Lead Java Developer/Solution Architect (6-month contract)
About this role
Gravity9 is hiring a Lead Java Developer/Solution Architect (6-month contract) in London on a hybrid basis. It is a lead or principal contract Technology Architecture position. The advert mentions Java, Kubernetes and MongoDB. This vacancy was detected on Gravity9'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 Solutions Architect, AI Solutions Architect, AI Technical Architect and Software Architect too, so it is worth searching more than one wording. It is a lead or principal Technology Architecture role in London, advertised as hybrid, splitting time between home and the office.
About hiring at Gravity9
Gravity9 has 8 other live technology roles on its careers page, across Software Engineering, Data, AI & Machine Learning and DevOps, Platform & SRE. Of those, 67% are advertised as fully remote and 33% as hybrid. Elsewhere in its adverts Gravity9 asks for AWS, Azure, Python, Node.js and Google Cloud. We have been observing Gravity9 hiring technology staff since June 2026. See all Gravity9 roles, salaries and stack.
How this role compares to the market
1,302 live UK roles list Java right now, from 326 employers. The median advertised salary is £90,000; 32% are advertised as remote. Browse Java roles.
794 live UK roles list Kubernetes right now, from 243 employers. The median advertised salary is £97,250; 38% are advertised as remote. Browse Kubernetes roles.
London has 4,268 live IT vacancies across 1,364 employers, with a median advertised salary of £70,000. Browse London roles.
Lead and principal roles make up 1,621 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 Gravity9'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.