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Dondon Herrera

Modern web products delivered with production-ready architecture, SEO optimised for search engines, integrated AI features, ready to deploy, strong UX, and measurable performance outcomes.

08Projects

68Technologies

E-Commerce Operations & Integration — 6 Australian Consumer Brands

Multi-brand e-commerce backbone for Toppik, Waterpik, Curash, Flawless, Therabreath, and Hero Cosmetics on BigCommerce B2C and B2B. A custom Windows Service layer automated order fulfillment end-to-end via Cargoline and Pronto (FTP-backed APIs)—cutting manual processing time by about 60% while keeping high-volume retail operations predictable.

Six consumer brands on unified BigCommerce B2C & B2B
Windows Services automation for fulfillment pipelines
Deep Cargoline + Pronto integration over FTP
~60% reduction in manual order handling

Tech used

BigCommerceWindows ServicesCargolineProntoB2BFTP integrationsC#IISSOAPETL pipelinesStructured logging

Jurlique — Real-Time E-Commerce Event Integration

Real-time monitoring for Jurlique on BigCommerce: webhooks and ngrok gave full-spectrum listening across storefront events. Incident detection moved from hours to minutes by surfacing problems as they happened—not after customers already felt them.

Webhook-driven event coverage across the storefront
Secure tunneling with ngrok for active listening
Near-complete visibility into commerce events
Faster mean time to detect operational issues

Tech used

BigCommerceB2BWebhooksngrokEvent-driven designRedisHTTPSREST APIsJSON payloadsObservability

Payperclip — Content Monetization Platform

Dual-sided platform for Creators and Fans with multi-tier content pricing and three payment rails—Paysociety e-wallet, bank transfer, and card. The backend is a full microservices architecture with Kafka for event-driven workflows, built to scale billing, access control, and payouts cleanly.

Creator vs Fan roles with tiered monetization
Three integrated payment methods (wallet, bank, card)
Microservices with Kafka event streaming
Production-minded money movement and access rules

Tech used

MicroservicesApache KafkaMongoDB.NET 10C#REST APIsDockerKubernetesGitHub ActionsJWTPostgreSQLgRPCOpenAPI

Paysociety — E-Wallet System

Distributed fintech wallet supporting TopUp, transfers, and multi-channel payment flows. Kafka powers event streaming across services; Ocelot acts as the API gateway hardening cross-service traffic; Identity Server anchors authentication for a coherent security story.

Wallet core: TopUp, transfer, and multi-channel payments
Kafka-backed asynchronous processing
Ocelot API gateway for service boundaries
Identity Server for centralized auth

Tech used

MongoDBApache Kafka.NET 10IdentityServerOcelotC#RedisDocker ComposexUnitSerilogSwagger UI

Recruitment Online — Serviced by AXA (Philippines)

End-to-end digital hiring for AXA Philippines—from applicant intake through licensed financial advisor onboarding. A TDD-shaped REST API underpins the pipeline; SSRS reporting and tuned stored procedures give leadership real-time visibility into every stage of recruitment.

Full recruitment lifecycle automation
TDD-oriented REST API design
SSRS dashboards on optimized SQL
Real-time pipeline visibility for stakeholders

Tech used

C#.NET CoreSSRSAzure DevOps ServerMicrosoft SQL ServerNUnitMoqFluentValidationLINQT-SQL

RespAi — Fire Department CRM & Lead Generation

SaaS CRM for fire departments: ingests federal grant data, runs automated matching and lead scoring to surface funding opportunities, and delivers results through a secure cloud UI. Shipped on Azure Static Web Apps and Azure Functions with OAuth 2.0, MSAL.js, and Axios interceptors—React and TypeScript on the front end as part of a collaborative delivery team.

Grant intelligence with matching & scoring
Azure Static Web Apps + Azure Functions
OAuth 2.0 / MSAL.js with hardened HTTP layer
React + TypeScript product experience

Tech used

Azure Static Web AppsAzure FunctionsTypeScriptReactOAuth 2.0MSAL.jsViteAxiosTailwind CSSAzure ADZustandESLint

UCO Tracking System

Internal operations platform for a fintech—tracks UCO collection across many collectors. Hangfire runs background jobs; custom stored procedures and multiple report types give operations real-time insight into collection performance and exceptions.

Multi-collector UCO activity tracking
Hangfire for reliable scheduled work
Custom SQL + reporting for operations KPIs
Real-time visibility into field performance

Tech used

C#.NET CoreMicrosoft SQL ServerEF CoreHangfireDapperSignalRHealth checksBackground workers

YEAPS — Sales Tracking System

Internal sales intelligence for YEAPS—individual promoter performance across the organization in one place. Owned the full SDLC from requirements through deployment so leadership could steer incentives and territory plans with data instead of spreadsheets.

Promoter-level performance analytics
Org-wide sales visibility
Requirements through deployment ownership
Operational reporting for management

Tech used

C#.NET CoreMicrosoft SQL ServerASP.NETJavaScriptBootstrapChart.jsRazor

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95+ Lighthouse Score98% Performance Score1.8s Load Time<120ms API ResponseOptimized Core Web VitalsSEO Score 100Mobile-Friendly99.9% Uptime

SOLUTIONSSECURITY BEST PRACTICESCMS INTEGRATIONMVP DEVELOPMENTPERFORMANCE OPTIMIZATIONSCALABLE ARCHITECTUREAI INTEGRATIONSEO OPTIMIZATIONSOLUTIONSSECURITY BEST PRACTICESCMS INTEGRATIONMVP DEVELOPMENTPERFORMANCE OPTIMIZATIONSCALABLE ARCHITECTUREAI INTEGRATIONSEO OPTIMIZATION

Port

Folio

E-Commerce Operations & Integration — 6 Australian Consumer Brands

Jurlique — Real-Time E-Commerce Event Integration

Payperclip — Content Monetization Platform

Paysociety — E-Wallet System

Recruitment Online — Serviced by AXA (Philippines)

RespAi — Fire Department CRM & Lead Generation

UCO Tracking System

YEAPS — Sales Tracking System

Let's Create Something Amazing Together

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