y
yangye1

Yang Ye

@yangye1
4.7(1)

Full Stack and AI Developer, Angular, NodeJS, LLM, RAG, CRM, ERP

Spain
Chinese, Spanish, Catalan, English
About me
Full-stack developer and industrial engineer (MEng). I lead the technology of a software company and build custom business software: CRM/ERP platforms, quoting engines, e-invoicing and dashboards with Angular, Node.js and MySQL. I specialise in putting real AI inside business apps: LLM assistants that act on your data, RAG over documents and email, AI document extraction and private self-hosted models on GPU servers. 8+ years of experience. I speak English, Spanish, Catalan and Chinese.... Read more

Skills

y
yangye1
Yang Ye
Offline • 

See my services

CRM & ERP Development
I will build a custom CRM or erp for your business with angular and node
4.7(1)
From$170 / projectMore details
Full Stack Web Applications
I will build your custom angular web app or saas dashboard with node and mysql
From$95 / projectMore details

Portfolio

Work experience

Eter_Energía

IT Consultant and Full-Stack Developer

Eter Energía

Mar 2024 - Present • 2 yrs 7 mos

Built a multi-tenant CRM for an electricity and gas retailer: backend, frontend and AI integration. - REST API (Node.js/Express, MySQL) with 35+ modules: contracts, offers, price comparisons, commissions, payments and a real-time dashboard (SSE). - AI OCR pipeline (Claude) that extracts data from PDF invoices and feeds the CRM automatically. - Angular 20 SPA (ag-Grid, Highcharts) with 20+ modules: contracts, offers, comparisons and statistics. - Electron desktop app for batch PDF invoice to Excel processing, used by the sales team. - Integration of energy market data (CNMC, ESIOS, MIBGAS) for price comparisons and tariff calculation. Stack: Node.js/Express, Angular, MySQL, Claude SDK, Electron, Python.

1 Reviews
4.7

(1)
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Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    4
1-1 out of 1 Reviews
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Most relevant
    A
    image-docs

    asyslink

    ES

    Spain

    4.7

    El tiempo de entrega fue muy rápido y Yang Ye ha sido muy colaborador y comprensivo

    $200-$400

    Price

    1 day

    Duration

    gig

    CRM & ERP Development

    Helpful?
    Yes
    No