Period
to 19 August 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for YAML skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited YAML over the 6 months to 19 August 2018 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.

YAML
Central London > City of London
6 months to
19 Aug 2018
Same period 2017 Same period 2016
Rank 240 239 245
Rank change year-on-year -1 +6 +43
Contract jobs citing YAML 7 1 2
As % of all contract IT jobs advertised in the City of London 0.10% 0.015% 0.030%
As % of the Libraries, Frameworks & Software Standards category 0.25% 0.040% 0.085%
Number of daily rates quoted 5 1 2
City of London median daily rate £550 £475 £363
Median daily rate % change year-on-year +15.79% +31.03% -22.87%
10th Percentile £515 £438 £329
90th Percentile £620 £513 £386
Central London median daily rate £538 £475 £363
% change year-on-year +13.16% +31.03% -22.87%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

YAML 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 the City of London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2,772 2,513 2,354
As % of all contract IT jobs advertised in the City of London 39.65% 37.75% 34.82%
Number of daily rates quoted 2,265 2,022 1,993
City of London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +2.70%
10th Percentile £370 £363 £321
90th Percentile £675 £650 £638
Central London median daily rate £525 £500 £452
% change year-on-year +5.00% +10.74% +0.33%
Number of hourly rates quoted 10 11 5
City of London median hourly rate £22.00 £24.49 £20.00
Median hourly rate % change year-on-year -10.15% +22.43% -32.47%
10th Percentile £20.38 £20.75 £16.69
90th Percentile £45.63 £29.62 £50.43
Central London median hourly rate £22.00 £24.36 £20.00
% change year-on-year -9.69% +21.80% -42.86%

YAML
Job Vacancy Trend in the City of London

Job postings citing YAML as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for YAML in the City of London

YAML
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing YAML in the City of London.

Contractor daily rate trend for YAML in the City of London

For the 6 months to 19 August 2018, IT contractor jobs citing YAML also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for YAML.

1 6 (85.71%) JSON
2 5 (71.43%) Amazon AWS
2 5 (71.43%) Ansible
3 4 (57.14%) Linux
4 3 (42.86%) Python
4 3 (42.86%) Configuration Management
4 3 (42.86%) Docker
4 3 (42.86%) Jenkins
4 3 (42.86%) Puppet
4 3 (42.86%) Route 53
4 3 (42.86%) Build Automation
4 3 (42.86%) PowerShell
4 3 (42.86%) Terraform
4 3 (42.86%) DevOps
5 2 (28.57%) Opscode Chef
5 2 (28.57%) Server Management
5 2 (28.57%) Sonatype Nexus
5 2 (28.57%) Windows Server
5 2 (28.57%) Git (software)
5 2 (28.57%) Amazon EC2
5 2 (28.57%) Ruby
5 2 (28.57%) Windows
5 2 (28.57%) Security Cleared
5 2 (28.57%) Windows Server 2012
5 2 (28.57%) Artifactory
5 2 (28.57%) Amazon ELB
5 2 (28.57%) Amazon RDS
5 2 (28.57%) Virtual Private Cloud
5 2 (28.57%) Active Directory
5 2 (28.57%) Firewall

YAML
Co-occurring IT Skills in the City of London 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 (14.29%) Apache
1 1 (14.29%) nginx
Cloud Services
1 5 (71.43%) Amazon AWS
2 3 (42.86%) Route 53
3 2 (28.57%) Amazon EC2
3 2 (28.57%) Amazon ELB
3 2 (28.57%) Virtual Private Cloud
4 1 (14.29%) AWS CloudFormation
4 1 (14.29%) Microsoft Azure
Communications & Networking
1 2 (28.57%) DNS
1 2 (28.57%) Firewall
1 2 (28.57%) TCP/IP
2 1 (14.29%) NGN
Database & Business Intelligence
1 2 (28.57%) Amazon RDS
1 2 (28.57%) MySQL
1 2 (28.57%) SQL Server
2 1 (14.29%) MongoDB
2 1 (14.29%) Power BI
Development Applications
1 3 (42.86%) Jenkins
2 2 (28.57%) Artifactory
2 2 (28.57%) Git (software)
2 2 (28.57%) Sonatype Nexus
3 1 (14.29%) Chocolatey
General
1 2 (28.57%) Finance
2 1 (14.29%) Banking
2 1 (14.29%) Legal
2 1 (14.29%) Retail Banking
Job Titles
1 2 (28.57%) DevOps Engineer
2 1 (14.29%) Automation Engineer
2 1 (14.29%) AWS Consultant
2 1 (14.29%) AWS Engineer
2 1 (14.29%) Cloud Consultant
2 1 (14.29%) Cloud Engineer
2 1 (14.29%) Consultant
2 1 (14.29%) Integration Engineer
2 1 (14.29%) Stakeholder Management Consultant
Libraries, Frameworks & Software Standards
1 6 (85.71%) JSON
2 2 (28.57%) XML
3 1 (14.29%) Elastic Stack
3 1 (14.29%) LAMP
3 1 (14.29%) LEMP Stack
3 1 (14.29%) Swagger
Operating Systems
1 4 (57.14%) Linux
2 2 (28.57%) Windows
2 2 (28.57%) Windows Server
2 2 (28.57%) Windows Server 2012
3 1 (14.29%) Unix
Processes & Methodologies
1 3 (42.86%) Build Automation
1 3 (42.86%) Configuration Management
1 3 (42.86%) DevOps
2 2 (28.57%) Business Intelligence
2 2 (28.57%) Server Management
3 1 (14.29%) Agile Software Development
3 1 (14.29%) Application Performance Monitoring
3 1 (14.29%) Collaborative Working
3 1 (14.29%) Data Integration
3 1 (14.29%) Data Modelling
3 1 (14.29%) Data Privacy
3 1 (14.29%) Data Protection
3 1 (14.29%) Information Security
3 1 (14.29%) Logical Data Model
3 1 (14.29%) Performance Monitoring
3 1 (14.29%) Programme Delivery
3 1 (14.29%) Stakeholder Management
3 1 (14.29%) UML
Programming Languages
1 3 (42.86%) PowerShell
1 3 (42.86%) Python
2 2 (28.57%) Ruby
3 1 (14.29%) Bash Shell
3 1 (14.29%) C
3 1 (14.29%) Go
3 1 (14.29%) JavaScript
3 1 (14.29%) Perl
3 1 (14.29%) PHP
Qualifications
1 2 (28.57%) Security Cleared
2 1 (14.29%) SC Cleared
Quality Assurance & Compliance
1 1 (14.29%) GDPR
1 1 (14.29%) ISO 20022
1 1 (14.29%) PSD2
System Software
1 3 (42.86%) Docker
2 2 (28.57%) Active Directory
Systems Management
1 5 (71.43%) Ansible
2 3 (42.86%) Puppet
2 3 (42.86%) Terraform
3 2 (28.57%) Opscode Chef
4 1 (14.29%) Packer
4 1 (14.29%) Salt
Vendors
1 1 (14.29%) Cisco
1 1 (14.29%) Juniper
1 1 (14.29%) Nokia
1 1 (14.29%) SaltStack
1 1 (14.29%) VMware