Period
to 16 December 2018

The following table provides summary statistics for contract job vacancies 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 16 December 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
UK
6 months to
16 Dec 2018
Same period 2017 Same period 2016
Rank 764 827 864
Rank change year-on-year +63 +37 +27
Contract jobs citing YAML 139 69 23
As % of all contract IT jobs advertised in the UK 0.13% 0.067% 0.022%
As % of the Libraries, Frameworks & Software Standards category 0.38% 0.21% 0.072%
Number of daily rates quoted 84 39 14
UK median daily rate £500 £500 £463
Median daily rate % change year-on-year - +8.11% -5.13%
10th Percentile £425 £365 £375
90th Percentile £588 £610 £600
UK excluding London median daily rate £500 £430 £450
% change year-on-year +16.22% -4.44% -13.46%
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding 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 with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 36,195 33,029 31,838
As % of all contract IT jobs advertised in the UK 34.74% 32.19% 31.02%
Number of daily rates quoted 25,596 23,345 21,968
UK median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +3.03%
10th Percentile £325 £313 £300
90th Percentile £638 £625 £588
UK excluding London median daily rate £425 £400 £390
% change year-on-year +6.25% +2.56% +4.00%
Number of hourly rates quoted 310 362 358
UK median hourly rate £41.50 £40.00 £40.00
Median hourly rate % change year-on-year +3.75% - +6.67%
10th Percentile £19.00 £17.78 £14.56
90th Percentile £60.00 £52.45 £51.80
UK excluding London median hourly rate £41.53 £40.00 £39.60
% change year-on-year +3.83% +1.01% +5.60%

YAML
Job Vacancy Trend

Job postings citing YAML as a percentage of all IT jobs advertised.

Job vacancy trend for YAML in the UK

YAML
Contractor Daily Rate Trend

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

Contractor daily rate trend for YAML in the UK

YAML
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing YAML over the 6 months to 16 December 2018.

Contractor daily rate histogram for YAML in the UK

YAML
Top 13 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing YAML within the UK over the 6 months to 16 December 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +71 137 £500 -2.44% 27
UK excluding London +46 88 £500 +16.22% 19
London +33 50 £500 -9.09% 9
North of England +10 30 £525 +5.00% 8
Midlands - 27 £470 - 1
West Midlands - 27 £470 - 1
North West +1 16 £550 +10.00% 3
South East -20 13 £650 +71.05% 4
North East - 12 £500 - 3
East of England +6 10 £475 +35.71% 3
South West - 9 £550 - 2
Yorkshire - 2 £450 - 2
Wales - 2 £441 -

For the 6 months to 16 December 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 with a requirement for YAML.

1 83 (59.71%) Python
2 81 (58.27%) Linux
3 77 (55.40%) Git (software)
4 76 (54.68%) Ansible
4 76 (54.68%) DevOps
5 68 (48.92%) Jenkins
6 67 (48.20%) Ruby
7 64 (46.04%) Docker
8 56 (40.29%) Agile Software Development
9 49 (35.25%) Continuous Integration
10 47 (33.81%) Test Automation
11 46 (33.09%) Amazon AWS
12 44 (31.65%) JIRA
13 43 (30.94%) JSON
13 43 (30.94%) Bash Shell
13 43 (30.94%) Confluence
14 41 (29.50%) Puppet
15 40 (28.78%) XML
16 37 (26.62%) Scrum
17 35 (25.18%) REST
18 34 (24.46%) Windows
19 33 (23.74%) Oracle
19 33 (23.74%) Configuration Management
19 33 (23.74%) Splunk
19 33 (23.74%) GitLab
20 32 (23.02%) Perl
21 31 (22.30%) Maven
21 31 (22.30%) Microservices
21 31 (22.30%) Sonatype Nexus
22 28 (20.14%) MongoDB

YAML
Co-occurring IT Skills 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 43 (30.94%) Confluence
2 13 (9.35%) Oracle SOA Suite
3 4 (2.88%) Tomcat
4 3 (2.16%) Apache
4 3 (2.16%) Apache Qpid
5 2 (1.44%) JBoss
6 1 (0.72%) Drupal
6 1 (0.72%) Elasticsearch
6 1 (0.72%) IIS
6 1 (0.72%) nginx
6 1 (0.72%) WordPress
Cloud Services
1 46 (33.09%) Amazon AWS
2 21 (15.11%) GitHub
3 19 (13.67%) Cloud Computing
4 16 (11.51%) AWS CloudFormation
5 14 (10.07%) Google Analytics
5 14 (10.07%) Serverless
6 13 (9.35%) Microsoft Azure
7 12 (8.63%) Apigee
7 12 (8.63%) Slack
8 11 (7.91%) OpenShift
9 9 (6.47%) AWS Lambda
10 8 (5.76%) Amazon EC2
10 8 (5.76%) Amazon S3
11 6 (4.32%) Amazon CloudWatch
11 6 (4.32%) AWS CloudTrail
12 5 (3.60%) Amazon ELB
12 5 (3.60%) Amazon SQS
12 5 (3.60%) Virtual Private Cloud
13 4 (2.88%) Amazon EMR
13 4 (2.88%) PaaS
Communications & Networking
1 16 (11.51%) Firewall
2 13 (9.35%) VLAN
3 11 (7.91%) Skype
4 10 (7.19%) DSL
5 6 (4.32%) HTTP
6 5 (3.60%) SSL
7 4 (2.88%) Junos
7 4 (2.88%) VPN
8 3 (2.16%) DNS
8 3 (2.16%) TCP/IP
9 2 (1.44%) DHCP
9 2 (1.44%) Internet
10 1 (0.72%) FTP
10 1 (0.72%) IMAP
10 1 (0.72%) NGN
10 1 (0.72%) SMTP
Database & Business Intelligence
1 28 (20.14%) MongoDB
2 22 (15.83%) Oracle Database
3 13 (9.35%) SQL Server
4 12 (8.63%) PostgreSQL
5 10 (7.19%) MySQL
6 9 (6.47%) Oracle Database 11g
7 8 (5.76%) NoSQL
8 7 (5.04%) Amazon RDS
8 7 (5.04%) Apache Cassandra
9 4 (2.88%) Redis
10 3 (2.16%) Amazon Redshift
10 3 (2.16%) DB2
10 3 (2.16%) DB2 UDB
10 3 (2.16%) NuoDB
11 2 (1.44%) Electronic Patient Records
12 1 (0.72%) Big Data
12 1 (0.72%) Riak
12 1 (0.72%) Sqoop
Development Applications
1 77 (55.40%) Git (software)
2 68 (48.92%) Jenkins
3 44 (31.65%) JIRA
4 33 (23.74%) GitLab
5 31 (22.30%) Maven
5 31 (22.30%) Sonatype Nexus
6 27 (19.42%) Artifactory
7 26 (18.71%) Cucumber
8 24 (17.27%) Selenium
9 19 (13.67%) Visual Studio Code
10 14 (10.07%) Gatling
10 14 (10.07%) gulp
10 14 (10.07%) IntelliJ
10 14 (10.07%) Sublime Text
10 14 (10.07%) WebDriver
11 9 (6.47%) JUnit
11 9 (6.47%) SonarQube
12 8 (5.76%) Bitbucket
12 8 (5.76%) Vagrant
13 6 (4.32%) Geb
General
1 14 (10.07%) Finance
2 6 (4.32%) Banking
3 3 (2.16%) Manufacturing
3 3 (2.16%) Pharmaceutical
4 2 (1.44%) Advertising
4 2 (1.44%) Retail Banking
5 1 (0.72%) Investment Banking
5 1 (0.72%) Spanish Language
Job Titles
1 45 (32.37%) DevOps Engineer
2 35 (25.18%) Developer
3 13 (9.35%) Scala Developer
4 11 (7.91%) AWS Engineer
5 10 (7.19%) Java Developer
6 9 (6.47%) Architect
6 9 (6.47%) AWS DevOps
6 9 (6.47%) AWS DevOps Engineer
7 6 (4.32%) Consultant
8 5 (3.60%) Automation Consultant
8 5 (3.60%) DevOps Specialist
8 5 (3.60%) Network Consultant
9 4 (2.88%) Analyst
9 4 (2.88%) Automation Engineer
9 4 (2.88%) Cloud Specialist
9 4 (2.88%) Kubernetes Engineer
9 4 (2.88%) Kubernetes Specialist
9 4 (2.88%) Python Developer
9 4 (2.88%) Solutions Architect
10 3 (2.16%) Linux Engineer
Libraries, Frameworks & Software Standards
1 43 (30.94%) JSON
2 40 (28.78%) XML
3 35 (25.18%) REST
4 26 (18.71%) HTML
5 20 (14.39%) Node.js
5 20 (14.39%) Web Services
6 19 (13.67%) Elastic Stack
7 18 (12.95%) HTML5
7 18 (12.95%) Sass
8 15 (10.79%) .NET
8 15 (10.79%) CSS
8 15 (10.79%) Swagger
9 14 (10.07%) Gherkin
9 14 (10.07%) LESS
9 14 (10.07%) Play Framework
10 11 (7.91%) RAML
11 9 (6.47%) Apache Camel
11 9 (6.47%) SOAP
11 9 (6.47%) Spring
11 9 (6.47%) Spring Cloud
Miscellaneous
1 26 (18.71%) Hybrid Cloud
2 15 (10.79%) User Experience
3 6 (4.32%) Analytical Skills
4 3 (2.16%) Linux Command Line
5 2 (1.44%) Fintech
5 2 (1.44%) Greenfield Project
5 2 (1.44%) Self-Motivation
6 1 (0.72%) FMCG
6 1 (0.72%) Management Information System
6 1 (0.72%) Mobile Banking
6 1 (0.72%) RIA
Operating Systems
1 81 (58.27%) Linux
2 34 (24.46%) Windows
3 14 (10.07%) Unix
4 13 (9.35%) Red Hat Enterprise Linux
5 11 (7.91%) Mac OS
6 8 (5.76%) Ubuntu
7 1 (0.72%) Amazon Linux
7 1 (0.72%) CentOS
7 1 (0.72%) VMS
Processes & Methodologies
1 76 (54.68%) DevOps
2 56 (40.29%) Agile Software Development
3 49 (35.25%) Continuous Integration
4 47 (33.81%) Test Automation
5 37 (26.62%) Scrum
6 33 (23.74%) Configuration Management
7 31 (22.30%) Microservices
8 28 (20.14%) TDD
9 27 (19.42%) Problem-Solving
10 22 (15.83%) Deployment Automation
11 21 (15.11%) Open Source
12 20 (14.39%) Performance Monitoring
12 20 (14.39%) SOA
13 18 (12.95%) Kanban
14 17 (12.23%) Analytics
15 16 (11.51%) Migration
16 15 (10.79%) Application Performance Monitoring
16 15 (10.79%) BDD
16 15 (10.79%) Change Management
16 15 (10.79%) Pair Programming
Programming Languages
1 83 (59.71%) Python
2 67 (48.20%) Ruby
3 43 (30.94%) Bash Shell
4 32 (23.02%) Perl
5 28 (20.14%) JavaScript
6 27 (19.42%) Java
7 23 (16.55%) Groovy
8 21 (15.11%) SQL
9 14 (10.07%) Scala
10 13 (9.35%) Shell Script
11 12 (8.63%) Go
12 4 (2.88%) PowerShell
13 2 (1.44%) C#
13 2 (1.44%) Korn
13 2 (1.44%) PHP
13 2 (1.44%) VBScript
Qualifications
1 8 (5.76%) AWS Certification
2 6 (4.32%) Security Cleared
3 4 (2.88%) BPSS Clearance
3 4 (2.88%) Degree
3 4 (2.88%) SC Cleared
4 2 (1.44%) DBS Check
4 2 (1.44%) ITIL Certification
5 1 (0.72%) ITIL Foundation Certificate
5 1 (0.72%) Master's Degree
Quality Assurance & Compliance
1 19 (13.67%) QA
2 2 (1.44%) Disclosure Scotland
3 1 (0.72%) ISO 13485
3 1 (0.72%) PSD2
3 1 (0.72%) SLA
System Software
1 64 (46.04%) Docker
2 5 (3.60%) Virtual Machines
3 4 (2.88%) Active Directory
3 4 (2.88%) VirtualBox
4 3 (2.16%) Apache ZooKeeper
5 1 (0.72%) Apache Flume
5 1 (0.72%) HDFS
5 1 (0.72%) Terminal Server
5 1 (0.72%) VMware Infrastructure
Systems Management
1 76 (54.68%) Ansible
2 41 (29.50%) Puppet
3 20 (14.39%) Docker Swarm
3 20 (14.39%) Kibana
3 20 (14.39%) Terraform
4 17 (12.23%) Grafana
4 17 (12.23%) Kubernetes
5 16 (11.51%) Nagios
5 16 (11.51%) ZABBIX
6 14 (10.07%) Graphite
7 13 (9.35%) Opscode Chef
8 8 (5.76%) Prometheus
9 5 (3.60%) logstash
9 5 (3.60%) Salt
10 4 (2.88%) Packer
Vendors
1 33 (23.74%) Oracle
1 33 (23.74%) Splunk
2 16 (11.51%) Riverbed
3 14 (10.07%) Google
4 10 (7.19%) Red Hat
5 8 (5.76%) AppDynamics
6 7 (5.04%) IBM
7 6 (4.32%) Atlassian
7 6 (4.32%) Cisco
7 6 (4.32%) Juniper
8 4 (2.88%) SAP
9 3 (2.16%) CA
9 3 (2.16%) Microsoft
9 3 (2.16%) Veracode
10 2 (1.44%) Dynatrace
10 2 (1.44%) MuleSoft
10 2 (1.44%) VMware
10 2 (1.44%) WSO2
11 1 (0.72%) Aruba
11 1 (0.72%) Axway