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I’m David, a senior software engineer with 10+ years of experience building products across the React ecosystem, with hands-on work spanning backend services and mobile development. I enjoy taking ownership—from shaping project scope and timelines to leading adoption of engineering practices, mentoring teams, and improving reliability through observability and proactive incident management.…

David Deqfin Xu Senior Software Engineer

Software Engineer, Front-End Developer, DevOps Developer, +3

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I’m David, a senior software engineer with 10+ years of experience building products across the React ecosystem, with hands-on work spanning backend services and mobile development. I enjoy taking ownership—from shaping project scope and timelines to leading adoption of engineering practices, mentoring teams, and improving reliability through observability and proactive incident management.…

Available to hire

I’m David, a senior software engineer with 10+ years of experience building products across the React ecosystem, with hands-on work spanning backend services and mobile development. I enjoy taking ownership—from shaping project scope and timelines to leading adoption of engineering practices, mentoring teams, and improving reliability through observability and proactive incident management.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Senior Software Engineer at Canva, Inc.

January 1, 2025 - Present

Captained development of two video-editing flows, created spikes, wrote tickets, and partnered with stakeholders to define project scope and timelines. Led adoption of a mobile E2E testing framework within the Video Group, wrote engineering handbook tutorials, and ran training workshops for offshore engineering teams. Monitored application health using observability platforms, proactively identified issues, raised incidents, and coordinated with service teams to implement fixes.

Principal Engineer at Atlassian

January 1, 2024 - January 1, 2025

Oversaw growth of a team of 11 engineers by managing backlog refinement, monitoring running experiments, and supporting the Engineering Manager with resource allocation. Facilitated weekly DevOps Research and Assessment (DORA) across 10 growth teams. Identified and drove cross-team improvements by coordinating 15+ engineering teams at Atlassian to audit and replace outdated icons across Jira, Confluence, and Admin Hub.

Senior Frontend Engineer at Amdocs Studios

January 1, 2020 - January 1, 2024

Consulted with multiple enterprise clients on diverse projects. Led development of Westpac’s Kiwi Saver calculator using React. Led development of Kiwibank’s new design system and Storybook. Contributed to Vodafone’s mobile log in flow built with React Native and Azure AD. Negotiated with stakeholders on project scope and aligned technical direction with client internal teams, including organizing workshops to upskill clients’ internal teams. Served as Frontend Council Lead for the agency’s Frontend Chapter, organizing weekly in-house technical workshops and after-hours team building activities.

Online Development Engineer at Spark New Zealand

January 1, 2015 - January 1, 2020

Built multiple web applications such as a network management portal, parental control dashboard, and a broadband buy journey using Adobe AEM, ASP.NET, Angular, and React. Modernized the company’s frontend stack by introducing TypeScript, styled components, Redux, and the React Testing Library, and established a shared component library.