Jeroen van de Sanden

Frontend Development on a web application dedicated to personalised travel plans within a dev SCRUM team. • Feature Lead on the integration of the brand new “Trains” service - Frontend architecture & strategy - UI integration using StoryBook and React.js - Micro-service integration using Next.js and data streaming • Building a brand new component library from scratch in StoryBook with the company’s design system • Technical migration of the application to support React 18+ and Next.js 14+ • Complete UI and performance rework of the user account using React/Next SSR and Server Actions to optimize performance • Increased test coverage by improving and adding unit, integration, sanity, and end-to-end tests using Jest, React Testing Library, and Cypress • Improved platform health by actively reducing legacy bugs through Sentry

Creation of the health dashboard “Healthabitify” that translates and centralises a user’s health data from their wearables and blood tests into an understandable dashboard. • Creation of concept, UX/UI and web architecture • Routing and page protection using React Router and Middleware • Complete UI components integration using React and Tailwind CSS • State management using React Hooks & Redux • Devices OAuth2 client-side integration • REST API integrations from Oura, Google, Fitbit, Polar • Data management using Firebase SDK UPDATE 2025: • Complete rework of the application using Next.js 14+ • Devices OAuth2 server-side integration with Node.js • AI integration with personalized health advice using OpenAI API

Managing product SCRUM teams from business strategy to deployment for international clients. Key responsibilities: • Translate strategic objectives into clear, actionable product requirements and milestones • Define and prioritize the product roadmap in alignment with business goals and user needs • Manage the product backlog and ensure alignment with roadmap priorities • Create and maintain user stories, acceptance criteria, and release plans • Lead Google Design Sprints with all product stakeholders and integrate prototype user testing • Facilitate agile ceremonies (daily’s, sprint planning, retrospectives) with the product team • Bridge communication between business and technical teams, ensuring clarity of priorities and scope • Manage trade-offs between technical feasibility, user value, and planning • Define and track key product metrics with all product and project managers Tools used: • Roadmap: Miro, Trello • Backlog, user stories & tasks: Trello, Asana, Jira • Communication & documentation: Slack, Discord, Confluence

Freelance photographer and entrepreneur @Beeldjagers doing professional photography at: - Companies - Weddings - Events Some personal projects are still visible at photo.jeroenvandesanden.com

As Front-end developer at Vuursteen my main task was to understand client needs and translate those into websites & webshops. I worked together with the development project team to realize projects for multiple clients using HTML/CSS & JavaScript (jQuery) languages. • Transform pixel perfect Photoshop designs into responsive HTML/CSS pages using Sass • Integrate interactive JavaScript (jQuery) features into existing client projects • Build responsive email templates using plain HTML/CSS markup • Work on UX/UI integration on Magento webshops • Build WordPress landing pages for clients • Collaborate with the design and development team to deliver sites and web apps for clients

Domeinwinkel is a fast-growing domain and web hosting provider providing quality webhosting for businesses and customers. As Marketing Manager I was responsible for: - Managing a small marketing team - Defining market opportunities together with top management - Setting out marketing campaigns on many different channels - Configuring & Analysing campaign data/results on Google Adwords & Google Analytics

As a Management assistant communication for M&P Bureauservice I took care of all external communication towards clients for International and national branche organisations within the textile cleaning industry. Besides this my function included the organisation of events, customer service on international level, website management, researcher and textile sector content professional.