Hi, this is Lya

Front-end engineer with data visualization skills,
I enjoy crafting stories from complex data.

Throughout my career, I have worked on projects spanning diverse areas. From publishing, events, lifestyle, manufacturing to finance industries. From mobile, desktop, web applications to dashboards.

Right now, I am actively exploring machine learning through personal projects. I am open for opportunities as a machine learning engineer or front-end engineer with AI/ML focus.

Curriculum Vitae

Work

  1. Fleea

    Machine Learning Engineer Track (Study)

    Starting March 2024 - Decides to take a plunge in machine learning world.

    Projects :

    • Image to Anki Flashcard
      Python tool converting study material images into Anki flashcards using LangChain, LangGraph, utilizes computer vision to enhance LLM accuracy.
    • Modular Trading Gymnasium Environment
      Modular reinforcement learning framework for algorithmic trading. Customizable reward functions and observation spaces for rapid experimentation with diverse strategies. Integrated with Stable Baselines3 and MLflow for agent training and experiment tracking.
    • Statistic Visualisation (wip)

    2008 - 2024 - See below for my professional experience.

  2. PwC Netherlands

    Senior Full Stack Developer (freelance)

    Part of the team that implements PwC Graph Based Taxation Engine, called Beacon. This project utilizes a graph based engine to navigate global tax rules using data visualizations and reports that can help turn complex tax data into valuable insights.

    The application is split between a core system and multiple plug-ins to provide flexibility and extensibility, the code is consolidated using NX monorepo.

    I was responsible for:

    • Front-end development using React, Typescript, Styled Component
    • Implementing visual and interaction design
    • Writing quality & testable code, and testing it using Jest & React Testing Library
    • Implementing GraphQL API resolvers
    • Acting as a sparring partner for front-end architectural design decision

    One of the most successful implementations of Graph Beacon is PwC Pillar Two Engine.

    Client: PwC Netherlands
    Project: Beacon

    Techstack: React, Redux, Apollo, Typescript, Jest, React Testing Library, GraphQL, Neo4J, NX Monorepo, Postman, Figma, AG-Grid, GoJS, Microsoft SRSS, ActiveReports, Docker, Kubernetes

  3. Eriks Digital

    Full Stack Developer (freelance)

    Build digital catalogs that provide in depth specification and technical knowledge of each of the 500.000+ items sold by Eriks.nl. Data is stored in Graph Database (Neo4J) to provide easy access to similar and complementing products.

    I was responsible for development using React, Typescript, and GraphQL. Maintaining accessibility and cross-browser compatibility.

    Client: Eriks Digital
    Project: Shops

    Techstack: React, Typescript, GraphQL, Apollo, Neo4J

  4. P1 Travel

    Senior Front-end Architect & React Developer (freelance)

    • Responsible for setting up a large project that streamline multiple current products
    • Responsible for front-end architectural design decision
    • Responsible for writing clean and reusable code
    • Responsible for visual and user experience design
    • Teaching and guiding junior developers

    Client: P1 Travel

    Techstack: React, Typescript, Cypress, React Testing Library, Material UI, .NET Core, AWS, Docker, Kubernetes

  5. Conclusion Digital

    Senior Front-end Angular Developer (freelance)

    Responsible for front-end development of a governmental project dealing with debt counseling

    Client: Conclusion Digital

    Techstack: Angular, Redux, RestAPI, Webpack, SCSS, Typescript, RxJs

  6. Bright River

    Senior Full Stack (React & Node.js) Developer (freelance)

    • Responsible on visual design (based on delivered ux design)
    • Responsible for front-end development of post production single page application

    Client: Bright River
    Project: Stream

    Techstack: React, Single Page Application, Redux, Webpack, SCSS, Typescript, Server Side Rendering, NodeJS

  7. G2G Online BV

    Senior Full Stack Developer (freelance)

    • Responsible on front-end development for multivarious CraftCMS based website
    • Responsible on transforming visual design to pixel perfect - cross browser application
    • Handled VWO test technical preparation and implementation
    • Worked with Google Script for recurring data processing

    Client: G2G Online

    Techstack: CraftCMS, PHP, GoogleScript, VWO, SCSS, BEM, Webpack

  8. Reeds Elsevier

    Senior Front-end Developer & Data Visualisation Engineer (freelance)

    I was involved in the project of Elsevier's Product Insights for Customer from the prototype and research phase, until the release of the product. We built dashboards that help librarians and institutions to understand their content portfolios, usages and to promote the usages of tools provided by Elsevier.

    This project delivered a successful prototype, got the budget needed for the MVP and is being used by Elsevier's client until today.

    • Responsible for delivering front-end modules for interactive data visualization : used technology such as Highcharts (extensively), Google Maps API & D3js.
    • Responsible for the visual design.
    • Acted as a sparring partner for user interaction & chart visualization concept.

    Client: Elsevier
    Project: E-PIC

    Techstack: Javascript, Highcharts, Rest API, RequireJS

  9. Freenom BV

    Front-end Developer & Visual Designer (freelance)

    • Did multivarious design task (from website, mobile, presentation and brochure)
    • Develop multiple websites based on in house templating engine

    Projects: Freenom, Verotel

    Techstack: Custom CMS, HTML5, SASS, Javascript

  10. Cloud 5

    Front-end Developer, UX & Visual Design Specialist (freelance)

    • Part of the UX team to design multiple mobile apps specialized in the veterinary industry. - Design and develop multiple websites for veterinarian services.

    Techstack: Wordpress, SASS, Javascript

  11. Casengo

    Front-end Developer & User Experience Designer (freelance)

    I transform the functional sketch to something beautiful, then transform it to something that work.

    Client: Casengo (now Grasp)

    Techstack: PHP, SASS, Javascript

  12. Swets Information Services BV

    Front-end Developer & User Experience Designer (freelance)

    • Took part in an awesome team of agile UX designers
    • My team is responsible for defining behavior of complex, content-rich web application
    • Responsible for making clean, clear and pleasantly aesthetic visual design.
    • Built high fidelity front-end prototype to support usability testable
  13. Tweakers BV

    Interaction Designer (freelance)

    • Work closely with product manager for user experience concept development
    • Design and develop prototype for advanced forms using Axure - and paper too.. :)
    • Translate business requirement into a usable workflow

    Client: Tweakers
    Project: Tweakers

  14. Fuel Amsterdam

    Interaction Designer and WebDesigner (freelance)

    • Translating Business Purpose to Functional Design Specification
    • Developing Use Cases and Wireframes to explain the features and functional design of the system
    • Designing GUI of web application
    • Collaborating with Developer team to balance the wishes of the client and manageable features and specification
  15. Teqa Webworks

    UX Researcher (freelance)

    • Conducting Site Visit and Customer Research for iReserve and Teqa
    • Gathering and analyzing usability data
    • Building interaction design concept based on the research

    Client: Teqa Webworks
    Project: iReserve

  16. Studio Dumbar

    Visual Designer & Front-end Developer (part-time)

    • Collaborate with creative teams for governmental project
    • Give short course to external clients
    • Write short, skimmable, readable, understandable documentations

    Client: Studio Dumbar
    Project: Rijkshuisstijl

  17. Dutch Design Agency

    Visual Designer & Front-end Developer (intern)

  18. Team WKA

    Package Designer (intern)

Study

  1. Open University

    Premaster Artificial Intelligence

  2. Hogeschool voor de Kunsten Utrecht

    Interaction Design (Master of Arts)

    Achievement:

    • Receiver of Full Tuition Fee Waiver 2008
  3. Saxion Hogeschool Enschede

    Kunst en Techniek (HBO-ICT)

    Achievements:

    • Advances to Master Program in the 3rd year
    • Receiver of DELTA Scholarship 2004