Umar Khan Email & Phone Number

United States

California, United States

Technologies: Java, Python, R, Angular, React, Maven, JavaML, OpenCV, TensorFlow, PyTorch, SciKit-LearnDesigned and optimized machine learning models for complex data problems, utilizing both supervised and unsupervised learning techniques.Executed data preprocessing procedures with Java’s JavaML, OpenNLP, and Python’s SKLearn for data cleaning, transformation, and augmentation to ensure high-quality training data; reduced data processing time by 30% with an optimized data preprocessing pipeline.Employed Java, Python, R, TensorFlow, PyTorch, and scikit-learn to build and deploy AI solutions.Conducted experiments, tuned hyperparameters, and evaluated model performance with relevant metrics to train various AI models.Researched and implemented state-of-the-art algorithms, involving Python’s OpenCV, to enhance model accuracy and efficiency and analyze videos frame-by-frame; increased forecast accuracy by 20% through the successful development and deployment of a predictive analytics model.Coordinated with data scientists, engineers, and product managers to integrate AI models into production systems; enhanced LLM model performance by 25% through the application of a novel machine learning algorithm.Maintained comprehensive documentation of model development processes and outcomes.Participated in code reviews, developed unit tests, and ensured AI solution robustness.

Illinois, United States

Technologies: Java, Scala, Angular, NodeJS, ASP.NET, Maven, SQL, Kafka, RabbitMQ, Git, Jira, Jenkins, Azure Spearheaded the development of Verizon’s Business Customer website, specializing in backend architecture using ASP.NET Core to enhance user flows, features, and interactions.Employed Angular on the frontend to craft intuitive user login and browsing functionalities, significantly improving overall user experience.Orchestrated the integration of Azure and Akka cloud management services, optimizing user node distributions for enhanced responsiveness amidst high user volumes.Leveraged RabbitMQ and Kafka for efficient queuing of user information, ensuring seamless access when required.Managed backend and database operations utilizing SQL Developer and Apache Directory Studio, safeguarding critical user data and transactional history.Implemented robust authentication and authorization mechanisms, including Single Sign-On (SSO), OAuth2, and Multi-Factor Authentication (MFA), utilizing ForgeRock AM and ForgeRock IG.Enhanced login flows for Federal users, such as PIV card authentication, and devised various tree flows to streamline user interactions.Designed and developed REST APIs for user management tasks, including user creation, login mode updates, and OTP generation, employing Postman/Insomnia for meticulous testing.Oversaw deployment and management of APIs in production environments, ensuring optimal performance and reliability.Collaborated closely with cross-functional teams to define API specifications, align with business requirements, and incorporate industry-leading practices for continuous improvement.

Illinois, United States

Technologies: Java, Hadoop, Cloud-based EDW, Azure SQL Data Warehouse, SnowflakeDesigned and maintained Java applications for deployment within Enterprise Data Warehouse (EDW) and Data Lake sectors.Developed applications capable of handling diverse data formats, including patient and financial information, for efficient extraction and storage.Implemented Hadoop-based architecture to streamline data ingestion processes and ensure accessibility for future use.Collaborated with cross-functional teams to ensure the seamless integration of developed applications into existing data infrastructure.

Illinois, United States

Technologies: Java, Java Web Server, JavaScript, HTML, CSS, MySQL, MEAN Stack Led the development of a banking management system utilizing Java and Java Web Server technologies, integrated with Oracle (MySQL) database.Spearheaded the development of a news web application using the MEAN Stack (MongoDB, Express.js, Angular, Node.js).Managed both frontend and backend phases of development, utilizing Angular for frontend and Node.js with Express.js for backend functionality.Employed MongoDB as the database solution to store and manage multiple user profiles (admins and non-admins).Collaborated within a medium-sized team to implement agile methodologies throughout the development lifecycle to streamline the development process, ensuring project milestones were met efficiently.