Period
to 20 June 2018

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 20 June 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.

Open Source
England > London
6 months to
20 Jun 2018
Same period 2017 Same period 2016
Rank 77 85 84
Rank change year-on-year +8 -1 +61
Contract jobs citing Open Source 1,460 1,214 1,275
As % of all contract IT jobs advertised in London 3.25% 3.05% 2.92%
As % of the Processes & Methodologies category 3.72% 3.52% 3.39%
Number of daily rates quoted 1,038 849 939
London median daily rate £550 £525 £500
Median daily rate % change year-on-year +4.76% +5.00% +5.26%
10th Percentile £400 £388 £375
90th Percentile £675 £663 £651
England median daily rate £500 £500 £475
% change year-on-year - +5.26% +11.76%
Number of hourly rates quoted 13 14 0
London median hourly rate £42.50 £47.00 -
Median hourly rate % change year-on-year -9.57% - -
England median hourly rate £35.00 £47.00 £33.75
% change year-on-year -25.53% +39.26% -25.00%

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 39,238 34,521 37,593
As % of all contract IT jobs advertised in London 87.34% 86.75% 85.96%
Number of daily rates quoted 28,406 24,772 27,306
London median daily rate £500 £475 £463
Median daily rate % change year-on-year +5.26% +2.70% +2.78%
10th Percentile £325 £313 £300
90th Percentile £675 £650 £650
England median daily rate £463 £450 £425
% change year-on-year +2.78% +5.88% +4.94%
Number of hourly rates quoted 549 378 364
London median hourly rate £24.09 £24.82 £21.00
Median hourly rate % change year-on-year -2.92% +18.17% +5.00%
10th Percentile £14.00 £12.88 £11.25
90th Percentile £52.75 £52.50 £50.22
England median hourly rate £22.00 £25.00 £25.00
% change year-on-year -12.00% - +19.05%

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 20 June 2018.

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 20 June 2018.

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 20 June 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 -34 220 £525 - 102
South London -8 64 £575 +27.78% 9
East London +17 53 £550 +10.50% 32
West London -31 40 £500 +6.38% 47
North London +6 5 £400 -24.71% 3
Open Source
England

For the 6 months to 20 June 2018, 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.

1 788 (53.97%) Agile Software Development
2 610 (41.78%) Java
3 512 (35.07%) DevOps
4 455 (31.16%) Linux
5 424 (29.04%) Python
6 421 (28.84%) Amazon AWS
7 372 (25.48%) JavaScript
8 368 (25.21%) Jenkins
9 337 (23.08%) Microservices
10 316 (21.64%) Continuous Integration
11 312 (21.37%) Git (software)
12 302 (20.68%) Docker
13 286 (19.59%) TDD
14 280 (19.18%) Finance
15 258 (17.67%) Puppet
16 249 (17.05%) HTML
17 248 (16.99%) Test Automation
18 245 (16.78%) Configuration Management
19 231 (15.82%) CSS
20 229 (15.68%) SQL
21 227 (15.55%) Security Cleared
22 220 (15.07%) Spring
23 214 (14.66%) Scrum
23 214 (14.66%) Opscode Chef
24 209 (14.32%) Node.js
25 208 (14.25%) Microsoft Azure
26 205 (14.04%) Ruby
27 204 (13.97%) Ansible
28 201 (13.77%) MySQL
29 193 (13.22%) SC Cleared

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 96 (6.58%) Apache Spark
2 83 (5.68%) Elasticsearch
3 78 (5.34%) Confluence
4 74 (5.07%) nginx
5 59 (4.04%) Tomcat
6 56 (3.84%) Apache
7 32 (2.19%) JBoss
8 31 (2.12%) Apache Pig
9 30 (2.05%) Cloud Foundry
10 27 (1.85%) OpenStack
11 18 (1.23%) WebLogic
11 18 (1.23%) WildFly
12 15 (1.03%) WebSphere
13 13 (0.89%) Apache Solr
14 12 (0.82%) Jetty
15 9 (0.62%) CMS
16 8 (0.55%) Hyperledger
17 7 (0.48%) ThingWorx
17 7 (0.48%) WordPress
18 6 (0.41%) SAS
Applications
1 12 (0.82%) Microsoft Excel
2 8 (0.55%) Chatbot
3 6 (0.41%) MS Visio
3 6 (0.41%) Spreadsheet
4 5 (0.34%) Microsoft Office
5 4 (0.27%) Microsoft Project
6 1 (0.068%) Shockwave
6 1 (0.068%) SPSS
Business Applications
1 12 (0.82%) ION MarketView
2 8 (0.55%) Magento
3 7 (0.48%) Summit
4 4 (0.27%) Dynamics CRM
5 2 (0.14%) BusinessWorks
5 2 (0.14%) TIBCO BusinessEvents
6 1 (0.068%) R3 Corda
6 1 (0.068%) Tesseract
Cloud Services
1 421 (28.84%) Amazon AWS
2 208 (14.25%) Microsoft Azure
3 92 (6.30%) GitHub
4 54 (3.70%) npm
5 46 (3.15%) Serverless
6 45 (3.08%) PaaS
7 40 (2.74%) AWS CloudFormation
8 38 (2.60%) Cloud Computing
9 30 (2.05%) Google Cloud Platform
9 30 (2.05%) IaaS
9 30 (2.05%) SaaS
10 27 (1.85%) AWS Lambda
11 26 (1.78%) Amazon EC2
12 22 (1.51%) Amazon CloudWatch
13 17 (1.16%) Amazon Kinesis
13 17 (1.16%) Virtual Private Cloud
14 16 (1.10%) Amazon EMR
15 15 (1.03%) Amazon S3
16 14 (0.96%) Amazon SQS
17 13 (0.89%) Datadog
Communications & Networking
1 119 (8.15%) HTTP
2 103 (7.05%) DNS
3 98 (6.71%) TCP/IP
4 81 (5.55%) SSL
5 55 (3.77%) Firewall
5 55 (3.77%) Internet
6 50 (3.42%) DHCP
7 38 (2.60%) FTP
8 36 (2.47%) IPsec
9 16 (1.10%) AMQP
10 15 (1.03%) Network Security
10 15 (1.03%) SMS
10 15 (1.03%) VPN
11 10 (0.68%) ICMP
12 8 (0.55%) Kerberos
13 7 (0.48%) Modbus
13 7 (0.48%) MQTT
13 7 (0.48%) SSH
13 7 (0.48%) Wireless
14 6 (0.41%) SMTP
Database & Business Intelligence
1 201 (13.77%) MySQL
2 183 (12.53%) NoSQL
3 178 (12.19%) PostgreSQL
4 172 (11.78%) MongoDB
5 167 (11.44%) Relational Database
6 143 (9.79%) Big Data
7 124 (8.49%) Hadoop
8 85 (5.82%) SQL Server
9 68 (4.66%) RDBMS
10 51 (3.49%) Apache Cassandra
11 42 (2.88%) Apache Hive
12 40 (2.74%) Data Warehouse
12 40 (2.74%) Redis
13 30 (2.05%) Amazon Redshift
14 24 (1.64%) Flink
15 21 (1.44%) HBase
16 20 (1.37%) Amazon RDS
17 18 (1.23%) Neo4j
18 16 (1.10%) Data Mining
19 14 (0.96%) Blockchain
Development Applications
1 368 (25.21%) Jenkins
2 312 (21.37%) Git (software)
3 104 (7.12%) JUnit
4 97 (6.64%) Selenium
5 89 (6.10%) Maven
6 82 (5.62%) JIRA
7 81 (5.55%) Cucumber
8 55 (3.77%) Travis CI
9 54 (3.70%) Gradle
10 53 (3.63%) Subversion
11 50 (3.42%) Artifactory
12 46 (3.15%) gulp
13 39 (2.67%) webpack
14 33 (2.26%) Vagrant
14 33 (2.26%) WebDriver
15 32 (2.19%) Visual Studio Team System
16 31 (2.12%) Atlassian Bamboo
16 31 (2.12%) Hudson
17 28 (1.92%) Jasmine
17 28 (1.92%) Mocha
General
1 280 (19.18%) Finance
2 191 (13.08%) Banking
3 81 (5.55%) Retail
4 49 (3.36%) Investment Banking
5 34 (2.33%) Marketing
6 31 (2.12%) Front Office
7 25 (1.71%) Back Office
7 25 (1.71%) Telecoms
8 22 (1.51%) Games
9 19 (1.30%) Financial Institution
10 17 (1.16%) Electronics
10 17 (1.16%) Manufacturing
11 15 (1.03%) Publishing
12 14 (0.96%) Law
13 10 (0.68%) Advertising
13 10 (0.68%) Legal
14 7 (0.48%) Retail Banking
15 6 (0.41%) Billing
16 3 (0.21%) French Language
16 3 (0.21%) Music Industry
Job Titles
1 560 (38.36%) Developer
2 222 (15.21%) DevOps Engineer
3 203 (13.90%) Architect
4 189 (12.95%) Java Developer
5 89 (6.10%) Senior Developer
6 84 (5.75%) React Developer
7 71 (4.86%) AWS Engineer
8 70 (4.79%) Front End Developer (Client-Side Developer)
9 63 (4.32%) JavaScript Developer
10 53 (3.63%) Technical Architect
11 52 (3.56%) AWS DevOps
12 51 (3.49%) .NET Developer
13 50 (3.42%) Data Engineer
13 50 (3.42%) Linux Engineer
14 49 (3.36%) Senior Java Developer
15 46 (3.15%) Consultant
15 46 (3.15%) Solutions Architect
16 45 (3.08%) AWS DevOps Engineer
17 44 (3.01%) Angular Developer
17 44 (3.01%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 249 (17.05%) HTML
2 231 (15.82%) CSS
3 220 (15.07%) Spring
4 209 (14.32%) Node.js
5 193 (13.22%) AngularJS
6 181 (12.40%) RESTful
7 161 (11.03%) Web Services
8 159 (10.89%) REST
9 157 (10.75%) React
10 139 (9.52%) .NET
11 121 (8.29%) HTML5
12 119 (8.15%) Kafka
13 80 (5.48%) Hibernate
14 79 (5.41%) CSS3
15 77 (5.27%) SOAP
16 72 (4.93%) Spring Boot
17 71 (4.86%) ASP.NET
17 71 (4.86%) Elastic Stack
18 64 (4.38%) JSON
19 61 (4.18%) RabbitMQ
Miscellaneous
1 88 (6.03%) User Experience
2 73 (5.00%) Algorithms
3 72 (4.93%) Computer Science
3 72 (4.93%) Greenfield Project
4 62 (4.25%) Analytical Skills
5 57 (3.90%) Linux Command Line
5 57 (3.90%) Mobile App
6 56 (3.84%) Foreign Exchange (FX)
7 46 (3.15%) Fintech
8 40 (2.74%) Public Cloud
9 33 (2.26%) Online Banking
10 28 (1.92%) Data Structures
11 24 (1.64%) Fixed Income
12 19 (1.30%) Cloud Native
12 19 (1.30%) HoloLens
13 18 (1.23%) Enterprise Software
14 17 (1.16%) Management Information System
15 16 (1.10%) Derivative
16 14 (0.96%) Data Centre
17 13 (0.89%) Self-Motivation
Operating Systems
1 455 (31.16%) Linux
2 184 (12.60%) Unix
3 91 (6.23%) Windows
4 52 (3.56%) Red Hat Enterprise Linux
5 41 (2.81%) Android
6 34 (2.33%) Windows Server
7 33 (2.26%) CentOS
7 33 (2.26%) Mac OS X
8 31 (2.12%) Ubuntu
9 17 (1.16%) Apple iOS
10 15 (1.03%) CoreOS
11 13 (0.89%) AIX
11 13 (0.89%) DC/OS
11 13 (0.89%) Solaris
12 12 (0.82%) Windows Server 2008
13 10 (0.68%) Mac OS
14 8 (0.55%) Windows Server 2003
14 8 (0.55%) Windows Server 2012
15 6 (0.41%) Debian
16 2 (0.14%) Mesosphere
Processes & Methodologies
1 788 (53.97%) Agile Software Development
2 512 (35.07%) DevOps
3 337 (23.08%) Microservices
4 316 (21.64%) Continuous Integration
5 286 (19.59%) TDD
6 248 (16.99%) Test Automation
7 245 (16.78%) Configuration Management
8 214 (14.66%) Scrum
9 139 (9.52%) Problem-Solving
10 136 (9.32%) BDD
11 133 (9.11%) Continuous Delivery
12 121 (8.29%) OO
13 116 (7.95%) Analytics
14 111 (7.60%) Software Engineering
15 108 (7.40%) MVC
16 98 (6.71%) Front End Development
16 98 (6.71%) Mentoring
17 89 (6.10%) SDLC
18 86 (5.89%) High Availability
19 79 (5.41%) Migration
Programming Languages
1 610 (41.78%) Java
2 424 (29.04%) Python
3 372 (25.48%) JavaScript
4 229 (15.68%) SQL
5 205 (14.04%) Ruby
6 145 (9.93%) Scala
7 128 (8.77%) Bash Shell
8 113 (7.74%) C#
9 101 (6.92%) Java 8
10 85 (5.82%) Perl
11 66 (4.52%) PHP
12 64 (4.38%) Shell Script
13 57 (3.90%) C++
14 53 (3.63%) ES6
15 52 (3.56%) TypeScript
16 41 (2.81%) C
16 41 (2.81%) Go
17 35 (2.40%) Groovy
18 32 (2.19%) R
19 30 (2.05%) Kotlin
Qualifications
1 227 (15.55%) Security Cleared
2 193 (13.22%) SC Cleared
3 111 (7.60%) Degree
4 54 (3.70%) Computer Science Degree
5 43 (2.95%) BPSS Clearance
6 20 (1.37%) Master's Degree
7 9 (0.62%) DV Cleared
8 8 (0.55%) AWS Certification
8 8 (0.55%) CHECK Team Member
9 5 (0.34%) ACCA
10 4 (0.27%) CESG Certified Professional
10 4 (0.27%) ISTQB
10 4 (0.27%) PMI Certification
11 3 (0.21%) DBS Check
11 3 (0.21%) ISEB
11 3 (0.21%) RHCE
11 3 (0.21%) TOGAF Certification
12 2 (0.14%) CompTIA Security+
12 2 (0.14%) ISTQB Foundation Certification
12 2 (0.14%) Numerate Degree
Quality Assurance & Compliance
1 103 (7.05%) QA
2 16 (1.10%) Data Quality
3 12 (0.82%) GDPR
4 10 (0.68%) Disclosure Scotland
5 6 (0.41%) GCP
5 6 (0.41%) HMG Security Policy Framework
6 4 (0.27%) HL7
6 4 (0.27%) PMO
7 3 (0.21%) ISO/IEC 27001
7 3 (0.21%) PCI DSS
7 3 (0.21%) WAI
8 2 (0.14%) PSD2
9 1 (0.068%) Sarbanes-Oxley
9 1 (0.068%) SLA
9 1 (0.068%) WCAG
System Software
1 302 (20.68%) Docker
2 64 (4.38%) Virtual Machines
3 41 (2.81%) Active Directory
4 28 (1.92%) Apache Flume
5 21 (1.44%) Hyper-V
6 20 (1.37%) etcd
7 19 (1.30%) flannel
7 19 (1.30%) VMware Infrastructure
8 14 (0.96%) Firmware
9 13 (0.89%) Apache ZooKeeper
10 12 (0.82%) HDFS
10 12 (0.82%) VirtualBox
11 10 (0.68%) VMware ESXi
12 7 (0.48%) Ceph
12 7 (0.48%) NFS
13 6 (0.41%) ProxySG
14 5 (0.34%) GlusterFS
15 4 (0.27%) iptables
15 4 (0.27%) vCloud
16 3 (0.21%) Varnish
Systems Management
1 258 (17.67%) Puppet
2 214 (14.66%) Opscode Chef
3 204 (13.97%) Ansible
4 171 (11.71%) Kubernetes
5 129 (8.84%) Terraform
6 42 (2.88%) HAProxy
7 35 (2.40%) logstash
8 34 (2.33%) Grafana
9 29 (1.99%) Kibana
9 29 (1.99%) Salt
10 26 (1.78%) Prometheus
11 25 (1.71%) Packer
12 23 (1.58%) Consul
12 23 (1.58%) Docker Swarm
13 20 (1.37%) Host Intrusion Detection System
13 20 (1.37%) Network Intrusion Detection System
13 20 (1.37%) rkt
14 19 (1.30%) Oozie
14 19 (1.30%) Single Sign-On
15 17 (1.16%) Nagios
Vendors
1 84 (5.75%) Microsoft
2 80 (5.48%) Google
3 66 (4.52%) Oracle
4 58 (3.97%) Red Hat
5 41 (2.81%) SaltStack
6 35 (2.40%) VMware
7 34 (2.33%) Splunk
8 31 (2.12%) SAP
9 22 (1.51%) Atlassian
10 19 (1.30%) TIBCO
11 15 (1.03%) Alteryx
11 15 (1.03%) New Relic
12 13 (0.89%) Apple
12 13 (0.89%) Hortonworks
13 12 (0.82%) AppDynamics
13 12 (0.82%) Cisco
13 12 (0.82%) ION Trading
13 12 (0.82%) MuleSoft
13 12 (0.82%) Salesforce.com
13 12 (0.82%) SolarWinds