Adzuna: DevOps Engineer: £88.7k / JavaScript Developer £75.7k CWJobs: DevOps Engineer: £77.5k / JavaScript Developer £70k GlassdoorDevOps Engineer: £60.3k / JavaScript Developer £64.7k JobsiteDevOps Engineer: £77.5k / JavaScript Developer £72.5k Tech Nation: Average non-tech salaries ~£35K, Average tech salaries £62K (~80% higher than non-tech salaries.)