Robert Johnson

Robert Johnson Email and Phone Number

Senior Machine Learning Engineer at Booz Allen Hamilton @ Booz Allen Hamilton
mclean, virginia, united states
Robert Johnson's Location
Nacogdoches, Texas, United States, United States
About Robert Johnson

I am a Software Engineer and Computing Scientist with extensive experience in Applied Machine Learning, Deep Learning, and scalable machine learning on-premises and in the cloud. My background spans various roles, including software developer, data scientist, and systems engineer, allowing me to tackle complex technical challenges and deliver optimal results to clients. I am passionate about technology, especially in the rapidly evolving fields of ML, DL, and RL. Over the years, I’ve worked with diverse algorithms, tech stacks, and requirements, embracing a fast-learning, iterative approach to development. Additionally, I have a strong interest in web technologies, desktop applications, digital signal processing, software architecture, server architecture, and DevOps. Outside of tech, I really enjoy music and find inspiration in its creativity.

Robert Johnson's Current Company Details
Booz Allen Hamilton

Booz Allen Hamilton

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Senior Machine Learning Engineer at Booz Allen Hamilton
mclean, virginia, united states
Website:
boozallen.com
Employees:
32419
Robert Johnson Work Experience Details
  • Booz Allen Hamilton
    Senior Machine Learning Engineer
    Booz Allen Hamilton Mar 2021 - Present
    - Designed and implemented advanced AI solutions leveraging GenAI and LLM for applications in customer service chatbots, personalized content recommendations, and automated document processing to enhance user experiences and operational efficiency.- Developed and optimized RAG models to improve information retrieval accuracy and efficiency in chatbots and other interactive systems.-Applied NLP techniques, such as sentiment analysis, named entity recognition, and text summarization, to extract valuable insights from unstructured text data.-Leveraged deep learning techniques, including CNNs and RNNs, to create robust models for image and sequence data processing.-Independently developed machine learning solutions, overseeing the entire lifecycle from data preprocessing to model deployment and monitoring, ensuring adherence to project timelines and quality standards.- Employed best practices in model training and evaluation, utilizing metrics such as accuracy, precision, recall, F1-score, and AUC-ROC to assess model performance and drive iterative improvements.- Implemented CI/CD pipelines using Jenkins and GitLab CI to automate the deployment process, significantly reducing deployment times and minimizing errors, while ensuring consistent integration of code changes.- Conducted thorough testing and validation of machine learning models using AWS services, such as SageMaker for model training and deployment, and S3 for data storage, to ensure scalability, reliability, and compliance with security standards.
  • Gurzu
    System Engineer
    Gurzu Mar 2018 - Mar 2021
    -Designed and optimized system architectures to support scalable applications and services across diverse environments, including Linux, macOS, and Ubuntu systems.-Managed the deployment and configuration of servers, ensuring high availability and performance across cloud and on-premises infrastructures.-Conducted performance tuning, monitoring, and troubleshooting to resolve complex technical issues, leveraging tools such as Nagios and Grafana for system health tracking.-Developed and maintained automation scripts using Bash and Python to streamline system management tasks and improve operational efficiency.-Implemented security measures and best practices to protect sensitive data and ensure compliance with industry standards.-Assisted in the migration of legacy systems to cloud environments, optimizing resource allocation and cost management.
  • Datafortune
    Data Scientist
    Datafortune Aug 2015 - Feb 2018
    -Utilized vector databases, Snowflake, Databricks, and Datadog for data analysis and modeling.-Developed and deployed machine learning models to drive data-driven insights and business strategies.-Created dashboards and visualizations to present findings to stakeholders.
  • Jellyfish Technologies
    Python Developer
    Jellyfish Technologies Aug 2014 - Aug 2015
    -Designed, developed, and maintained Python-based applications and RESTful APIs using Django and Flask, prioritizing performance, scalability, and user-centric features.-Developed user-facing elements with React, ensuring seamless integration with server-side logic to deliver responsive and cohesive applications.-Wrote efficient, reusable, and scalable code by adhering to best practices in Python development, significantly enhancing code maintainability and performance.-Optimized application performance through caching strategies and database query optimization, achieving up to a 30% increase in response times.-Actively participated in code reviews to uphold high code quality and ensure adherence to team standards and best practices.-Troubleshot and upgraded existing software, effectively resolving critical bugs and maintaining uninterrupted operation of core applications.-Implemented robust security features, including user authentication, data encryption, and secure API access, to safeguard sensitive information.-Integrated third-party APIs (e.g., Stripe, Google Maps) to enhance application functionality and improve overall user experience.
  • University Of California, Berkeley
    Graduate Teaching Assistant
    University Of California, Berkeley May 2012 - May 2013
    Research work: -Probed into Deep learning algorithms for Object detection and classification. -Researched deep learning methods for network intrusion detection in distributed environment. -Studied and reviewed hardware performance for weather forecasting by time-series analysis.Teaching: -Assisted faculty for lab design, grading. Held office hours. Taught Verilog and SystemVerilog to undergraduate students for 2 consecutive semesters. Co-taught digital logic labs for 2 consecutive semesters.

Robert Johnson Education Details

Frequently Asked Questions about Robert Johnson

What company does Robert Johnson work for?

Robert Johnson works for Booz Allen Hamilton

What is Robert Johnson's role at the current company?

Robert Johnson's current role is Senior Machine Learning Engineer at Booz Allen Hamilton.

What schools did Robert Johnson attend?

Robert Johnson attended University Of California, Berkeley, University Of California, Berkeley.

Who are Robert Johnson's colleagues?

Robert Johnson's colleagues are Megan Gaurano, Mba, Sean Casey, Max Bird, Dante Francies, Anthony Smaldon, Livia Walter, Rebecca Witzell.

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