Enhanced mission-critical linguistic platforms (eLUNa translation, editorial, and search) and operate production Elasticsearch at scale (~772M documents) with hybrid keyword + vector retrieval feeding a LangGraph AI document assistant.

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.

Took over and modernized a live, mission-critical self-hosted n8n lead-routing & enrichment pipeline — cutting lead loss from 7.2% to 0.3% and time-to-detect failures from 4.2 hours to under 6 minutes with Slack alerting, retries + a dead-letter queue, version control, and observability.

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, within a private VNET (private-endpoint-only) architecture.

Built a cargo-vessel performance monitoring platform (real-time telemetry, Power BI KPIs) for Bahri Ship Management via Crayon, on AWS infrastructure provisioned with CDK (RDS, S3, VPC).

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.

Advised a Ubuntu/Python team extracting Word Count statistics from 300–400 MS Word documents a day. Replaced a planned MS 365 / Windows round-trip with direct OOXML parsing on their existing Linux stack — no Windows VM, Word licenses, or cloud hop.

Senior full-stack developer on Helium, a multi-channel marketing-automation & VOIP platform (Go on GCP). Built a Zapier-style workflow builder, Sinch VOIP, Facebook and Campaign Registry (10DLC) integrations, and API-level geo/IP controls.

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.

Built the Node.js/TypeScript serverless backend, database, and AWS infrastructure behind a complete custom-apparel ERP — three React apps (Factory, Administrator, Customer) spanning a 180+ brand catalog, customer ordering, multi-method production (heat transfer, embroidery, screen printing), inventory, procurement, shipping, RBAC and audit logging, bidirectional X12 EDI, and QuickBooks Online sync.

Built a Microsoft PowerPoint add-in delivering research and analytics inside PowerPoint — secure multi-source data integration, automated OOXML slide generation, and a tiered subscription model, backed by ETL pipelines and Power BI dashboards.

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

Set up AWS CDK infrastructure-as-code in Python for a serverless backend — three DynamoDB tables (one with a secondary index) behind a GraphQL AppSync API authenticated with a Cognito User Pool.

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.

Built a Python serverless invoice-processing API on AWS — Cognito auth, subscription-based throttling, S3 storage, SES/SNS email ingestion with MIME parsing, and combined PDF + Excel result delivery by email.

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, with Dropbox-API data-feed ingestion.

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 the backend for a Shopify membership & loyalty platform with 5+ third-party integrations, scaled to millions of API requests per day. Event-driven (webhooks, EventBridge, queues) on AWS with CDK/CloudFormation, plus a custom API-key authentication scheme.

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 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.

Built features for a multi-tenant e-commerce platform (now Wynshop, part of Instacart) letting retailers launch white-label online stores with omnichannel fulfillment and inventory sync (C#/.NET, Azure, Elasticsearch).

Sole developer of a comprehensive HR/HCM platform covering the full employee lifecycle — ATS, onboarding, time & PTO, payroll reporting, e-signing, and an employee portal — integrated with UKG/UltiPro, Dynamics 365, SharePoint, Informatica, and Asurint.

Re-architected a legacy .NET WebForms + Oracle PeopleSoft ERP (30+ modules) into a scalable, multi-tenant .NET Core microservices platform on Azure, later migrating the main apps to AWS. Rebuilt the frontend WebForms → AngularJS → Vue.js. Promoted to Team Lead.