Harika Vajha Email & Phone Number

San Jose, Ca, Us

Indianapolis, Indiana, United States

At REDLabs, I contributed to advancing emergency response systems for the Indiana Military Center by delivering data-driven solutions through scalable pipelines and machine learning models. My work spanned multiple key areas:Emergency Response Optimization: Led three core projects focused on optimizing emergency response routes, real-time IoT data processing, and EMS call transcript analysis using advanced analytics and machine learning techniques.Data Processing & Transformation:… Show more At REDLabs, I contributed to advancing emergency response systems for the Indiana Military Center by delivering data-driven solutions through scalable pipelines and machine learning models. My work spanned multiple key areas:Emergency Response Optimization: Led three core projects focused on optimizing emergency response routes, real-time IoT data processing, and EMS call transcript analysis using advanced analytics and machine learning techniques.Data Processing & Transformation: Extracted and cleaned complex data from IoT devices, geographic systems, and EMS audio using AWS Transcribe, ArcGIS, and Python (Pandas, NumPy), achieving 95% accuracy in preprocessing and reducing redundancy by 30%.ETL Pipeline Development: Designed and deployed scalable ETL pipelines using Apache NiFi, AWS Lambda, and PostgreSQL, achieving 80% reliability and processing over 10,000 records per batch.Machine Learning Models: Built and deployed time-series forecasting models and other ML models using TensorFlow, PyTorch, and ArcGIS, integrated into production pipelines via Databricks MLflow, resulting in a 25% improvement in decision-making speed.Data Visualization: Developed real-time dashboards using Tableau and Power BI to visualize critical metrics, enhancing decision-making speed by 25% and achieving 80% accuracy in tracking key performance indicators.Cross-Functional Collaboration: Partnered with diverse stakeholders to implement forecasting models, improving emergency response times by 15% and driving actionable insights.Tools & Technologies: Python (Pandas, NumPy), TensorFlow, PyTorch, Apache NiFi, AWS Lambda, PostgreSQL, Tableau, Power BI, AWS Transcribe, ArcGIS, AWS S3, Apache Airflow, AWS IAM Show less

Hyderabad, Telangana, India

At IVY Comptech, I played a pivotal role in transforming the data architecture for Entain's gaming application, driving efficiency and scalability across workflows. Key highlights of my contributions include:Architectural Transformation: Orchestrated the migration and redesign of data architecture for Entain's gaming application, significantly enhancing performance and enabling seamless handling of large-scale player activity data.Data Processing & Transformation: Retrieved and… Show more At IVY Comptech, I played a pivotal role in transforming the data architecture for Entain's gaming application, driving efficiency and scalability across workflows. Key highlights of my contributions include:Architectural Transformation: Orchestrated the migration and redesign of data architecture for Entain's gaming application, significantly enhancing performance and enabling seamless handling of large-scale player activity data.Data Processing & Transformation: Retrieved and transformed structured and unstructured data using Apache Spark on Databricks, improving data integrity by 30% and reducing processing time by 20%, ensuring high-quality inputs for analytics.ETL Pipeline Implementation: Built and deployed ETL pipelines using Apache Airflow, Snowflake, and AWS Lambda to integrate transformed data into analytical and operational workflows, achieving 90% reliability with seamless scalability.Unsupervised Learning & Analytics: Applied advanced analytics and unsupervised learning techniques on Delta Lake to identify player behavior patterns, delivering actionable insights that improved decision-making efficiency by 20%.CI/CD Automation: Engineered and managed CI/CD pipelines using Bitbucket and Harness, automating data pipeline deployment, reducing pipeline errors by 15%, and cutting deployment times by 20%.Cross-Department Collaboration: Partnered with diverse stakeholders to address ambiguous product challenges, leveraging causal inference models and optimizing data workflows. Delivered insights that improved product features and boosted user retention strategies by 20%.Tools & Technologies: Databricks, Delta Lake, Apache Spark, Snowflake, MongoDB, Apache Airflow, AWS Lambda, Python (pandas, NumPy, scikit-learn), Tableau, Bitbucket, Harness Show less

India

During my tenure at IIT Patna, I led the development of a speaker recognition and mask detection system for employee attendance, leveraging advanced data pipelines and machine learning techniques. Key achievements include:High-Performance System Development: Spearheaded the integration of audio and image processing pipelines within a distributed architecture, achieving 91.5% accuracy in speaker recognition and 87% accuracy in mask detection.Data Preprocessing & Standardization:… Show more During my tenure at IIT Patna, I led the development of a speaker recognition and mask detection system for employee attendance, leveraging advanced data pipelines and machine learning techniques. Key achievements include:High-Performance System Development: Spearheaded the integration of audio and image processing pipelines within a distributed architecture, achieving 91.5% accuracy in speaker recognition and 87% accuracy in mask detection.Data Preprocessing & Standardization: Employed Python and annotation tools for human labeling, applied noise cancellation techniques, standardized audio preprocessing workflows, and loaded structured data into PostgreSQL, ensuring robust data quality.Neural Network Implementation: Architected and deployed Convolutional Neural Networks (CNNs) for face recognition (with and without mask detection) and utilized a Time-Delay Neural Network (TDNN) for precise speaker recognition, enhancing system reliability.User Interface Development: Designed and implemented a Flask-based user interface for seamless accessibility, coupled with real-time live tracking to enhance system usability and performance.Impact Analysis: Leveraged causal inference models to assess the effectiveness of system features, delivering actionable recommendations that improved usability by 20%.Tools & Technologies: Python, PostgreSQL, Flask, CNN, TDNN, Causal Inference Models Show less

Hyderabad, Telangana

1. Accomplished Quantum Researcher with a published book, "Beyond Classical," on Amazon, achieving a noteworthy 5,000 copies sold, actively contributing to quantum computing awareness in India.2. Delivered a series of 15 well-received seminars on quantum computing to audiences totalling over 1,500 participants, disseminating critical knowledge and insights.3. Pioneering research in silicon quantum computing, resulting in advanced research to drive practical applications and… Show more 1. Accomplished Quantum Researcher with a published book, "Beyond Classical," on Amazon, achieving a noteworthy 5,000 copies sold, actively contributing to quantum computing awareness in India.2. Delivered a series of 15 well-received seminars on quantum computing to audiences totalling over 1,500 participants, disseminating critical knowledge and insights.3. Pioneering research in silicon quantum computing, resulting in advanced research to drive practical applications and advancements in the field. Show less

India

As a seasoned technical writer, I have honed my skills in delivering concise and well-structured technical documentation, ensuring clarity and accessibility for a diverse audience. With a track record of producing over 50 news articles, I have consistently provided timely insights into the ever-evolving world of technology, reaching a monthly readership of 10,000+. My commitment to accuracy and innovation has led to a 20% increase in reader engagement, as measured by reader comments and shares,… Show more As a seasoned technical writer, I have honed my skills in delivering concise and well-structured technical documentation, ensuring clarity and accessibility for a diverse audience. With a track record of producing over 50 news articles, I have consistently provided timely insights into the ever-evolving world of technology, reaching a monthly readership of 10,000+. My commitment to accuracy and innovation has led to a 20% increase in reader engagement, as measured by reader comments and shares, making complex technical concepts more digestible for the broader public. I am now eager to apply this wealth of experience to create impactful and user-friendly technical content for your organization, bridging the gap between technology and comprehension. #TechnicalWriting #TechnologyNews #ContentCreation Show less

Master'S Degree, Applied Data Science, 3.7

Bachelor Of Technology - Btech, Computer Science, 9.2