The following table provides summary statistics for permanent job vacancies advertised in the City of 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 3 months to 26 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Open Source
London / City of London
Rank 77 81 113
Rank change year-on-year +4 +32  
Permanent jobs citing Open Source 170 243 248
As % of all permanent IT jobs advertised in the City of London 3.40% 3.42% 2.42%
As % of the Processes & Methodologies category 3.75% 3.79% 2.76%
Number of salaries quoted 151 221 222
Median salary £70,000 £60,000 £57,500
Median salary % change year-on-year +16.66% +4.34%  
90% offered a salary of more than £42,283 £45,000 £37,700
10% offered a salary of more than £87,500 £85,000 £72,400
UK excluding London median salary £45,000 £45,000 £45,000

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

Process & Methodology Skills
City of London
Permanent job vacancies with a requirement for process and methodology skills 4529 6410 8998
As % of all permanent IT job vacancies advertised in the City of London 90.47% 90.32% 87.76%
Number of salaries quoted 4137 5709 7578
Median salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.16% +4.34%  
90% offered a salary of more than £41,500 £42,500 £37,500
10% offered a salary of more than £87,500 £82,500 £85,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

Open Source
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Open Source as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Open Source in the City of London

Open Source
Salary Trend in the City of London

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

Salary trend for Open Source in the City of London

Open Source
Salary Histogram in the City of London

The salary distribution of IT jobs citing Open Source in the City of London over the 3 months to 26 March 2017.

Salary histogram for Open Source in the City of London

Open Source
Top 30 Related IT Skills in the City of London

For the 6 months to 26 March 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 City of London region with a requirement for Open Source.

1 111 (38.01%) Java
2 107 (36.64%) Agile Software Development
3 104 (35.62%) Finance
4 98 (33.56%) Linux
5 87 (29.79%) Python
6 75 (25.68%) JavaScript
7 66 (22.60%) SQL
8 63 (21.58%) NoSQL
9 58 (19.86%) Scrum
9 58 (19.86%) Continuous Integration
10 50 (17.12%) Amazon AWS
10 50 (17.12%) C#
11 49 (16.78%) Banking
11 49 (16.78%) DevOps
12 48 (16.44%) TDD
13 47 (16.10%) Jenkins
14 44 (15.07%) Puppet
15 42 (14.38%) SQL Server
16 41 (14.04%) .NET
16 41 (14.04%) Unix
16 41 (14.04%) Git (software)
17 38 (13.01%) Computer Science
18 36 (12.33%) Microservices
19 35 (11.99%) HTML
20 34 (11.64%) REST
21 33 (11.30%) Big Data
21 33 (11.30%) Apache Spark
21 33 (11.30%) Docker
22 31 (10.62%) Algorithms
22 31 (10.62%) C++

Open Source
Top Related IT Skills in the City of 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 33 (11.30%) Apache Spark
2 27 (9.25%) Apache
3 20 (6.85%) OpenStack
4 19 (6.51%) Elasticsearch
5 10 (3.42%) Tomcat
6 9 (3.08%) JBoss
7 7 (2.40%) CMS
8 5 (1.71%) Confluence
8 5 (1.71%) nginx
8 5 (1.71%) WebSphere
9 4 (1.37%) Alfresco
9 4 (1.37%) Apache Pig
9 4 (1.37%) WebLogic
9 4 (1.37%) WebSphere Application Server
10 3 (1.03%) Apache Solr
10 3 (1.03%) Drupal
10 3 (1.03%) IIS
11 1 (0.34%) Cloud Foundry
11 1 (0.34%) Oracle SOA Suite
Applications
1 8 (2.74%) MS Excel
2 2 (0.68%) Gephi
Business Applications
1 1 (0.34%) Markit EDM
1 1 (0.34%) SAP Oil and Gas
Cloud Services
1 50 (17.12%) Amazon AWS
2 18 (6.16%) GitHub
3 16 (5.48%) Microsoft Azure
4 13 (4.45%) SaaS
5 11 (3.77%) Amazon EC2
6 10 (3.42%) Amazon S3
7 8 (2.74%) Cloud Computing
8 5 (1.71%) PaaS
9 4 (1.37%) Datadog
9 4 (1.37%) OpenShift
10 3 (1.03%) Amazon ELB
10 3 (1.03%) Bluemix
10 3 (1.03%) Heroku
10 3 (1.03%) IBM Cloud
11 2 (0.68%) Google Cloud Platform
11 2 (0.68%) Google Play
11 2 (0.68%) IaaS
11 2 (0.68%) Office 365
12 1 (0.34%) AWS Elastic Beanstalk
12 1 (0.34%) iTunes
Communications & Networking
1 19 (6.51%) HTTP
2 13 (4.45%) DNS
3 11 (3.77%) Firewall
3 11 (3.77%) Internet
3 11 (3.77%) TCP/IP
4 9 (3.08%) AMQP
5 7 (2.40%) Wireless
5 7 (2.40%) Wireshark
6 6 (2.05%) LAN
6 6 (2.05%) WAN
7 4 (1.37%) Intrusion Detection
7 4 (1.37%) Network Security
7 4 (1.37%) SAN
8 3 (1.03%) BGP
8 3 (1.03%) DHCP
8 3 (1.03%) LDAP
8 3 (1.03%) MPLS
8 3 (1.03%) OSPF
8 3 (1.03%) Wireless Security
9 2 (0.68%) Ethernet
Database & Business Intelligence
1 63 (21.58%) NoSQL
2 42 (14.38%) SQL Server
3 33 (11.30%) Big Data
4 31 (10.62%) Hadoop
5 28 (9.59%) MySQL
6 19 (6.51%) Apache Cassandra
6 19 (6.51%) MongoDB
7 16 (5.48%) Relational Database
8 14 (4.79%) Apache Hive
8 14 (4.79%) SQL Server Integration Services
9 11 (3.77%) Couchbase
10 10 (3.42%) Data Warehouse
11 7 (2.40%) RDBMS
11 7 (2.40%) SQL Server Reporting Services
12 6 (2.05%) SQL Server 2008
13 5 (1.71%) PostgreSQL
13 5 (1.71%) Redis
14 3 (1.03%) Data Mining
14 3 (1.03%) InfluxDB
14 3 (1.03%) Sqoop
Development Applications
1 47 (16.10%) Jenkins
2 41 (14.04%) Git (software)
3 25 (8.56%) Maven
4 10 (3.42%) NUnit
4 10 (3.42%) SpecFlow
4 10 (3.42%) TeamCity
5 9 (3.08%) Selenium
5 9 (3.08%) Visual Studio
6 6 (2.05%) Artifactory
6 6 (2.05%) Cucumber
6 6 (2.05%) JIRA
6 6 (2.05%) Subversion
7 5 (1.71%) Appium
7 5 (1.71%) Gradle
7 5 (1.71%) Travis CI
8 4 (1.37%) Burp Suite
8 4 (1.37%) JUnit
9 3 (1.03%) Ant
9 3 (1.03%) Eclipse
9 3 (1.03%) FishEye
General
1 104 (35.62%) Finance
2 49 (16.78%) Banking
3 13 (4.45%) Marketing
4 8 (2.74%) Front Office
4 8 (2.74%) Retail
5 6 (2.05%) Financial Institution
5 6 (2.05%) Telecoms
6 5 (1.71%) Investment Banking
7 4 (1.37%) Games
8 3 (1.03%) Aerospace
8 3 (1.03%) Legal
9 2 (0.68%) Electronics
10 1 (0.34%) Advertising
10 1 (0.34%) Billing
10 1 (0.34%) Manufacturing
10 1 (0.34%) Publishing
Job Titles
1 123 (42.12%) Developer
2 34 (11.64%) Java Developer
3 30 (10.27%) Architect
4 29 (9.93%) Senior Developer
5 21 (7.19%) C# Developer
5 21 (7.19%) DevOps Engineer
6 18 (6.16%) JavaScript Developer
6 18 (6.16%) Linux Engineer
7 17 (5.82%) Android Developer
7 17 (5.82%) Senior Java Developer
8 15 (5.14%) Junior
9 14 (4.79%) Data Scientist
10 13 (4.45%) Technical Architect
11 12 (4.11%) C++ Developer
11 12 (4.11%) Software Engineer
12 11 (3.77%) .NET Developer
12 11 (3.77%) C# .NET Developer
13 10 (3.42%) Junior Developer
13 10 (3.42%) Software Developer
14 9 (3.08%) Analyst
Libraries, Frameworks & Software Standards
1 41 (14.04%) .NET
2 35 (11.99%) HTML
3 34 (11.64%) REST
4 31 (10.62%) Web Services
5 29 (9.93%) Node.js
6 26 (8.90%) AngularJS
6 26 (8.90%) CSS
7 24 (8.22%) SOAP
8 22 (7.53%) JSON
9 20 (6.85%) XML
10 16 (5.48%) JMS
10 16 (5.48%) RESTful
11 15 (5.14%) ASP.NET
11 15 (5.14%) Spring
12 14 (4.79%) LAMP
13 12 (4.11%) Android SDK
13 12 (4.11%) Kafka
14 11 (3.77%) iOS SDK
14 11 (3.77%) RxJava
15 10 (3.42%) Symfony
Miscellaneous
1 38 (13.01%) Computer Science
2 31 (10.62%) Algorithms
3 26 (8.90%) User Experience
4 21 (7.19%) Analytical Skills
5 18 (6.16%) Fintech
6 12 (4.11%) Data Structures
7 10 (3.42%) Social Media
8 9 (3.08%) Blog
8 9 (3.08%) Public Cloud
9 7 (2.40%) Clustering
9 7 (2.40%) Enterprise Software
10 6 (2.05%) Hedge funds
10 6 (2.05%) Mobile App
10 6 (2.05%) Photography
11 5 (1.71%) Client/Server
11 5 (1.71%) Data Centre
11 5 (1.71%) Fixed Income
11 5 (1.71%) Management Information System
12 4 (1.37%) Credit Risk
12 4 (1.37%) Linked Data
Operating Systems
1 98 (33.56%) Linux
2 41 (14.04%) Unix
3 23 (7.88%) Android
4 21 (7.19%) Red Hat Enterprise Linux
4 21 (7.19%) Windows
5 13 (4.45%) Apple iOS
6 10 (3.42%) CentOS
7 6 (2.05%) Ubuntu
7 6 (2.05%) Windows Server
8 4 (1.37%) Debian
9 2 (0.68%) AIX
9 2 (0.68%) Solaris
9 2 (0.68%) VMS
9 2 (0.68%) Windows Server 2008
9 2 (0.68%) Windows Server 2012
10 1 (0.34%) Fedora
10 1 (0.34%) Mac OS X
Processes & Methodologies
1 107 (36.64%) Agile Software Development
2 58 (19.86%) Continuous Integration
2 58 (19.86%) Scrum
3 49 (16.78%) DevOps
4 48 (16.44%) TDD
5 36 (12.33%) Microservices
6 30 (10.27%) Analytics
7 27 (9.25%) Kanban
8 26 (8.90%) SOA
8 26 (8.90%) Software Engineering
9 21 (7.19%) MVC
9 21 (7.19%) OO
10 20 (6.85%) Android Development
11 19 (6.51%) ETL
11 19 (6.51%) Machine Learning
12 18 (6.16%) BDD
12 18 (6.16%) E-Commerce
13 17 (5.82%) Configuration Management
13 17 (5.82%) Web Development
14 16 (5.48%) Statistics
Programming Languages
1 111 (38.01%) Java
2 87 (29.79%) Python
3 75 (25.68%) JavaScript
4 66 (22.60%) SQL
5 50 (17.12%) C#
6 31 (10.62%) C++
7 23 (7.88%) Ruby
8 20 (6.85%) Bash Shell
8 20 (6.85%) PHP
9 17 (5.82%) Perl
9 17 (5.82%) Scala
10 16 (5.48%) C
10 16 (5.48%) Go
11 10 (3.42%) T-SQL
11 10 (3.42%) TypeScript
12 9 (3.08%) R
12 9 (3.08%) Shell Script
13 6 (2.05%) Kotlin
14 5 (1.71%) Erlang
14 5 (1.71%) PowerShell
Qualifications
1 28 (9.59%) Degree
2 10 (3.42%) RHCA
2 10 (3.42%) RHCE
2 10 (3.42%) Security Cleared
3 9 (3.08%) PhD
4 7 (2.40%) Cisco Certification
5 4 (1.37%) Microsoft Certification
6 3 (1.03%) CCNA
6 3 (1.03%) CCNP
6 3 (1.03%) CISA
6 3 (1.03%) CISM
6 3 (1.03%) CISSP
6 3 (1.03%) GIAC
6 3 (1.03%) ISTQB
6 3 (1.03%) SANS
6 3 (1.03%) SC Cleared
7 2 (0.68%) ISTQB Advanced Certification
8 1 (0.34%) AWS Certification
8 1 (0.34%) DV Cleared
8 1 (0.34%) GPEN
Quality Assurance & Compliance
1 10 (3.42%) QA
2 7 (2.40%) Sarbanes-Oxley
3 4 (1.37%) MiFID
3 4 (1.37%) SDET
4 3 (1.03%) WCAG
5 2 (0.68%) SLA
6 1 (0.34%) GCP
System Software
1 33 (11.30%) Docker
2 8 (2.74%) VMware Infrastructure
3 6 (2.05%) Virtual Machines
4 4 (1.37%) Microsoft Virtual Server
4 4 (1.37%) Virtual Servers
5 3 (1.03%) Apache Flume
5 3 (1.03%) HDFS
5 3 (1.03%) KVM
5 3 (1.03%) NFS
6 2 (0.68%) Hyper-V
6 2 (0.68%) Varnish
6 2 (0.68%) vSphere
7 1 (0.34%) Active Directory
7 1 (0.34%) Apache ZooKeeper
7 1 (0.34%) Firmware
7 1 (0.34%) VMware ESXi
7 1 (0.34%) XenServer
Systems Management
1 44 (15.07%) Puppet
2 20 (6.85%) Ansible
3 13 (4.45%) Kubernetes
3 13 (4.45%) Opscode Chef
4 7 (2.40%) MOM
5 5 (1.71%) Mesos
6 4 (1.37%) Nagios
6 4 (1.37%) Terraform
7 3 (1.03%) Grafana
7 3 (1.03%) Graphite
7 3 (1.03%) logstash
7 3 (1.03%) Nessus
7 3 (1.03%) Salt
8 2 (0.68%) Cacti
8 2 (0.68%) HAProxy
8 2 (0.68%) Marathon
8 2 (0.68%) Munin
8 2 (0.68%) SCOM
9 1 (0.34%) Kibana
9 1 (0.34%) Red Hat Satellite
Vendors
1 30 (10.27%) Microsoft
2 24 (8.22%) Oracle
3 18 (6.16%) Red Hat
4 15 (5.14%) Google
5 11 (3.77%) New Relic
6 9 (3.08%) VMware
7 8 (2.74%) Apigee
8 6 (2.05%) Cisco
8 6 (2.05%) SAP
9 5 (1.71%) Atlassian
9 5 (1.71%) SaltStack
9 5 (1.71%) Splunk
9 5 (1.71%) Zend
10 4 (1.37%) CheckPoint
10 4 (1.37%) FireEye
10 4 (1.37%) Palo Alto
10 4 (1.37%) Tableau
10 4 (1.37%) Varonis
10 4 (1.37%) Vertica
11 3 (1.03%) Salesforce.com
City, London
Energon People
Salary: £45000 - £65000 per annum + bonus + benefits
Posted: 2 days ago
City, London
Intelletec
Salary: From £80,000 to £100,000 per annum
Posted: 2 days ago
City, London
Talent International
Salary: £35000 - £50000 per annum
Posted: 2 days ago
City, London
Experis Ltd
Posted: 3 days ago
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: Yesterday
City, London
ANSON MCCADE
Salary: £50,000 - £80,000 + extensive benefits package
Posted: 6 days ago
City, London
TEKsystems
Salary: £80000 - £95000 per annum + benefits + bonus
Posted: 2 days ago
City, London
Intelletec
Salary: From £80,000 to £100,000 per annum
Posted: 5 days ago
City, London
Exclusive Recruitment
Salary: From £25,000 to £30,000 per annum £25,000 - £30,000
Posted: 6 days ago
City, London
Harrington Starr
Salary: £60000 - £80000 per annum
Posted: 5 days ago
City, London
Darwin Recruitment
Salary: £55000 - £70000 per annum
Posted: 4 days ago
City, London
Testing Circle Ltd
Salary: £0.00 per annum
Posted: 4 days ago
City, London
Oliver Bernard
Salary: £35000 - £45000 per annum + Excellent benefits
Posted: 4 days ago
City, London
The Change Partners Recruitment
Salary: From £65,000 to £70,000 per annum
Posted: 4 days ago
City, London
Linux Recruit
Salary: £60000 - £70000 per annum + benefits
Posted: 6 days ago
City, London
Oliver Bernard
Salary: £30000 - £50000 per annum + 25 days holiday, Training, Bonus
Posted: 6 days ago
City, London
Linux Recruit
Salary: £80000.00 - £90000.00 per annum
Posted: 2 days ago
City, London
Lebara
Salary: benefits package
Posted: 3 days ago
City, London
Evolution Recruitment Solutions
Salary: Excellent Salary + Benefits
Posted: 3 days ago
City, London
Client Server
Salary: £120k to £150k + bonus + benefits
Posted: 4 days ago
City, London
Parallel Consulting
Salary: £55000 - £65000 per annum + excellent benefits
Posted: 6 days ago
City, London
Premier IT
Salary: £45000.00 - £55000.00 per annum
Posted: 4 days ago
City, London
I3
Salary: £50000 - £75000 per annum + bonus + bens
Posted: 6 days ago
City, London
TEKsystems
Salary: £40000 - £70000 per annum + benefits + bonus
Posted: 3 days ago
City, London
Harrington Starr
Salary: £55000 - £65000 per annum
Posted: 5 days ago
City, London
Quant Capital
Salary: Up to £50,000 per annum + bonus and benefits
Posted: 2 days ago
City, London
Code Enigma Limited
Salary: From £30,000 to £40,000 per annum + £1,000 personal development budget
Posted: 13 days ago
City, London
CGI
Salary: £50000 - £60000 per annum + benefits
Posted: 11 days ago
City, London
CGI
Salary: £45000 - £60000 per annum + benefits
Posted: 11 days ago
City, London
Digital Gurus
Salary: £65000 - £85000 Per Annum
Posted: 17 days ago