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. 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

Jeevan90wijerathna@gmail.com +64 22 67 33 146 iamjeevan.com Auckland, New Zealand

Experience

Technical Lead

2023 - Present

Datacom, New Zealand

  • 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

Key Projects

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 C# WEB-API Identity Server React Redux Azure
  • Implemented proactive application monitoring to ensure business continuity
  • Delivered scalable architectural solutions for critical business functions
Rockgas Gas Order Application
Ongoing

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

.NET Flutter Mobile Apps Web Azure Terraform API
  • Architected scalable cross-platform solution with Flutter mobile apps and web interface
  • Implemented Infrastructure as Code using Terraform for automated Azure resource provisioning
  • Designed robust API architecture to support multiple client applications
Dairybase Modernization
Completed

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

Java Azure B2C Azure Front Door APIM Azure Functions API
  • 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
Southern Cross Applications
Ongoing

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

.NET C# WEB-API React Redux TypeScript Azure Angular 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

Senior Software Engineer

2020 - 2022

Kinesso, Malaysia

  • 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

Key Projects

Magnifiq
2 years

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

.NET GRPC SQL Server AWS Docker Jenkins 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 Web-API Dagster Python AWS Angular
  • Migrated legacy ETL processes to a modern platform
  • Improved ETL performance and scalability

Software Engineer

2017 - 2022

Sitecore, Malaysia

  • 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

Software Engineer

2015 - 2017

CMS Pvt Ltd, Colombo, Sri Lanka

  • 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

Software Engineer

February 2013 - December 2014

Bileeta Pvt Ltd, Sri Lanka

  • 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

Education

National School of Business Management, Sri Lanka

Bachelor of Science in Management Information Systems

2014

Skills

Backend & Core Technologies

C#/.NET Core, ASP.NET Web API, TypeScript, JavaScript, Java, RESTful APIs, Web Services

Architecture Patterns & Design

CQRS, Domain-Driven Design, Service Oriented Architecture, Clean/Verticle Slice Architecture, SOLID Principles

Cloud & Infrastructure

Azure, AWS, Public Cloud, Hybrid Cloud Platforms, Docker, Kubernetes, Microservices, Terraform, Bicep, ARM, Infrastructure as Code

DevSecOps & CI/CD

DevSecOps Practices, Azure DevOps, GitHub Actions, Jenkins, TeamCity, Azure Pipelines, Platform Security Standards

Systems Integration & APIs

REST APIs, Web Services, Systems Integration, Enterprise Application Integration, API Design, Service Orchestration

Technical Leadership & Collaboration

Technical Leadership through Influence, Cross-functional Team Collaboration, Developer Mentoring, Tech Stack Decision Making, Agile Delivery

Enterprise & Platform Development

Enterprise Software Modernization, Legacy System Migration, Platform Architecture, Scalable Solutions

Emerging Technologies & AI

AI Workflows, Modern Development Practices, Innovation Leadership

Databases & Storage

SQL Server, PostgreSQL, Oracle, Azure Storage, Azure Cosmos DB, Database Performance Optimization

Quality & Testing

XUnit, SpecFlow, TDD, Clean Code, Code Reviews, Quality Assurance, Testing Strategies

Certifications

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

Personal Projects

Resume Pro

resumepro.iamjeevan.com

Built an ATS-friendly resume generator using Next.js, React, and Tailwind CSS. Implemented modern UI with real-time preview and multiple templates.

TypeScript Next.js React Tailwind CSS

Vanish Notes

vanishnotes.iamjeevan.com

Developed a self-destructive note sharing application. Implemented end-to-end encryption and auto-deletion features.

Next.js Node.js MongoDB Crypto.js

NZ Salary Calculator

nzsalarycalculator.iamjeevan.com

Created a comprehensive salary calculator for New Zealand employees. Includes tax calculations, KiwiSaver, and other deductions.

React TypeScript Tailwind CSS

Flash Card Fest

flash-card-fest.netlify.app

Designed an AI-powered study flash card generator. Integrated with OpenAI API for automated content generation.

React OpenAI API Node.js Express

WindowSnap

windowsnap.vercel.app

Native macOS window management application with lightning-fast keyboard shortcuts for snapping windows to precise grid positions. Features multi-monitor support, accessibility compliance, and sleep/wake recovery.

Swift AppKit Accessibility APIs Core Graphics macOS