Senior Frontend Developer (Hybrid)

Researching, designing, implementing, and managing software programs Testing and evaluating new programs Identifying areas for modification in existing programs and subsequently developing these modifications Writing and implementing efficient code Determining operational practicality Developing quality assurance procedures (automated tests) Deploying software tools, processes, and metrics Maintaining and upgrading existing systems Working closely with other teams

Do you have experience in TypeScript?, InnoWave is looking for a dynamic and agile Senior Front-end Developer with experience in testing to join our team. This is a hybrid position for a client in the UK., Degree in Informatics Engineering, Computer Science or similar areas Minimum of 5 years work experience in similar roles Advanced experience with React, NextJS, and TypeScript Strong background in application testing, including unit, mocked functional, end-to-end (e2e), smoke, and visual regression testing, with a solid understanding of the testing pyramid Proficiency with GraphQL, Styled Components, and Playwright Experience in production monitoring, alerting, and building resilient front-end systems Deep understanding of web performance optimization and best practices Familiarity with Redux is a plus, as some legacy code still relies on it Willingness to participate in a rotational on-call schedule for 24/7 production support (approximately 1 week every 2 months, with a few calls per week) Fluent in English - written and spoken (mandatory) Role requires on-site presence in Osterley (just west of London) at least twice a week