Period
to 8 December 2021

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 8 December 2021 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
8 Dec 2021
Same period 2020 Same period 2019
Rank 530 477 714
Rank change year-on-year -53 +237 +63
Contract jobs citing YAML 328 107 82
As % of all contract jobs advertised in the UK 0.37% 0.28% 0.10%
As % of the Libraries, Frameworks & Software Standards category 1.24% 0.92% 0.34%
Number of daily rates quoted 225 71 50
10th Percentile £425 £405 £356
25th Percentile £475 £463 £471
Median daily rate (50th Percentile) £563 £525 £550
Median % change year-on-year +7.14% -4.55% +10.11%
75th Percentile £644 £663 £634
90th Percentile £713 £750 £694
UK excluding London median daily rate £540 £485 £500
% change year-on-year +11.34% -3.00% +0.10%
Number of hourly rates quoted 1 0 0
Median hourly rate £55.00 - -
UK excluding London median hourly rate £55.00 - -

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 26,438 11,581 24,463
As % of all contract IT jobs advertised in the UK 29.49% 30.66% 30.46%
Number of daily rates quoted 19,185 8,248 17,157
10th Percentile £375 £313 £331
25th Percentile £450 £400 £406
Median daily rate (50th Percentile) £528 £491 £495
Median % change year-on-year +7.65% -0.91% +4.21%
75th Percentile £638 £588 £575
90th Percentile £713 £668 £650
UK excluding London median daily rate £475 £429 £440
% change year-on-year +10.72% -2.50% +3.53%
Number of hourly rates quoted 270 116 245
10th Percentile £20.00 £25.08 £18.00
25th Percentile £35.00 £34.50 £27.50
Median hourly rate £49.00 £45.00 £44.50
Median % change year-on-year +8.89% +1.12% +7.19%
75th Percentile £63.25 £55.00 £53.00
90th Percentile £76.34 £62.64 £78.25
UK excluding London median hourly rate £49.00 £45.50 £42.50
% change year-on-year +7.69% +7.06% +2.34%

YAML
Job Vacancy Trend

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

Job vacancy trend for YAML in the UK

YAML
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing YAML.

Daily rate trend for YAML in the UK

YAML
Daily Rate Histogram

Daily rate distribution for jobs citing YAML over the 6 months to 8 December 2021.

Daily rate histogram for YAML in the UK

YAML
Top 15 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 8 December 2021. 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 -69 242 £575 +12.75% 46
London -108 143 £600 +9.09% 27
Work from Home -94 141 £540 +0.93% 9
UK excluding London -92 84 £540 +11.34% 27
North of England -62 27 £525 +5.00% 8
South East -56 26 £563 +25.00% 3
North West -44 20 £525 +5.00% 5
South West - 15 £525 - 3
Midlands -77 7 £536 +57.72% 2
West Midlands -71 5 £564 +25.28% 2
Yorkshire - 5 £708 - 1
Scotland - 5 £415 - 9
North East -9 4 £525 +7.47% 2
East of England -48 2 £575 -8.00% 2
Wales - 2 £575 -

For the 6 months to 8 December 2021, 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.

1 260 (79.27%) DevOps
2 200 (60.98%) Azure
3 141 (42.99%) Terraform
4 133 (40.55%) Kubernetes
5 122 (37.20%) Python
6 121 (36.89%) PowerShell
7 119 (36.28%) Jenkins
8 117 (35.67%) Linux
9 110 (33.54%) Ansible
10 108 (32.93%) Agile Software Development
11 101 (30.79%) Git (software)
12 99 (30.18%) AWS
13 88 (26.83%) Windows
14 84 (25.61%) SQL
14 84 (25.61%) JSON
15 81 (24.70%) Docker
16 76 (23.17%) Infrastructure as Code
17 75 (22.87%) Bash Shell
18 69 (21.04%) GitHub
19 68 (20.73%) Java
20 50 (15.24%) Microsoft
20 50 (15.24%) Social Skills
21 48 (14.63%) Test Automation
22 47 (14.33%) PaaS
23 46 (14.02%) JIRA
24 45 (13.72%) Shell Script
24 45 (13.72%) IaaS
25 44 (13.41%) Azure Pipelines
26 42 (12.80%) Serverless
27 40 (12.20%) Node.js

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 22 (6.71%) Confluence
2 12 (3.66%) Apache
2 12 (3.66%) Elasticsearch
2 12 (3.66%) nginx
3 11 (3.35%) Apache Spark
4 9 (2.74%) Tomcat
5 8 (2.44%) OpenStack
6 6 (1.83%) CMS
6 6 (1.83%) Headless CMS
7 4 (1.22%) Magnolia
7 4 (1.22%) Mattermost
8 3 (0.91%) Apache Airflow
8 3 (0.91%) Documentum
8 3 (0.91%) Luigi
8 3 (0.91%) SharePoint
9 2 (0.61%) Anypoint
9 2 (0.61%) IBM Notes
9 2 (0.61%) Liferay
9 2 (0.61%) Mule
9 2 (0.61%) Oracle SOA Suite
Applications
1 1 (0.30%) Microsoft Excel
1 1 (0.30%) Microsoft Office
Cloud Services
1 200 (60.98%) Azure
2 99 (30.18%) AWS
3 69 (21.04%) GitHub
4 47 (14.33%) PaaS
5 45 (13.72%) IaaS
6 44 (13.41%) Azure Pipelines
7 42 (12.80%) Serverless
8 31 (9.45%) GCP
9 29 (8.84%) AWS Lambda
9 29 (8.84%) Azure Data Factory
9 29 (8.84%) OpenShift
10 27 (8.23%) AWS CloudFormation
11 23 (7.01%) Azure Active Directory
12 22 (6.71%) Azure App Service
12 22 (6.71%) SaaS
13 15 (4.57%) Azure Cosmos DB
13 15 (4.57%) Azure Event Grid
14 13 (3.96%) Amazon EKS
15 12 (3.66%) Azure Sentinel
16 11 (3.35%) Amazon ECS
Communications & Networking
1 19 (5.79%) DNS
2 17 (5.18%) Network Security
3 15 (4.57%) VLAN
4 13 (3.96%) SSL
5 11 (3.35%) Internet
6 10 (3.05%) WAN
7 9 (2.74%) Firewall
8 5 (1.52%) HTTP
9 4 (1.22%) Kerberos
10 3 (0.91%) 3GPP
10 3 (0.91%) FTP
10 3 (0.91%) SGSN
10 3 (0.91%) Software-Defined Networking
11 1 (0.30%) Extranet
11 1 (0.30%) HTTPS
11 1 (0.30%) MPLS
11 1 (0.30%) VoIP
11 1 (0.30%) VXLAN
Database & Business Intelligence
1 34 (10.37%) Big Data
2 20 (6.10%) MySQL
3 17 (5.18%) Relational Database
3 17 (5.18%) SQL Server
4 16 (4.88%) HDInsight
5 14 (4.27%) NoSQL
6 11 (3.35%) MongoDB
7 10 (3.05%) Hadoop
8 9 (2.74%) Azure SQL Database
8 9 (2.74%) Data Warehouse
8 9 (2.74%) PostgreSQL
9 7 (2.13%) Amazon DynamoDB
9 7 (2.13%) Apache Hive
9 7 (2.13%) HBase
10 6 (1.83%) Power BI
10 6 (1.83%) SQL Server Integration Services
11 5 (1.52%) Oracle Database
11 5 (1.52%) Tableau
12 4 (1.22%) Amazon RDS
12 4 (1.22%) Data Vault
Development Applications
1 119 (36.28%) Jenkins
2 101 (30.79%) Git (software)
3 46 (14.02%) JIRA
4 36 (10.98%) GitLab
5 31 (9.45%) SonarQube
6 29 (8.84%) Maven
7 27 (8.23%) Bitbucket
8 22 (6.71%) Selenium
9 21 (6.40%) Sonatype Nexus
10 19 (5.79%) JUnit
11 14 (4.27%) Artifactory
12 10 (3.05%) Gradle
12 10 (3.05%) Visual Studio
13 9 (2.74%) IBM UrbanCode
14 7 (2.13%) Cucumber
15 6 (1.83%) CircleCI
15 6 (1.83%) Cypress.io
15 6 (1.83%) Mockito
15 6 (1.83%) TeamCity
16 5 (1.52%) ESLint
General
1 50 (15.24%) Social Skills
2 40 (12.20%) Finance
3 12 (3.66%) Banking
3 12 (3.66%) Public Sector
4 8 (2.44%) Documentation Skills
5 3 (0.91%) Electronics
5 3 (0.91%) Financial Institution
5 3 (0.91%) Telecoms
6 2 (0.61%) Advertising
6 2 (0.61%) Analytical Skills
6 2 (0.61%) Law
6 2 (0.61%) Organisational Skills
6 2 (0.61%) Presentation Skills
6 2 (0.61%) Retail
7 1 (0.30%) Music Industry
Job Titles
1 148 (45.12%) DevOps Engineer
2 63 (19.21%) Azure DevOps
2 63 (19.21%) Azure Engineer
3 50 (15.24%) Developer
4 47 (14.33%) Azure DevOps Engineer
5 26 (7.93%) Cloud Engineer
6 23 (7.01%) Platform Engineer
7 20 (6.10%) Consultant
7 20 (6.10%) Kubernetes Engineer
8 17 (5.18%) AWS Engineer
9 16 (4.88%) Architect
10 15 (4.57%) DevOps Consultant
10 15 (4.57%) Java Developer
11 14 (4.27%) Azure Consultant
12 13 (3.96%) AWS DevOps
12 13 (3.96%) AWS DevOps Engineer
13 11 (3.35%) Data Engineer
14 9 (2.74%) Automation Engineer
14 9 (2.74%) Designer
15 8 (2.44%) Azure Developer
Libraries, Frameworks & Software Standards
1 84 (25.61%) JSON
2 40 (12.20%) Node.js
3 32 (9.76%) REST
3 32 (9.76%) Web Services
3 32 (9.76%) XML
4 27 (8.23%) SOAP
5 22 (6.71%) ARM Templates
5 22 (6.71%) Kafka
6 20 (6.10%) Spring
7 19 (5.79%) .NET
8 16 (4.88%) JDBC
9 15 (4.57%) React
10 12 (3.66%) HTML
10 12 (3.66%) Swagger
11 11 (3.35%) Apache Camel
11 11 (3.35%) Entity Framework
11 11 (3.35%) Jest
11 11 (3.35%) RESTful
12 9 (2.74%) CSS
13 8 (2.44%) Spring Boot
Miscellaneous
1 22 (6.71%) Linux Command Line
2 17 (5.18%) Wiki
3 16 (4.88%) Data Centre
4 15 (4.57%) Public Cloud
5 13 (3.96%) Self-Motivation
6 12 (3.66%) Data Protection Act
6 12 (3.66%) Enterprise Software
7 9 (2.74%) Greenfield Project
7 9 (2.74%) Private Cloud
8 6 (1.83%) Cloud Native
9 5 (1.52%) iPad
10 4 (1.22%) Data Structures
10 4 (1.22%) Mainframe
10 4 (1.22%) User Experience
11 3 (0.91%) Blog
11 3 (0.91%) Derivative
11 3 (0.91%) Hybrid Cloud
11 3 (0.91%) Industry 4.0
11 3 (0.91%) Internet of Things
12 2 (0.61%) Video Conferencing
Operating Systems
1 117 (35.67%) Linux
2 88 (26.83%) Windows
3 31 (9.45%) Windows Server
4 14 (4.27%) Red Hat Enterprise Linux
5 13 (3.96%) VMS
6 8 (2.44%) CoreOS
7 6 (1.83%) CentOS
8 3 (0.91%) Ubuntu
8 3 (0.91%) Unix
9 2 (0.61%) zOS
Processes & Methodologies
1 260 (79.27%) DevOps
2 108 (32.93%) Agile Software Development
3 76 (23.17%) Infrastructure as Code
4 48 (14.63%) Test Automation
5 38 (11.59%) Continuous Integration
6 33 (10.06%) Problem-Solving
7 32 (9.76%) Microservices
7 32 (9.76%) Scrum
8 27 (8.23%) Analytics
9 24 (7.32%) Mentoring
9 24 (7.32%) Runbook
9 24 (7.32%) Site Reliability Engineering
10 22 (6.71%) BDD
11 21 (6.40%) Infrastructure Automation
11 21 (6.40%) TDD
12 20 (6.10%) Open Source
13 19 (5.79%) E-Commerce
14 18 (5.49%) DevSecOps
15 17 (5.18%) Configuration Management
16 16 (4.88%) Migration
Programming Languages
1 122 (37.20%) Python
2 121 (36.89%) PowerShell
3 84 (25.61%) SQL
4 75 (22.87%) Bash Shell
5 68 (20.73%) Java
6 45 (13.72%) Shell Script
7 37 (11.28%) JavaScript
8 28 (8.54%) C#
9 24 (7.32%) Groovy
10 15 (4.57%) Java 8
11 13 (3.96%) Java 11
11 13 (3.96%) Ruby
12 12 (3.66%) TypeScript
13 7 (2.13%) T-SQL
14 6 (1.83%) ES6
15 5 (1.52%) REXX
16 4 (1.22%) C
16 4 (1.22%) Scala
17 3 (0.91%) Perl
18 2 (0.61%) C++
Qualifications
1 24 (7.32%) Security Cleared
2 18 (5.49%) SC Cleared
3 10 (3.05%) AWS Certification
4 8 (2.44%) BPSS Clearance
5 3 (0.91%) Degree
6 1 (0.30%) DBS Check
6 1 (0.30%) ISTQB
6 1 (0.30%) ISTQB Foundation Certification
6 1 (0.30%) Microsoft Certification
Quality Assurance & Compliance
1 15 (4.57%) QA
2 5 (1.52%) Accessibility
3 3 (0.91%) NCSC
3 3 (0.91%) OASIS TOSCA
4 2 (0.61%) Disclosure Scotland
5 1 (0.30%) SLA
System Software
1 81 (24.70%) Docker
2 31 (9.45%) Active Directory
3 16 (4.88%) Virtual Machines
4 9 (2.74%) VMware ESXi
5 8 (2.44%) vSphere
6 7 (2.13%) HDFS
6 7 (2.13%) KVM
7 5 (1.52%) VMware Infrastructure
8 4 (1.22%) Citrix Hypervisor
8 4 (1.22%) Hyper-V
8 4 (1.22%) vCloud
9 3 (0.91%) LXC
10 2 (0.61%) Virtual Desktop
11 1 (0.30%) zsh
Systems Management
1 141 (42.99%) Terraform
2 133 (40.55%) Kubernetes
3 110 (33.54%) Ansible
4 25 (7.62%) Puppet
5 19 (5.79%) Opscode Chef
6 15 (4.57%) Nagios
7 14 (4.27%) Grafana
8 9 (2.74%) ZABBIX
9 8 (2.44%) Kibana
9 8 (2.44%) Prometheus
10 6 (1.83%) Docker Swarm
10 6 (1.83%) Graylog
11 5 (1.52%) Ambari
12 4 (1.22%) Marathon
12 4 (1.22%) Mesos
12 4 (1.22%) Packer
12 4 (1.22%) vCenter Server
12 4 (1.22%) vRealize
12 4 (1.22%) vRealize Orchestrator
12 4 (1.22%) WMI
Vendors
1 50 (15.24%) Microsoft
2 30 (9.15%) Databricks
3 27 (8.23%) VMware
4 24 (7.32%) Oracle
5 19 (5.79%) Red Hat
6 12 (3.66%) Google
7 11 (3.35%) Cisco
8 10 (3.05%) NetApp
8 10 (3.05%) SAP
9 8 (2.44%) F5
10 7 (2.13%) Informatica
10 7 (2.13%) SolarWinds
10 7 (2.13%) Splunk
11 6 (1.83%) Dynatrace
12 5 (1.52%) Atlassian
12 5 (1.52%) Juniper
12 5 (1.52%) MuleSoft
12 5 (1.52%) New Relic
13 4 (1.22%) Citrix
13 4 (1.22%) CyberArk