Period
to 21 February 2018

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Open Source skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Open Source over the 6 months to 21 February 2018 with a comparison to the same period in the previous 2 years.

Open Source
England > London
6 months to
21 Feb 2018
Same period 2017 Same period 2016
Rank 88 87 86
Rank change year-on-year -1 -1 +15
Permanent jobs citing Open Source 2,515 2,381 2,985
As % of all permanent IT jobs advertised in London 3.58% 3.40% 3.52%
As % of the Processes & Methodologies category 3.92% 3.76% 3.92%
Number of salaries quoted 2,031 2,001 2,484
London median annual salary £67,500 £65,000 £60,000
Median salary % change year-on-year +3.85% +8.33% +4.35%
10th Percentile £41,750 £38,750 £40,000
90th Percentile £97,500 £96,250 £88,750
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% +10.00%

Open Source is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 64,218 63,405 76,104
As % of all permanent IT jobs advertised in London 91.40% 90.52% 89.76%
Number of salaries quoted 52,603 53,702 64,499
London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% -
10th Percentile £36,250 £33,750 £33,750
90th Percentile £92,500 £90,000 £87,500
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Open Source in London.

Salary trend for Open Source in London

Open Source
Salary Histogram in London

The salary distribution of IT jobs citing Open Source in London over the 6 months to 21 February 2018.

Salary histogram for Open Source in London

Open Source
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Open Source within the London region over the 6 months to 21 February 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -2 427 £67,500 +3.85% 100
South London +41 89 £47,500 -29.63% 6
West London -39 88 £62,500 -3.85% 50
East London -6 23 £67,500 +17.39% 19
North London -8 7 £100,000 +53.85% 1
Open Source
England

For the 6 months to 21 February 2018, IT 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 permanent job ads across the London region with a requirement for Open Source.

1 1,392 (55.35%) Agile Software Development
2 1,134 (45.09%) Java
3 812 (32.29%) DevOps
4 790 (31.41%) Python
5 719 (28.59%) Amazon AWS
6 695 (27.63%) Linux
7 687 (27.32%) Finance
8 681 (27.08%) JavaScript
9 587 (23.34%) Software Engineering
10 517 (20.56%) Continuous Integration
11 480 (19.09%) Microservices
12 479 (19.05%) Scrum
13 472 (18.77%) SQL
14 467 (18.57%) TDD
15 450 (17.89%) Jenkins
16 430 (17.10%) Degree
17 421 (16.74%) Docker
18 412 (16.38%) AngularJS
19 393 (15.63%) Ansible
19 393 (15.63%) HTML
20 381 (15.15%) Git (software)
21 375 (14.91%) RESTful
22 363 (14.43%) C#
23 361 (14.35%) Banking
24 349 (13.88%) .NET
24 349 (13.88%) Web Services
25 336 (13.36%) CSS
26 328 (13.04%) NoSQL
27 326 (12.96%) Microsoft Azure
28 324 (12.88%) Opscode Chef

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
1 191 (7.59%) Apache Spark
2 165 (6.56%) Apache
3 159 (6.32%) Elasticsearch
4 113 (4.49%) Tomcat
5 88 (3.50%) WebSphere
6 86 (3.42%) nginx
7 70 (2.78%) CMS
8 54 (2.15%) Apache Solr
9 49 (1.95%) Cloud Foundry
9 49 (1.95%) OpenStack
10 39 (1.55%) SAS
11 34 (1.35%) JBoss
12 32 (1.27%) WordPress
13 28 (1.11%) Oracle SOA Suite
14 27 (1.07%) Confluence
15 25 (0.99%) Drupal
16 20 (0.80%) WebLogic
17 19 (0.76%) Apache Pig
17 19 (0.76%) IIS
18 18 (0.72%) Jetty
Applications
1 26 (1.03%) SPSS
2 12 (0.48%) Microsoft Office
3 11 (0.44%) Adobe Creative Suite
4 6 (0.24%) Photoshop
5 4 (0.16%) MS Visio
6 2 (0.080%) Chatbot
6 2 (0.080%) HipChat
7 1 (0.040%) AutoCAD
7 1 (0.040%) GIMP
7 1 (0.040%) Microsoft Excel
7 1 (0.040%) Weka
Business Applications
1 16 (0.64%) Magento
2 7 (0.28%) BusinessWorks
2 7 (0.28%) TIBCO BusinessEvents
3 6 (0.24%) Distributed Ledger
3 6 (0.24%) MultiChain
4 5 (0.20%) Oracle EBS
4 5 (0.20%) R3 Corda
5 3 (0.12%) Dynamics CRM
6 2 (0.080%) NetSuite
6 2 (0.080%) Oracle ERP
6 2 (0.080%) Oracle Retail
6 2 (0.080%) Payment Gateway
7 1 (0.040%) Academy Revenues and Benefits
7 1 (0.040%) ION MarketView
7 1 (0.040%) Ripple
7 1 (0.040%) Salesforce.com CRM
7 1 (0.040%) SAP ERP
Cloud Services
1 719 (28.59%) Amazon AWS
2 326 (12.96%) Microsoft Azure
3 165 (6.56%) GitHub
4 128 (5.09%) SaaS
5 105 (4.17%) PaaS
6 98 (3.90%) Cloud Computing
7 72 (2.86%) Google Cloud Platform
8 62 (2.47%) Amazon EC2
9 60 (2.39%) IaaS
10 48 (1.91%) AWS CloudFormation
11 39 (1.55%) npm
12 35 (1.39%) Amazon S3
13 31 (1.23%) AWS Elastic Beanstalk
13 31 (1.23%) Serverless
14 28 (1.11%) OpenShift
15 24 (0.95%) Google Play
16 22 (0.87%) AWS Lambda
17 18 (0.72%) Datadog
18 17 (0.68%) Bluemix
18 17 (0.68%) IBM Cloud
Communications & Networking
1 105 (4.17%) Internet
2 85 (3.38%) Firewall
3 84 (3.34%) HTTP
4 80 (3.18%) TCP/IP
5 63 (2.50%) DNS
6 34 (1.35%) VPN
7 33 (1.31%) Network Security
8 23 (0.91%) Cisco ASA
9 21 (0.83%) Cisco Nexus
10 18 (0.72%) Broadband
10 18 (0.72%) Ethernet
11 16 (0.64%) DHCP
12 14 (0.56%) FTP
13 13 (0.52%) LAN
14 12 (0.48%) DVB
14 12 (0.48%) SAN
15 10 (0.40%) WAN
16 8 (0.32%) NAS
16 8 (0.32%) SMTP
17 7 (0.28%) ICMP
Database & Business Intelligence
1 328 (13.04%) NoSQL
2 299 (11.89%) MySQL
3 292 (11.61%) Big Data
4 236 (9.38%) Hadoop
5 218 (8.67%) MongoDB
6 188 (7.48%) Relational Database
7 176 (7.00%) PostgreSQL
8 147 (5.84%) SQL Server
9 122 (4.85%) Apache Cassandra
10 107 (4.25%) RDBMS
11 103 (4.10%) Redis
12 68 (2.70%) HBase
13 53 (2.11%) Data Warehouse
14 51 (2.03%) Blockchain
15 44 (1.75%) Amazon DynamoDB
16 40 (1.59%) Apache Hive
17 33 (1.31%) Neo4j
18 32 (1.27%) Amazon Redshift
18 32 (1.27%) QlikView
19 25 (0.99%) Amazon RDS
Development Applications
1 450 (17.89%) Jenkins
2 381 (15.15%) Git (software)
3 220 (8.75%) Maven
4 213 (8.47%) TeamCity
5 162 (6.44%) Atlassian Bamboo
6 148 (5.88%) JUnit
7 142 (5.65%) Selenium
8 121 (4.81%) Octopus Deploy
9 117 (4.65%) JIRA
10 113 (4.49%) Hudson
11 105 (4.17%) Cucumber
12 99 (3.94%) Gradle
13 87 (3.46%) MSBuild
14 81 (3.22%) Subversion
14 81 (3.22%) Travis CI
14 81 (3.22%) Vagrant
15 63 (2.50%) gulp
16 55 (2.19%) WebDriver
17 54 (2.15%) Mockito
18 51 (2.03%) Bitbucket
General
1 687 (27.32%) Finance
2 361 (14.35%) Banking
3 176 (7.00%) Retail
4 104 (4.14%) Marketing
5 97 (3.86%) Games
6 83 (3.30%) Telecoms
7 76 (3.02%) Advertising
8 52 (2.07%) Financial Institution
9 42 (1.67%) Front Office
10 39 (1.55%) Legal
11 37 (1.47%) Investment Banking
12 34 (1.35%) Back Office
12 34 (1.35%) Law
13 18 (0.72%) Electronics
13 18 (0.72%) Publishing
14 15 (0.60%) Manufacturing
15 12 (0.48%) Music Industry
16 10 (0.40%) Pharmaceutical
17 9 (0.36%) Multimedia
18 8 (0.32%) Spanish Language
Job Titles
1 1,055 (41.95%) Developer
2 322 (12.80%) Java Developer
3 258 (10.26%) Software Engineer
4 217 (8.63%) Senior Developer
5 210 (8.35%) DevOps Engineer
6 202 (8.03%) Architect
7 183 (7.28%) Agile Developer
8 158 (6.28%) Java Engineer
9 137 (5.45%) .NET Developer
10 133 (5.29%) C# Developer
11 120 (4.77%) Developer/Software Engineer
11 120 (4.77%) Java Software Engineer
12 115 (4.57%) Front End Developer (Client-Side Developer)
13 109 (4.33%) C# .NET Developer
14 103 (4.10%) Java Software Developer
15 97 (3.86%) Agile Java Developer
16 93 (3.70%) Lead Developer
17 88 (3.50%) Analyst
18 85 (3.38%) Solutions Architect
19 81 (3.22%) Consultant
Libraries, Frameworks & Software Standards
1 412 (16.38%) AngularJS
2 393 (15.63%) HTML
3 375 (14.91%) RESTful
4 349 (13.88%) .NET
4 349 (13.88%) Web Services
5 336 (13.36%) CSS
6 288 (11.45%) Node.js
7 284 (11.29%) React
8 264 (10.50%) REST
9 260 (10.34%) Spring
10 250 (9.94%) HTML5
11 181 (7.20%) Kafka
12 157 (6.24%) ASP.NET
13 149 (5.92%) J2EE
14 139 (5.53%) CSS3
15 117 (4.65%) ASP.NET Web API
16 114 (4.53%) Java EE
17 99 (3.94%) RabbitMQ
18 94 (3.74%) LAMP
19 91 (3.62%) XML
Miscellaneous
1 317 (12.60%) Computer Science
2 233 (9.26%) Analytical Skills
3 232 (9.22%) Fintech
4 214 (8.51%) Greenfield Project
5 149 (5.92%) Algorithms
6 145 (5.77%) User Experience
7 113 (4.49%) Mobile App
8 90 (3.58%) Online Banking
9 78 (3.10%) Data Centre
10 74 (2.94%) Hedge funds
11 73 (2.90%) Enterprise Software
12 66 (2.62%) Data Structures
13 57 (2.27%) Public Cloud
14 48 (1.91%) Management Information System
15 46 (1.83%) Linux Command Line
16 34 (1.35%) Blog
17 31 (1.23%) Cyberthreat
18 30 (1.19%) Fixed Income
19 28 (1.11%) STB
19 28 (1.11%) Virtual Team
Operating Systems
1 695 (27.63%) Linux
2 229 (9.11%) Unix
3 135 (5.37%) Windows
4 80 (3.18%) Android
5 72 (2.86%) CentOS
6 65 (2.58%) Apple iOS
7 49 (1.95%) Red Hat Enterprise Linux
8 47 (1.87%) Ubuntu
9 36 (1.43%) Windows Server
10 15 (0.60%) Debian
11 11 (0.44%) Mac OS X
11 11 (0.44%) Solaris
12 10 (0.40%) Windows Server 2008
13 9 (0.36%) CoreOS
14 8 (0.32%) Embedded Linux
14 8 (0.32%) SUSE
15 7 (0.28%) Fedora
15 7 (0.28%) Windows Server 2012
16 6 (0.24%) VMS
17 4 (0.16%) Mac OS
Processes & Methodologies
1 1,392 (55.35%) Agile Software Development
2 812 (32.29%) DevOps
3 587 (23.34%) Software Engineering
4 517 (20.56%) Continuous Integration
5 480 (19.09%) Microservices
6 479 (19.05%) Scrum
7 467 (18.57%) TDD
8 285 (11.33%) BDD
9 271 (10.78%) Mentoring
9 271 (10.78%) Test Automation
10 245 (9.74%) Analytics
11 240 (9.54%) Configuration Management
12 181 (7.20%) OO
13 177 (7.04%) CQRS
14 174 (6.92%) Front End Development
15 160 (6.36%) MVC
16 159 (6.32%) Web Development
17 158 (6.28%) Domain-Driven Design
18 150 (5.96%) E-Commerce
19 142 (5.65%) Machine Learning
Programming Languages
1 1,134 (45.09%) Java
2 790 (31.41%) Python
3 681 (27.08%) JavaScript
4 472 (18.77%) SQL
5 363 (14.43%) C#
6 312 (12.41%) Ruby
7 307 (12.21%) PHP
8 229 (9.11%) Scala
9 176 (7.00%) C++
10 155 (6.16%) Bash Shell
11 148 (5.88%) Go
12 139 (5.53%) PowerShell
13 134 (5.33%) Perl
14 96 (3.82%) C
15 89 (3.54%) Shell Script
16 81 (3.22%) Groovy
17 76 (3.02%) R
18 65 (2.58%) ES6
19 48 (1.91%) TypeScript
20 36 (1.43%) Objective-C
Qualifications
1 430 (17.10%) Degree
2 171 (6.80%) Computer Science Degree
3 110 (4.37%) Security Cleared
4 62 (2.47%) Master's Degree
5 59 (2.35%) SC Cleared
6 36 (1.43%) Numerate Degree
7 28 (1.11%) CISSP
8 23 (0.91%) Sun Certification
9 21 (0.83%) Cisco Certification
10 20 (0.80%) PhD
11 17 (0.68%) MBA
12 16 (0.64%) GIAC
13 15 (0.60%) CCNA
13 15 (0.60%) DV Cleared
14 13 (0.52%) ISTQB
15 12 (0.48%) AWS Certification
15 12 (0.48%) CISM
15 12 (0.48%) GCIH
16 11 (0.44%) GSEC
17 9 (0.36%) OSCP
Quality Assurance & Compliance
1 148 (5.88%) QA
2 20 (0.80%) Data Quality
3 16 (0.64%) ISO/IEC 27001
4 15 (0.60%) GCP
4 15 (0.60%) PSD2
5 14 (0.56%) SLA
6 10 (0.40%) ISO 14001
7 9 (0.36%) Cyber Essentials
7 9 (0.36%) Cyber Essentials PLUS
7 9 (0.36%) ISO 9001
8 6 (0.24%) GDPR
9 5 (0.20%) SEPA
10 4 (0.16%) OIPF
11 2 (0.080%) PMO
11 2 (0.080%) Sarbanes-Oxley
11 2 (0.080%) WAI
12 1 (0.040%) COBIT
12 1 (0.040%) ISO 20022
12 1 (0.040%) PCI DSS
System Software
1 421 (16.74%) Docker
2 47 (1.87%) Virtual Machines
3 43 (1.71%) VMware Infrastructure
4 23 (0.91%) Active Directory
5 20 (0.80%) iptables
6 19 (0.76%) Apache Flume
6 19 (0.76%) VMware ESXi
6 19 (0.76%) vSphere
7 18 (0.72%) HDFS
7 18 (0.72%) Hyper-V
7 18 (0.72%) KVM
8 14 (0.56%) Varnish
9 12 (0.48%) Apache ZooKeeper
10 10 (0.40%) Ceph
11 9 (0.36%) Kamailio
12 8 (0.32%) Firmware
13 5 (0.20%) NFS
14 4 (0.16%) VirtualBox
14 4 (0.16%) XenApp
15 2 (0.080%) Virtual Servers
Systems Management
1 393 (15.63%) Ansible
2 324 (12.88%) Opscode Chef
3 320 (12.72%) Puppet
4 230 (9.15%) Kubernetes
5 149 (5.92%) Terraform
6 79 (3.14%) Salt
7 47 (1.87%) Nagios
8 40 (1.59%) Packer
9 32 (1.27%) Grafana
10 30 (1.19%) Icinga
11 27 (1.07%) Consul
11 27 (1.07%) Mesos
12 26 (1.03%) Docker Swarm
13 23 (0.91%) Kibana
14 21 (0.83%) Cacti
14 21 (0.83%) SELinux
15 14 (0.56%) HAProxy
15 14 (0.56%) logstash
16 9 (0.36%) Graphite
17 8 (0.32%) Hadoop YARN
Vendors
1 230 (9.15%) Google
2 185 (7.36%) Microsoft
3 168 (6.68%) Oracle
4 123 (4.89%) Red Hat
5 104 (4.14%) IBM
6 66 (2.62%) VMware
7 49 (1.95%) Cisco
8 41 (1.63%) Tableau
9 38 (1.51%) New Relic
9 38 (1.51%) Teradata
10 37 (1.47%) SAP
11 30 (1.19%) Sybase
12 29 (1.15%) Splunk
13 27 (1.07%) Arqiva
13 27 (1.07%) BT
13 27 (1.07%) Cloudera
14 24 (0.95%) Salesforce.com
15 23 (0.91%) Apple
15 23 (0.91%) Netezza
16 22 (0.87%) Hortonworks