Period
to 23 November 2017

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 23 November 2017 with a comparison to the same period in the previous 2 years.

Open Source
England > London
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 90 85 93
Rank change year-on-year -5 +8 +6
Permanent jobs citing Open Source 2701 2691 2870
As % of all permanent IT jobs advertised in London 3.60% 3.54% 3.24%
As % of the Processes & Methodologies category 3.92% 3.90% 3.61%
Number of salaries quoted 2243 2278 2355
London median annual salary £67,500 £65,000 £60,000
Median salary % change year-on-year +3.85% +8.33% +9.09%
10th Percentile £41,250 £41,250 £37,500
90th Percentile £95,000 £93,750 £85,000
England median annual salary £57,500 £57,500 £55,000
% change year-on-year - +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 68818 68936 79416
As % of all permanent IT jobs advertised in London 91.60% 90.67% 89.58%
Number of salaries quoted 53025 59292 66921
London median annual salary £60,000 £58,000 £55,000
Median salary % change year-on-year +3.45% +5.45% -
10th Percentile £35,000 £33,750 £33,000
90th Percentile £90,000 £88,750 £86,250
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 23 November 2017.

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 23 November 2017. 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 +1 395 £65,000 +5.92% 64
West London -12 112 £62,500 +8.70% 17
South London +49 81 £47,500 -40.63% 5
East London +3 21 £75,000 +53.85% 8
North London +9 12 £82,500 +37.50% 1
Open Source
England

For the 6 months to 23 November 2017, IT jobs citing Open Source also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for Open Source.

1 1539 (56.98%) Agile Software Development
2 1275 (47.20%) Java
3 903 (33.43%) DevOps
4 862 (31.91%) Python
5 832 (30.80%) Finance
6 765 (28.32%) Linux
7 738 (27.32%) JavaScript
8 702 (25.99%) Amazon AWS
9 565 (20.92%) Continuous Integration
10 549 (20.33%) SQL
11 546 (20.21%) Scrum
12 530 (19.62%) Software Engineering
13 515 (19.07%) TDD
14 504 (18.66%) Microservices
15 488 (18.07%) Degree
16 462 (17.10%) .NET
17 449 (16.62%) HTML
18 448 (16.59%) C#
19 445 (16.48%) Jenkins
20 417 (15.44%) Ansible
21 403 (14.92%) Git (software)
22 384 (14.22%) Big Data
23 382 (14.14%) Docker
24 378 (13.99%) CSS
25 377 (13.96%) NoSQL
26 371 (13.74%) Banking
27 352 (13.03%) Puppet
27 352 (13.03%) AngularJS
28 348 (12.88%) Node.js
29 343 (12.70%) Computer Science

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
1 241 (8.92%) Apache Spark
2 223 (8.26%) Apache
3 189 (7.00%) Tomcat
4 128 (4.74%) Elasticsearch
5 106 (3.92%) nginx
6 102 (3.78%) WebSphere
7 83 (3.07%) CMS
8 67 (2.48%) Apache Solr
8 67 (2.48%) OpenStack
9 55 (2.04%) Cloud Foundry
10 52 (1.93%) Ethereum
11 46 (1.70%) JBoss
12 43 (1.59%) SAS
13 38 (1.41%) WebLogic
14 37 (1.37%) Oracle SOA Suite
15 34 (1.26%) Hyperledger
16 33 (1.22%) Confluence
17 27 (1.00%) Drupal
18 24 (0.89%) Apache Geronimo
18 24 (0.89%) WildFly
Applications
1 29 (1.07%) SPSS
2 16 (0.59%) Microsoft Office
3 8 (0.30%) Adobe Creative Suite
4 5 (0.19%) Photoshop
5 2 (0.074%) Chatbot
5 2 (0.074%) HipChat
5 2 (0.074%) MS Visio
6 1 (0.037%) AutoCAD
6 1 (0.037%) LaTeX
6 1 (0.037%) Microsoft Excel
6 1 (0.037%) Microsoft Project
Business Applications
1 19 (0.70%) Magento
2 11 (0.41%) BusinessWorks
2 11 (0.41%) TIBCO BusinessEvents
3 10 (0.37%) R3 Corda
4 3 (0.11%) Dynamics CRM
5 2 (0.074%) MetaTrader
5 2 (0.074%) NetSuite
5 2 (0.074%) Oracle EBS
5 2 (0.074%) Oracle ERP
5 2 (0.074%) Oracle Payables
5 2 (0.074%) Payment Gateway
5 2 (0.074%) Sentinel
6 1 (0.037%) Academy Revenues and Benefits
6 1 (0.037%) Dynamics AX
6 1 (0.037%) Dynamics NAV
6 1 (0.037%) Eikon
6 1 (0.037%) ION MarketView
6 1 (0.037%) Salesforce.com CRM
Cloud Services
1 702 (25.99%) Amazon AWS
2 307 (11.37%) Microsoft Azure
3 185 (6.85%) GitHub
4 148 (5.48%) SaaS
5 113 (4.18%) PaaS
6 91 (3.37%) Cloud Computing
7 73 (2.70%) IaaS
8 56 (2.07%) npm
9 54 (2.00%) Google Cloud Platform
10 46 (1.70%) Amazon EC2
11 38 (1.41%) AWS CloudFormation
12 36 (1.33%) Google Play
13 27 (1.00%) Amazon EMR
14 25 (0.93%) OpenShift
15 24 (0.89%) Serverless
16 21 (0.78%) Amazon S3
17 18 (0.67%) AWS Lambda
18 17 (0.63%) Heroku
19 15 (0.56%) Amazon Kinesis
20 14 (0.52%) Amazon ElastiCache
Communications & Networking
1 107 (3.96%) TCP/IP
2 98 (3.63%) DNS
3 82 (3.04%) Internet
4 73 (2.70%) Firewall
5 66 (2.44%) HTTP
6 42 (1.55%) Network Security
7 38 (1.41%) SAN
8 28 (1.04%) DHCP
9 24 (0.89%) Cisco ASA
10 23 (0.85%) VPN
11 18 (0.67%) Wireless
12 16 (0.59%) Broadband
13 15 (0.56%) Cisco Nexus
13 15 (0.56%) Multicast
13 15 (0.56%) NAS
13 15 (0.56%) SMPP
14 14 (0.52%) Ethernet
14 14 (0.52%) LAN
14 14 (0.52%) LDAP
15 12 (0.44%) OSPF
Database & Business Intelligence
1 384 (14.22%) Big Data
2 377 (13.96%) NoSQL
3 313 (11.59%) Hadoop
4 288 (10.66%) MySQL
5 274 (10.14%) MongoDB
6 217 (8.03%) Relational Database
7 199 (7.37%) SQL Server
8 181 (6.70%) Apache Cassandra
8 181 (6.70%) PostgreSQL
9 116 (4.29%) RDBMS
10 89 (3.30%) Data Warehouse
11 85 (3.15%) Redis
12 81 (3.00%) Blockchain
13 61 (2.26%) HBase
14 47 (1.74%) Amazon RDS
15 45 (1.67%) Apache Hive
16 44 (1.63%) Amazon Redshift
16 44 (1.63%) Neo4j
17 41 (1.52%) Amazon DynamoDB
18 26 (0.96%) Sqoop
Development Applications
1 445 (16.48%) Jenkins
2 403 (14.92%) Git (software)
3 210 (7.77%) TeamCity
4 193 (7.15%) JUnit
5 183 (6.78%) Maven
6 173 (6.41%) Selenium
7 143 (5.29%) Atlassian Bamboo
8 134 (4.96%) JIRA
8 134 (4.96%) Octopus Deploy
9 124 (4.59%) MSBuild
10 96 (3.55%) Hudson
11 95 (3.52%) Gradle
12 91 (3.37%) Jasmine
13 90 (3.33%) Cucumber
14 79 (2.92%) Subversion
15 73 (2.70%) TestNG
16 71 (2.63%) gulp
17 66 (2.44%) Travis CI
18 57 (2.11%) WebDriver
19 49 (1.81%) Protractor
General
1 832 (30.80%) Finance
2 371 (13.74%) Banking
3 150 (5.55%) Telecoms
4 143 (5.29%) Retail
5 140 (5.18%) Marketing
6 79 (2.92%) Games
7 73 (2.70%) Electronics
8 70 (2.59%) Advertising
8 70 (2.59%) Manufacturing
9 55 (2.04%) Publishing
10 37 (1.37%) Front Office
11 29 (1.07%) Financial Institution
11 29 (1.07%) Legal
12 28 (1.04%) Law
13 21 (0.78%) Investment Banking
14 16 (0.59%) Back Office
15 10 (0.37%) Pharmaceutical
16 8 (0.30%) Automotive
16 8 (0.30%) Multimedia
16 8 (0.30%) Music Industry
Job Titles
1 1075 (39.80%) Developer
2 300 (11.11%) Java Developer
3 245 (9.07%) Architect
4 243 (9.00%) DevOps Engineer
5 224 (8.29%) Senior Developer
6 190 (7.03%) Software Engineer
7 144 (5.33%) .NET Developer
8 140 (5.18%) C# Developer
9 118 (4.37%) Agile Developer
10 114 (4.22%) C# .NET Developer
11 111 (4.11%) Python Developer
12 107 (3.96%) Lead Developer
13 102 (3.78%) Java Engineer
14 90 (3.33%) Full Stack Developer
15 89 (3.30%) JavaScript Developer
16 87 (3.22%) Consultant
17 86 (3.18%) Front End Developer (Client-Side Developer)
18 85 (3.15%) Solutions Architect
19 82 (3.04%) Analyst
19 82 (3.04%) Software Developer
Libraries, Frameworks & Software Standards
1 462 (17.10%) .NET
2 449 (16.62%) HTML
3 378 (13.99%) CSS
4 352 (13.03%) AngularJS
5 348 (12.88%) Node.js
6 305 (11.29%) Spring
7 302 (11.18%) RESTful
8 290 (10.74%) REST
9 286 (10.59%) Web Services
10 236 (8.74%) HTML5
11 221 (8.18%) React
12 190 (7.03%) ASP.NET
13 151 (5.59%) Kafka
14 140 (5.18%) ASP.NET Web API
15 134 (4.96%) Hibernate
16 129 (4.78%) J2EE
17 117 (4.33%) CSS3
18 112 (4.15%) HATEOAS
19 100 (3.70%) LAMP
20 95 (3.52%) RabbitMQ
Miscellaneous
1 343 (12.70%) Computer Science
2 255 (9.44%) Greenfield Project
3 243 (9.00%) Analytical Skills
4 211 (7.81%) Fintech
5 174 (6.44%) User Experience
6 142 (5.26%) Algorithms
6 142 (5.26%) Online Banking
7 125 (4.63%) Mobile App
8 123 (4.55%) Enterprise Software
9 78 (2.89%) Data Centre
10 56 (2.07%) Linux Command Line
11 54 (2.00%) Data Structures
12 50 (1.85%) Client/Server
13 43 (1.59%) Public Cloud
14 39 (1.44%) Management Information System
15 35 (1.30%) Fixed Income
16 31 (1.15%) Hedge funds
17 27 (1.00%) BBC
17 27 (1.00%) STB
18 26 (0.96%) Cloud Native
Operating Systems
1 765 (28.32%) Linux
2 225 (8.33%) Unix
3 187 (6.92%) Windows
4 120 (4.44%) CentOS
5 116 (4.29%) Ubuntu
6 101 (3.74%) Android
7 91 (3.37%) Apple iOS
8 54 (2.00%) Red Hat Enterprise Linux
9 31 (1.15%) Windows Server
10 20 (0.74%) Debian
11 16 (0.59%) Mac OS X
12 13 (0.48%) Kali Linux
13 12 (0.44%) VMS
14 10 (0.37%) Fedora
15 8 (0.30%) Embedded Linux
16 7 (0.26%) Solaris
17 6 (0.22%) CoreOS
17 6 (0.22%) Windows 7
18 5 (0.19%) Windows Server 2008
19 4 (0.15%) SUSE
Processes & Methodologies
1 1539 (56.98%) Agile Software Development
2 903 (33.43%) DevOps
3 565 (20.92%) Continuous Integration
4 546 (20.21%) Scrum
5 530 (19.62%) Software Engineering
6 515 (19.07%) TDD
7 504 (18.66%) Microservices
8 304 (11.26%) BDD
9 303 (11.22%) Test Automation
10 302 (11.18%) Analytics
11 291 (10.77%) Mentoring
12 285 (10.55%) Configuration Management
13 242 (8.96%) OO
14 192 (7.11%) Business Intelligence
15 184 (6.81%) E-Commerce
16 183 (6.78%) SDLC
16 183 (6.78%) SOA
17 164 (6.07%) Machine Learning
18 158 (5.85%) Domain-Driven Design
19 157 (5.81%) CQRS
Programming Languages
1 1275 (47.20%) Java
2 862 (31.91%) Python
3 738 (27.32%) JavaScript
4 549 (20.33%) SQL
5 448 (16.59%) C#
6 283 (10.48%) Ruby
7 272 (10.07%) PHP
8 260 (9.63%) Scala
9 247 (9.14%) C++
10 188 (6.96%) Go
11 166 (6.15%) C
12 162 (6.00%) PowerShell
13 144 (5.33%) Bash Shell
14 128 (4.74%) Perl
15 106 (3.92%) Shell Script
16 95 (3.52%) R
17 91 (3.37%) Groovy
18 74 (2.74%) ES6
19 54 (2.00%) TypeScript
20 49 (1.81%) Clojure
Qualifications
1 488 (18.07%) Degree
2 218 (8.07%) Computer Science Degree
3 108 (4.00%) Security Cleared
4 77 (2.85%) Master's Degree
5 66 (2.44%) SC Cleared
6 38 (1.41%) DV Cleared
7 24 (0.89%) PhD
8 22 (0.81%) CEH
8 22 (0.81%) CISSP
8 22 (0.81%) ISTQB
9 19 (0.70%) GIAC
10 17 (0.63%) GSEC
11 15 (0.56%) MBA
12 12 (0.44%) Cisco Certification
12 12 (0.44%) Numerate Degree
13 11 (0.41%) CISM
14 8 (0.30%) CHECK Team Leader
15 7 (0.26%) CCNP
15 7 (0.26%) CREST Certified
15 7 (0.26%) ITIL Certification
Quality Assurance & Compliance
1 157 (5.81%) QA
2 21 (0.78%) Data Quality
3 13 (0.48%) SLA
4 12 (0.44%) GCP
4 12 (0.44%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
5 8 (0.30%) GDPR
5 8 (0.30%) ISO/IEC 27001
6 7 (0.26%) PMO
7 5 (0.19%) PSD2
8 4 (0.15%) OIPF
8 4 (0.15%) SEPA
9 3 (0.11%) Sarbanes-Oxley
10 2 (0.074%) Cyber Essentials
10 2 (0.074%) ISO 14001
10 2 (0.074%) SSAE 16
10 2 (0.074%) WAI
11 1 (0.037%) COBIT
11 1 (0.037%) Cyber Essentials PLUS
11 1 (0.037%) ISO 9001
11 1 (0.037%) MiFID
System Software
1 382 (14.14%) Docker
2 65 (2.41%) Virtual Machines
3 63 (2.33%) VMware Infrastructure
4 49 (1.81%) Active Directory
5 34 (1.26%) VMware ESXi
6 28 (1.04%) Apache Flume
6 28 (1.04%) NFS
7 20 (0.74%) iptables
7 20 (0.74%) vSphere
8 19 (0.70%) Varnish
9 13 (0.48%) KVM
10 11 (0.41%) HDFS
11 10 (0.37%) Apache ZooKeeper
11 10 (0.37%) Ceph
12 8 (0.30%) etcd
12 8 (0.30%) Microsoft Virtual Server
12 8 (0.30%) Virtual Servers
13 6 (0.22%) Firmware
13 6 (0.22%) Hyper-V
13 6 (0.22%) Snort
Systems Management
1 417 (15.44%) Ansible
2 352 (13.03%) Puppet
3 295 (10.92%) Opscode Chef
4 187 (6.92%) Kubernetes
5 133 (4.92%) Terraform
6 86 (3.18%) Nagios
7 46 (1.70%) Salt
8 32 (1.18%) Grafana
9 31 (1.15%) Mesos
10 21 (0.78%) Nessus
11 20 (0.74%) Cacti
11 20 (0.74%) Icinga
11 20 (0.74%) Packer
12 19 (0.70%) Consul
13 16 (0.59%) SELinux
14 15 (0.56%) Nmap
14 15 (0.56%) Oozie
14 15 (0.56%) Prometheus
15 12 (0.44%) Docker Swarm
15 12 (0.44%) vCenter Server
Vendors
1 206 (7.63%) Microsoft
2 183 (6.78%) Oracle
3 177 (6.55%) Google
4 119 (4.41%) Red Hat
5 107 (3.96%) VMware
6 90 (3.33%) SAP
7 88 (3.26%) IBM
8 69 (2.55%) Cisco
9 43 (1.59%) Tableau
10 34 (1.26%) Citrix
11 33 (1.22%) HP
12 30 (1.11%) Cognizant
13 28 (1.04%) Cloudera
14 27 (1.00%) Arqiva
14 27 (1.00%) BT
14 27 (1.00%) hybris
15 25 (0.93%) Teradata
16 24 (0.89%) New Relic
17 23 (0.85%) Hortonworks
18 21 (0.78%) MuleSoft