# Daniel Hwang > Software Engineer @ Atoms | MS in Computer Science Location: Seattle, Washington, United States Profile: https://flows.cv/danielhwang1 As a frontend software engineer at Slack, one of the world's leading team collaboration platforms, I shape and enhance the user experience of over 20 million users worldwide. With over 5 years of professional experience in web development, I have a strong background in React, Typescript, HTML, CSS, and JavaScript, as well as a passion for accessibility, usability, and design. I lead the development of the Workflow Builder, a large scale no code platform that allows users to create automated workflows in the Slack client. I work closely with design, product, and data science teams to conduct A/B testing and usability studies to gather data and user feedback to drive iterative design improvements, enhancing user satisfaction. I maintain an efficient, accessible, and stable codebase by writing typed and testable Typescript React components to a11y standards. I write tests in Jest and RTL to ensure minimal regressions while shipping new features and bug fixes. I also contribute to the company's culture of learning and innovation by sharing best practices, mentoring junior developers, and participating in code reviews and hackathons. ## Work Experience ### Software Engineer @ Atoms Jan 2024 – Present | Seattle, WA - Led the redesign and modernization of real-time analytics dashboards in close partnership with Design and Product, delivering fast, intuitive, and trustworthy data experiences. - Defined scalable frontend patterns for analytics UIs, balancing data density, performance, and accessibility across shared components. - Built interactive, performance-conscious financial visualizations using Visx, keeping complex, data-heavy interfaces responsive at scale. - Drove full-stack performance optimization across analytics surfaces, introducing client-side data prefetching, caching, and SSR improvements. - Collaborated with backend engineers to optimize analytics query paths and Apache Pinot database performance, improving time-to-data. - Delivered measurable impact: 30% faster load times, 43% smaller page payloads, 26% lower query latency, Lighthouse 65 → 98, and 40% increase in generated leads through performance-driven UX improvements. ### Frontend Software Engineer @ Slack Jan 2022 – Jan 2024 -Shaped and enhanced the frontend user experience of one of the world's leading team collaboration platforms, serving over 20 million users worldwide. -Lead the development of the Workflow Builder, a large scale no code platform that allows users to create automated workflows in the Slack client. -Worked closely with design, product, and data science teams to conduct A/B testing and usability studies to gather data and user feedback to drive iterative design improvements, enhancing user satisfaction. -Maintained an efficient, accessible, and stable codebase by writing typed and testable Typescript React components to a11y standards. Wrote tests in Jest and RTL to ensure minimal regressions while shipping new features and products. -Promoted collaboration among teammates, participating in regular pair programming sessions and peer code-reviews. ### Software Engineer II @ Ultra Mobile Jan 2018 – Jan 2022 | Costa Mesa, California -Used an expansive front end tech stack including React, JS, PHP, HTML, and CSS/SCSS to build and maintain a large scale ecommerce store serving up to 2 million users a day. Implemented designs with a strong focus on interactivity and UI/UX consistency. -Spearheaded a website redesign consisting of the implementation of a brand new design system in Storybook, as well as a re-architecture of the site’s CSS/SCSS structure utilizing BEM naming convention. -Consumed and developed custom implementations of third-party services and APIs, such as Google Analytics, Google Tag Manager, and Optimizely to manage user analytics tracking, A/B Testing, and Conversion Rate metrics. -Worked in a cross-functional team environment involving regular discussion and cooperation with other departments including Design, Product, and QA teams. -Performed as a team leader in an Agile environment handling day to day tasks such as code review and feature QA, while also ensuring that the team hit all major performance metrics per sprint. ### Operations Manager @ Amazon Jan 2016 – Jan 2017 | Dallas/Fort Worth Area • Promoted to manage and lead the company’s largest team of 200+ warehouse associates up from 70. Developed and launched a new process and organization to improve work distribution and utilization which increased shipments by 40%, a new record of 1 million shipments during peak season. • Met and exceeded all quarterly and annual business targets for the team. Created and inspired a climate of achievement through clear communication of goals and constructive feedback which led to a 20% increase in employee satisfaction. • Recognized as a pacesetter manager who led by example and inspired the development and promotion of 5 associates to leadership positions within a 7 month span. ### Intern @ California United Bank Jan 2015 – Jan 2016 | Los Angeles, CA •Transcribed financial documents for a medium-sized business bank, creating spreadsheets in Excel from asset and liability financial statements to be processed by risk analysts. ### Customer Service Representative @ University of Southern California Jan 2013 – Jan 2016 ## Education ### Master of Science - MS in Computer Science (Computer Security) Georgia Institute of Technology Jan 2018 – Jan 2021 ### Bachelor's Degree in Mathematics/Economics University of Southern California Jan 2012 – Jan 2016 ## Contact & Social - LinkedIn: https://linkedin.com/in/danielhw1 --- Source: https://flows.cv/danielhwang1 JSON Resume: https://flows.cv/danielhwang1/resume.json Last updated: 2026-03-29