12/11/2025 updated
100 % available
Senior Data Scientist and Analytics Professional
Sofia, Bulgaria
Only remote
MEng: Computer & Electronic Systems With International StudyAbout me
Versatile data professional skilled in analysis, modeling, and visualization. Built predictive models and streamlined ETL pipelines to boost accuracy and productivity. Passionate about learning, open to remote work and relocation. https://www.linkedin.com/in/hristo-sv-hristov/
Java (Programming Language)Amazon Web ServicesData AnalysisBig DataCapital MarketsCloud ComputingDatabasesInformation EngineeringData GovernanceExtract Transform Load (ETL)Data SystemEnergy TechnologyFinancesPython (Programming Language)Machine Learning
Data Analysis and Machine Learning
Advanced expertise in Python-based data analysis, modeling, and visualization using frameworks like Pandas, Matplotlib, Seaborn, and scikit-learn for predictive analytics and statistical analysis
Data Engineering and ETL Pipelines
Comprehensive competency in designing and implementing efficient data pipelines, ETL processes, and data engineering solutions with strong understanding of data governance and quality management
Database and Cloud Technologies
Proficient in SQL, NoSQL, and big data technologies with extensive experience in cloud platforms and services including AWS and Google Cloud for scalable data solutions
Software Development
Strong software development skills with Agile mindset and experience in Java application development and microservices architecture
Blockchain Development
Experience in blockchain technology development including coding, testing, and feature implementation for platform capabilities
Quantitative Research
Expertise in quantitative research methodologies, statistical analysis, and predictive modeling for investment and trading strategies
Financial Markets Analysis
Domain knowledge in finance, cryptocurrency, energy, and health sectors with experience in market research and trading model development
Communication and Leadership
Effective communication of complex data insights to diverse stakeholders with proven ability to work independently and manage end-to-end project delivery
Advanced expertise in Python-based data analysis, modeling, and visualization using frameworks like Pandas, Matplotlib, Seaborn, and scikit-learn for predictive analytics and statistical analysis
Data Engineering and ETL Pipelines
Comprehensive competency in designing and implementing efficient data pipelines, ETL processes, and data engineering solutions with strong understanding of data governance and quality management
Database and Cloud Technologies
Proficient in SQL, NoSQL, and big data technologies with extensive experience in cloud platforms and services including AWS and Google Cloud for scalable data solutions
Software Development
Strong software development skills with Agile mindset and experience in Java application development and microservices architecture
Blockchain Development
Experience in blockchain technology development including coding, testing, and feature implementation for platform capabilities
Quantitative Research
Expertise in quantitative research methodologies, statistical analysis, and predictive modeling for investment and trading strategies
Financial Markets Analysis
Domain knowledge in finance, cryptocurrency, energy, and health sectors with experience in market research and trading model development
Communication and Leadership
Effective communication of complex data insights to diverse stakeholders with proven ability to work independently and manage end-to-end project delivery
Experience
Professional experience5 - 10 years
Freelancer since2017
Languages
BulgarianNative speakerEnglishFluent
Project history
Fully responsible for project delivery as sole technical lead, demonstrating ownership, problem-solving, and self-motivation in largely non-technical team environment
Analyzed complex datasets for trend identification, led health metrics research and developed comprehensive health score model, designed synthetic health data generation model, and conducted user and claims data analysis
Conducted comprehensive market research for investment opportunities, designed predictive trading models, engineered efficient ETL pipelines, implemented data governance practices, and developed tools for model validation