Paulus Zaky

Senior Software Engineer at Duck Creek

Led design and implementation of scalable backend systems for an insurance platform serving thousands of policyholders, using .NET Core and Entity Framework to ensure reliable, high-performance data processing across claims, policy, and member data. Modernized legacy monoliths by transitioning to microservices, increasing agility, fault tolerance, and scalability during high-demand enrollment and renewal periods. Developed secure RESTful APIs in .NET Core to integrate with third-party insurers, policy administration systems, and claims processors, enforcing HIPAA and data privacy standards via OAuth 2.0 and JWT-based authentication. Improved platform response times by 45% through Redis caching, reduced backend DB load, and delivered real-time dashboards and notifications. Containerized services with Docker and deployed via AKS; integrated Azure Service Bus for reliable inter-service communication; established robust CI/CD via Azure DevOps.

Software Engineer at IWP Capital

Contributed to Gravity CX and Gravity Marketplace, engineering .NET-based plugins and APIs to streamline Twilio Flex deployments, built cloud-native backends with .NET Core/NET 5, AWS Lambda, and Azure Functions; designed WebRTC-based video tools; delivered Twilio extensions and Python (Rasa) bot framework; implemented event-driven architectures with RabbitMQ and Kafka; automated CI/CD with Azure DevOps/GitLab.

Full Stack Developer at Reveleer

Developed ASP.NET MVC applications for patient health records, built ETL pipelines in Python, improved data access layers with optimized ADO.NET queries, migrated legacy Web Forms to MVC, implemented MSMQ-based asynchronous processing, and supported CI/CD via GitLab. Built front-end apps with React and Material-UI to improve UX; contributed to distributed microservices using RabbitMQ/Kafka; implemented serverless components for cost optimization.

Senior Frontend Engineer at Ultra Marketing

Built and scaled an ecommerce + marketing platform with Shopify storefront development (theme customization, merchandising pages, PDP/cart UX), campaign landing pages, and conversion funnels. Implemented dynamic storefront content using metafields to enable non-engineering updates and faster campaign launches. Improved key commerce flows (collection → PDP → cart) with better state handling, UX polish, and mobile performance. Integrated third-party services and Shopify tooling (analytics, reviews, shipping, marketing pixels, email/SMS) while keeping scripts controlled to protect performance. Built reusable UI components and added unit + E2E tests, supporting production issues with fast debugging and safe hotfixes.

Senior Frontend Engineer at Kavee

Developed and optimized Shopify ecommerce storefront and content ecosystem (product discovery, PDP/cart UX, campaigns, help center/FAQ), enabling smooth purchase journeys and fast regional launches. Built responsive, accessible Shopify pages and reusable Liquid sections/blocks for campaigns and frequently updated content. Integrated Shopify and third-party services (reviews, shipping, analytics) while keeping performance stable. Used metafields to make content editable without code changes, improving turnaround for product/campaign updates. Added regression tests for PDP → cart → checkout and improved release safety through CI checks.

Frontend Engineer at Lola

Built and evolved a direct-to-consumer storefront + account experience with reusable UI patterns and third-party integrations (payments/shipping/reviews/analytics). Implemented reusable components and page templates to maintain design consistency and reduce UI duplication. Improved PDP/cart/account UX with clearer state handling, validation, and accessibility improvements. Strengthened testing coverage and reduced production bugs through standardized QA checks and E2E coverage.

Full-Stack JavaScript Engineer (Frontend / Node.js) at Celonis

Delivered process intelligence web experiences, integrating APIs and enabling near real-time UI updates for status, notifications, and live analytics surfaces. Built reusable React UI modules and API-driven pages with consistent loading/error/empty states and strong TypeScript contracts. Implemented real-time updates via WebSockets with resilient reconnect logic. Strengthened delivery pipeline by integrating automated checks (lint/typecheck/tests), standardizing repo conventions, and improving PR quality gates.