My Start Up Payments Fintech Client are currently looking for a Senior Full-Stack Engineer to shape the product vision and technical architecture. Key Responsibilities include: * Build Technology that solves customer problems. * End to End Product Development, from Ideation to building the UI, Back End Logic, Deployment, Feedback and Measurement. * Build Intuitive and performant web interfaces. * Implement IT Security and Data protection best practices. * Help Automate Non Tech Processes to improve output and efficiency. Key Experience required: * In depth knowledge of Typescript, React, NextJS, NodeJS, Express and PostgreSQL * Experience in a Start Up / Scale Up Environment (Payments / Fintech preferred) This role is 3 days (Tues, Weds, Thurs) a week onsite (Old Street). If you are interested in the position please submit your profile and contact details.