Open to Opportunities

Architecting
Scalable Systems.

Software Architect specializing in Seasoned Software Architect with over two decades of engineering expertise. I specialize in elevating companies' software development capabilities, crafting superior software, enhancing engineering productivity, and devising strategic architectural roadmaps.

Sitecore XM Cloud Developer
Certified
25+ Years Experience
Since 1999
B.Bus, Dip. Com. Appl.
University of Technology Sydney
Industry Experience
Travel, Healthcare, Legal, Financial Services, Consulting

Experience

27+ Years Active

Software Architect

CURRENT

Productive Edge2022-02-01 - Present

  • Designed and built YARP-based reverse proxy service providing response caching, resilience, rate limiting, and L1/L2 hybrid cache mechanism
  • Spearheaded development of high-performance API Key validation service achieving 300K+ transactions per hour
  • Doubled concurrent user capacity in Sitecore Web Application through performance optimization
  • Integrated OpenTelemetry across microservices for comprehensive logging, tracing, and metrics
  • Directed migration of multiple microservices to .NET 8 with improved performance and security
  • Implemented feature flagging using Azure Feature Management with front-end support and browser-based overrides
  • Built the initial high level architecture of a large, high volume logistics system
C#
.NET 8
Azure
YARP
Redis
OpenTelemetry
Sitecore
SQL Server
Grafana
Prometheus

Senior Solutions Architect, Web Engineering

Carnival Cruise Line2021-02-01 - 2022-02-01

  • Construction of Architectural Roadmap for multiple public Carnival web properties
  • Conceptualized and architected new page development stack using Sitecore JSS and Uniform for a JAM Stack
  • Planned and designed migration of WFFM forms to Sitecore Forms
  • Refactoring caching infrastructure for carnival.com with L1/L2 architecture using Redis
  • Pricing and negotiation for Sitecore JSS licensing
  • Remediation of Penetration Tests and Security Scans
Sitecore JSS
React
Redis
.NET Core
AWS
Kubernetes

Software Architect

Carnival Cruise Line2013-06-01 - 2021-02-01

  • Migrated Carnival.com to Sitecore 10 and Kubernetes in AWS EKS
  • Improved homepage performance from 10th to 1st in industry peer ranking
  • Delivered new mobile homepage, reduced page weight from 4MB to 680KB
  • Developed personalization engine used 1M times/day across carnival.com
  • Increased scrum team velocity 50% in first year, 28% in second without increasing costs
  • Lead the Mobile team delivering full booking engine as SPA
Sitecore
ASP.NET MVC
C#
AWS
Kubernetes
Redis
SOLR
TypeScript
AngularJS

Software Architect II

Aderant2011-10-01 - 2013-06-01

  • Designed and implemented architecture for RESTful API for SaaS/Cloud product
  • Refactored build and deployment process for Azure IaaS and QA servers using Web Deploy
  • Designed Windows DLL and JavaScript proxies for HTTP API consumption
  • Developed federated authentication infrastructure for single sign-on scenarios
  • Designed security mechanisms to protect against XSS and CSRF exploits
ASP.NET MVC 3
C#
.NET 4.0
jQuery
jQuery UI
LINQ to SQL
Azure IaaS
SQL Server 2008

Software Architect I

Aderant2006-01-01 - 2011-10-01

  • Conceptualized and developed PoC for new SaaS product architecture with HTML front-end consuming WCF services
  • Designed SaaS/Cloud implementation including multi-tenant support for legacy on-premise product
  • Team lead for new generation application using WPF, WCF, DDD and TDD
  • Global troubleshooter for critical client issues - specifically requested by clients worldwide
  • Led team to reskin legacy UI for both rich client (GDI) and browser
HTML
jQuery
jQuery UI
ASP.NET
ASP.NET MVC
WPF
WCF
C#
.NET 3.5/4.0
Knockout.js
SQL Server 2008

Software Developer III

Aderant2005-01-01 - 2006-01-01

  • Lead developer on projects to enhance C++ Windows product
  • Developed mixed-mode assemblies for managed/unmanaged interop to leverage .NET Framework
  • Designed and coded SmartLinks infrastructure (context-based customizable links)
  • Created Browser Control for use in unmanaged C++ product with customizable UI
  • Refactored Full Text search engine (ISYS) host for better reliability and stability
VC++
Mixed Mode
GDI
C#
ASP.NET
SQL Server 2005

Software Developer II

Aderant2002-04-01 - 2005-01-01

  • Developed .NET based web application in ASP.NET, C#, COM+ and SQL Server
  • Developed infrastructure for user-preference management
  • Maintained legacy Windows product in C++ including GDI development
  • Modified legacy code to be SQL ANSI 92 compliant
C#
ASP.NET
COM+
Web Services (XML)
SQL
VC++
GDI

Software Developer I

Aderant2000-10-01 - 2002-04-01

  • Web development for application targeting professional services industry
  • Replaced custom compression algorithm with ZIP library for email attachments
  • Maintenance and bug fixes for Windows application in VB 6.0 and VC++
HTML
JavaScript
XML
ASP
SQL Server
Oracle
VB 6.0
VC++

Developer and Integration Specialist

DST International1999-01-01 - 2000-10-01

  • Provided enterprise support for AWD (Automated Work Distributor) workflow system at major clients including Commonwealth Bank, Allianz, and CSC
  • Performed production troubleshooting including log analysis, SQL-based data investigation, and corruption remediation
  • Led overnight data migration monitoring for major insurance company deployment, staying onsite to ensure successful cutover
  • Integrated third-party Eyes & Hands OCR product with AWD workflow system, transitioning into development work
  • Built additional extensions and integrations for AWD to meet client-specific requirements
VB 6.0
C++
SQL Server
Windows Server
AWD (Automated Work Distributor)
Eyes & Hands OCR
Document Imaging Systems

Skills Matrix

A transparent overview of my technical capabilities. I believe in knowing what you know, and acknowledging what you don't.

Strong
AI/LLM Integration & Orchestration
C# / .NET Core
Software Architecture
Performance Optimization
Microsoft Azure
Sitecore CMS
SQL Server / Database Design
OpenTelemetry / Observability
Redis / Distributed Caching
Microservices Architecture
ASP.NET MVC / Web APIs
Moderate
React / TypeScript
AWS / Kubernetes
Identity / Authentication
Gaps

Areas where I rely on specialists or am currently learning.

Mobile Native Development
Machine Learning (Model Development)

What I'm Building Now

Active projects demonstrating current building capability.

drolfe.com

drolfe.com

by Personal

BETA

This AI-powered personal site you're viewing. Built with Next.js, Supabase, and Claude API to showcase an interactive approach to professional presentation.

Next.js
TypeScript
Supabase
Claude API
+4
LogTalk

LogTalk

by Vertrus

BETA

AI-powered platform that transforms technical changelogs, release notes, and commit history into engaging audio podcasts and narrated video content. Features GitHub integration, multi-speaker podcast modes, and D-ID talking-head video generation.

Next.js
TypeScript
Supabase
Claude API
+4
Spendry

Spendry

by Vertrus

DEVELOPMENT

Behavioral guardrail mobile app for credit card debt management. Features Plaid integration for spending monitoring, traffic light status system, and soft/emergency locks with cooling-off periods. Your credit card bodyguard.

React Native
Expo
TypeScript
Supabase
+3
Kshana

Kshana

by Vertrus

DEVELOPMENT

Universal cross-device clipboard service with memorable phrase-based links. Privacy-first ephemeral sharing with auto-deletion, QR codes, and direct-to-R2 uploads. Move anything, to any device, instantly.

Next.js
TypeScript
Supabase
Cloudflare R2
+4
PawPhotos

PawPhotos

by Vertrus

DEVELOPMENT

AI lifestyle product photography with AI-generated pets for pet product businesses and Etsy sellers. Features style presets like Cozy Home, Outdoor Adventure, and more. Part of the SceneIQ product family.

Next.js
TypeScript
Supabase
Google Gemini
+8
DishUp

DishUp

by Vertrus

DEVELOPMENT

AI-powered professional food photography for restaurants and food businesses. Transforms product photos into stunning menu imagery with Menu Safe and Influencer Vibes modes. Part of the SceneIQ product family.

Next.js
TypeScript
Supabase
Google Gemini
+4
SceneIQ

SceneIQ

by Vertrus

DEVELOPMENT

AI marketing content engine powering vertical-specific products. Generates professional photos and videos for businesses using Gemini and Veo/Sora. Features dimensional UX with Creative Director personalities and platform-optimized outputs.

Next.js
TypeScript
Supabase
Google Gemini
+6
AIBidder

AIBidder

by Vertrus

DEVELOPMENT

AI-powered ad optimization platform enhancing header bidding through pre-bid intelligence. Analyzes page context and generates targeting signals before ad networks bid, improving publisher revenue while remaining auction-compliant.

Next.js
TypeScript
Cloudflare Workers
Cloudflare KV
+3

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