John Hoff Email & Phone Number

60,000+ subs. I make educational videos and livestreams about crypto. I talk about new cryptos to buy and investment strategies.

Plano, Texas, Us

Develop APIs using Nodejs and AWS serverless technologies: Lambda Functions, State Machines, DynamoDB, S3, CloudFormation, and IAM.

Mountain View, Wy, Us

• Develop Web3 DeFi dapps on the Binance Smart Chain that can analyze 100,000+ tokens on ETH and BSC.• Generate social audits that contain 100 tokens and aggregated portfolios for any token’s top 50 wallets.• Design 8 Node.js Lambda microservices that consume REST and GraphQL APIs for blockchain data.• Code React applications that use API Gateway and AWS serverless to fetch data for 40+ active users.• Added DynamoDB caching to speed up token searches from 3 minutes to 2 seconds.

Richfield, Minnesota, Us

• Develop Alexa Skills as Node.js Lambda functions for users to buy electronics using voice commands.• Integrated internal content management APIs to support dynamic content, saving developers at least 4 hours per week.• Added curbside and in-store pickup options to the purchasing workflow which increased Alexa sales by 15%.

Chapel Hill, North Carolina, Us

• Integrated external rewards API data with our Node.js Lambda functions that uses AWS SES & SNS to send gift cards to consumers.• Designed Dynamo & S3 databases in addition to creating a React content management application for admins to update text and images.• Refactored our provider search web tool by writing reusable components and reducing 30% of the code.• Wrote Terraform scripts to build and change infrastructure as code on AWS.

Paris, Paris - Issy-Les-Moulineaux, Fr

• Achieved two AWS certifications and showcased the serverless framework to other Sogeti consultants learning about AWS and cloud computing.

Morris, Mn, Us

• Assisted computer science faculty prepare labs, homework, and exams for a JavaScript and advanced spreadsheet calculations course that had 30 students.• Mentored students one-on-one by answering questions, clarifying feedback, and providing guidance that improved their scripting and problem solving skills.

Morris, Mn, Us

• Worked on a 3-person agile team to update features for an AngularJS web application through collaboration with our client who was using the undergraduate research symposium management tool.• Development included pair programming, code reviews, refactoring, and improving JavaScript test coverage from 65% to 85% using Karma and Jasmine.

St. Louis, Mo, Us

• Worked on a Java-based Spring Boot application in two-week sprints on an agile Scrum team that recently transitioned from waterfall.• Reduced the cognitive complexity of legacy code by 30% using SonarQube. Improved the runtime complexity of the string parser’s algorithm from O(n3) to O(n).• Designed UI mockups for an internal database administration tool that was implemented with React including automated testing.