Daniel Prejs
Lead Designer | Guardian Analytics Platform at Elexa Consumer Products- Claim this Profile
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Bio
Credentials
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App Deployment, Debugging, and Performance
Google Cloud Skills BoostSep, 2022- Nov, 2024 -
Google Cloud Fundamentals: Core Infrastructure
Google Cloud Skills BoostSep, 2022- Nov, 2024
Experience
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Elexa Consumer Products
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United States
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Consumer Electronics
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1 - 100 Employee
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Lead Designer | Guardian Analytics Platform
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Sep 2022 - Present
Analytics platform for tracking data on machines, events, users, families, and third partiesGoogle Bigquery, Leafletjs- Partitioned data by ingestion time to allow query optimization by row and to allow data to be accessed by date ranges.- Extrapolated geographic data by using Biquery’s built-in geospatial tools to join the dataset with a public US Census dataset hosted on Bigquery.
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Back End Engineer | Guardian Ecosystem Maestro
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Sep 2022 - Present
The backend and API for smart home leak detectors and water main valve controllers.Python, Firestore, Google Bigquery, Google Cloud Functions, Google IoT Core- Optimized multiple IOT core processes using a combination of Google’s async cloud python library and Python’s threading library.
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Project Lead/Full-Stack Engineer | Guardian Command Center
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Sep 2022 - Present
An employee-facing web tool used by developers, customer support, and sales.Python, Flask, Typsense, Bootstrap, Jinja- Refactored Jinja templates to be more modular and reduced redundant code to simplify development and maintenance work. The project was over 1,300 lines of code shorter after the refactoring.- Reduced page load times by deploying a Typesense instance to paginate Firestore data with text search implemented over multiple data values per document.
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Software Engineering Applications
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Software Development
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1 - 100 Employee
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Full-Stack Software Engineer | Better Beans
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Oct 2021 - Nov 2022
Web application for finding, rating, and tracking local coffee shops.Tech Stack: Next.js | Google Maps/Places API | GraphQL | Prisma | PostgreSQL | Firebase | React | Apollo- Engineered a dynamic interactive google maps display by using DOM manipulation to add event listeners to map components as map display changes.- Mobile-first development with desktop-specific pages detected with navigator and window for optimal user experience on any device.-Integrated Firebase for Google, Facebook, or Github authentication. Show less
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Front End Engineer | Project Catwalk
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Jan 2021 - Oct 2021
Tech Stack: React, Express, Node.js, Babel, Webpack, AWS: EC2, Jest, React Testing Library.Created a front-end application for an e-commerce website based on tasks that were requested by stakeholders.-Worked in an agile remote team of 4 to create an e-commerce website batched into several microservices/components.-Leveraged React Context for global state management and for implementing an in-house click tracker. -Created visuals for rendering metadata on ratings for a product using CSS and custom SVG files made in Figma to have visuals easily changed with design decisions.-Added filter options for reviews: by rating, relevance, helpfulness, review date, and by search with javascript. Designed the sort functions to be layered on top of each other so the user could more easily find relevant reviews. Show less
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Back End Engineer | Atelier
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Jan 2021 - Oct 2021
Tech Stack: PostgreSQL, Express, Node.js, NGINX, AWS: EC2, Loader.io, K6, DockerI was tasked with transforming the backend API for an existing e-commerce application from a monolithic structure to a scalable micro server structure to handle web-scale traffic.Worked in an agile remote team of 3 on a legacy codebase to redesign the back end from a monolithicstructure to a scalable microservices architecture that could handle web-scale traffic.● Analyzed server performance using k6 and loader.io to quantify performance improvements fromdesign changes.● Cached trending and popular products with Nginx for decreased response times by over 500%.● Simplified horizontal scaling by containerizing server nodes with Docker for consistent operatingenvironments. Show less
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Hack Reactor
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United States
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Higher Education
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100 - 200 Employee
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Student
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Aug 2021 - Oct 2021
13-week software engineering immersive program with over 1000+ hours of coding. Full-Stack development with JavaScript, React, Express, PostgreSQL, MongoDB, and MySQL in an AGILE environment. 13-week software engineering immersive program with over 1000+ hours of coding. Full-Stack development with JavaScript, React, Express, PostgreSQL, MongoDB, and MySQL in an AGILE environment.
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Fratelli Pizza
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United States
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Restaurants
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1 - 100 Employee
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Restaurant Manager
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Sep 2015 - Aug 2021
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Education
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Hack Reactor
Software Engineering Full time immersive program, Computer Software Engineering -
Northern Arizona University
Mechanical Engineering