Implemented an XML-processing REST API with queue-based background jobs to automate order placement (order-processing workflow) in a third-party application, eliminating manual data entry and reducing processing latency. Designed and shipped a REST API documented with Swagger / OpenAPI ingesting metrics from industrial electrical equipment, powering a real-time monitoring web portal and centralizing client data management. Built a pharmaceutical supply chain tracking platform implementing the GS1/EPCIS protocol with background processing, third-party API integration, and a sales/clients/products dashboard for regulatory compliance.

Migrated a retail platform from MongoDB to MySQL to improve query performance, using AWS DMS, Glue, and PySpark for data transformation and Terraform for infrastructure deployment. Built a generative AI chatbot using Retrieval-Augmented Generation (RAG) to extract business insights from PDF documents. Implemented embeddings with KNN search and integrated a REST API to query a language model and serve responses via a web interface. Developed a serverless web platform for home healthcare services, this included user management, scheduling, prescriptions, and HIPAA-compliant data integration.

Built a generative AI chatbot using Retrieval-Augmented Generation (RAG) with KNN-based embedding search and a REST API connected to an LLM, enabling business teams to extract insights from PDF documents on demand — early production exposure to LLM-powered tool-calling patterns. Designed and developed RESTful APIs documented with Swagger / OpenAPI, integrated with background workers and message queues (Celery), and connected to third-party services across multiple client products. Migrated a retail platform from MongoDB to MySQL using AWS DMS, AWS Glue, and PySpark, improving query performance and standardizing infrastructure-as-code with Terraform. Developed a HIPAA-compliant serverless web platform for home healthcare services, applying secure data handling and token-based authentication patterns and integrating securely with third-party providers. Delivered solutions across retail, banking, automotive, insurance, mining, and fashion industries; led technical decisions and mentored engineers across multiple projects.

Redesigned and migrated a service marketplace platform to Azure with virtual servers and managed MySQL, improving order registration workflows for service providers. Implemented real-time user communication via WebSockets, increasing platform interactivity and responsiveness.

Built an immersive 3D web experience for the UK hotel industry using A-Frame and 360° imagery, with a Django + PostgreSQL backend deployed on AWS Beanstalk and RDS.

Designed and maintained client websites combining CMS platforms (WordPress) with custom-built applications. Built a clothing e-commerce site on WordPress and a Flask + PostgreSQL product showcase web app for consumer goods.

Refactored a service marketplace platform, adding multi-level category management, dashboards, and reporting features. Optimized SQL queries, added indexes, and restructured database tables, improving performance and scalability.

Contributed to internal web applications for the Norwegian market, including a platform for a defense-sector client to register vehicles, cargo, equipment, and documentation. Implemented structured data entry with rich text support, Excel-based import for equipment records, and a robust RBAC system with role and permission management.

Contributed to internal web applications for the Norwegian market, including a defense-sector platform for vehicle, cargo, equipment, and documentation registration. Implemented structured data entry with rich text support, Excel-based import for equipment records, and a robust RBAC system with role and permission management.

Delivered software solutions to optimize legacy systems for fashion and retail clients, improving operational efficiency through backend service enhancements and data-driven workflows.

Contributed to an online voting platform, implementing background jobs to process large volumes of XML data and support high-throughput backend workflows.

Developed a multi-tenant web platform for the healthcare industry to manage diagnostic data with dynamic, client-adaptable fields. Built backend services to support flexible data structures and scalable tenant isolation.

Delivered full-stack web and mobile solutions using PHP, MySQL, and jQuery. Built and maintained platforms for medical appointment scheduling, school management, and blog publishing, plus a cross-platform mobile app developed with PhoneGap.