Data / Devops Engineer with experience in Python, ETL optimization, GitHub Actions, Google BigQuery, Flutter, and machine learning. Has worked on data engineering, forecasting, mobile app development, and ASR-related pro…
Data / Devops Engineer with experience in Python, ETL optimization, GitHub Actions, Google BigQuery, Flutter, and machine learning. Has worked on data engineering, forecasting, mobile app development, and ASR-related projects across internships and freelance work.
<p>Developed and deployed an automated data optimization solution in Python, achieving a 60% reduction in database load.<br>
Compressed and converted high-volume data collections into Parquet format.<br>
Handled orchestration via GitHub Actions workflow.<br>
Automated a wide range of tasks and workflows using GitHub Actions to secure a continuous integration and deployment pipeline.<br>
Optimized ETL processes to elevate data quality standards, reduce processing times, and improve overall efficiency.</p>
<p>Engineered ETL processes for the extraction, transformation, and loading of data from diverse sources into a centralized data warehouse hosted on Google BigQuery.<br>
Crafted reports and dashboards to furnish comprehensive insights into business performance.<br>
Developed a forecasting algorithm with a confirmed error rate of less than 10%.<br>
Enabled accurate predictions for orders and revenue to facilitate data-driven decision-making.<br>
Collaborated closely with business stakeholders to solicit feedback and fine-tune reporting and analysis processes.</p>
<p>Created, released, and tested mobile apps using Flutter.<br>
Added new features and functionalities in already existing projects.<br>
Identified and resolved bugs and errors in applications, improving performance and user experience.</p>
<p>Collaborated within a cross-functional team to execute an automatic speech recognition system.<br>
Curated and preprocessed a substantial dataset for an ASR project sourced from YouTube videos with translations.<br>
Used Python for data collection and cleaning.<br>
Fine-tuned pretrained ASR models, including wav2vec and nemo.<br>
Employed data augmentation techniques to optimize word error rate and improve project accuracy.</p>
<p>Designed and crafted a mobile application using Flutter to present daily statistics and generate detailed reports on road accidents in Tunisia.<br>
Leveraged RESTful API services to fetch, update, and delete data.<br>
Worked with data in JSON or XML format.<br>
Managed end-to-end project phases independently.</p>
<p>Designed and built a desktop application using C# to improve the sales and stock management process.<br>
Solved business problems by offering technical and programming solutions.</p>
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