William Xin
Full Stack Software Developer with 10 years of experience
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![Cover image for Superblocks [Application Tooling Platform]
Superblocks is](https://media.contra.com/image/upload/q_auto,w_1100/hl3gs0tst6topmbmhwci.avif)
Superblocks [Application Tooling Platform]
Superblocks is a developer platform for building internal applications, automations, and integrations with less custom infrastructure work.
I worked on builder-style interfaces, integration configuration screens, reusable form controls, and workflow-oriented product pages.
I also supported analytics instrumentation, polished UI interactions, and CRM/API-connected product experiences.
Industry: Developer Tools, Workflow Automation, B2B SaaS
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![Cover image for BENQI [Avalanche DeFi Platform]
BENQI offers](https://media.contra.com/image/upload/q_auto,w_1100/jzyrw8gbjhnhmplkxw1x.avif)
BENQI [Avalanche DeFi Platform]
BENQI offers DeFi products for lending, borrowing, liquid staking, and validator-related liquidity on Avalanche.
I contributed to staking and supply flows, asset cards, wallet-connected transaction states, and account summary screens.
I also worked on responsive UI behavior for active positions and asset-management views.
Industry: DeFi, Web3, Crypto Finance
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![Cover image for Tauria [Secure Communication Platform]
Tauria focuses](https://media.contra.com/image/upload/q_auto,w_1100/jppg27hbc0nwltilpwhu.avif)
Tauria [Secure Communication Platform]
Tauria focuses on secure collaboration and post-quantum-safe communication for privacy-conscious teams.
I worked on meeting-room flows, secure workspace screens, participant states, and real-time communication UI.
I also contributed to frontend handling for call states, responsive layouts, and secure account-oriented experiences.
Industry: Secure Communications, Cybersecurity, SaaS
0
13
Joy [Wedding Planning & Registry Platform] (https://withjoy.com/)
Joy provides wedding websites, guest management, RSVP tools, vendor discovery, and registry shopping experiences.
I worked across the marketing site, vendor pages, design/theme editing flows, and registry shopping interfaces.
I built animation-heavy landing sections, contributed to Joy UI Kit components, and supported API-connected features across multiple portals.
Industry: Wedding Tech, E-Commerce, Consumer SaaS
Tech Stacks: React, Gatsby, TypeScript, Redux, GraphQL, Styled Components, GSAP, ScrollMagic, Lottie, Express.js, MongoDB
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