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Rose Jacob

Data Annotation Specialist

Sentryc Gmbh

Technologies

My Portfolio Highlights

My New Course

Introduction to Statistics

My New Course

Introduction to SQL

My New Course

Communicating Data Insights

My New Course

Introduction to Statistics

Detail-oriented Data Analyst with a strong background in statistical analysis, data annotation, and delivering actionable insights to drive business growth. Skilled in leveraging data-driven strategies to enhance operations, customer satisfaction, and decision-making. Adept at utilizing tools such as SQL, Python, and Excel to collect, clean, and analyze large datasets while presenting findings in a clear, concise manner. A proactive problemsolver with exceptional attention to detail and a commitment to delivering measurable results. Experienced in collaborating with cross-functional teams and ensuring project success through effective communication and technical expertise.

My Work

Take a look at my latest work.

DataLab

The Impact of Test Prepreration Courses on Exam Scores

DataLab

Competition - high fatality accidents

article

GLOBAL DATASET.xlsx - Google Sheets

SpreadsheetsExcel
notebook

Covid19 Dataset Analysis

Python
DataLab

The Impact of Test Prepreration Courses on Exam Scores

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Intermediate SQL
Understanding Data Science

My Work Experience

Where I've interned and worked during my career.

Sentryc GmbH | Sep 2023 - Present

Data Annotation Specialist

Conducting meticulous image labeling and data annotation tasks, ensuring accurate categorization of objects and regions, and contributing to the successful annotation of over 10,000 images for machine learning models. Collaborating with cross-functional teams to interpret project objectives and adhere to annotation guidelines, delivering datasets for over 20 projects on schedule. Utilizing expertise in image identification to classify diverse image types and formats, increasing the daily annotation throughput by 300 images. Performing quality assurance reviews on annotated datasets, identifying and correcting over 1,500 inconsistencies to maintain high accuracy standards. Assisting in the creation of documentation and workflows for annotation processes, streamlining operations and reducing annotation errors by 200 cases monthly. Supporting machine learning projects by preparing annotated datasets that improved model accuracy during testing phases. Actively communicating progress and challenges to project managers, completing over 95% of deliverables ahead of deadlines. Staying updated on advancements in data annotation tools and techniques, contributing innovative practices that improved annotation speed by an average of 2 hours per project.
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Zeromaketing Solution | Oct 2022 - Sep 2023

Customer Service Analyst

Enhanced customer experience by conducting in-depth research and analyzing service data, providing actionable insights that resulted in an increase in monthly customer engagement by 150 interactions. Boosted team productivity by developing data-driven strategies based on market trends and performance metrics, supporting the successful execution of over 25 marketing campaigns. Delivered comprehensive reports and visual presentations for stakeholders, simplifying complex data for better decision-making and supporting management with quarterly strategic adjustments. Utilized a robust dataset to identify operational inefficiencies, implementing solutions that reduced bottlenecks and streamlined workflows across the department. Conducted detailed analysis of service data to uncover patterns, contributing to the refinement of customer service processes and improved response times. Analyzed market trends to inform pricing strategies, leading to increased revenue generation during promotional periods.

My Education

Take a look at my formal education

Bachelor of science in StatisticsUniversity of Ibadan, oyo state Nigeria | 2014

About Me

A data Analyst with a Passion for uncovering insights and trends that drive business success. With experience in analyzing large data sets and developing actionable recommendations, my expertise includes data visualization, statistical analysis, ML

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