Period
to 13 December 2018

The following table provides summary statistics for contract job vacancies advertised in 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 13 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
England > London
6 months to
13 Dec 2018
Same period 2017 Same period 2016
Rank 584 618 612
Rank change year-on-year +34 -6 -11
Contract jobs citing YAML 49 31 9
As % of all contract IT jobs advertised in London 0.10% 0.065% 0.020%
As % of the Libraries, Frameworks & Software Standards category 0.27% 0.18% 0.058%
Number of daily rates quoted 31 18 5
London median daily rate £500 £550 £475
Median daily rate % change year-on-year -9.09% +15.79% -1.30%
10th Percentile £425 £475 £338
90th Percentile £600 £638 £554
England median daily rate £500 £513 £463
% change year-on-year -2.44% +10.81% -5.13%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England 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 London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 18,416 17,566 15,419
As % of all contract IT jobs advertised in London 39.10% 36.99% 34.72%
Number of daily rates quoted 13,925 13,460 11,485
London median daily rate £525 £500 £470
Median daily rate % change year-on-year +5.00% +6.38% +4.44%
10th Percentile £373 £350 £320
90th Percentile £675 £650 £625
England median daily rate £476 £468 £425
% change year-on-year +1.82% +10.00% +2.41%
Number of hourly rates quoted 84 100 71
London median hourly rate £38.44 £30.19 £40.00
Median hourly rate % change year-on-year +27.34% -24.54% +14.29%
10th Percentile £21.31 £19.00 £19.23
90th Percentile £61.68 £47.83 £57.50
England median hourly rate £41.50 £40.00 £39.60
% change year-on-year +3.75% +1.01% +5.60%

YAML
Job Vacancy Trend in London

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

Job vacancy trend for YAML in London

YAML
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for YAML in London

YAML
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing YAML in London over the 6 months to 13 December 2018.

Contractor daily rate histogram for YAML in London

YAML
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing YAML within the London region over the 6 months to 13 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
Central London -14 11 £500 -2.44% 1
South London - 6 £490 - 4
YAML
England

For the 6 months to 13 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 across the London region with a requirement for YAML.

1 34 (69.39%) Python
2 27 (55.10%) Linux
2 27 (55.10%) Ansible
3 25 (51.02%) JSON
4 20 (40.82%) DevOps
5 19 (38.78%) Ruby
6 18 (36.73%) Git (software)
6 18 (36.73%) Jenkins
7 16 (32.65%) XML
8 15 (30.61%) Open Source
9 13 (26.53%) Test Automation
9 13 (26.53%) Continuous Integration
9 13 (26.53%) Agile Software Development
10 12 (24.49%) Web Services
11 11 (22.45%) Docker
12 10 (20.41%) Microsoft Azure
12 10 (20.41%) Amazon AWS
12 10 (20.41%) REST
12 10 (20.41%) Splunk
12 10 (20.41%) Java
12 10 (20.41%) Unix
13 9 (18.37%) Terraform
14 8 (16.33%) GitLab
14 8 (16.33%) MongoDB
14 8 (16.33%) Cucumber
14 8 (16.33%) BDD
14 8 (16.33%) Bash Shell
14 8 (16.33%) Perl
14 8 (16.33%) .NET
14 8 (16.33%) TDD

YAML
Co-occurring IT Skills in 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 3 (6.12%) Confluence
2 2 (4.08%) Apache Qpid
2 2 (4.08%) SharePoint
3 1 (2.04%) Apache
3 1 (2.04%) Elasticsearch
3 1 (2.04%) nginx
Cloud Services
1 10 (20.41%) Amazon AWS
1 10 (20.41%) Microsoft Azure
2 7 (14.29%) AWS CloudFormation
3 5 (10.20%) Apigee
3 5 (10.20%) GitHub
4 2 (4.08%) AWS Lambda
4 2 (4.08%) Office 365
4 2 (4.08%) OpenShift
4 2 (4.08%) Serverless
5 1 (2.04%) Azure Active Directory
5 1 (2.04%) npm
5 1 (2.04%) NuGet
5 1 (2.04%) Route 53
5 1 (2.04%) Sauce Labs
Communications & Networking
1 4 (8.16%) Junos
1 4 (8.16%) SSL
2 2 (4.08%) HTTP
3 1 (2.04%) DNS
3 1 (2.04%) Firewall
3 1 (2.04%) FTP
3 1 (2.04%) IMAP
3 1 (2.04%) Internet
3 1 (2.04%) NGN
3 1 (2.04%) SMTP
3 1 (2.04%) TCP/IP
Database & Business Intelligence
1 8 (16.33%) MongoDB
2 5 (10.20%) PostgreSQL
3 3 (6.12%) MySQL
3 3 (6.12%) SQL Server
4 2 (4.08%) Apache Cassandra
4 2 (4.08%) NoSQL
Development Applications
1 18 (36.73%) Git (software)
1 18 (36.73%) Jenkins
2 8 (16.33%) Cucumber
2 8 (16.33%) GitLab
3 7 (14.29%) Vagrant
4 6 (12.24%) Selenium
5 5 (10.20%) FitNesse
5 5 (10.20%) Geb
5 5 (10.20%) HP UFT
5 5 (10.20%) Maven
5 5 (10.20%) Sahi
5 5 (10.20%) WATIR
6 4 (8.16%) JIRA
6 4 (8.16%) Robot Framework
7 2 (4.08%) Gerrit
8 1 (2.04%) Bitbucket
8 1 (2.04%) SonarQube
8 1 (2.04%) Sonatype Nexus
8 1 (2.04%) Visual Studio Code
8 1 (2.04%) WebStorm
General
1 7 (14.29%) Finance
2 4 (8.16%) Banking
3 3 (6.12%) Manufacturing
4 2 (4.08%) Advertising
5 1 (2.04%) Investment Banking
5 1 (2.04%) Retail Banking
Job Titles
1 13 (26.53%) DevOps Engineer
2 6 (12.24%) Developer
3 5 (10.20%) Automation Consultant
3 5 (10.20%) Consultant
3 5 (10.20%) Network Consultant
4 4 (8.16%) Analyst
4 4 (8.16%) Kubernetes Engineer
5 2 (4.08%) Architect
5 2 (4.08%) Automation Engineer
5 2 (4.08%) AWS DevOps
5 2 (4.08%) AWS DevOps Engineer
5 2 (4.08%) AWS Engineer
5 2 (4.08%) Data Engineer
5 2 (4.08%) Python Developer
5 2 (4.08%) QA Tester
5 2 (4.08%) Release Engineer
5 2 (4.08%) Splunk Engineer
5 2 (4.08%) Technical Leader
5 2 (4.08%) Test Analyst
5 2 (4.08%) Tester
Libraries, Frameworks & Software Standards
1 25 (51.02%) JSON
2 16 (32.65%) XML
3 12 (24.49%) Web Services
4 10 (20.41%) REST
5 8 (16.33%) .NET
6 5 (10.20%) Django
6 5 (10.20%) Jinja
7 4 (8.16%) Kafka
7 4 (8.16%) Node.js
7 4 (8.16%) OAuth
7 4 (8.16%) Swagger
8 3 (6.12%) HTML
8 3 (6.12%) OAuth2
8 3 (6.12%) React
8 3 (6.12%) SOAP
9 2 (4.08%) .NET Core
9 2 (4.08%) AngularJS
9 2 (4.08%) Elastic Stack
9 2 (4.08%) RAML
9 2 (4.08%) Twitter Bootstrap
Miscellaneous
1 5 (10.20%) Analytical Skills
2 2 (4.08%) Taxonomies
2 2 (4.08%) User Experience
3 1 (2.04%) FMCG
3 1 (2.04%) Management Information System
3 1 (2.04%) Mobile Banking
Operating Systems
1 27 (55.10%) Linux
2 10 (20.41%) Unix
3 4 (8.16%) Red Hat Enterprise Linux
3 4 (8.16%) Ubuntu
3 4 (8.16%) Windows
4 1 (2.04%) CentOS
Processes & Methodologies
1 20 (40.82%) DevOps
2 15 (30.61%) Open Source
3 13 (26.53%) Agile Software Development
3 13 (26.53%) Continuous Integration
3 13 (26.53%) Test Automation
4 8 (16.33%) BDD
4 8 (16.33%) TDD
5 7 (14.29%) Configuration Management
6 6 (12.24%) Dashboard Development
6 6 (12.24%) Microservices
6 6 (12.24%) Visualisation
7 4 (8.16%) Break/Fix
7 4 (8.16%) Incident Management
7 4 (8.16%) Problem Management
7 4 (8.16%) Problem-Solving
7 4 (8.16%) Technical Analysis
7 4 (8.16%) Workflow
8 3 (6.12%) Information Security
8 3 (6.12%) Migration
8 3 (6.12%) Scrum
Programming Languages
1 34 (69.39%) Python
2 19 (38.78%) Ruby
3 10 (20.41%) Java
4 8 (16.33%) Bash Shell
4 8 (16.33%) Perl
5 7 (14.29%) Go
6 6 (12.24%) Groovy
6 6 (12.24%) JavaScript
6 6 (12.24%) Shell Script
7 5 (10.20%) SQL
8 2 (4.08%) C#
8 2 (4.08%) PowerShell
9 1 (2.04%) PHP
Qualifications
1 4 (8.16%) Security Cleared
2 3 (6.12%) SC Cleared
3 2 (4.08%) AWS Certification
4 1 (2.04%) Degree
4 1 (2.04%) ITIL Foundation Certificate
4 1 (2.04%) Master's Degree
Quality Assurance & Compliance
1 6 (12.24%) QA
2 1 (2.04%) PSD2
System Software
1 11 (22.45%) Docker
2 4 (8.16%) VirtualBox
3 2 (4.08%) Apache ZooKeeper
3 2 (4.08%) Virtual Machines
4 1 (2.04%) Active Directory
4 1 (2.04%) VMware Infrastructure
Systems Management
1 27 (55.10%) Ansible
2 9 (18.37%) Terraform
3 7 (14.29%) Kubernetes
3 7 (14.29%) Opscode Chef
4 6 (12.24%) Puppet
5 5 (10.20%) Kibana
5 5 (10.20%) logstash
6 4 (8.16%) Prometheus
7 3 (6.12%) Packer
8 1 (2.04%) Grafana
8 1 (2.04%) Salt
Vendors
1 10 (20.41%) Splunk
2 4 (8.16%) Cisco
2 4 (8.16%) Juniper
2 4 (8.16%) SAP
3 3 (6.12%) Atlassian
3 3 (6.12%) CA
4 2 (4.08%) Dynatrace
4 2 (4.08%) VMware
5 1 (2.04%) AppDynamics
5 1 (2.04%) Aruba
5 1 (2.04%) Hortonworks
5 1 (2.04%) IBM
5 1 (2.04%) Mashery
5 1 (2.04%) MuleSoft
5 1 (2.04%) Nintex
5 1 (2.04%) Nokia
5 1 (2.04%) SaltStack
5 1 (2.04%) ServiceNow
5 1 (2.04%) Veracode
5 1 (2.04%) WSO2