Period
to 26 September 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 26 September 2018 with a comparison to the same period in the previous 2 years.

Open Source
England > London
6 months to
26 Sep 2018
Same period 2017 Same period 2016
Rank 87 94 84
Rank change year-on-year +7 -10 +7
Permanent jobs citing Open Source 2,467 2,556 2,855
As % of all permanent IT jobs advertised in London 3.59% 3.39% 3.64%
As % of the Processes & Methodologies category 3.91% 3.65% 3.95%
Number of salaries quoted 1,791 2,135 2,447
London median annual salary £70,000 £70,000 £65,000
Median salary % change year-on-year - +7.69% +8.33%
10th Percentile £42,500 £41,450 £41,250
90th Percentile £95,000 £95,000 £91,250
England median annual salary £60,000 £57,500 £57,500
% change year-on-year +4.35% - +9.52%

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 63,073 69,966 72,199
As % of all permanent IT jobs advertised in London 91.73% 92.79% 92.15%
Number of salaries quoted 50,474 53,535 62,509
London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £35,000 £35,000 £33,548
90th Percentile £95,000 £90,000 £87,500
England median annual salary £50,000 £50,000 £50,000

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 26 September 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 26 September 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 +13 414 £67,500 +8.00% 96
South London +15 63 £70,000 +47.37% 12
West London -39 63 £57,500 -14.81% 43
East London +13 47 £48,000 -41.82% 26
North London -1 6 £65,000 -13.33% 3
Open Source
England

For the 6 months to 26 September 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 1,349 (54.68%) Agile Software Development
2 1,208 (48.97%) Java
3 820 (33.24%) DevOps
4 789 (31.98%) Finance
5 746 (30.24%) Python
6 720 (29.19%) JavaScript
7 702 (28.46%) Amazon AWS
8 664 (26.92%) Linux
9 595 (24.12%) Software Engineering
10 567 (22.98%) SQL
11 550 (22.29%) C#
12 511 (20.71%) Degree
13 498 (20.19%) Docker
14 486 (19.70%) Microservices
15 425 (17.23%) Jenkins
16 424 (17.19%) Continuous Integration
17 415 (16.82%) TDD
18 393 (15.93%) Test Automation
19 376 (15.24%) Microsoft Azure
19 376 (15.24%) Scrum
20 374 (15.16%) .NET
21 359 (14.55%) Big Data
21 359 (14.55%) Problem-Solving
22 355 (14.39%) HTML
23 354 (14.35%) Ansible
24 341 (13.82%) Git (software)
25 340 (13.78%) AngularJS
26 329 (13.34%) Computer Science
27 326 (13.21%) Puppet
28 324 (13.13%) Banking

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
1 168 (6.81%) Apache
2 155 (6.28%) Apache Spark
3 120 (4.86%) Elasticsearch
4 101 (4.09%) OpenStack
5 80 (3.24%) CMS
5 80 (3.24%) Tomcat
6 58 (2.35%) WebSphere
7 56 (2.27%) WebLogic
8 55 (2.23%) Oracle SOA Suite
9 47 (1.91%) JBoss
10 45 (1.82%) Confluence
11 44 (1.78%) IIS
12 29 (1.18%) Cloud Foundry
13 28 (1.13%) Drupal
14 27 (1.09%) nginx
15 26 (1.05%) Apache Solr
16 21 (0.85%) Ethereum
17 19 (0.77%) WordPress
18 15 (0.61%) SAS
19 13 (0.53%) Mule
Applications
1 27 (1.09%) Microsoft Excel
2 12 (0.49%) Microsoft Office
2 12 (0.49%) Microsoft PowerPoint
3 11 (0.45%) SPSS
4 8 (0.32%) MS Visio
5 7 (0.28%) Microsoft Project
6 5 (0.20%) Chatbot
7 4 (0.16%) Gephi
8 2 (0.081%) Open Workbench
9 1 (0.041%) ProjectWise
9 1 (0.041%) Revit
9 1 (0.041%) Snapchat
Business Applications
1 16 (0.65%) Dynamics CRM
2 11 (0.45%) Dynamics AX
2 11 (0.45%) Dynamics NAV
3 7 (0.28%) Actimize
3 7 (0.28%) Distributed Ledger
4 6 (0.24%) Oracle Procure-to-Pay
4 6 (0.24%) Sentinel
5 2 (0.081%) Magento
5 2 (0.081%) Payment Gateway
5 2 (0.081%) SAP S/4HANA
6 1 (0.041%) OpenCart
6 1 (0.041%) osCommerce
6 1 (0.041%) Quorum
6 1 (0.041%) R3 Corda
6 1 (0.041%) SAP ERP
Cloud Services
1 702 (28.46%) Amazon AWS
2 376 (15.24%) Microsoft Azure
3 190 (7.70%) Google Cloud Platform
4 124 (5.03%) GitHub
5 116 (4.70%) Serverless
6 106 (4.30%) PaaS
7 90 (3.65%) SaaS
8 89 (3.61%) Cloud Computing
9 65 (2.63%) IaaS
10 50 (2.03%) Amazon EC2
11 47 (1.91%) Amazon S3
12 40 (1.62%) AWS CloudFormation
13 39 (1.58%) AWS Lambda
14 38 (1.54%) OpenShift
15 30 (1.22%) Office 365
16 29 (1.18%) IBM Cloud
17 25 (1.01%) Virtual Private Cloud
18 21 (0.85%) Cortana Intelligence Suite
19 18 (0.73%) Heroku
20 15 (0.61%) npm
Communications & Networking
1 150 (6.08%) Firewall
2 70 (2.84%) HTTP
3 57 (2.31%) TCP/IP
4 56 (2.27%) DNS
4 56 (2.27%) Internet
5 33 (1.34%) VPN
6 24 (0.97%) DHCP
6 24 (0.97%) Network Security
7 23 (0.93%) WAN
8 21 (0.85%) LAN
9 19 (0.77%) FTP
9 19 (0.77%) SMS
10 17 (0.69%) Intranet
11 15 (0.61%) SSH
12 14 (0.57%) Intrusion Detection
12 14 (0.57%) OpenVPN
12 14 (0.57%) OPNsense
13 13 (0.53%) Anycast
13 13 (0.53%) Quagga
14 12 (0.49%) BGP
Database & Business Intelligence
1 359 (14.55%) Big Data
2 317 (12.85%) NoSQL
3 229 (9.28%) MongoDB
4 226 (9.16%) SQL Server
5 186 (7.54%) MySQL
6 181 (7.34%) PostgreSQL
7 153 (6.20%) Hadoop
8 134 (5.43%) Relational Database
9 111 (4.50%) Apache Cassandra
10 85 (3.45%) Redis
11 81 (3.28%) Blockchain
12 56 (2.27%) Apache Hive
13 46 (1.86%) Neo4j
14 42 (1.70%) Data Warehouse
15 41 (1.66%) RDBMS
16 39 (1.58%) Amazon DynamoDB
17 38 (1.54%) DB2
18 31 (1.26%) Amazon RDS
19 30 (1.22%) Data Lake
20 27 (1.09%) Azure SQL Database
Development Applications
1 425 (17.23%) Jenkins
2 341 (13.82%) Git (software)
3 142 (5.76%) Selenium
4 134 (5.43%) JIRA
5 133 (5.39%) Cucumber
6 129 (5.23%) TeamCity
7 118 (4.78%) JUnit
8 113 (4.58%) Maven
9 79 (3.20%) Subversion
10 74 (3.00%) Atlassian Bamboo
11 70 (2.84%) SpecFlow
12 65 (2.63%) WebDriver
13 61 (2.47%) Octopus Deploy
14 58 (2.35%) Vagrant
15 56 (2.27%) Appium
15 56 (2.27%) Gradle
16 55 (2.23%) NUnit
16 55 (2.23%) Visual Studio
17 51 (2.07%) gulp
18 42 (1.70%) Grunt
General
1 789 (31.98%) Finance
2 324 (13.13%) Banking
3 194 (7.86%) Financial Institution
4 163 (6.61%) Investment Banking
5 141 (5.72%) Games
6 103 (4.18%) Marketing
7 94 (3.81%) Retail
8 89 (3.61%) Front Office
9 63 (2.55%) Telecoms
10 60 (2.43%) Law
11 58 (2.35%) Legal
12 43 (1.74%) Advertising
13 18 (0.73%) Back Office
14 12 (0.49%) Manufacturing
15 9 (0.36%) Aerospace
15 9 (0.36%) Automotive
15 9 (0.36%) Publishing
16 7 (0.28%) Multimedia
17 5 (0.20%) Electronics
17 5 (0.20%) Military
Job Titles
1 994 (40.29%) Developer
2 273 (11.07%) Architect
3 256 (10.38%) Java Developer
4 220 (8.92%) Software Engineer
5 207 (8.39%) DevOps Engineer
6 164 (6.65%) Senior Developer
7 140 (5.67%) Solutions Architect
8 138 (5.59%) Software Developer
9 135 (5.47%) .NET Developer
10 119 (4.82%) C# Developer
11 111 (4.50%) Analyst
12 100 (4.05%) JavaScript Developer
13 98 (3.97%) Java Engineer
14 87 (3.53%) Lead Developer
15 84 (3.40%) C# .NET Developer
16 78 (3.16%) Full Stack Developer
16 78 (3.16%) Java Software Engineer
17 76 (3.08%) Consultant
18 74 (3.00%) Developer in Test
19 71 (2.88%) Front End Developer (Client-Side Developer)
Libraries, Frameworks & Software Standards
1 374 (15.16%) .NET
2 355 (14.39%) HTML
3 340 (13.78%) AngularJS
4 322 (13.05%) React
5 303 (12.28%) REST
6 298 (12.08%) Node.js
7 296 (12.00%) Web Services
8 290 (11.76%) Spring
9 280 (11.35%) CSS
10 229 (9.28%) RESTful
11 207 (8.39%) Kafka
12 203 (8.23%) HTML5
13 152 (6.16%) ASP.NET Web API
14 146 (5.92%) ASP.NET
15 139 (5.63%) JSON
16 130 (5.27%) XML
17 122 (4.95%) Spring Boot
18 103 (4.18%) Java EE
19 98 (3.97%) CSS3
20 94 (3.81%) SOAP
Miscellaneous
1 329 (13.34%) Computer Science
2 222 (9.00%) Analytical Skills
3 166 (6.73%) User Experience
4 161 (6.53%) Fintech
4 161 (6.53%) Greenfield Project
5 147 (5.96%) Cyberthreat
6 128 (5.19%) Self-Motivation
7 121 (4.90%) Mobile App
8 120 (4.86%) Algorithms
9 105 (4.26%) Fixed Income
10 103 (4.18%) Data Structures
11 102 (4.13%) Blog
12 86 (3.49%) Enterprise Software
13 83 (3.36%) Data Centre
14 80 (3.24%) Public Cloud
15 75 (3.04%) Hedge funds
16 56 (2.27%) Management Information System
17 48 (1.95%) Derivative
18 40 (1.62%) Cloud Native
19 38 (1.54%) Foreign Exchange (FX)
Operating Systems
1 664 (26.92%) Linux
2 240 (9.73%) Windows
3 208 (8.43%) Unix
4 88 (3.57%) CentOS
5 70 (2.84%) Red Hat Enterprise Linux
6 56 (2.27%) Android
7 53 (2.15%) Ubuntu
8 47 (1.91%) Apple iOS
9 40 (1.62%) Debian
10 15 (0.61%) VMS
11 14 (0.57%) FreeBSD
11 14 (0.57%) HPUX
12 13 (0.53%) Windows Server 2008
13 12 (0.49%) Windows Server
13 12 (0.49%) Windows Server 2003
14 10 (0.41%) Windows Server 2012
15 9 (0.36%) AIX
15 9 (0.36%) Mesosphere
15 9 (0.36%) Windows 7
15 9 (0.36%) Windows XP
Processes & Methodologies
1 1,349 (54.68%) Agile Software Development
2 820 (33.24%) DevOps
3 595 (24.12%) Software Engineering
4 486 (19.70%) Microservices
5 424 (17.19%) Continuous Integration
6 415 (16.82%) TDD
7 393 (15.93%) Test Automation
8 376 (15.24%) Scrum
9 359 (14.55%) Problem-Solving
10 307 (12.44%) BDD
11 278 (11.27%) OO
12 245 (9.93%) Mentoring
13 231 (9.36%) Configuration Management
14 229 (9.28%) SDLC
15 187 (7.58%) MVC
16 177 (7.17%) Low Latency
17 174 (7.05%) Continuous Delivery
18 170 (6.89%) Analytics
19 167 (6.77%) Web Development
20 164 (6.65%) Investment Management
Programming Languages
1 1,208 (48.97%) Java
2 746 (30.24%) Python
3 720 (29.19%) JavaScript
4 567 (22.98%) SQL
5 550 (22.29%) C#
6 277 (11.23%) Ruby
7 212 (8.59%) C++
8 198 (8.03%) PHP
9 191 (7.74%) Scala
10 155 (6.28%) Go
11 151 (6.12%) Java 8
12 148 (6.00%) PowerShell
13 147 (5.96%) Bash Shell
14 108 (4.38%) ES6
15 88 (3.57%) Perl
16 79 (3.20%) C
17 66 (2.68%) Kotlin
18 45 (1.82%) T-SQL
19 41 (1.66%) Groovy
20 39 (1.58%) R
Qualifications
1 511 (20.71%) Degree
2 159 (6.45%) Computer Science Degree
3 96 (3.89%) Security Cleared
4 83 (3.36%) SC Cleared
5 73 (2.96%) Master's Degree
6 39 (1.58%) CISSP
7 31 (1.26%) CISM
8 26 (1.05%) PhD
9 20 (0.81%) RHCE
10 16 (0.65%) ISTQB
10 16 (0.65%) ISTQB Foundation Certification
11 15 (0.61%) DV Cleared
11 15 (0.61%) ISEB
12 14 (0.57%) RHCA
13 11 (0.45%) Numerate Degree
14 9 (0.36%) CEH
15 8 (0.32%) AWS Certification
15 8 (0.32%) BPSS Clearance
15 8 (0.32%) OSCP
16 7 (0.28%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 219 (8.88%) QA
2 27 (1.09%) Data Quality
3 26 (1.05%) GDPR
4 19 (0.77%) MiFID
5 13 (0.53%) PSD2
6 10 (0.41%) SLA
7 7 (0.28%) PCI DSS
8 6 (0.24%) ISO/IEC 20000
9 5 (0.20%) ISO/IEC 27001
10 3 (0.12%) Cyber Essentials
11 2 (0.081%) COBIT
11 2 (0.081%) SEPA
12 1 (0.041%) HL7
12 1 (0.041%) ISO 9001
12 1 (0.041%) OASIS TOSCA
System Software
1 498 (20.19%) Docker
2 67 (2.72%) Active Directory
3 46 (1.86%) VMware Infrastructure
4 38 (1.54%) HDFS
5 29 (1.18%) KVM
6 23 (0.93%) iptables
7 22 (0.89%) Snort
8 19 (0.77%) pfSense
8 19 (0.77%) Virtual Machines
9 17 (0.69%) NFS
10 15 (0.61%) Hyper-V
11 14 (0.57%) Samba
11 14 (0.57%) VMware ESXi
12 10 (0.41%) Apache ZooKeeper
13 8 (0.32%) QEMU
13 8 (0.32%) Virtual Desktop
14 6 (0.24%) Postfix
15 5 (0.20%) Varnish
15 5 (0.20%) Virtual Servers
16 4 (0.16%) Apache Flume
Systems Management
1 354 (14.35%) Ansible
2 326 (13.21%) Puppet
3 314 (12.73%) Kubernetes
4 267 (10.82%) Opscode Chef
5 188 (7.62%) Terraform
6 97 (3.93%) Salt
7 57 (2.31%) ZABBIX
8 47 (1.91%) Nagios
9 42 (1.70%) Consul
10 41 (1.66%) Docker Swarm
11 37 (1.50%) Packer
12 31 (1.26%) Kibana
13 30 (1.22%) Grafana
14 27 (1.09%) Graphite
15 23 (0.93%) Oozie
16 21 (0.85%) Prometheus
17 20 (0.81%) Opsview
18 19 (0.77%) OSSEC
19 18 (0.73%) Mesos
20 10 (0.41%) logstash
Vendors
1 249 (10.09%) Microsoft
2 196 (7.94%) Google
3 151 (6.12%) Oracle
4 105 (4.26%) Red Hat
5 76 (3.08%) VMware
6 55 (2.23%) IBM
7 44 (1.78%) SaltStack
8 39 (1.58%) Splunk
9 35 (1.42%) Atlassian
10 33 (1.34%) Foundry
11 32 (1.30%) Cisco
11 32 (1.30%) TIBCO
12 28 (1.13%) SAP
13 25 (1.01%) Sitecore
14 19 (0.77%) BEA
14 19 (0.77%) SolarWinds
14 19 (0.77%) Tableau
15 18 (0.73%) Citrix
16 17 (0.69%) Facebook
16 17 (0.69%) Sybase