Freelance Senior front end developer

For DPG Media; Designing (architectural) and development of a tracking library (greenfield) Integration and support to various experimentation and analytics platforms (see list below) Setting up dashboards and mappings, gaining insights in Analytics suites Contentsquare and Heap Development and maintenance of Java Spring Boot stack with Thymeleaf Development of personalisation features like bookmarking and site navigation Leading web development working group to establish best practices and technical standards Writing A/B tests (CRO), setting up metrics and tracking Development and maintenance of e2e tests to prevent regression Development of SSR, CSR and statically rendered features in NextJS Monitoring, coordinating and responding to technical incidents Connecting to different RESTful API's, and setting up/maintaining OpenApi Docs Working with legacy codebases (refactoring and/or migrating) Implementation of accessibility standards (WCAG 2.0 and up)