Lead Front-end JavaScript Software Engineer
About this role
Contexxt is hiring a Lead Front-end JavaScript Software Engineer in London on site. It is a lead or principal Software Engineering position. The advert mentions JavaScript and React. This vacancy was detected on Contexxt's own careers page; the full description and application form are there.
Summarised by ProdReady Recruitment from the vacancy's own details — the employer's full description is on their careers page.
What this role is, and what else it is called
Employers in London advertise this kind of work as Software Engineer, Senior Software Engineer, Web Developer and Full Stack Developer too, so it is worth searching more than one wording. It is a lead or principal Software Engineering role in London, advertised as on-site.
About hiring at Contexxt
Contexxt has 1 other live technology role on its careers page. We have been observing Contexxt hiring technology staff since July 2026. See all Contexxt roles, salaries and stack.
How this role compares to the market
1,265 live UK roles list JavaScript right now, from 507 employers. The median advertised salary is £50,000; 33% are advertised as remote. Browse JavaScript roles.
1,610 live UK roles list React right now, from 459 employers. The median advertised salary is £85,000; 36% are advertised as remote. Browse React roles.
London has 4,322 live IT vacancies across 1,366 employers, with a median advertised salary of £70,000. Browse London roles.
Lead and principal roles make up 1,635 of the live UK IT market and advertise a median of £80,000.
Market figures are today's snapshot of live UK roles on employer careers pages; see hiring trends.
Technologies mentioned
Detected on Contexxt's careers page. ProdReady Recruitment lists this vacancy as an aggregator and is not the employer; applications go to the employer's own site. More IT jobs in London.