Period
to 25 October 2021

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 25 October 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
England > London
6 months to
25 Oct 2021
Same period 2020 Same period 2019
Rank 409 337 536
Rank change year-on-year -72 +199 +72
Contract jobs citing YAML 152 32 27
As % of all contract jobs advertised in London 0.42% 0.23% 0.074%
As % of the Libraries, Frameworks & Software Standards category 1.24% 0.60% 0.20%
Number of daily rates quoted 105 20 12
10th Percentile £463 £403 £414
25th Percentile £500 £462 £525
Median daily rate (50th Percentile) £550 £556 £663
Median % change year-on-year -1.12% -16.04% +29.27%
75th Percentile £650 £625 £694
90th Percentile £700 £653 £695
England median daily rate £550 £500 £510
% change year-on-year +10.00% -1.96% +2.10%

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 12,290 5,297 13,320
As % of all contract IT jobs advertised in London 34.19% 37.45% 36.53%
Number of daily rates quoted 9,261 3,929 10,036
10th Percentile £410 £360 £375
25th Percentile £475 £425 £450
Median daily rate (50th Percentile) £570 £525 £525
Median % change year-on-year +8.57% - -
75th Percentile £675 £625 £613
90th Percentile £738 £713 £691
England median daily rate £525 £500 £500
% change year-on-year +5.00% - +5.26%
Number of hourly rates quoted 51 18 68
10th Percentile £20.89 £22.50 £20.13
25th Percentile £35.00 £25.00 £36.70
Median hourly rate £49.66 £36.25 £50.00
Median % change year-on-year +36.98% -27.50% +14.61%
75th Percentile £69.31 £43.31 £53.00
90th Percentile £80.00 £51.47 £64.12
England median hourly rate £49.00 £42.00 £45.00
% change year-on-year +16.67% -6.67% +8.15%

YAML
Job Vacancy Trend in London

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

Job vacancy trend for YAML in London

YAML
Contractor Daily Rate Trend in London

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

Daily rate trend for YAML in London

YAML
Daily Rate Histogram in London

Daily rate distribution for jobs citing YAML in London over the 6 months to 25 October 2021.

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 25 October 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
Central London -53 9 £663 +6.00% 1
South London -2 4 - -
East London -12 1 £465 -31.11%
YAML
England

For the 6 months to 25 October 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 across the London region with a requirement for YAML.

1 116 (76.32%) DevOps
2 97 (63.82%) Azure
3 72 (47.37%) Agile Software Development
4 65 (42.76%) Python
5 61 (40.13%) Jenkins
6 58 (38.16%) Ansible
7 56 (36.84%) AWS
8 55 (36.18%) Terraform
9 53 (34.87%) Git (software)
10 51 (33.55%) PowerShell
10 51 (33.55%) Linux
11 46 (30.26%) Windows
12 44 (28.95%) GitHub
13 41 (26.97%) JSON
14 37 (24.34%) Docker
15 35 (23.03%) Kubernetes
16 32 (21.05%) Java
17 28 (18.42%) SQL
17 28 (18.42%) VMware
18 27 (17.76%) JIRA
18 27 (17.76%) Infrastructure as Code
19 26 (17.11%) Bash Shell
20 25 (16.45%) Finance
20 25 (16.45%) Social Skills
21 24 (15.79%) Infrastructure Automation
22 23 (15.13%) Puppet
23 22 (14.47%) Opscode Chef
23 22 (14.47%) PaaS
24 21 (13.82%) Test Automation
24 21 (13.82%) Serverless

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 15 (9.87%) Confluence
2 9 (5.92%) Apache Spark
3 6 (3.95%) Elasticsearch
4 5 (3.29%) OpenStack
5 4 (2.63%) Apache
5 4 (2.63%) CMS
5 4 (2.63%) Headless CMS
5 4 (2.63%) Magnolia
5 4 (2.63%) Mattermost
5 4 (2.63%) nginx
6 2 (1.32%) Anypoint
6 2 (1.32%) Apache Airflow
6 2 (1.32%) Documentum
6 2 (1.32%) Liferay
6 2 (1.32%) Luigi
6 2 (1.32%) Mule
6 2 (1.32%) Mule ESB
6 2 (1.32%) Oracle SOA Suite
6 2 (1.32%) Tomcat
7 1 (0.66%) SharePoint
Cloud Services
1 97 (63.82%) Azure
2 56 (36.84%) AWS
3 44 (28.95%) GitHub
4 22 (14.47%) PaaS
5 21 (13.82%) Serverless
6 20 (13.16%) AWS CloudFormation
7 19 (12.50%) AWS Lambda
7 19 (12.50%) GCP
8 17 (11.18%) IaaS
9 12 (7.89%) Virtual Private Cloud
10 10 (6.58%) Amazon EC2
11 9 (5.92%) Amazon CloudWatch
12 8 (5.26%) Amazon ELB
12 8 (5.26%) AWS Direct Connect
12 8 (5.26%) Azure Cosmos DB
12 8 (5.26%) OpenShift
13 7 (4.61%) Azure Sentinel
14 6 (3.95%) Azure Active Directory
14 6 (3.95%) Azure Functions
14 6 (3.95%) Azure Pipelines
Communications & Networking
1 5 (3.29%) DNS
2 3 (1.97%) Firewall
3 2 (1.32%) SSL
4 1 (0.66%) 3GPP
4 1 (0.66%) Extranet
4 1 (0.66%) Kerberos
4 1 (0.66%) Network Security
4 1 (0.66%) SGSN
4 1 (0.66%) Software-Defined Networking
4 1 (0.66%) VLAN
Database & Business Intelligence
1 19 (12.50%) Big Data
2 10 (6.58%) MySQL
3 8 (5.26%) Hadoop
3 8 (5.26%) PostgreSQL
3 8 (5.26%) Relational Database
4 7 (4.61%) Data Warehouse
4 7 (4.61%) NoSQL
5 6 (3.95%) Apache Hive
6 5 (3.29%) Amazon DynamoDB
6 5 (3.29%) HBase
6 5 (3.29%) SQL Server
7 4 (2.63%) Data Vault
7 4 (2.63%) Oracle Database
7 4 (2.63%) Power BI
7 4 (2.63%) SQL Server Integration Services
8 3 (1.97%) Amazon Athena
8 3 (1.97%) Amazon Aurora
8 3 (1.97%) Data Lake
8 3 (1.97%) Impala
8 3 (1.97%) Parquet
Development Applications
1 61 (40.13%) Jenkins
2 53 (34.87%) Git (software)
3 27 (17.76%) JIRA
4 18 (11.84%) GitLab
5 10 (6.58%) Bitbucket
5 10 (6.58%) Cucumber
5 10 (6.58%) Maven
6 6 (3.95%) Selenium
7 5 (3.29%) JUnit
8 4 (2.63%) CircleCI
8 4 (2.63%) SonarQube
8 4 (2.63%) Sonatype Nexus
8 4 (2.63%) TeamCity
9 3 (1.97%) FitNesse
9 3 (1.97%) JMeter
9 3 (1.97%) SpecFlow
9 3 (1.97%) Team Foundation Server
10 2 (1.32%) Atlassian Bamboo
10 2 (1.32%) Gradle
10 2 (1.32%) Visual Studio
General
1 25 (16.45%) Finance
1 25 (16.45%) Social Skills
2 3 (1.97%) Banking
2 3 (1.97%) Electronics
2 3 (1.97%) Music Industry
2 3 (1.97%) Public Sector
3 2 (1.32%) Law
3 2 (1.32%) Presentation Skills
3 2 (1.32%) Telecoms
4 1 (0.66%) Analytical Skills
4 1 (0.66%) Documentation Skills
4 1 (0.66%) Games
4 1 (0.66%) Retail
Job Titles
1 70 (46.05%) DevOps Engineer
2 31 (20.39%) Azure DevOps
3 27 (17.76%) Azure Engineer
4 24 (15.79%) Azure DevOps Engineer
4 24 (15.79%) Developer
5 17 (11.18%) Cloud Engineer
6 16 (10.53%) AWS Engineer
7 12 (7.89%) Architect
8 11 (7.24%) AWS DevOps
8 11 (7.24%) AWS DevOps Engineer
9 8 (5.26%) Data Engineer
10 7 (4.61%) Automation Engineer
10 7 (4.61%) Azure Developer
10 7 (4.61%) Infrastructure Engineer
11 6 (3.95%) Java Developer
11 6 (3.95%) Senior DevOps
12 5 (3.29%) Consultant
12 5 (3.29%) DevOps Developer
12 5 (3.29%) Senior DevOps Engineer
13 4 (2.63%) Platform Engineer
Libraries, Frameworks & Software Standards
1 41 (26.97%) JSON
2 16 (10.53%) REST
3 13 (8.55%) XML
4 12 (7.89%) ARM Templates
4 12 (7.89%) Spring
5 11 (7.24%) Web Services
6 9 (5.92%) SOAP
7 8 (5.26%) Node.js
8 6 (3.95%) JDBC
8 6 (3.95%) Spring Boot
9 5 (3.29%) .NET
9 5 (3.29%) Kafka
10 4 (2.63%) Apache Camel
10 4 (2.63%) JSR 170
10 4 (2.63%) Swagger
11 3 (1.97%) .NET Core
11 3 (1.97%) Django
11 3 (1.97%) Elastic Stack
11 3 (1.97%) Flask
11 3 (1.97%) React
Miscellaneous
1 16 (10.53%) Wiki
2 8 (5.26%) Data Centre
3 6 (3.95%) Enterprise Software
4 4 (2.63%) Private Cloud
5 3 (1.97%) Data Protection Act
5 3 (1.97%) Self-Motivation
6 2 (1.32%) Algorithms
6 2 (1.32%) Augmented Reality
6 2 (1.32%) Cloud Native
6 2 (1.32%) N-Tier
7 1 (0.66%) Data Structures
7 1 (0.66%) Derivative
7 1 (0.66%) Equities
7 1 (0.66%) Greenfield Project
7 1 (0.66%) Linux Command Line
7 1 (0.66%) PKI
7 1 (0.66%) Public Cloud
7 1 (0.66%) User Experience
Operating Systems
1 51 (33.55%) Linux
2 46 (30.26%) Windows
3 3 (1.97%) Windows Server
4 2 (1.32%) Android
4 2 (1.32%) Unix
5 1 (0.66%) Red Hat Enterprise Linux
Processes & Methodologies
1 116 (76.32%) DevOps
2 72 (47.37%) Agile Software Development
3 27 (17.76%) Infrastructure as Code
4 24 (15.79%) Infrastructure Automation
5 21 (13.82%) Microservices
5 21 (13.82%) Problem-Solving
5 21 (13.82%) Site Reliability Engineering
5 21 (13.82%) Test Automation
6 19 (12.50%) Runbook
6 19 (12.50%) Scrum
7 18 (11.84%) DevSecOps
8 16 (10.53%) Change Management
8 16 (10.53%) Customer-Centricity
8 16 (10.53%) Design Thinking
9 15 (9.87%) ITIL
10 14 (9.21%) Software Delivery
11 12 (7.89%) Service Management
12 9 (5.92%) Mentoring
12 9 (5.92%) Migration
13 8 (5.26%) Infrastructure Engineering
Programming Languages
1 65 (42.76%) Python
2 51 (33.55%) PowerShell
3 32 (21.05%) Java
4 28 (18.42%) SQL
5 26 (17.11%) Bash Shell
6 16 (10.53%) Shell Script
7 13 (8.55%) Groovy
8 11 (7.24%) JavaScript
9 8 (5.26%) C#
9 8 (5.26%) Java 8
10 5 (3.29%) Java 11
10 5 (3.29%) Ruby
11 4 (2.63%) TypeScript
12 3 (1.97%) C
13 2 (1.32%) Go
13 2 (1.32%) PL/SQL
13 2 (1.32%) Scala
14 1 (0.66%) PHP
14 1 (0.66%) T-SQL
14 1 (0.66%) VB
Qualifications
1 5 (3.29%) Degree
1 5 (3.29%) Security Cleared
2 3 (1.97%) Master's Degree
3 1 (0.66%) AWS Certification
3 1 (0.66%) BPSS Clearance
3 1 (0.66%) DBS Check
3 1 (0.66%) SC Cleared
Quality Assurance & Compliance
1 4 (2.63%) QA
2 2 (1.32%) NCSC
3 1 (0.66%) Accessibility
3 1 (0.66%) OASIS TOSCA
System Software
1 37 (24.34%) Docker
2 10 (6.58%) Active Directory
2 10 (6.58%) VMware Infrastructure
3 7 (4.61%) vSphere
4 5 (3.29%) HDFS
5 4 (2.63%) KVM
5 4 (2.63%) Virtual Machines
5 4 (2.63%) VMware ESXi
6 3 (1.97%) Citrix Hypervisor
6 3 (1.97%) Hyper-V
6 3 (1.97%) vCloud
7 1 (0.66%) LXC
Systems Management
1 58 (38.16%) Ansible
2 55 (36.18%) Terraform
3 35 (23.03%) Kubernetes
4 23 (15.13%) Puppet
5 22 (14.47%) Opscode Chef
6 7 (4.61%) Kibana
7 5 (3.29%) Ambari
8 4 (2.63%) Grafana
8 4 (2.63%) Marathon
8 4 (2.63%) Mesos
8 4 (2.63%) Prometheus
8 4 (2.63%) vCenter Server
9 3 (1.97%) Docker Swarm
9 3 (1.97%) vRealize
9 3 (1.97%) vRealize Orchestrator
10 2 (1.32%) logstash
11 1 (0.66%) Argo
11 1 (0.66%) Cloudify
11 1 (0.66%) Consul
11 1 (0.66%) Istio
Vendors
1 28 (18.42%) VMware
2 12 (7.89%) New Relic
3 11 (7.24%) Microsoft
4 9 (5.92%) Oracle
5 8 (5.26%) SolarWinds
6 7 (4.61%) Google
7 6 (3.95%) ServiceNow
8 5 (3.29%) Cisco
8 5 (3.29%) Databricks
9 4 (2.63%) Dynatrace
9 4 (2.63%) Splunk
10 3 (1.97%) Citrix
10 3 (1.97%) Informatica
10 3 (1.97%) Salesforce.com
11 2 (1.32%) Atlassian
11 2 (1.32%) IBM
11 2 (1.32%) OpenText
11 2 (1.32%) Pega
11 2 (1.32%) Red Hat
11 2 (1.32%) Talend