Built a live DJ song-bidding platform from scratch across three apps (DJ, TV, and user) — real-time bidding to skip the queue, QR-code venue login, and Stripe credit purchases.

Built a cloud management and cost-optimization platform from scratch — unified infrastructure insights, cross-provider migration cost-benefit modeling, and subscription-gated advanced search, with Stripe billing.

Created an Azure Managed Application for Azure MarketPlace automating ADP-to-Entra ID syncing and on/off-boarding workflows.

Developed an application monitoring and improving Cargo Vessel performance.

Built a Python integration with the John Deere Precision Tech API to automate Precision Ag map-layer creation, generating distinct map layers from multi-channel rasters and shapefile attributes.

Built APIs and integrations with Facebook, Sinch for VOIP solutions and marketing automation.

Refactored and consolidated backend services on a live AWS-serverless pasture-management platform (Lambda, DynamoDB, API Gateway, GraphQL, SST/CDK), extending grazing, livestock, and soil-health features.

Architected REST APIs for supply-chain management with third-party integrations, middleware, and data-normalization layers, plus Exchange PowerShell automation to parse inbound invoices and EDI files.

Created a PowerPoint add-in for high-quality research & analytics through a subscription model.

Designed and implemented AI-powered automation workflows integrating OpenAI with journalism tools using Zapier.

Designed and implemented a comprehensive webhook system enabling real-time, bidirectional communication between internal and external systems.

Developed REST API SDK in 6 languages with unit and integration tests for all SDKs.

Developed a HIPAA-compliant digital informed consent platform for patients across web and mobile platforms.

Developed a high-frequency cryptocurrency trading platform for real-time market analysis and low-latency trade execution.

Developed a full-scale investment management platform streamlining the entire mortgage investment lifecycle.

Developed a fully automated dropshipping platform streamlining order fulfillment, inventory management, and shipping operations.

Integrated secure third-party financial APIs for KYC and identity verification on a compliance-driven platform.

Developed healthcare system integrations and a custom electronic signature platform for secure data exchange across medical systems.

Built membership and loyalty Shopify application with third-party API integrations.

Built a .NET (ASP.NET Core) API service that drives a native Windows desktop app via WinAppDriver and UI Automation — exposing deterministic desktop automation as a cloud-callable HTTP endpoint returning structured JSON.

Developed comprehensive QuickBooks integration connecting property management software with QuickBooks Online and Desktop.

Led the development of a fully standards-compliant LTI 1.3 integration enabling secure communication between LMS and external tools.

Enhanced linguistic apps including eLUNa translation tool, editorial platform, and multilingual search engine for UN translators.

Enhanced an AI-powered Microsoft Word add-in for patent drafting, analysis, and validation using NLP-based tools.

Developed Microsoft Office add-ins integrated with CRM systems, implementing cross-cloud identity federation between Azure AD and AWS Cognito.

Contributed to a multi-tenant e-commerce platform enabling traditional retailers to launch scalable online stores.

Independently designed and developed a comprehensive enterprise platform unifying HR, accounting, and travel management.

Designed, developed, and maintained back-end applications. Mentored junior developers and managed Linux servers.