Senior Full Stack Developer Js - Edtech

Senior Full Stack Developer JS - Ed TechParadox EN is looking for a senior full‑stack developer to lead the next generation of our online learning platform.Location: Remote worldwide or in our offices in Dubai or Lisbon.French and English fluency is required.Employment type: Full‑time.ResponsibilitiesBuild & InnovateDevelop new features that enhance the Paradox App and redefine how users learn online.Implement AI‑driven functionalities that personalize the learning ntinuously test, iterate, and push boundaries to improve performance and llaborate with cross‑functional teams to integrate feedback and rapidly iterate on new ideas.Scalability & PerformanceEnsure the application can handle large volumes of concurrent users while maintaining speed and reliability.Optimize resource usage and infrastructure costs without sacrificing performance.Leverage CDN and caching strategies to improve load times globally.User‑Centered DesignWork closely with product and design teams to build intuitive, beautiful, and efficient user interfaces.Rapidly prototype features to test and refine customer experiences.Incorporate AI and automation to enhance user interactions.Problem Solving & TroubleshootingInvestigate and resolve technical challenges to ensure a seamless user journey.Analyze recurring issues and proactively implement solutions to prevent future problems.Work across teams to ensure a stable and efficient llaboration & CommunicationActively participate in tech architecture discussions and planning sessions.Provide and seek constructive feedback to continually improve the development process.Work within Agile frameworks to ensure timely and high‑quality delivery.Must Have3-6 years of full‑stack development experience, or experience as a CTO of a startup.Deep expertise in Type Script & React.Js (minimum 3 years).Proficient in Tailwind CSS.Strong AI mindset – actively integrating AI into workflows.Passion for writing clean, maintainable, and scalable code.Nice to HaveExperience with Nest.Js.Experience with LMS applications and mobile development.BenefitsRemote or hybrid work with flexible hours.Culture of autonomy, accountability, and continuous petitive compensation and allowances (e.G., gym, education budgets).One‑to‑one coaching and team‑building activities.Modern office spaces in Dubai and Lisbon.Hiring ProcessOnline application survey and short video assignment.Whats App call with Talent Manager.Video call with Hiring Manager for technical discussion.Technical test and presentation.Culture‑fit video call.Reference check.Join us if you crave growth, impact, and a mission‑driven culture.