Recommended expert
Arman Abouali
Research Associate (Machine Learning & Signal Analysis)
Experience
Jul 2023 - Aug 2025
2 years 2 monthsClausthal-Zellerfeld, Germany
Research Associate (Machine Learning & Signal Analysis)
Technical University of Clausthal
- Built end-to-end pipelines for sensor-driven time-series vibration signals: data cleaning, feature engineering, model selection for unsupervised learning, and validation for size classification tasks.
- Applied statistical feature extraction to characterize dynamic responses.
- Developed Python algorithms for signal processing (FFT, PSD) and classification; compared multiple model architectures with uncertainty-aware evaluation.
- Supervised students in labs and projects (analysis methods, interpretation, reporting); delivered a practical laboratory course and contributed to documentation and presentations.
- Prepared academic outputs: Master’s thesis and conference contribution (SimScience 2025).
Jul 2023 - Sep 2024
1 year 3 monthsClausthal-Zellerfeld, Germany
Research Project
Machine Learning for Mining Applications: Unsupervised Analysis to Distinguish Particles via Vibration Signal Data
- Python
- scipy.signal
- NumPy
- Pandas
- EnDAQ
- EMD method
- Data Clustering
- FFT
- PSD analysis
Nov 2022 - Feb 2023
4 monthsClausthal-Zellerfeld, Germany
Research Project
Prediction of Extreme Events Using Images from Precipitation Radars
- Python
- Parquet data
- BeautifulSoup
- Image Processing
- Feature Engineering
- Data Visualization
Oct 2020 - Jun 2023
2 years 9 monthsClausthal-Zellerfeld, Germany
IT Administrator - Student work (Hiwi - job)
Technical University of Clausthal
- Managed hardware and software issues for over 20 devices within the university department.
- Optimized and maintained website content using TYPO3.
Nov 2017 - Jan 2020
2 years 3 monthsTehran, Iran, Islamic Republic of
IT Systems and Data Analysis
Solico Group (Kaleh)
- Built Power BI and Excel dashboards for performance; ensured data reliability for decisions and audits.
- Provided technical support for system failures and networks; reduced downtime via structured diagnostics.
Apr 2016 - Nov 2017
1 year 8 monthsTehran, Iran, Islamic Republic of
IT Administrator
Rahmani Group
- Installed and configured switches, routers.
- Managed cabling and documentation across Windows and Linux.
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Education (5 years), Food and Beverage (2 years), Information Technology (1.5 years), Metals and Mining (1 year), and Government and Administration (0.5 years).
Education
Food and Beverage
Information Technology
Metals and Mining
Government and Administration
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (6.5 years), Research and Development (2.5 years), and Business Intelligence (2 years).
Information Technology
Research and Development
Business Intelligence
Summary
Master’s graduate in Computer Science with a strong interest in data-driven modeling, signal processing, and machine learning. Passionate about working with various types of data—from cleaning and pre-processing to creating meaningful visualizations that reveal underlying patterns. Highly motivated by analytical challenges and continuous learning, with a focus on developing intelligent solutions through structured data analysis and algorithmic thinking.
Skills
- Machine Learning: Time-series Data, Supervised And Unsupervised Learning, Prediction And Classification, Clustering, Tensorflow, Keras
- Programming & Data: Python (Numpy, Scipy, Pandas, Scikit-learn), Sql, R, Power Bi, Tableau
- Tools & Environments: Jupyter, Vs Code, Git, Linux/windows/macos
- Documentation: Latex, Microsoft Powerpoint, Scientific Writing
- Soft Skills: Independent & Team-based Research, Mentoring, Clear Communication, Organization
Languages
Persian
NativeEnglish
AdvancedGerman
IntermediateEducation
Oct 2020 - Sep 2024
Technical University of Clausthal
Master of Science in Computer Science · Computer Science · Clausthal-Zellerfeld, Germany
Aug 2008 - Mar 2011
Brindavan College
Bachelor of Science in Computer Application · Computer Application · Bengaluru, India
Certifications & licenses
Driving License: Class B
Profile
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Frequently asked questions
Do you have questions? Here you can find further information.
Where is Arman based?
Arman is based in Clausthal-Zellerfeld, Germany.
What languages does Arman speak?
Arman speaks the following languages: Persian (Native), English (Advanced), German (Intermediate).
How many years of experience does Arman have?
Arman has at least 9 years of experience. During this time, Arman has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 1 year and 5 months. Note that Arman may not have shared all experience and actually has more experience.
What roles would Arman be best suited for?
Based on recent experience, Arman would be well-suited for roles such as: Research Associate (Machine Learning & Signal Analysis), Research Project, IT Administrator - Student work (Hiwi - job).
What is Arman's latest experience?
Arman's most recent position is Research Associate (Machine Learning & Signal Analysis) at Technical University of Clausthal.
What companies has Arman worked for in recent years?
In recent years, Arman has worked for Technical University of Clausthal, Machine Learning for Mining Applications: Unsupervised Analysis to Distinguish Particles via Vibration Signal Data, and Prediction of Extreme Events Using Images from Precipitation Radars.
Which industries is Arman most experienced in?
Arman is most experienced in industries like Education, Food and Beverage, and Information Technology (IT). Arman also has some experience in Metals and Mining and Government and Public Administration.
Which business areas is Arman most experienced in?
Arman is most experienced in business areas like Information Technology (IT), Research and Development (R&D), and Business Intelligence.
Which industries has Arman worked in recently?
Arman has recently worked in industries like Education, Metals and Mining, and Government and Public Administration.
Which business areas has Arman worked in recently?
Arman has recently worked in business areas like Information Technology (IT) and Research and Development (R&D).
What is Arman's education?
Arman holds a Master in Computer Science from Technical University of Clausthal and a Bachelor in Computer Application from Brindavan College.
Does Arman have any certificates?
Arman has 1 certificate: Driving License: Class B.
What is the availability of Arman?
Arman is immediately available full-time for suitable projects.
What is the rate of Arman?
Arman's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Arman?
To hire Arman, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
800
600
400
200
Market avg: 620-780 €
Market avg: 620-780 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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