Michael Johnson

Senior Software Engineer

Dropbox

Oct 2022 - Current (3 years 8 months)

• Created custom internal tools and applications for the team, including a delivery service management app and multiple corporate portals. Integrated predictive analytics dashboards using Python and statistical modeling to forecast delivery times, demand surges and resource allocation needs. • Led a backend refactoring project for a legacy Django application, addressing issues with tight coupling and lack of modularity. Introduced modern practices to enhance maintainability and scalability. • Built end-to-end Machine Learning pipelines with Pandas, NumPy, Airflow and Docker from data processing and feature engineering to model training, evaluation, and deployment. • Improved PostgreSQL query performance by optimizing Django ORM operations,

Senior Python Software Engineer

Walmart

Feb 2020 - Oct 2022 (2 years 9 months)

• Designed and maintained a Microservice based architecture for an enterprise-grade shopping platform, which featured online shopping services and a bidding system. Utilized Python, Django, React, and Tailwind CSS for a robust and responsive application. • Implemented Django REST Framework with WebSockets to enable real-time features, enhancing user interactions such as live bidding and notifications. • Integrated Celery with Redis to handle asynchronous background tasks, ensuring efficient caching and timely processing of time-consuming operations, such as order updates and notifications. • Designed and optimized database schemas using Django ORM to ensure data integrity and efficient querying for high-traffic applications. Ensured that da

Senior Full Stack Engineer

TradeStation

Dec 2017 - Feb 2020 (2 years 3 months)

• Developed a new website for the Centers for Medicare & Medicaid Services (CMS), delivering dynamic data visualizations with different chart views. Ensured that data was returned in specific formats to meet regulatory and user requirements. • Developed scripts to integrate various security tools-such as vulnerability scanners, sandbox environments, EDRs, ticketing systems, and email security products - using REST and GraphQL APIs. Automated Security Orchestration, Automation, and Response (SOAR) processes to improve operational efficiency and incident response time. • Designed and developed an audio and data telecommunication service as a side project. Built a messaging queue system using RabbitMQ and Docker for scalable, distributed commu

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Python Engineer

VALiNTRY

Jun 2015 - Nov 2017 (2 years 6 months)

• Built and maintained a robust multi-site web application focused on document tracking, allowing users to efficiently track and manage emails and other documents across various platforms. • Utilized Python and Django to develop a scalable backend, implementing core features for email tracking and data processing. Integrated with Google Cloud Platform (GCP) to enable real-time analytics and generate insightful reports for users. • Developed the frontend application using jQuery, implementing dynamic interactions and enhancing user experience. • Upgraded the Node.js version to improve application performance and reduce load times. • Applied Bootstrap to stylize the frontend, improving both the visual appeal and overall usability of the appli

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