Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Croydon 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 22 November 2017 with a comparison to the same period in the previous 2 years.

Open Source
South London > Croydon
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 33 39 62
Rank change year-on-year +6 +23 -7
Permanent jobs citing Open Source 22 23 1
As % of all permanent IT jobs advertised in Croydon 6.21% 5.25% 0.26%
As % of the Processes & Methodologies category 7.21% 6.46% 0.30%
Number of salaries quoted 14 18 1
Croydon median annual salary £66,250 £80,000 £43,000
Median salary % change year-on-year -17.19% +86.05% +43.33%
10th Percentile £41,750 £36,000 £41,500
90th Percentile £77,500 £80,000 £44,500
South London median annual salary £47,500 £80,000 £45,000
% change year-on-year -40.63% +77.78% -16.67%

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 Croydon with a requirement for process or methodology skills.

All Process and Methodology Skills
Croydon
Permanent vacancies with a requirement for process or methodology skills 305 356 333
As % of all permanent IT jobs advertised in Croydon 86.16% 81.28% 85.17%
Number of salaries quoted 238 320 306
Croydon median annual salary £52,500 £50,000 £45,000
Median salary % change year-on-year +5.00% +11.11% +5.88%
10th Percentile £26,175 £26,200 £24,000
90th Percentile £77,250 £69,000 £60,000
South London median annual salary £47,500 £47,750 £45,000
% change year-on-year -0.52% +6.11% -

Open Source
Job Vacancy Trend in Croydon

Job postings citing Open Source as a percentage of all IT jobs advertised in Croydon.

Job vacancy trend for Open Source in Croydon

Open Source
Salary Trend in Croydon

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

Salary trend for Open Source in Croydon

Open Source
Salary Histogram in Croydon

The salary distribution of IT jobs citing Open Source in Croydon over the 6 months to 22 November 2017.

Salary histogram for Open Source in Croydon

For the 6 months to 22 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 Croydon region with a requirement for Open Source.

1 11 (50.00%) Agile Software Development
2 9 (40.91%) QA
2 9 (40.91%) Continuous Integration
2 9 (40.91%) Test Automation
2 9 (40.91%) Microsoft Azure
2 9 (40.91%) BDD
2 9 (40.91%) Test Strategy
3 8 (36.36%) Jenkins
3 8 (36.36%) Web Development
4 7 (31.82%) Integration Testing
4 7 (31.82%) C#
4 7 (31.82%) Java
4 7 (31.82%) JavaScript
4 7 (31.82%) .NET
4 7 (31.82%) ASP.NET
4 7 (31.82%) CRM
4 7 (31.82%) Web Services
4 7 (31.82%) AngularJS
4 7 (31.82%) Node.js
4 7 (31.82%) Angular 2
5 6 (27.27%) DevOps
5 6 (27.27%) REST
5 6 (27.27%) Hudson
5 6 (27.27%) Apache CXF
5 6 (27.27%) NUnit
5 6 (27.27%) SOAP
5 6 (27.27%) JUnit
5 6 (27.27%) Selenium
5 6 (27.27%) FitNesse
6 5 (22.73%) Python

Open Source
Co-occurring IT Skills in Croydon 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 1 (4.55%) Elasticsearch
1 1 (4.55%) nginx
Cloud Services
1 9 (40.91%) Microsoft Azure
2 5 (22.73%) Amazon AWS
2 5 (22.73%) GitHub
3 2 (9.09%) AWS CloudFormation
3 2 (9.09%) SaaS
Communications & Networking
1 2 (9.09%) Firewall
1 2 (9.09%) VPN
Database & Business Intelligence
1 2 (9.09%) Big Data
2 1 (4.55%) Hadoop
2 1 (4.55%) PostgreSQL
Development Applications
1 8 (36.36%) Jenkins
2 6 (27.27%) FitNesse
2 6 (27.27%) Hudson
2 6 (27.27%) JUnit
2 6 (27.27%) NUnit
2 6 (27.27%) Selenium
3 5 (22.73%) Git (software)
4 4 (18.18%) Atlassian Bamboo
4 4 (18.18%) Cucumber
5 2 (9.09%) IntelliJ
5 2 (9.09%) SonarQube
6 1 (4.55%) Artifactory
6 1 (4.55%) GitLab
General
1 3 (13.64%) Marketing
2 1 (4.55%) Advertising
2 1 (4.55%) Electronics
2 1 (4.55%) Finance
2 1 (4.55%) Manufacturing
2 1 (4.55%) Telecoms
Job Titles
1 7 (31.82%) Chief Technology Officer
2 4 (18.18%) Platform Engineer
3 3 (13.64%) Developer
3 3 (13.64%) DevOps Engineer
3 3 (13.64%) Java Developer
3 3 (13.64%) Tester
4 2 (9.09%) Analyst
4 2 (9.09%) Automation Tester
4 2 (9.09%) Developer in Test
4 2 (9.09%) Lead Test Analyst
4 2 (9.09%) Senior Automation Tester
4 2 (9.09%) Senior Test Engineer
4 2 (9.09%) Senior Tester
4 2 (9.09%) Test Analyst
4 2 (9.09%) Test Engineer
5 1 (4.55%) Lead Tester
5 1 (4.55%) QA Leader
5 1 (4.55%) QA Tester
Libraries, Frameworks & Software Standards
1 7 (31.82%) .NET
1 7 (31.82%) Angular 2
1 7 (31.82%) AngularJS
1 7 (31.82%) ASP.NET
1 7 (31.82%) Node.js
1 7 (31.82%) Web Services
2 6 (27.27%) Apache CXF
2 6 (27.27%) REST
2 6 (27.27%) SOAP
3 1 (4.55%) Elastic Stack
3 1 (4.55%) Hibernate
3 1 (4.55%) Kafka
3 1 (4.55%) Spring
Miscellaneous
1 5 (22.73%) User Experience
2 2 (9.09%) Analytical Skills
2 2 (9.09%) Distributed Denial-of-Service
2 2 (9.09%) Linux Command Line
2 2 (9.09%) Mobile App
Operating Systems
1 3 (13.64%) Linux
2 1 (4.55%) CoreOS
Processes & Methodologies
1 11 (50.00%) Agile Software Development
2 9 (40.91%) BDD
2 9 (40.91%) Continuous Integration
2 9 (40.91%) Test Automation
2 9 (40.91%) Test Strategy
3 8 (36.36%) Web Development
4 7 (31.82%) CRM
4 7 (31.82%) Integration Testing
5 6 (27.27%) DevOps
6 5 (22.73%) Acceptance Criteria
6 5 (22.73%) Configuration Management
6 5 (22.73%) Exploratory Testing
6 5 (22.73%) User Stories
7 4 (18.18%) Build Automation
7 4 (18.18%) Refactoring
7 4 (18.18%) TDD
8 3 (13.64%) Digital Marketing
8 3 (13.64%) Requirements Analysis
9 2 (9.09%) High Availability
9 2 (9.09%) SIEM
Programming Languages
1 7 (31.82%) C#
1 7 (31.82%) Java
1 7 (31.82%) JavaScript
2 5 (22.73%) Python
3 4 (18.18%) Go
3 4 (18.18%) Ruby
4 1 (4.55%) Bash Shell
4 1 (4.55%) PHP
4 1 (4.55%) Scala
Qualifications
1 3 (13.64%) SC Cleared
1 3 (13.64%) Security Cleared
Quality Assurance & Compliance
1 9 (40.91%) QA
System Software
1 3 (13.64%) Docker
2 2 (9.09%) etcd
2 2 (9.09%) flannel
3 1 (4.55%) Apache ZooKeeper
Systems Management
1 5 (22.73%) Ansible
1 5 (22.73%) Puppet
2 4 (18.18%) Opscode Chef
2 4 (18.18%) Salt
3 3 (13.64%) Kubernetes
4 2 (9.09%) Consul
4 2 (9.09%) Sysdig
4 2 (9.09%) Terraform
5 1 (4.55%) HAProxy
5 1 (4.55%) Host Intrusion Detection System
5 1 (4.55%) Kibana
5 1 (4.55%) logstash
5 1 (4.55%) Network Intrusion Detection System
5 1 (4.55%) Prometheus
Vendors
1 1 (4.55%) Hortonworks
1 1 (4.55%) SAP