# Diedra Rater > Senior Frontend Developer Location: Mountain View, California, United States Profile: https://flows.cv/diedra Frontend engineer with a background in visual design and over 7 years experience building production web applications with a focus on accessibility. Specializes in closely collaborating with design to produce smooth and joyful experiences for all users. ## Work Experience ### Software Engineer @ Tandem Jan 2024 – Present ### Senior Frontend Engineer @ Chan Zuckerberg Initiative Jan 2020 – Jan 2022 | Redwood City, California, United States • Developed reusable components to flesh out a design system that could be leveraged to build new features faster with consistent branding and a reliable level of accessibility. • Participated in critiquing designs for accessibility concerns, technical constraints, effective UX, and aesthetics; supported a new lead designer after the previous one left. • Designed and implemented animation and polish to web frontend features, such as loading state spinners and success state confetti, using sprite sheets, After Effects, and Lottie. • Led a project to investigate if Rive would be a better solution for animations than Lottie. • Prototyped design concepts to stress test potential features ahead of development. ### Software Engineer @ Khan Academy Jan 2016 – Jan 2020 | Mountain View, CA • Led 6 person cross-functional team to update content forum feature frontend code to be accessible, responsive, and use brand guidelines; triaged QA tickets to prioritize accessibility. • Created and led an accessibility group to share knowledge across roles and teams. • Co-led internship program, synced with mentors and interns to ensure the intern’s success, facilitated technical talks and docs for onboarding, and planned a hackathon. • Mentored software engineer interns and junior devs through code reviews, answering technical questions, and pairing on git, feature development, and debugging. • Co-led an ERG to increase the sense of belonging for marginalized team members, gave internal talks on inclusion, led book clubs to discuss how our product could better serve under-resourced learners, and ran several social groups to improve team bonding. • Improved web accessibility level by fixing issues in rounds of audits by an external firm. • Collaborated with designers and PMs to develop new features to spec from designs. • Investigated and solved technical product issues resulting from cross-team integration. • Rapidly iterated on A/B tests to answer questions for user engagement and retention. • Improved tools for translation teams to more efficiently localize content. ### Software Engineer @ Q42 Jan 2015 – Jan 2016 | Mountain View, CA • Worked with venture-backed startups in a San Francisco incubator to develop iterative end- to-end IoT prototypes for mobile web and Android in weekly sprints. • Built internal business tools for tracking incoming projects and employee time off. • Migrated company website codebase from CoffeeScript to JavaScript for maintainability. ## Education ### Computer Software Engineering Hack Reactor ### Bachelor of Fine Arts (B.F.A.) Iowa State University ## Contact & Social - LinkedIn: https://linkedin.com/in/diedrarater - Website: https://github.com/dierat --- Source: https://flows.cv/diedra JSON Resume: https://flows.cv/diedra/resume.json Last updated: 2026-04-01