# David Kruse > Senior Software Developer | Node.js & React | Interested in Go, Rust and Cloud Platform Engineering. Location: Scottsdale, Arizona, United States Profile: https://flows.cv/davidkruse With over four years of software engineering experience, I am a React expert with a web development background. I graduated from Galvanize in 2017, where I learned software development skills and techniques. As a senior software engineer at GeniusRx, I built and maintained applications using React with TypeScript, Go, Nodejs and Kotlin. I also contributed to the frontend web development using React and Redux at American Express, where I worked for more than three years. I have a passion for creating user-friendly, accessible, and responsive applications that meet the needs and expectations of the customers. I enjoy working with agile teams, collaborating with cross-functional stakeholders, and learning new technologies and tools. I am looking for new opportunities to apply my skills and expertise in software engineering and to grow professionally and personally. ## Work Experience ### Senior Software Engineer @ CLBR (caliber) Jan 2023 – Present | Phoenix, Arizona, United States * Developed a full-stack PWA for students abroad to better prepare for study-abroad opportunities and manage Visa requirements. Leveraged the Ionic framework to implement native device features and deploy to the iOS app store. Vue, Nodejs, AWS, PostgreSQL, AWS Cognito, Ionic. * Individually contributed to multiple client projects with varying tech stacks in a full-stack capacity ### Software Engineer I @ American Express Jan 2022 – Jan 2023 * Implement and internationalize a new customer flow; reducing complaints by ~40% in international regions * Created a discovery service for finding modules and backend processes that exceeded the 5 second latency allowance * Updated and optimized the coding test suite to cut the runtime by 20% allowing critical features to be pushed to card members ### Senior Software Engineer @ GeniusRx Jan 2021 – Jan 2022 * Build and manage multiple deployment pipelines in Azure reducing build time by 10% * Maintain a polyglot development process with Node, Python, Kotlin, Go * Integrate real-time and batch ordering through multiple partners migrating and de-duplicating over 10,000 orders in a month ### Software Engineer III @ American Express Jan 2019 – Jan 2021 | Phoenix, Arizona Area * Create, maintain, and architect React + Redux modules for reusability that were used in 10% of modules * Work cross-team to develop and implement front end performance metrics; catching over 100 modules that were taking longer than 5 seconds to load * Assist in testing and Quality Assurance of React + Redux modules ### Software Engineer @ Kalquelord Jan 2019 – Jan 2021 | Phoenix, Arizona Area * Create, host and maintain containerized Nodejs applications in AWS ECS keeping round trip load times under 500ms * Maintain PostgreSQL AWS RDS instances * Implement a new FTP server that reduced downloading distribution time by 50% ### Software Development Engineer @ LeadMD Jan 2018 – Jan 2018 | Phoenix, Arizona Area * Created a CMS and LMS from the ground up. * Develop and maintain full-stack SaaS products. * Convert Java applications to Node.js and Golang containerized services, reducing server load time by over 90% * Create and test REST API’s built using Golang and AWS DynamoDB, cutting our cpu and memory usage by 20% ### Contract Developer @ PubLoft Jan 2017 – Jan 2018 | Phoenix, Arizona Area * Develop in-house tools for assigning customers wanting their business reviewed and journalists who want to review businesses. ### Teacher Assistant @ Galvanize Inc Jan 2018 – Jan 2018 | Phoenix, Arizona Area ### Software Intern @ DUUL Jan 2017 – Jan 2018 | Phoenix, Arizona Area * Managed the tournament platform database and paying out tournament winners * Wrote a solution for flagging players attempting to exploit the system saving thousands of dollars. * Ran Q/A for the platform including writing bug reports and bug fixes. ## Education ### Software Developer Galvanize Jan 2017 – Jan 2017 ## Contact & Social - LinkedIn: https://linkedin.com/in/thedavidkruse --- Source: https://flows.cv/davidkruse JSON Resume: https://flows.cv/davidkruse/resume.json Last updated: 2026-03-29