOLID Principles Azure DevOps GitHub Actions CI/CD SQL Server PostgreSQL Cosmos DB REST APIs Systems Integration TDD Technical Leadership Agile/SAFe

Certifications

AWS Certified Solution Architect Associate AWS Certified Developer Azure Certified Developer Sitecore 9 Certified Developer SAFe 4.0 Practitioner

Side Projects

ATS-friendly resume generator with real-time preview and multiple templates.

TypeScript Next.js React Tailwind CSS

Self-destructive note sharing app with end-to-end encryption and auto-deletion.

Next.js Node.js MongoDB Crypto.js

NZ Salary Calculator

nzsalarycalculator.iamjeevan.com

Comprehensive salary calculator for NZ employees with tax, KiwiSaver, and deductions.

React TypeScript Tailwind CSS

Flash Card Fest

flash-card-fest.netlify.app

AI-powered study flash card generator integrated with OpenAI API.

React OpenAI API Node.js Express

Native macOS window management app with keyboard shortcuts for snapping windows to grid positions.

Swift AppKit Accessibility APIs Core Graphics

Kiwi Lankan Fitness

kiwilankanfitness.com

Professional fitness coaching website for a 2x NZ Champion personal trainer with transformation gallery, booking integration, and member portal.

HTML CSS JavaScript Responsive Design