Period
to 18 November 2017

The following table provides summary statistics for contract job vacancies advertised in Middlesex with a requirement for JSON skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSON over the 6 months to 18 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

JSON
South East > Middlesex
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 32 39 34
Rank change year-on-year +7 -5 +5
Contract jobs citing JSON 3 4 3
As % of all contract IT jobs advertised in Middlesex 1.16% 1.11% 0.84%
As % of the Libraries, Frameworks & Software Standards category 4.23% 3.88% 4.23%
Number of daily rates quoted 1 4 1
Middlesex median daily rate £545 £375 £300
Median daily rate % change year-on-year +45.33% +25.00% -20.00%
10th Percentile £538 £329 £275
90th Percentile £553 £421 £325
South East median daily rate £470 £413 £400
% change year-on-year +13.94% +3.13% +14.29%
Number of hourly rates quoted 0 0 0
Middlesex median hourly rate - - -
South East median hourly rate £27.50 £45.00 -
% change year-on-year -38.89% - -

JSON is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Middlesex with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Middlesex
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 71 103 71
As % of all contract IT jobs advertised in Middlesex 27.52% 28.61% 19.94%
Number of daily rates quoted 55 68 35
Middlesex median daily rate £435 £425 £350
Median daily rate % change year-on-year +2.35% +21.43% -
10th Percentile £300 £334 £263
90th Percentile £533 £528 £445
South East median daily rate £425 £400 £385
% change year-on-year +6.25% +3.90% +6.21%
Number of hourly rates quoted 0 0 3
Middlesex median hourly rate - - £13.00
South East median hourly rate £45.00 £41.00 £37.50
% change year-on-year +9.76% +9.33% +15.38%

JSON
Job Vacancy Trend in Middlesex

Job postings citing JSON as a percentage of all IT jobs advertised in Middlesex.

Job vacancy trend for JSON in Middlesex

JSON
Contractor Daily Rate Trend in Middlesex

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing JSON in Middlesex.

Contractor daily rate trend for JSON in Middlesex

For the 6 months to 18 November 2017, IT contractor jobs citing JSON also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Middlesex region with a requirement for JSON.

1 2 (66.67%) SOAP
1 2 (66.67%) Python
1 2 (66.67%) Network Security
1 2 (66.67%) Microsoft Azure
1 2 (66.67%) Amazon AWS
1 2 (66.67%) REST
1 2 (66.67%) DevOps
2 1 (33.33%) Opscode Chef
2 1 (33.33%) Relational Database
2 1 (33.33%) StatsD
2 1 (33.33%) Ansible
2 1 (33.33%) Sensu
2 1 (33.33%) Graphite
2 1 (33.33%) AWS CloudFormation
2 1 (33.33%) Data Centre
2 1 (33.33%) API Design
2 1 (33.33%) Virtual Team Management
2 1 (33.33%) Virtual Team
2 1 (33.33%) IT Strategy
2 1 (33.33%) Creative Thinking
2 1 (33.33%) Splunk
2 1 (33.33%) MapReduce
2 1 (33.33%) Continuous Improvement
2 1 (33.33%) Big Data
2 1 (33.33%) IaaS
2 1 (33.33%) Analytics
2 1 (33.33%) Amazon EMR
2 1 (33.33%) Amazon DynamoDB
2 1 (33.33%) Open Source
2 1 (33.33%) PaaS

JSON
Co-occurring IT Skills in Middlesex by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (33.33%) Apache
1 1 (33.33%) nginx
Cloud Services
1 2 (66.67%) Amazon AWS
1 2 (66.67%) Microsoft Azure
2 1 (33.33%) Amazon EMR
2 1 (33.33%) AWS CloudFormation
2 1 (33.33%) IaaS
2 1 (33.33%) PaaS
Communications & Networking
1 2 (66.67%) Network Security
2 1 (33.33%) SSL
Database & Business Intelligence
1 1 (33.33%) Amazon DynamoDB
1 1 (33.33%) Big Data
1 1 (33.33%) Hadoop
1 1 (33.33%) MySQL
1 1 (33.33%) NoSQL
1 1 (33.33%) PostgreSQL
1 1 (33.33%) RDBMS
1 1 (33.33%) Relational Database
1 1 (33.33%) SQL Server
Development Applications
1 1 (33.33%) Git (software)
Job Titles
1 2 (66.67%) DevOps Engineer
2 1 (33.33%) Architect
2 1 (33.33%) Cloud Engineer
2 1 (33.33%) Digital Architect
2 1 (33.33%) Digital Solutions Architect
2 1 (33.33%) Solutions Architect
Libraries, Frameworks & Software Standards
1 2 (66.67%) REST
1 2 (66.67%) SOAP
2 1 (33.33%) HTML
2 1 (33.33%) Sensu
2 1 (33.33%) WSDL
2 1 (33.33%) XML
2 1 (33.33%) XSL
Miscellaneous
1 1 (33.33%) Data Centre
1 1 (33.33%) Virtual Team
Processes & Methodologies
1 2 (66.67%) DevOps
2 1 (33.33%) Agile Software Development
2 1 (33.33%) Analytics
2 1 (33.33%) API Design
2 1 (33.33%) Configuration Management
2 1 (33.33%) Continuous Improvement
2 1 (33.33%) Creative Thinking
2 1 (33.33%) IT Strategy
2 1 (33.33%) MapReduce
2 1 (33.33%) Migration
2 1 (33.33%) Open Source
2 1 (33.33%) Performance Testing
2 1 (33.33%) Virtual Team Management
Programming Languages
1 2 (66.67%) Python
2 1 (33.33%) Bash Shell
2 1 (33.33%) PowerShell
Systems Management
1 1 (33.33%) Ansible
1 1 (33.33%) Ganglia
1 1 (33.33%) Graphite
1 1 (33.33%) Nagios
1 1 (33.33%) Opscode Chef
1 1 (33.33%) StatsD
Vendors
1 1 (33.33%) CA
1 1 (33.33%) Oracle
1 1 (33.33%) Splunk