Built and operated a fully automated, AI-driven e-commerce business with extreme cost efficiency and zero human-in-the-loop operations. Designed end-to-end AI automation for product design, marketing campaigns, and social media analysis. Implemented 100% automated order fulfillment by integrating Shopify with Printful using AI-driven and event-based workflows, eliminating manual intervention entirely. Built internal RAG systems and vector databases to centralize brand data and analyze performance via natural language queries. Automated all operational workflows using n8n, reducing operational overhead to near zero. Designed and deployed serverless cloud infrastructure running globally with high availability and no critical outages. Reduced total cloud infrastructure costs to ~USD 125/month while supporting a business with ~USD 23,000 Monthly Recurring Revenue (MRR).

Architected and operated large-scale cloud data and streaming platforms for a Web3 gaming ecosystem with direct financial exposure. Designed and implemented real-time data streaming pipelines using AWS Kinesis and Firehose to detect and prevent fraudulent player behavior. Prevented the distribution of in-game rewards to cheating players, saving the company approximately USD 4M in potential losses. Built serverless data pipelines with AWS Step Functions, Glue, Lambda, and S3. Migrated critical data workloads to Databricks Lakehouse, significantly improving processing speed, data reliability, and operational stability. Developed and maintained Airflow DAGs and DBT transformations for analytics and reporting. Integrated multiple external data providers. Maintained Redshift data warehouse used for executive dashboards and business decision-making.

Maintenance of NodeJs Backend. Implementation of Unit Tests for the Backend code base. Use ElasticSearch for index data.

Designed and delivered cloud-native, serverless backends for high-impact, time-sensitive applications. Developed a secure, scalable API backend for a COVID-19 self-testing application. Enabled safe, remote test execution and result handling during the pandemic. Designed and maintained serverless architectures on AWS with production-grade CI/CD pipelines. Implemented event-driven and data streaming components using Kinesis and Firehose.

Automated deployments via Slack bots. Implemented Apache Airflow for data orchestration. Processed data using AWS Glue, Athena, Redshift, and S3.

Design and develop of core services in NodeJS and Express for IoT project. Orchestration of more than 100 Raspberry Pi. Data recollection from Raspberry Pi deployed in the field. Implementation of blockchain Hyperledger Sawtooth.

Worked on financial and banking platforms with strict reliability and security requirements. Built serverless risk-scoring pipelines for credit evaluation. Designed CI/CD pipelines and infrastructure as code. Developed internal tooling for deployment visibility across environments. Implemented best practices for cloud, hybrid, and on-prem infrastructures.

Hardening and administering all mission critical servers for almost 100 important clients worldwide. Nginx, php-FPM, Apache2, PostgreSQL and MySQL tuning and troubleshooting. Development of APIs with NodeJS and ExpressJS. 24/7 customer support worldwide.

Designed and secured mission-critical Linux and network infrastructures. Built APIs and databases for financial and government institutions. Specialized in platform hardening, automation, and reliability.