Senior Full-Stack Engineer | React, TypeScript, Node.js

Delivered client and internal products across multiple US and international engagements, covering frontend architecture, backend services, integrations, offline-first workflows and deployment infrastructure.

• Owned React/TypeScript frontend architecture for Excel and PowerPoint Add-ins and an Angular administration dashboard; built reusable Storybook components and integrated them with backend APIs.
• Implemented PowerPoint automation for templates, placeholders, dataset bindings, shape metadata and presentation generation.
• Engineered Excel data synchronization with cell tracking, change detection, local patches, backend sync, versioning and rollback.
• Delivered an offline-first React PWA for logistics workflows with queued mutations and synchronization after reconnect.
• Designed Payload CMS collections, hooks, access rules, RBAC and organization-level data isolation.
• Built Node.js/Express REST APIs, third-party integrations and automation workflows.
• Developed services using Python, PostgreSQL, Redis, RabbitMQ and LLM APIs.
• Reviewed code, mentored junior developers and contributed to architecture and delivery decisions.

Developed production web applications using Django, Angular, GraphQL and PostgreSQL/MySQL.

• Designed database structures, backend API logic and frontend features.
• Integrated third-party services and internal tools.
• Configured Docker, Nginx and GitLab CI/CD pipelines.
• Supported deployments, production fixes and application maintenance.

Developed Angular applications and Django REST API services for customer-facing products and internal tools.

• Integrated Trello, Slack and other third-party services.
• Built reusable features for operational workflows.
• Improved frontend performance, SEO and asynchronous page loading.
• Supported production applications and resolved production issues.