Snapp is Iran’s leading vehicle-for-hire service, offering a platform for on-demand rides via mobile applications.

Key Contributions:

• Developed a web application for streamlining pipeline creation, including Debezium connectors and batch data pipelines, reducing development time.
• Implemented custom operators in Airflow for complex data transformations and pipeline management, ensuring high-quality data processing.
• Maintained services for schema management and Clickhouse query recommendations, optimizing data storage and retrieval.
• Designed Spring Batch services to handle large datasets with advanced error handling, retry mechanisms, and skip policies.
• Utilized Spark and Flink for large-scale data processing and real-time analytics, integrating Kafka for CDC (Change Data Capture) pipelines.
• Managed cloud services on OKD, using CI/CD practices and ArgoCD for optimized deployment workflows.
• Developed several freelance applications, including a sleep monitoring web app and sensor management systems for factories.
• Implemented data quality and metadata services integrated with DataHub, enhancing lineage tracking, schema validation, and property checks across pipelines, including SSAS and other sources.

Holding RAD is a leading group of companies in the financial, economic, and technological sectors.

Key Contributions:

• Designed and implemented a KAPA architecture for data pipelines, including sink and source connectors.
• Developed pipeline architecture for gathering data from different cryptocurrency exchanges and resources using asynchronous Python applications.
• Implemented an Airflow cluster in distributed mode with Celery executor, running tasks with multi-workers and task groups.
• Set up a TimescaleDB cluster as a time-series database with distributed hypertables.
• Deployed a Kafka cluster in the pipeline and used Kafka Connect for sending and filtering data to TimescaleDB.
• Designed and implemented APIs using FastAPI and GraphQL to provide useful endpoints for other products.

Hamrah Avval, Iran's first and largest mobile network operator, offers diverse mobile communication services.

Key Contributions:

• Developed automated bots for normalizing MongoDB collections and integrating data from Firebase into the Shad application.
• Designed and implemented APIs using FastAPI for monitoring and managing key aspects of the Shad application, optimizing performance and data handling.

LifeWeb is an AI-driven platform focused on social network and news media analysis, providing tools for business and organizational monitoring.

Key Contributions:

• Developed big data pipelines based on lambda architecture using Kafka, Apache Spark, and Hadoop for real-time NLP processing (topic detection, NER, sentiment analysis) on social media data.
• Designed batch data pipelines using Airflow, integrating data from Elasticsearch and applying advanced NLP algorithms like copy detection and user clustering.
• Built a PySpark pipeline for data ingestion and transformation across multiple data resources.
• Developed and maintained a web application using PHP/Laravel for managing social media post tagging, integrating with NLP algorithms.
• Implemented DevOps processes, including Dockerizing GPU drivers and TensorFlow on Linux OS.
• Led the development of a cryptocurrency investment management website as a freelance project, using Laravel and MySQL.

Arsham Machine Farzam specializes in the design and production of industrial machines, offering innovative solutions in automation and software development.

Key Contributions:

• Implemented track-and-trace solutions for pharmaceutical and tobacco industries to ensure product authenticity, using C++ with Qt and PostgreSQL for backend support.
• Developed a dashboard with Laravel for managing cigarette production machines and their operations.
• Led embedded system designs and customer training on their usage, enhancing operational efficiency.
• Developed and maintained the company's website, featuring product catalogs and manuals.
• Conducted market research and software analysis to identify new product opportunities.

As a freelancer, I developed a variety of applications in different technologies and domains, working with clients to deliver efficient and innovative software solutions.

Key Contributions:

• Developed a C# application for interfacing with the Pathology Sysmex machine to transmit patient data to a Hospital Information System (HIS) and display results.
• Built a foot pressure detection application using C# and image processing to design 3D insoles for alleviating back and leg pain.
• Created multiple Delphi 7 applications with SQL Server databases for companies, including an office register letters system and organizational rules management.
• Designed and implemented multimedia advertising applications using Adobe Flash MX, distributed across various national platforms.