Sina Ataei - Personal Portfolio

Email
sinaataei@outlook.com
Phone
+44 (0) 78736-57135
Location

London, UK

About me

I am a versatile data scientist and software developer with expertise in Python, C#, and SQL, driven by a passion for leveraging technology to solve complex problems with significant economic and environmental impact. With a solid foundation in data analysis and machine learning, I have experience improving operational efficiency, decision-making, and system automation.

My work in software development includes building APIs, designing ETL pipelines, and developing algorithms that enhance accuracy and performance. Additionally, I excel at communicating technical insights to non-technical stakeholders and optimizing workflows, reducing both time and costs. With an educational background in Data Science and Network Engineering, I have a deep understanding of machine learning frameworks, cloud-based data platforms, and high-performance computing.

What i'm doing

Web design

The most modern and high-quality design made at a professional level.
Web development

High-quality development of sites at the professional level.
Mobile apps

Professional development of applications for iOS and Android.
Photography

I make high-quality photos of any category at a professional level.

Testimonials

Daniel lewis

Richard was hired to create a corporate identity. We were very pleased with the work done. She has a lot of experience and is very concerned about the needs of client. Lorem ipsum dolor sit amet, ullamcous cididt consectetur adipiscing elit, seds do et eiusmod tempor incididunt ut laborels dolore magnarels alia.
Jessica miller

Richard was hired to create a corporate identity. We were very pleased with the work done. She has a lot of experience and is very concerned about the needs of client. Lorem ipsum dolor sit amet, ullamcous cididt consectetur adipiscing elit, seds do et eiusmod tempor incididunt ut laborels dolore magnarels alia.
Emily evans

Richard was hired to create a corporate identity. We were very pleased with the work done. She has a lot of experience and is very concerned about the needs of client. Lorem ipsum dolor sit amet, ullamcous cididt consectetur adipiscing elit, seds do et eiusmod tempor incididunt ut laborels dolore magnarels alia.
Henry william

Richard was hired to create a corporate identity. We were very pleased with the work done. She has a lot of experience and is very concerned about the needs of client. Lorem ipsum dolor sit amet, ullamcous cididt consectetur adipiscing elit, seds do et eiusmod tempor incididunt ut laborels dolore magnarels alia.

Clients

Resume

Experience

Data Scientist
Sep 2022 — Present
Leveraged extensive datasets to develop and execute strategic quantitative analysis, resulting in a 30% decrease in customer churn.

Conducted detailed variance analysis on financial data, identifying trends and providing strategic pricing recommendations.

Designed, developed, and maintained data architecture and ETL pipelines to streamline report building and insight extraction processes.

Developed and deployed a Risk Assessment Model utilising historical accounting data to categorise customers into risk bands, leading to a remarkable 100% increase in sales.

Providing expert guidance and mentorship to junior team members, fostering their professional growth and cultivating a collaborative and high-performing work environment.
Data Analyst
Aug 2020 — Sep 2022
Produced comprehensive reports on bank transactions, crucial in a tax case against the company, resulting in significant tax savings.

Managed and analysed extensive datasets related to inventory and financial transactions, ensuring accuracy and providing actionable insights to support decision-making processes, resulting in a 5% improvement in sales.

Implemented data pipelines to manage multiple data sources, streamlined the data cleaning process, and automated the data integrity checks, consumed by the data-driven dashboards.

Utilised SQL on the sales database for data extraction, transformation, and visualisation.
Software Developer
May 2017 — Aug 2020
Developed an API to resolve a payment verification problem in the accounting department, achieving a zero-error rate and significantly enhancing operational efficiency.

Streamlined net profit calculations for the accounting software by developing a dashboard on top of the existing database, resulting in a 10% improvement in profit calculation accuracy.

Developed Employee management software to track employees’ attendance, calculate salaries, taxes, and insurance, and produce payslips and reports. Reduced the accounting department's workload, cut company costs by 5%, and eliminated calculation errors.

Education

Master, Data Sciense with Artificial intelligence

University of Exeter
2022 — 2023
Developed a novel method to improve GNSS positioning accuracy by training a deep learning model with TensorFlow.

Conducted sentiment analysis on (Women, Life, Freedom) hashtag.

Attended advanced workshops on machine learning, computer vision, and data visualisation.
Master, Data Sciense with Artificial intelligence

New york academy of art
2006 — 2007
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Master, Data Sciense with Artificial intelligence

High school of art and design
2002 — 2004
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