Zhubei, Hsinchu County, Taiwan

Hello, I’mTien Yi Chen.

Freelancer

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// Career highlights

Experience metrics

Tien Yi Chen

Tien Yi Chen

Zhubei, Hsinchu County, Taiwan

21.35M

Judicial records pipeline capacity

0.957

Average recall across 20 sampled tests

8.2M

Nidin platform members

10

Engineers directly managed

// Experience

Work history overview

01

Freelancer

    JurisLM / 仁大法律

    2025.06.05–2026.09.18

    • Planned and built JurisLM, a Taiwanese legal AI platform for legal questions, contract review, and legal document drafting. Owned product planning, development, data processing, and operations.
    • Built ingestion and retrieval workflows capable of handling 21.35 million judicial records. Hybrid search achieved an average recall of 0.957 across 20 sampled tests.
    • Designed 22 tools, 3 data resources, and multiple authentication layers to isolate data between users.

    逆光記憶 / 藍穎餐飲

    2026.04–2026.08 · 4 months

    • Independently built a direct-to-consumer commerce platform for a dessert brand, connecting product content, memberships, online ordering, and an operations dashboard.

    Channel-T / 途銳資訊

    2025.06–2025.10 · 5 months

    • Built a travel product platform that integrates multiple travel agencies through APIs and automatically synchronises itineraries, prices, and departure information.
    • Built an AI product creation workflow that converts PDFs and images into searchable, publishable itinerary pages, alongside branded websites and recommendations. Later public platform results reported about 30 seconds per itinerary page and over 80% improvement in administrative efficiency.
    02

    雲仲資訊

    Technical Manager

    2021.05–2025.06 · Full-time · 4 years 2 months · 10 direct reports

    • Led peak traffic architecture for Nidin, a multi-brand ordering platform. Batched promotional coupons through scheduled queues and API traffic controls to protect order services. The platform supported 8.2 million members and over 15 million orders annually.
    • Built configurable product modules and led 55 deliveries, serving over 400 food and beverage brands, 10,000 stores, and overseas locations of major chains.
    • Led architecture and development for BDMS, ECMS, CRM, and ordering products, connecting orders, memberships, and marketing across web, LINE, iOS, and Android.
    • Passed LINE technical qualification exams and review, helped the company obtain designated technical partner status, and led the launch of a LINE Mini App. Integrated POS providers covering over 60% of the market, plus payment and logistics services.
    • Built membership-based CRM and marketing features. Brands served by the platform averaged over 50% repeat purchase rates and over 30% sales growth. The 2025 bubble tea festival supported by the platform reached over 1 million users, sold 2 million cups, and increased participating brands’ order value by 60–100%.
    • Contributed as a security team member to Nidin’s ISO/IEC 27001:2022 certification.
    • Directly managed 10 engineers, introduced Slack, Notion, and agile workflows, centralised product documentation and technical knowledge, and participated in about 100 interviews annually.
    03

    昕力資訊

    Principal Engineer

    2020.02–2021.04 · Full-time · 1 year 3 months · Managed 20 engineers

    • Led integration and enhancement of the Archives Management Information System for the National Archives Administration, National Development Council. Led a 20-person team to deliver an NT$18 million project.
    • Built full-text search across over 100 million archival catalogue records and integrated public online applications and payments.
    • Integrated MyEGOV sign-in for public users and designed back-office accounts and role permissions, supporting agency-specific access scopes and sensitive archive management.
    • Created a shared architecture for chunked large-file transfers and nearly 100 customised reports to support future enhancements.
    • Established development and accessibility standards and owned requirements breakdown, architecture decisions, team allocation, performance reviews, and recruitment.
    04

    紅點子科技

    Senior Software Engineer

    2019.05–2020.02 · Full-time · 10 months

    • Took a core role in building VClass from zero to launch, integrating course presales, instructor collaboration, payments, and digital learning delivery so instructors could validate demand before launching courses.
    • Within a year of launch, the platform I helped build grew to over 10 learning topics and nearly 30,000 course buyers. A later public course attracted nearly 5,000 registrations in five days.
    • Maintained and expanded VoiceTube Hero Web for approximately 35,000 paying users, improving performance, search visibility, and development efficiency.
    05

    歐克斯科技

    Senior Software Engineer

    2018.06–2019.05 · Full-time · 1 year

    • Contributed to Ubee, a housing price comparison platform combining real estate websites and government open data to search and compare hundreds of thousands of listings.
    • Helped design and implement map-based property search using a hybrid Leaflet and Google Maps architecture. Supported large listing volumes, cross-source comparisons, and regional market queries while improving cross-device performance and reducing third-party map costs.
    • Helped build anonymous consultation and agent matching workflows connecting property comparison with professional services.
    06

    幹得好科技

    Software Engineer

    2018.02–2018.06 · Full-time · 5 months

    • Co-founded 幹得好科技 and independently owned product planning, architecture, and full-stack development for GJ Instant Work, launching web, mobile, and cloud services. The team joined the NTU Entrepreneurship Center and exhibited at Meet Taipei.
    • Built real-time matching for small businesses and short-term workers, including job search, transparent pay and working conditions, smart notifications, attendance, payroll, and two-way reviews.
    07

    聖恩全生涯

    Software Engineer

    2014.10–2017.11 · Full-time · 3 years 2 months

    • Helped build the 聖恩生活護照 online store, connecting products, member benefits, cashback, orders, and delivery to support existing physical service locations.
    • Helped build the mobile app for shopping, promotions, organisation and bonus queries, and delivery notifications.
    • Modernised existing commerce systems and responsive websites, improving cross-device usability, performance, and maintenance while introducing version control and team collaboration.

    // Education

    Da-Yeh University

    Materials Science and Engineering

    2008.06–2012.06

    Military service

    2012.09.05–2013.08.06

    // Contact

    Contact details

    zxtw17985321@gmail.com
    Contact details

    // Skills

    Skills by category

    01.Programming languages
    JavaScriptTypeScriptPHPJava
    02.Web fundamentals
    HTMLCSSSemantic markupDOMBrowser APIs
    03.Frontend frameworks and libraries
    Vue.jsReact.jsAngularjQuery
    04.Application frameworks
    NuxtNext.js
    05.Backend frameworks
    FastAPILaravel
    06.AI application frameworks
    LangChainLangGraphLlamaIndexHaystackSemantic Kernel
    07.Multi-agent frameworks
    AutoGenCrewAIOpenAI Agents SDK
    08.AI development SDKs
    OpenAI SDKAnthropic SDKVercel AI SDK
    09.Model and inference tools
    Hugging Face TransformersOllamavLLM
    10.Vector databases and retrieval tools
    QdrantMilvusWeaviateChromaFAISSpgvector
    11.Evaluation and tracing tools
    LangSmithLangfuseRagasDeepEvalPromptfoo
    12.Styling and UI
    Sass/SCSSTailwind CSSBootstrapCSS ModulesComponent librariesDesign System
    13.State management
    PiniaVuexReduxZustandTanStack Query
    14.Routing
    Vue RouterReact Router
    15.Build tools
    ViteWebpackBabelRollup
    16.Package management
    npmpnpmYarn
    17.Runtimes
    Node.jsBun
    18.Databases
    Microsoft SQL Server
    19.APIs and real-time communication
    REST APIGraphQLWebSocketSSE
    20.Testing tools
    VitestJestTesting LibraryPlaywrightCypress
    21.Code quality
    ESLintPrettierType checkingCode Review
    22.Version control
    Git
    23.Code hosting platforms
    GitHubGitLab
    24.Continuous integration and deployment
    GitHub ActionsGitLab CIJenkins
    25.Container tools
    Docker
    26.Cloud platforms
    Google Cloud PlatformAWSAzure
    27.Deployment platforms
    VercelNetlifyCloudflare
    28.Performance and monitoring
    Chrome DevToolsLighthouseCore Web VitalsSentryGoogle Analytics
    29.Frontend practices
    Responsive designAccessibilitySEOSSR/SSGPWACross-browser compatibilityFrontend security
    30.Design tools
    FigmaStorybook
    31.Collaboration tools
    NotionSlackJiraLinear