Sara Ali - Research Associate and Data Scientist

Q: Where is Sara based?

Sara is based in Berlin, Germany .

Q: What languages does Sara speak?

Sara speaks the following languages: English (Advanced), German (Elementary) .

Q: How many years of experience does Sara have?

Sara has at least 3 years of experience. During this time, Sara has worked in at least 5 different roles and for 5 different companies . The average length of individual experience is 1 year and 7 months . Note that Sara may not have shared all experience and actually has more experience.

Q: What is Sara's latest experience?

Sara's most recent position is Research Associate and Data Scientist at National Center of Robotics and Automation - Condition Monitoring Lab .

Q: What companies has Sara worked for in recent years?

In recent years, Sara has worked for National Center of Robotics and Automation - Condition Monitoring Lab , Sindh Higher Education Commission Project for Trackside Wheel Tread Checker , and Kamyaab Jawaan - NAVTTC .

Q: Which industries is Sara most experienced in?

Sara is most experienced in industries like Information Technology (IT) , Transportation and Logistics , and Education . Sara also has some experience in Manufacturing .

Q: Which business areas is Sara most experienced in?

Sara is most experienced in business areas like Research and Development (R&D) , Information Technology (IT) , and Product Development . Sara also has some experience in Project Management .

Q: What is Sara's education?

Sara holds a Master in Information and Communication Technologies, Machine Learning from Mehran University of Engineering and Technology, Jamshoro , a Bachelor in Computer Systems Engineering from Mehran University of Engineering and Technology, Jamshoro and a Bachelor in Intermediate (Pre-Engineering) from Army Public School and College, Hyderabad Cantt .

Q: Does Sara have any certificates?

Sara has 3 certificates . These include: Al For Everyone , Cloud Computing Course , and Networking Fundamentals .

Recommended expert

Berlin, Germany

Experience

Mar 2024 - May 2025

1 year 3 months

Jamshoro, Pakistan

Research Associate and Data Scientist

National Center of Robotics and Automation - Condition Monitoring Lab

Developed ASR and TSR-based speech processing pipelines on AWS, enabling efficient feature extraction and scalable deployment for speech and text analytics.
Built a Multimodal Speech Emotion Recognition system combining NLP and deep learning (audio + text), achieving 98% accuracy and supporting real-time, cloud-based inference.
Designed and optimized end-to-end model training and evaluation workflows using AWS services (S3, EC2, Lambda) to ensure performance, reliability, and reproducibility.
Created and deployed interactive, user-friendly dashboards for data visualization and insight generation, supporting research teams and management in data-driven decision-making.

Sep 2023 - Feb 2024

6 months

Jamshoro, Pakistan

Research Associate

National Center of Robotics and Automation - Condition Monitoring Lab

Automated the process of visual inspection for railway wheels using YOLO coupled with GANs and classical image processing methods like Richardson-Lucy to optimize inference speed and accuracy for deployment in real-time monitoring environments.
Developed wheel profile measurement and depth estimation system to understand the depth of the fault on the wheel surface, reducing the manual cost by 50%.
Built and maintained structured databases using SQL and Python, contributing to a scalable and reliable data infrastructure for training and validating ML models.

Aug 2022 - Aug 2023

1 year 1 month

Jamshoro, Pakistan

Research Associate

Sindh Higher Education Commission Project for Trackside Wheel Tread Checker

Worked in a cross-functional team with AI engineers, data analysts, academic researchers, and product managers within the computer vision-based condition monitoring domain for the railway industry.
Implemented and optimized the ELT pipeline for large-scale data integration using BigQuery, ensuring high-quality datasets.
Developed a real-time system to detect missing components using anchor-free YOLOv8, improving inference precision up to 97% and reducing processing latency.
Conducted model performance tuning to enhance throughput and support real-time analytics on video data.

Aug 2021 - Dec 2021

5 months

Hyderabad, Pakistan

Mobile Application Development Instructor

Kamyaab Jawaan - NAVTTC

Taught fundamental concepts, including Android Studio usage, user interface design, and multi-screen applications.
Integrated XML for Android app development.
Instructed students on internet-connected apps, guiding them in making web requests, handling JSON data, and incorporating data analytics into their applications.
Covered background processing, threading, and asynchronous tasks.
Guided students in implementing persistent data storage in Android applications, with an emphasis on efficient file system handling for data science applications.
Explored the use of sensors like accelerometer, gyroscope, and light sensors for collecting relevant data.
Instructed on handling the camera and pictures, showcasing practical examples for image data processing in mobile applications.
Taught the integration of GPS, location services, and Google Maps in mobile apps.

May 2019 - Jul 2019

3 months

Hyderabad, Pakistan

Java Developer

Gexton Education

Developed desktop and mobile applications with integrated UI and backend logic.
Worked on database integration (SQL) and implemented API callbacks for real-time data communication.
Utilized Eclipse and IntelliJ IDEA for development, version control, and project management.
Supported an ETL pipeline for code deployment and production workflows, contributing to smooth releases and system reliability.

Jul 2018 - Jul 2018

1 month

Hyderabad, Pakistan

Internee

Dawlance Ltd.

Worked on a one-week internship with the IT team to manage the company's data using Excel sheets.

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 Information Technology (2.5 years), Transportation (1.5 years), Education (1.5 years), and Manufacturing (0.5 years).

Information Technology

Transportation

Education

Manufacturing

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 Research and Development (3 years), Information Technology (2.5 years), and Product Development (1.5 years).

Research and Development

Information Technology

Product Development

Summary

Data scientist and researcher with 3+ years of experience building production-ready Al systems for speech, text, and image data. Skilled in Python, PyTorch, TensorFlow, and AWS. Experienced in deploying and managing scalable inference pipelines. Strong background in NLP, ASR, TSR, and Computer Vision, with contributions to patented Al solutions for Pakistan Railways for real-time condition monitoring. Performance-driven, team-oriented, and focused on delivering stable, high-throughput ML services in real-time environments.

Skills

Computer Vision, Natural Language Processing (Nlp), Time-series Forecasting
Image Processing, Cnns, Yolo, Unet, Faster-rcnn
Rnn, Transformer Models, Hugging Face, Audio Signal Processing
Predictive Modelling, Arima, Facebook Prophet
Python, Sql, Java, Pytorch, Tensorflow, Opencv

Languages

English

Advanced

German

Elementary

Education

Oct 2022 - Jun 2024

Mehran University of Engineering and Technology, Jamshoro

M.E in Information Technology · Information and Communication Technologies, Machine Learning · Jamshoro, Pakistan

Oct 2016 - Jun 2020

Mehran University of Engineering and Technology, Jamshoro

Computer Systems Engineering · Jamshoro, Pakistan · 3.85 CGPA

Oct 2014 - Jun 2016

Army Public School and College, Hyderabad Cantt

Intermediate (Pre-Engineering) · Hyderabad, Pakistan

Certifications & licenses

Al For Everyone

Coursera

Cloud Computing Course

National Vocational & Technical Training Commission (NAVTTC)

Networking Fundamentals

Microsoft Technology Associate

Profile

Created

December 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Sara based?

Sara is based in Berlin, Germany.

What languages does Sara speak?

Sara speaks the following languages: English (Advanced), German (Elementary).

How many years of experience does Sara have?

Sara has at least 3 years of experience. During this time, Sara has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 1 year and 7 months. Note that Sara may not have shared all experience and actually has more experience.

What roles would Sara be best suited for?

Based on recent experience, Sara would be well-suited for roles such as: Research Associate and Data Scientist, Research Associate, Mobile Application Development Instructor.

What is Sara's latest experience?

Sara's most recent position is Research Associate and Data Scientist at National Center of Robotics and Automation - Condition Monitoring Lab.

What companies has Sara worked for in recent years?

In recent years, Sara has worked for National Center of Robotics and Automation - Condition Monitoring Lab, Sindh Higher Education Commission Project for Trackside Wheel Tread Checker, and Kamyaab Jawaan - NAVTTC.

Which industries is Sara most experienced in?

Sara is most experienced in industries like Information Technology (IT), Transportation and Logistics, and Education. Sara also has some experience in Manufacturing.

Which business areas is Sara most experienced in?

Sara is most experienced in business areas like Research and Development (R&D), Information Technology (IT), and Product Development. Sara also has some experience in Project Management.

What is Sara's education?

Sara holds a Master in Information and Communication Technologies, Machine Learning from Mehran University of Engineering and Technology, Jamshoro, a Bachelor in Computer Systems Engineering from Mehran University of Engineering and Technology, Jamshoro and a Bachelor in Intermediate (Pre-Engineering) from Army Public School and College, Hyderabad Cantt.

Does Sara have any certificates?

Sara has 3 certificates. These include: Al For Everyone, Cloud Computing Course, and Networking Fundamentals.

What is the availability of Sara?

Sara is immediately available full-time for suitable projects.

What is the rate of Sara?

Sara's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.