Senior Front-end Developer (Hybrid)

InnoWave; London; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

InnoWave is seeking a Senior Front-end Developer to enhance software quality through automation testing. This hybrid role emphasizes collaboration with teams, efficient code implementation, and maintaining systems. The ideal candidate must have a strong background in React and TypeScript, a degree in a related field, and the ability to work on-site at least twice per week.

Qualifications

• 5 years work experience in similar roles is required.
• Experience with unit, functional, and end-to-end testing is crucial.
• Willingness to participate in on-call schedule for 24/7 production support.

Responsibilities

• Research, design, implement, and manage software programs.
• Develop quality assurance procedures including automated tests.
• Maintain and upgrade existing systems.

Skills

React

NextJS

TypeScript

Application testing

Web performance optimization

GraphQL

Styled Components

Production monitoring

Fluency in English

Familiarity with Redux

Education

Degree in Informatics Engineering, Computer Science or similar areas

Job description

InnoWaveis looking for a Senior Front-end Developer to assess the software quality through automation testing. Assist in the testing process of our programs, identify, and track down the errors and collaborate to ensure that the systems are kept up & running. This is a hybrid position for a client in the UK.

Senior Front-end Developer

Responsibilities

• 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

Skills

• 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

InnoWave gives equal opportunity in employment regardless of gender, gender identity, sexual orientation, marital status, race, nationality, religion, age, disability, political beliefs, or any other factor. InnoWave will not pay fees to any third-party agency or company that does not have a signed agreement, do not submit resumes/CV's directly.

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