Period
to 26 June 2019

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Open Source skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Open Source over the 6 months to 26 June 2019 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.

Open Source
England > London
6 months to
26 Jun 2019
Same period 2018 Same period 2017
Rank 82 77 85
Rank change year-on-year -5 +8 -5
Contract jobs citing Open Source 1,229 1,488 1,221
As % of all contract IT jobs advertised in London 3.05% 3.29% 3.04%
As % of the Processes & Methodologies category 3.43% 3.72% 3.47%
Number of daily rates quoted 783 1,055 857
London median daily rate £550 £550 £525
Median daily rate % change year-on-year - +4.76% +5.00%
10th Percentile £430 £400 £391
90th Percentile £700 £675 £656
England median daily rate £538 £508 £500
% change year-on-year +5.91% +1.50% +5.26%
Number of hourly rates quoted 8 13 14
London median hourly rate £35.00 £42.50 £47.00
Median hourly rate % change year-on-year -17.65% -9.57% -
10th Percentile £30.13 £31.89 £37.23
90th Percentile £40.63 £50.05 £51.25
England median hourly rate £35.00 £35.00 £47.00
% change year-on-year - -25.53% +44.62%

Open Source is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 35,855 39,953 35,153
As % of all contract IT jobs advertised in London 88.86% 88.28% 87.56%
Number of daily rates quoted 25,572 28,926 25,189
London median daily rate £523 £500 £475
Median daily rate % change year-on-year +4.50% +5.26% +2.93%
10th Percentile £343 £325 £313
90th Percentile £688 £675 £650
England median daily rate £475 £463 £450
% change year-on-year +2.70% +2.78% +5.88%
Number of hourly rates quoted 417 559 388
London median hourly rate £24.95 £24.50 £24.93
Median hourly rate % change year-on-year +1.84% -1.72% +18.71%
10th Percentile £12.65 £14.00 £12.85
90th Percentile £53.75 £53.75 £52.50
England median hourly rate £25.34 £22.00 £25.00
% change year-on-year +15.16% -12.00% -

Open Source
Job Vacancy Trend in London

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

Job vacancy trend for Open Source in London

Open Source
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Open Source in London

Open Source
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Open Source in London over the 6 months to 26 June 2019.

Contractor daily rate histogram for Open Source in London

Open Source
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Open Source in London.

Contractor hourly rate trend for Open Source in London

Open Source
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Open Source in London over the 6 months to 26 June 2019.

Contractor hourly rate histogram for Open Source in London

Open Source
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 Open Source within the London region over the 6 months to 26 June 2019. 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 -1 194 £550 +4.76% 17
South London +16 61 £525 -8.70% 2
East London -10 42 £525 -4.55% 2
West London -11 19 £575 +12.20% 4
North London -8 5 £363 -12.65%
Open Source
England

For the 6 months to 26 June 2019, IT contractor jobs citing Open Source 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 Open Source.

1 645 (52.48%) Agile Software Development
2 597 (48.58%) Java
3 477 (38.81%) DevOps
4 443 (36.05%) Python
5 439 (35.72%) Amazon AWS
6 403 (32.79%) JavaScript
7 339 (27.58%) Jenkins
8 338 (27.50%) Docker
9 287 (23.35%) Linux
10 271 (22.05%) Web Services
11 267 (21.72%) Finance
12 265 (21.56%) Kubernetes
13 252 (20.50%) Git (software)
14 251 (20.42%) Microservices
15 248 (20.18%) TDD
16 244 (19.85%) Continuous Integration
17 226 (18.39%) AngularJS
18 214 (17.41%) Ansible
18 214 (17.41%) Test Automation
19 209 (17.01%) SQL
20 192 (15.62%) Terraform
21 191 (15.54%) Scrum
22 189 (15.38%) Node.js
23 180 (14.65%) React
24 177 (14.40%) Microsoft Azure
25 169 (13.75%) Puppet
26 163 (13.26%) NoSQL
27 160 (13.02%) MySQL
28 158 (12.86%) HTML
29 154 (12.53%) MongoDB

Open Source
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 93 (7.57%) Confluence
2 73 (5.94%) nginx
3 63 (5.13%) Apache Spark
4 62 (5.04%) Elasticsearch
5 57 (4.64%) Apache
6 48 (3.91%) Tomcat
7 41 (3.34%) WebSphere
8 33 (2.69%) Cloud Foundry
9 22 (1.79%) IIS
10 20 (1.63%) WordPress
11 19 (1.55%) Ethereum
11 19 (1.55%) Hyperledger
12 18 (1.46%) Jetty
13 17 (1.38%) OpenStack
14 14 (1.14%) Apache Airflow
14 14 (1.14%) Mongrel
15 12 (0.98%) JBoss
16 11 (0.90%) SAS
16 11 (0.90%) WebLogic
17 9 (0.73%) ArcGIS
Applications
1 13 (1.06%) Microsoft Excel
2 7 (0.57%) SPSS
3 6 (0.49%) Microsoft PowerPoint
4 2 (0.16%) Adobe Creative Suite
4 2 (0.16%) Chatbot
4 2 (0.16%) InVision
4 2 (0.16%) Microsoft Office
4 2 (0.16%) MS Visio
4 2 (0.16%) Sketch
5 1 (0.081%) Spreadsheet
Business Applications
1 17 (1.38%) Distributed Ledger
2 13 (1.06%) R3 Corda
3 4 (0.33%) Magento
3 4 (0.33%) SAP ERP
3 4 (0.33%) SAP Oil and Gas
3 4 (0.33%) SAP S/4HANA
4 2 (0.16%) MultiChain
4 2 (0.16%) Quorum
5 1 (0.081%) NetSuite
5 1 (0.081%) SAP Hybris
Cloud Services
1 439 (35.72%) Amazon AWS
2 177 (14.40%) Microsoft Azure
3 138 (11.23%) Amazon EC2
4 116 (9.44%) Serverless
5 107 (8.71%) Google Cloud Platform
6 104 (8.46%) GitHub
7 89 (7.24%) Amazon S3
8 84 (6.83%) AWS Lambda
9 77 (6.27%) OpenShift
9 77 (6.27%) PaaS
10 73 (5.94%) Amazon SQS
11 67 (5.45%) npm
12 47 (3.82%) AWS Elastic Beanstalk
13 44 (3.58%) AWS CloudFormation
13 44 (3.58%) SaaS
14 30 (2.44%) Cloud Computing
14 30 (2.44%) Google App Engine
15 26 (2.12%) Amazon ECS
16 22 (1.79%) Power Platform
16 22 (1.79%) Slack
Communications & Networking
1 78 (6.35%) HTTP
2 66 (5.37%) DNS
2 66 (5.37%) FTP
3 62 (5.04%) TCP/IP
4 61 (4.96%) SSL
5 49 (3.99%) IPsec
6 48 (3.91%) DHCP
7 41 (3.34%) Firewall
8 38 (3.09%) Network Security
9 17 (1.38%) WAN
10 16 (1.30%) Internet
11 15 (1.22%) Intrusion Detection
12 14 (1.14%) SMTP
13 12 (0.98%) AMQP
13 12 (0.98%) IPFS
13 12 (0.98%) Peer-to-Peer Networking
14 11 (0.90%) Cisco ASA
14 11 (0.90%) Cisco PIX
15 9 (0.73%) DMZ
16 7 (0.57%) SAN
Database & Business Intelligence
1 163 (13.26%) NoSQL
2 160 (13.02%) MySQL
3 154 (12.53%) MongoDB
4 119 (9.68%) Relational Database
5 113 (9.19%) Big Data
6 109 (8.87%) SQL Server
7 103 (8.38%) PostgreSQL
8 96 (7.81%) Amazon RDS
9 88 (7.16%) Amazon Redshift
10 71 (5.78%) Apache Cassandra
11 58 (4.72%) Hadoop
12 52 (4.23%) RDBMS
13 43 (3.50%) Redis
14 39 (3.17%) Blockchain
15 33 (2.69%) Data Warehouse
16 22 (1.79%) Power BI
17 20 (1.63%) Amazon DynamoDB
17 20 (1.63%) Spotfire
18 18 (1.46%) Data Lake
19 17 (1.38%) BigQuery
Development Applications
1 339 (27.58%) Jenkins
2 252 (20.50%) Git (software)
3 124 (10.09%) JIRA
3 124 (10.09%) Maven
4 95 (7.73%) Travis CI
5 82 (6.67%) Bitbucket
6 81 (6.59%) JUnit
7 76 (6.18%) Artifactory
8 70 (5.70%) gulp
9 61 (4.96%) GitLab
9 61 (4.96%) Gradle
9 61 (4.96%) Jasmine
10 58 (4.72%) SonarQube
11 56 (4.56%) Selenium
12 49 (3.99%) Cucumber
13 44 (3.58%) Karma Test Runner
14 41 (3.34%) Sonatype Nexus
15 39 (3.17%) Mockito
16 33 (2.69%) Subversion
17 31 (2.52%) Protractor
General
1 267 (21.72%) Finance
2 133 (10.82%) Banking
3 76 (6.18%) Front Office
4 39 (3.17%) Retail
5 30 (2.44%) Marketing
6 23 (1.87%) Advertising
6 23 (1.87%) Law
7 22 (1.79%) Games
8 21 (1.71%) Financial Institution
9 17 (1.38%) Investment Banking
10 14 (1.14%) Pharmaceutical
11 10 (0.81%) Manufacturing
12 9 (0.73%) Publishing
12 9 (0.73%) Telecoms
13 7 (0.57%) Retail Banking
14 5 (0.41%) Electronics
15 4 (0.33%) Billing
16 3 (0.24%) Legal
17 2 (0.16%) Back Office
17 2 (0.16%) German Language
Job Titles
1 596 (48.49%) Developer
2 162 (13.18%) DevOps Engineer
3 154 (12.53%) Java Developer
4 147 (11.96%) Architect
5 100 (8.14%) Front End Developer (Client-Side Developer)
6 85 (6.92%) Angular Developer
6 85 (6.92%) Senior Developer
7 82 (6.67%) AWS Developer
8 81 (6.59%) Python Developer
9 79 (6.43%) JavaScript Developer
10 76 (6.18%) React Developer
11 61 (4.96%) UI Developer
12 59 (4.80%) Full Stack Developer
13 58 (4.72%) AWS Engineer
14 54 (4.39%) Data Engineer
15 45 (3.66%) Lead Developer
16 42 (3.42%) Tester
17 38 (3.09%) JavaScript Engineer
17 38 (3.09%) UI Engineer
18 37 (3.01%) Java Engineer
Libraries, Frameworks & Software Standards
1 271 (22.05%) Web Services
2 226 (18.39%) AngularJS
3 189 (15.38%) Node.js
4 180 (14.65%) React
5 158 (12.86%) HTML
6 153 (12.45%) Spring
7 150 (12.21%) RESTful
8 147 (11.96%) CSS
9 133 (10.82%) REST
10 107 (8.71%) J2EE
11 89 (7.24%) Kafka
12 88 (7.16%) HTML5
12 88 (7.16%) JSON
13 81 (6.59%) SOAP
14 75 (6.10%) .NET
15 70 (5.70%) Spring Boot
16 52 (4.23%) Vue.js
17 50 (4.07%) Twitter Bootstrap
18 47 (3.82%) RabbitMQ
18 47 (3.82%) Redux
Miscellaneous
1 88 (7.16%) Greenfield Project
2 51 (4.15%) Algorithms
2 51 (4.15%) Data Centre
3 49 (3.99%) User Experience
4 41 (3.34%) Analytical Skills
5 39 (3.17%) Data Structures
6 35 (2.85%) Mobile App
7 27 (2.20%) Bitcoin
8 26 (2.12%) Blog
9 24 (1.95%) Hedge funds
10 23 (1.87%) Enterprise Software
10 23 (1.87%) Fixed Income
11 22 (1.79%) Public Cloud
12 20 (1.63%) NHS
13 19 (1.55%) Linux Command Line
14 16 (1.30%) Enterprise Cloud
14 16 (1.30%) Virtual Team
15 14 (1.14%) Hybrid Cloud
16 13 (1.06%) Cloud Native
17 12 (0.98%) BYOD
Operating Systems
1 287 (23.35%) Linux
2 78 (6.35%) Windows
3 40 (3.25%) Unix
4 23 (1.87%) Red Hat Enterprise Linux
5 17 (1.38%) Android
6 16 (1.30%) Ubuntu
7 12 (0.98%) Apple iOS
7 12 (0.98%) Mac OS
7 12 (0.98%) VMS
8 11 (0.90%) Kali Linux
9 9 (0.73%) Windows 10
10 8 (0.65%) CentOS
11 4 (0.33%) Mac OS X
11 4 (0.33%) Solaris
11 4 (0.33%) SUSE Linux Enterprise Server
11 4 (0.33%) Windows Server
12 2 (0.16%) Windows Server 2008
12 2 (0.16%) Windows Server 2012
13 1 (0.081%) Mesosphere
13 1 (0.081%) Tizen
Processes & Methodologies
1 645 (52.48%) Agile Software Development
2 477 (38.81%) DevOps
3 251 (20.42%) Microservices
4 248 (20.18%) TDD
5 244 (19.85%) Continuous Integration
6 214 (17.41%) Test Automation
7 191 (15.54%) Scrum
8 148 (12.04%) BDD
9 133 (10.82%) Front End Development
9 133 (10.82%) OO
10 131 (10.66%) Software Engineering
11 128 (10.41%) Configuration Management
12 118 (9.60%) Analytics
13 110 (8.95%) Continuous Delivery
14 100 (8.14%) Machine Learning
15 84 (6.83%) Mentoring
16 83 (6.75%) Deployment Automation
17 80 (6.51%) Data Science
18 78 (6.35%) Kanban
19 76 (6.18%) Pair Programming
Programming Languages
1 597 (48.58%) Java
2 443 (36.05%) Python
3 403 (32.79%) JavaScript
4 209 (17.01%) SQL
5 105 (8.54%) ES6
6 96 (7.81%) Scala
7 91 (7.40%) TypeScript
8 87 (7.08%) Java 8
9 86 (7.00%) C#
10 81 (6.59%) Ruby
11 77 (6.27%) Groovy
12 54 (4.39%) PHP
13 52 (4.23%) Bash Shell
14 50 (4.07%) Shell Script
15 48 (3.91%) C++
15 48 (3.91%) Perl
16 33 (2.69%) PowerShell
17 29 (2.36%) Go
18 20 (1.63%) Clojure
19 17 (1.38%) R
Qualifications
1 141 (11.47%) Security Cleared
2 104 (8.46%) SC Cleared
3 76 (6.18%) Degree
4 30 (2.44%) BPSS Clearance
5 25 (2.03%) AWS Certification
6 20 (1.63%) Computer Science Degree
7 15 (1.22%) Master's Degree
8 12 (0.98%) DBS Check
8 12 (0.98%) OSCP
8 12 (0.98%) SANS
9 10 (0.81%) CISSP
10 8 (0.65%) CREST Certified
10 8 (0.65%) GPEN
10 8 (0.65%) GWAPT
10 8 (0.65%) GXPN
10 8 (0.65%) ISEB
10 8 (0.65%) ISTQB
10 8 (0.65%) OSCE
10 8 (0.65%) PhD
11 7 (0.57%) CHECK Team Member
Quality Assurance & Compliance
1 61 (4.96%) QA
2 8 (0.65%) Disclosure Scotland
3 5 (0.41%) Data Quality
4 3 (0.24%) GDPR
5 2 (0.16%) HL7
5 2 (0.16%) PMO
5 2 (0.16%) PSD2
5 2 (0.16%) WCAG
6 1 (0.081%) ISO/IEC 27001
6 1 (0.081%) NIST
6 1 (0.081%) PCI DSS
6 1 (0.081%) SLA
6 1 (0.081%) TARGET2
6 1 (0.081%) WAI
System Software
1 338 (27.50%) Docker
2 77 (6.27%) Virtual Machines
3 57 (4.64%) VMware Infrastructure
4 26 (2.12%) vSphere
5 14 (1.14%) Xen
6 10 (0.81%) Active Directory
7 6 (0.49%) Hyper-V
8 5 (0.41%) HDFS
9 4 (0.33%) Sendmail
9 4 (0.33%) Veritas Cluster Server
9 4 (0.33%) Veritas Volume Manager
10 1 (0.081%) Apache ZooKeeper
10 1 (0.081%) etcd
10 1 (0.081%) iptables
10 1 (0.081%) LXC
10 1 (0.081%) NFS
10 1 (0.081%) Varnish
10 1 (0.081%) Virtual Desktop
10 1 (0.081%) VMware ESXi
Systems Management
1 265 (21.56%) Kubernetes
2 214 (17.41%) Ansible
3 192 (15.62%) Terraform
4 169 (13.75%) Puppet
5 90 (7.32%) Opscode Chef
6 33 (2.69%) Kibana
7 32 (2.60%) Grafana
8 25 (2.03%) Consul
9 22 (1.79%) Nmap
10 21 (1.71%) Nessus
11 18 (1.46%) Packer
12 9 (0.73%) SCCM
13 7 (0.57%) CloudHub
13 7 (0.57%) Istio
13 7 (0.57%) logstash
14 6 (0.49%) Red Hat Satellite
15 5 (0.41%) Graphite
15 5 (0.41%) Suricata
15 5 (0.41%) ZABBIX
16 4 (0.33%) Prometheus
Vendors
1 94 (7.65%) Microsoft
2 93 (7.57%) Google
3 69 (5.61%) Oracle
4 64 (5.21%) VMware
5 32 (2.60%) MuleSoft
6 30 (2.44%) Splunk
7 24 (1.95%) Databricks
8 22 (1.79%) Facebook
9 20 (1.63%) IBM
10 19 (1.55%) Red Hat
11 18 (1.46%) TIBCO
12 17 (1.38%) hybris
13 16 (1.30%) Cisco
14 13 (1.06%) BMC
14 13 (1.06%) HP
14 13 (1.06%) Twitter
15 12 (0.98%) Citrix
15 12 (0.98%) SAP
16 11 (0.90%) CheckPoint
16 11 (0.90%) Trustwave