Period
to 12 November 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 12 November 2018 with a comparison to the same period in the previous 2 years.

Open Source
England > London
6 months to
12 Nov 2018
Same period 2017 Same period 2016
Rank 89 89 87
Rank change year-on-year 0 -2 +7
Permanent jobs citing Open Source 2,358 2,698 2,713
As % of all permanent IT jobs advertised in London 3.53% 3.61% 3.57%
As % of the Processes & Methodologies category 3.85% 3.88% 3.88%
Number of salaries quoted 1,649 2,246 2,308
London median annual salary £70,000 £67,500 £65,000
Median salary % change year-on-year +3.70% +3.85% +8.33%
10th Percentile £41,900 £41,750 £41,250
90th Percentile £95,000 £95,000 £92,500
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 61,221 69,473 69,859
As % of all permanent IT jobs advertised in London 91.63% 92.83% 91.91%
Number of salaries quoted 49,505 53,400 60,194
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 £33,005
90th Percentile £95,000 £90,000 £87,925
England median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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 12 November 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 12 November 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 0 437 £70,000 +7.69% 100
West London -6 78 £60,000 -7.69% 71
South London -11 69 £70,000 +47.37% 20
East London +7 35 £60,000 -20.00% 31
North London -6 1 £70,000 -15.15% 5
Open Source
England

For the 6 months to 12 November 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 1,272 (53.94%) Agile Software Development
2 1,116 (47.33%) Java
3 826 (35.03%) DevOps
4 770 (32.65%) Python
5 723 (30.66%) Amazon AWS
6 702 (29.77%) JavaScript
7 677 (28.71%) Linux
7 677 (28.71%) Finance
8 566 (24.00%) SQL
9 555 (23.54%) Software Engineering
10 537 (22.77%) Docker
11 506 (21.46%) C#
12 463 (19.64%) Microservices
13 458 (19.42%) Continuous Integration
14 448 (19.00%) Degree
15 442 (18.74%) Jenkins
16 399 (16.92%) Microsoft Azure
17 381 (16.16%) TDD
18 378 (16.03%) Test Automation
19 371 (15.73%) Ansible
20 369 (15.65%) Kubernetes
21 361 (15.31%) Git (software)
22 356 (15.10%) Scrum
23 338 (14.33%) HTML
24 337 (14.29%) Puppet
25 330 (13.99%) .NET
26 327 (13.87%) AngularJS
27 310 (13.15%) Ruby
28 304 (12.89%) React
29 303 (12.85%) Node.js

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
1 167 (7.08%) Apache Spark
2 149 (6.32%) Apache
3 122 (5.17%) Elasticsearch
4 78 (3.31%) OpenStack
4 78 (3.31%) Tomcat
5 68 (2.88%) CMS
6 57 (2.42%) Confluence
7 53 (2.25%) WebLogic
8 51 (2.16%) WebSphere
9 50 (2.12%) IIS
10 36 (1.53%) Apache Solr
10 36 (1.53%) nginx
10 36 (1.53%) Oracle SOA Suite
11 29 (1.23%) Drupal
12 26 (1.10%) Cloud Foundry
12 26 (1.10%) JBoss
13 23 (0.98%) Ethereum
14 15 (0.64%) Mule
14 15 (0.64%) SharePoint
15 13 (0.55%) SAS
Applications
1 22 (0.93%) Microsoft Excel
2 12 (0.51%) Snapchat
3 9 (0.38%) Microsoft PowerPoint
3 9 (0.38%) Microsoft Project
3 9 (0.38%) MS Visio
3 9 (0.38%) SPSS
4 7 (0.30%) Chatbot
5 6 (0.25%) Microsoft Office
6 3 (0.13%) Open Workbench
7 2 (0.085%) Gephi
8 1 (0.042%) ProjectWise
8 1 (0.042%) Revit
Business Applications
1 18 (0.76%) Dynamics CRM
2 17 (0.72%) Actimize
3 11 (0.47%) Dynamics AX
3 11 (0.47%) Dynamics NAV
4 8 (0.34%) Distributed Ledger
5 7 (0.30%) Oracle Procure-to-Pay
6 4 (0.17%) Payment Gateway
7 3 (0.13%) Sentinel
8 2 (0.085%) Magento
8 2 (0.085%) Quorum
8 2 (0.085%) R3 Corda
8 2 (0.085%) SAP S/4HANA
9 1 (0.042%) OpenCart
9 1 (0.042%) Oracle BPM
9 1 (0.042%) osCommerce
9 1 (0.042%) SAP ERP
Cloud Services
1 723 (30.66%) Amazon AWS
2 399 (16.92%) Microsoft Azure
3 193 (8.18%) Google Cloud Platform
4 151 (6.40%) GitHub
5 124 (5.26%) Serverless
6 119 (5.05%) PaaS
7 107 (4.54%) Cloud Computing
8 105 (4.45%) SaaS
9 76 (3.22%) IaaS
10 62 (2.63%) AWS CloudFormation
11 50 (2.12%) OpenShift
12 43 (1.82%) Amazon EC2
12 43 (1.82%) Amazon S3
13 33 (1.40%) AWS Lambda
14 31 (1.31%) Slack
15 30 (1.27%) IBM Cloud
15 30 (1.27%) Virtual Private Cloud
16 27 (1.15%) Office 365
17 24 (1.02%) Heroku
18 23 (0.98%) Azure Active Directory
Communications & Networking
1 150 (6.36%) Firewall
2 72 (3.05%) HTTP
3 61 (2.59%) TCP/IP
4 50 (2.12%) Internet
5 46 (1.95%) DNS
6 38 (1.61%) VPN
7 33 (1.40%) Network Security
8 21 (0.89%) WAN
9 15 (0.64%) DHCP
9 15 (0.64%) LAN
9 15 (0.64%) OpenVPN
9 15 (0.64%) OPNsense
10 14 (0.59%) FTP
11 13 (0.55%) SMS
12 12 (0.51%) Intranet
13 10 (0.42%) Peer-to-Peer Networking
13 10 (0.42%) SSH
13 10 (0.42%) Wireless
14 9 (0.38%) Intrusion Detection
14 9 (0.38%) VLAN
Database & Business Intelligence
1 286 (12.13%) Big Data
2 269 (11.41%) NoSQL
3 217 (9.20%) SQL Server
4 187 (7.93%) PostgreSQL
5 176 (7.46%) MySQL
6 164 (6.96%) Hadoop
7 158 (6.70%) MongoDB
8 142 (6.02%) Relational Database
9 97 (4.11%) Redis
10 93 (3.94%) Apache Cassandra
11 77 (3.27%) Blockchain
12 58 (2.46%) Apache Hive
13 48 (2.04%) Data Warehouse
14 42 (1.78%) RDBMS
15 41 (1.74%) Amazon DynamoDB
16 36 (1.53%) Neo4j
17 34 (1.44%) Oracle Database
18 29 (1.23%) Amazon RDS
19 28 (1.19%) Azure SQL Database
20 25 (1.06%) HBase
Development Applications
1 442 (18.74%) Jenkins
2 361 (15.31%) Git (software)
3 139 (5.89%) TeamCity
4 131 (5.56%) JIRA
5 120 (5.09%) Cucumber
5 120 (5.09%) JUnit
6 109 (4.62%) Maven
7 104 (4.41%) Selenium
8 102 (4.33%) Atlassian Bamboo
9 75 (3.18%) Subversion
10 68 (2.88%) Gradle
11 66 (2.80%) Octopus Deploy
12 62 (2.63%) Team Foundation Server
12 62 (2.63%) Vagrant
13 59 (2.50%) SpecFlow
14 50 (2.12%) Bitbucket
15 49 (2.08%) Visual Studio
16 48 (2.04%) WebDriver
17 47 (1.99%) NUnit
18 45 (1.91%) Appium
General
1 677 (28.71%) Finance
2 216 (9.16%) Banking
3 157 (6.66%) Games
4 114 (4.83%) Marketing
5 106 (4.50%) Financial Institution
6 81 (3.44%) Investment Banking
6 81 (3.44%) Retail
7 66 (2.80%) Legal
8 62 (2.63%) Front Office
9 59 (2.50%) Law
10 58 (2.46%) Telecoms
11 31 (1.31%) Advertising
12 14 (0.59%) Publishing
13 13 (0.55%) Back Office
14 11 (0.47%) Aerospace
15 6 (0.25%) Manufacturing
15 6 (0.25%) Military
16 5 (0.21%) Billing
16 5 (0.21%) Multimedia
17 4 (0.17%) Digital Economy
Job Titles
1 947 (40.16%) Developer
2 264 (11.20%) Architect
3 236 (10.01%) Java Developer
4 215 (9.12%) DevOps Engineer
5 203 (8.61%) Software Engineer
6 149 (6.32%) Senior Developer
7 129 (5.47%) Software Developer
8 125 (5.30%) .NET Developer
9 115 (4.88%) C# Developer
10 112 (4.75%) Solutions Architect
11 106 (4.50%) JavaScript Developer
12 92 (3.90%) Analyst
13 87 (3.69%) Consultant
13 87 (3.69%) Lead Developer
14 86 (3.65%) C# .NET Developer
15 81 (3.44%) Full Stack Developer
15 81 (3.44%) Java Engineer
16 78 (3.31%) Developer in Test
17 69 (2.93%) Graduate
18 65 (2.76%) Linux Engineer
Libraries, Frameworks & Software Standards
1 338 (14.33%) HTML
2 330 (13.99%) .NET
3 327 (13.87%) AngularJS
4 304 (12.89%) React
5 303 (12.85%) Node.js
6 291 (12.34%) Web Services
7 282 (11.96%) CSS
7 282 (11.96%) REST
8 270 (11.45%) Spring
9 209 (8.86%) RESTful
10 206 (8.74%) HTML5
11 196 (8.31%) Kafka
12 144 (6.11%) ASP.NET Web API
13 143 (6.06%) XML
14 138 (5.85%) JSON
15 131 (5.56%) ASP.NET
16 120 (5.09%) Spring Boot
17 105 (4.45%) SOAP
18 97 (4.11%) CSS3
19 93 (3.94%) Java EE
Miscellaneous
1 300 (12.72%) Computer Science
2 174 (7.38%) User Experience
3 172 (7.29%) Analytical Skills
4 154 (6.53%) Greenfield Project
5 140 (5.94%) Self-Motivation
6 139 (5.89%) Fintech
7 121 (5.13%) Mobile App
8 120 (5.09%) Algorithms
9 109 (4.62%) Blog
10 95 (4.03%) Data Structures
11 82 (3.48%) Public Cloud
12 78 (3.31%) Cyberthreat
13 77 (3.27%) Enterprise Software
14 76 (3.22%) Data Centre
15 70 (2.97%) Hedge funds
16 61 (2.59%) Fixed Income
17 39 (1.65%) Cloud Native
17 39 (1.65%) Management Information System
18 38 (1.61%) Linux Command Line
19 35 (1.48%) Derivative
Operating Systems
1 677 (28.71%) Linux
2 256 (10.86%) Windows
3 207 (8.78%) Unix
4 89 (3.77%) CentOS
5 76 (3.22%) Android
6 71 (3.01%) Red Hat Enterprise Linux
7 64 (2.71%) Apple iOS
8 58 (2.46%) Ubuntu
9 39 (1.65%) Debian
10 22 (0.93%) Solaris
11 15 (0.64%) FreeBSD
11 15 (0.64%) Mesosphere
11 15 (0.64%) Windows Server
12 14 (0.59%) VMS
13 13 (0.55%) Windows Server 2008
14 12 (0.51%) CoreOS
15 10 (0.42%) Windows Server 2012
16 9 (0.38%) Windows Server 2003
17 8 (0.34%) Windows 7
18 7 (0.30%) Kali Linux
Processes & Methodologies
1 1,272 (53.94%) Agile Software Development
2 826 (35.03%) DevOps
3 555 (23.54%) Software Engineering
4 463 (19.64%) Microservices
5 458 (19.42%) Continuous Integration
6 381 (16.16%) TDD
7 378 (16.03%) Test Automation
8 356 (15.10%) Scrum
9 295 (12.51%) BDD
10 279 (11.83%) Problem-Solving
11 243 (10.31%) OO
12 240 (10.18%) Configuration Management
13 213 (9.03%) Mentoring
14 210 (8.91%) Continuous Delivery
15 194 (8.23%) SDLC
16 176 (7.46%) MVC
17 150 (6.36%) Web Development
18 147 (6.23%) Analytics
19 143 (6.06%) Front End Development
20 136 (5.77%) Machine Learning
Programming Languages
1 1,116 (47.33%) Java
2 770 (32.65%) Python
3 702 (29.77%) JavaScript
4 566 (24.00%) SQL
5 506 (21.46%) C#
6 310 (13.15%) Ruby
7 207 (8.78%) C++
8 206 (8.74%) Go
9 189 (8.02%) PHP
10 170 (7.21%) Scala
11 158 (6.70%) Bash Shell
12 155 (6.57%) PowerShell
13 116 (4.92%) Java 8
14 110 (4.66%) ES6
15 94 (3.99%) C
16 82 (3.48%) Perl
17 81 (3.44%) Kotlin
18 57 (2.42%) T-SQL
19 56 (2.37%) TypeScript
20 44 (1.87%) R
Qualifications
1 448 (19.00%) Degree
2 135 (5.73%) Computer Science Degree
3 109 (4.62%) Security Cleared
4 90 (3.82%) SC Cleared
5 57 (2.42%) Master's Degree
6 44 (1.87%) CISSP
7 32 (1.36%) CISM
8 31 (1.31%) RHCE
9 28 (1.19%) PhD
10 19 (0.81%) DV Cleared
11 17 (0.72%) Numerate Degree
11 17 (0.72%) RHCA
12 15 (0.64%) AWS Certification
13 14 (0.59%) RHCSA
14 13 (0.55%) Microsoft Certification
15 11 (0.47%) ISTQB
15 11 (0.47%) MCSA
16 10 (0.42%) BPSS Clearance
16 10 (0.42%) CEH
16 10 (0.42%) CREST Certified
Quality Assurance & Compliance
1 199 (8.44%) QA
2 45 (1.91%) GDPR
3 27 (1.15%) Data Quality
4 24 (1.02%) MiFID
5 10 (0.42%) ISO/IEC 20000
5 10 (0.42%) ISO/IEC 27001
6 7 (0.30%) PSD2
7 6 (0.25%) SLA
8 3 (0.13%) Cyber Essentials
9 2 (0.085%) COBIT
9 2 (0.085%) IFRS
9 2 (0.085%) ISO 9001
9 2 (0.085%) PCI DSS
9 2 (0.085%) SEPA
10 1 (0.042%) EMIR
10 1 (0.042%) HL7
10 1 (0.042%) ISO 20022
10 1 (0.042%) ISO 8583
10 1 (0.042%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 537 (22.77%) Docker
2 84 (3.56%) Active Directory
3 42 (1.78%) HDFS
4 36 (1.53%) VMware Infrastructure
5 27 (1.15%) Snort
6 23 (0.98%) KVM
7 22 (0.93%) pfSense
8 20 (0.85%) Virtual Machines
9 18 (0.76%) Hyper-V
9 18 (0.76%) NFS
10 15 (0.64%) etcd
10 15 (0.64%) iptables
10 15 (0.64%) Samba
11 13 (0.55%) VMware ESXi
12 12 (0.51%) Apache ZooKeeper
13 10 (0.42%) Varnish
14 8 (0.34%) Apache Flume
15 4 (0.17%) Postfix
15 4 (0.17%) SkyDNS
15 4 (0.17%) Virtual Desktop
Systems Management
1 371 (15.73%) Ansible
2 369 (15.65%) Kubernetes
3 337 (14.29%) Puppet
4 261 (11.07%) Opscode Chef
5 249 (10.56%) Terraform
6 95 (4.03%) Salt
7 53 (2.25%) Consul
8 51 (2.16%) Prometheus
8 51 (2.16%) ZABBIX
9 47 (1.99%) Grafana
10 46 (1.95%) Graphite
11 44 (1.87%) Nagios
11 44 (1.87%) Packer
12 43 (1.82%) Docker Swarm
13 32 (1.36%) Mesos
14 23 (0.98%) Kibana
14 23 (0.98%) Oozie
14 23 (0.98%) OSSEC
15 21 (0.89%) Opsview
16 17 (0.72%) Automic
Vendors
1 250 (10.60%) Microsoft
2 192 (8.14%) Google
3 158 (6.70%) Oracle
4 120 (5.09%) Red Hat
5 69 (2.93%) VMware
6 53 (2.25%) IBM
7 44 (1.87%) Splunk
8 40 (1.70%) Atlassian
9 35 (1.48%) Apple
9 35 (1.48%) SaltStack
10 33 (1.40%) Foundry
11 26 (1.10%) Cisco
11 26 (1.10%) SAP
11 26 (1.10%) Tableau
12 21 (0.89%) TIBCO
13 20 (0.85%) Databricks
14 18 (0.76%) Rakuten
15 17 (0.72%) Citrix
16 15 (0.64%) Facebook
16 15 (0.64%) PagerDuty